Alert archive / Alaska / Tsunami Warnings in 2021

Tsunami Warning 14, NWS AAQ

July 28, 2021

NWS AAQ issued this tsunami warning at Jul 28, 2021, 10:21 PM AKDT. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 28, 2021, 10:21 PM AKDT (06:21 UTC)
Expired: Jul 29, 2021, 12:31 AM AKDT
In force: 2 hr
Issued by: NWS AAQ

The text

As transmitted.

089 
WEPA41 PAAQ 290621
TSUWCA

BULLETIN
Tsunami Message Number 1
NWS National Tsunami Warning Center Palmer AK
1021 PM AKDT Wed Jul 28 2021

AKZ125-121-171-181-185-290721-
/O.NEW.PAAQ.TS.W.0014.210729T0621Z-000000T0000Z/
Coastal areas between and including Hinchinbrook Entrance,
Alaska (90 miles E of Seward) to Samalga Pass, Alaska (30
miles SW of Nikolski)
1021 PM AKDT Wed Jul 28 2021

...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE
   COASTAL AREAS OF ALASKA FROM HINCHINBROOK ENTRANCE ALASKA,
   WHICH IS LOCATED 90 MILES E OF SEWARD, TO SAMALGA PASS
   ALASKA, WHICH IS LOCATED 30 MILES SW OF NIKOLSKI,...

If you are located in this coastal area, move inland 
to higher ground.

Tsunami warnings mean that a tsunami with significant
inundation is possible or is already occurring.  Tsunamis are
a series of waves dangerous many hours after initial arrival
time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.1 occurred 60 miles southeast of
 Chignik Alaska.

Estimated tsunami start times for selected sites are;

Sand Point         Alaska             1055 PM. AKDT. July 28.
Unalaska           Alaska             1150 PM. AKDT. July 28.
Kodiak             Alaska             1155 PM. AKDT. July 28.
Cold Bay           Alaska             1210 AM. AKDT. July 29.
Seward             Alaska             1220 AM. AKDT. July 29.
Homer              Alaska              100 AM. AKDT. July 29.

The tsunami warning will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

AKZ023-024-026-018>022-025-017-131-135-290721-
/O.NEW.PAAQ.TS.Y.0014.210729T0621Z-000000T0000Z/
Coastal areas between and including Cape Decision, Alaska
(85 miles SE of Sitka) to Hinchinbrook Entrance, Alaska (90
miles E of Seward)
1021 PM AKDT Wed Jul 28 2021

...A TSUNAMI ADVISORY IS NOW IN EFFECT WHICH INCLUDES THE
   COASTAL AREAS OF ALASKA FROM CAPE DECISION ALASKA, WHICH IS
   LOCATED 85 MILES SE OF SITKA, TO HINCHINBROOK ENTRANCE
   ALASKA, WHICH IS LOCATED 90 MILES E OF SEWARD,...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.  Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.1 occurred 60 miles southeast of
 Chignik Alaska.

Estimated tsunami start times for selected sites are;

Elfin Cove         Alaska             1225 AM. AKDT. July 29.
Sitka              Alaska             1230 AM. AKDT. July 29.
Yakutat            Alaska             1230 AM. AKDT. July 29.
Valdez             Alaska             1240 AM. AKDT. July 29.
Cordova            Alaska             1250 AM. AKDT. July 29.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

AKZ187-195-290721-
/O.NEW.PAAQ.TS.Y.0014.210729T0621Z-000000T0000Z/
Coastal areas between and including Samalga Pass, Alaska
(30 miles SW of Nikolski) to Amchitka Pass, Alaska (125
miles W of Adak)
1021 PM AKDT Wed Jul 28 2021

...A TSUNAMI ADVISORY IS NOW IN EFFECT WHICH INCLUDES THE
   COASTAL AREAS OF ALASKA FROM SAMALGA PASS ALASKA, WHICH IS
   LOCATED 30 MILES SW OF NIKOLSKI, TO AMCHITKA PASS ALASKA,
   WHICH IS LOCATED 125 MILES W OF ADAK,...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.  Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.1 occurred 60 miles southeast of
 Chignik Alaska.

Estimated tsunami start times for selected sites are;

Adak               Alaska             1215 AM. AKDT. July 29.
Saint Paul         Alaska              110 AM. AKDT. July 29.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

4 follow-up statements

987 
WEPA41 PAAQ 290701
TSUWCA

BULLETIN
Tsunami Message Number 2
NWS National Tsunami Warning Center Palmer AK
1101 PM AKDT Wed Jul 28 2021

AKZ125-121-171-181-185-290801-
/O.CON.PAAQ.TS.W.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Hinchinbrook Entrance,
Alaska (90 miles E of Seward) to Samalga Pass, Alaska (30
miles SW of Nikolski)
1101 PM AKDT Wed Jul 28 2021

...THE TSUNAMI WARNING REMAINS IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM HINCHINBROOK ENTRANCE ALASKA, WHICH IS
   LOCATED 90 MILES E OF SEWARD, TO SAMALGA PASS ALASKA, WHICH
   IS LOCATED 30 MILES SW OF NIKOLSKI,...

If you are located in this coastal area, move inland 
to higher ground.

Tsunami warnings mean that a tsunami with significant
inundation is possible or is already occurring.  Tsunamis are
a series of waves dangerous many hours after initial arrival
time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
 Chignik Alaska.

Estimated tsunami start times for selected sites are;

Sand Point         Alaska             1055 PM. AKDT. July 28.
Unalaska           Alaska             1150 PM. AKDT. July 28.
Cold Bay           Alaska             1155 PM. AKDT. July 28.
Kodiak             Alaska             1155 PM. AKDT. July 28.
Seward             Alaska             1220 AM. AKDT. July 29.
Homer              Alaska              115 AM. AKDT. July 29.

The tsunami warning will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

AKZ023-024-026-018>022-025-017-131-135-290801-
/O.CON.PAAQ.TS.Y.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Cape Decision, Alaska
(85 miles SE of Sitka) to Hinchinbrook Entrance, Alaska (90
miles E of Seward)
1101 PM AKDT Wed Jul 28 2021

...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM CAPE DECISION ALASKA, WHICH IS LOCATED
   85 MILES SE OF SITKA, TO HINCHINBROOK ENTRANCE ALASKA,
   WHICH IS LOCATED 90 MILES E OF SEWARD,...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.  Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
 Chignik Alaska.

Estimated tsunami start times for selected sites are;

Elfin Cove         Alaska             1225 AM. AKDT. July 29.
Sitka              Alaska             1230 AM. AKDT. July 29.
Yakutat            Alaska             1230 AM. AKDT. July 29.
Valdez             Alaska             1240 AM. AKDT. July 29.
Cordova            Alaska             1250 AM. AKDT. July 29.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

AKZ187-195-290801-
/O.CON.PAAQ.TS.Y.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Samalga Pass, Alaska
(30 miles SW of Nikolski) to Amchitka Pass, Alaska (125
miles W of Adak)
1101 PM AKDT Wed Jul 28 2021

...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM SAMALGA PASS ALASKA, WHICH IS LOCATED
   30 MILES SW OF NIKOLSKI, TO AMCHITKA PASS ALASKA, WHICH IS
   LOCATED 125 MILES W OF ADAK,...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.  Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
 Chignik Alaska.

Estimated tsunami start times for selected sites are;

Adak               Alaska             1215 AM. AKDT. July 29.
Saint Paul         Alaska              110 AM. AKDT. July 29.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

310 
WEPA41 PAAQ 290731
TSUWCA

BULLETIN
Tsunami Message Number 3
NWS National Tsunami Warning Center Palmer AK
1131 PM AKDT Wed Jul 28 2021

AKZ125-121-171-181-185-290831-
/O.CON.PAAQ.TS.W.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Hinchinbrook Entrance,
Alaska (90 miles E of Seward) to Samalga Pass, Alaska (30
miles SW of Nikolski)
1131 PM AKDT Wed Jul 28 2021

...THE TSUNAMI WARNING REMAINS IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM HINCHINBROOK ENTRANCE ALASKA, WHICH IS
   LOCATED 90 MILES E OF SEWARD, TO SAMALGA PASS ALASKA, WHICH
   IS LOCATED 30 MILES SW OF NIKOLSKI,...

If you are located in this coastal area, move inland 
to higher ground.

Tsunami warnings mean that a tsunami with significant
inundation is possible or is already occurring.  Tsunamis are
a series of waves dangerous many hours after initial arrival
time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
 Chignik Alaska.

Estimated tsunami start times for selected sites are;

Sand Point         Alaska             1055 PM. AKDT. July 28.
Unalaska           Alaska             1150 PM. AKDT. July 28.
Cold Bay           Alaska             1155 PM. AKDT. July 28.
Kodiak             Alaska             1155 PM. AKDT. July 28.
Seward             Alaska             1220 AM. AKDT. July 29.
Homer              Alaska              115 AM. AKDT. July 29.

The tsunami warning will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

AKZ023-024-026-018>022-025-017-131-135-290831-
/O.CON.PAAQ.TS.Y.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Cape Decision, Alaska
(85 miles SE of Sitka) to Hinchinbrook Entrance, Alaska (90
miles E of Seward)
1131 PM AKDT Wed Jul 28 2021

...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM CAPE DECISION ALASKA, WHICH IS LOCATED
   85 MILES SE OF SITKA, TO HINCHINBROOK ENTRANCE ALASKA,
   WHICH IS LOCATED 90 MILES E OF SEWARD,...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.  Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
 Chignik Alaska.

Estimated tsunami start times for selected sites are;

Elfin Cove         Alaska             1225 AM. AKDT. July 29.
Sitka              Alaska             1230 AM. AKDT. July 29.
Yakutat            Alaska             1230 AM. AKDT. July 29.
Valdez             Alaska             1240 AM. AKDT. July 29.
Cordova            Alaska             1250 AM. AKDT. July 29.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

AKZ187-195-290831-
/O.CON.PAAQ.TS.Y.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Samalga Pass, Alaska
(30 miles SW of Nikolski) to Amchitka Pass, Alaska (125
miles W of Adak)
1131 PM AKDT Wed Jul 28 2021

...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM SAMALGA PASS ALASKA, WHICH IS LOCATED
   30 MILES SW OF NIKOLSKI, TO AMCHITKA PASS ALASKA, WHICH IS
   LOCATED 125 MILES W OF ADAK,...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.  Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
 Chignik Alaska.

Estimated tsunami start times for selected sites are;

Adak               Alaska             1215 AM. AKDT. July 29.
Saint Paul         Alaska              110 AM. AKDT. July 29.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

699 
WEPA41 PAAQ 290800
TSUWCA

BULLETIN
Tsunami Message Number 4
NWS National Tsunami Warning Center Palmer AK
1200 AM AKDT Thu Jul 29 2021

AKZ125-121-171-181-185-290900-
/O.CON.PAAQ.TS.W.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Hinchinbrook Entrance,
Alaska (90 miles E of Seward) to Samalga Pass, Alaska (30
miles SW of Nikolski)
1200 AM AKDT Thu Jul 29 2021

...THE TSUNAMI WARNING REMAINS IN EFFECT FOR THE COASTAL
  AREAS OF ALASKA FROM HINCHINBROOK ENTRANCE ALASKA, WHICH IS
  LOCATED 90 MILES E OF SEWARD, TO SAMALGA PASS ALASKA, WHICH
  IS LOCATED 30 MILES SW OF NIKOLSKI,...

If you are located in this coastal area, move inland 
to higher ground.

Tsunami warnings mean that a tsunami with significant
inundation is possible or is already occurring.  Tsunamis are
a series of waves dangerous many hours after initial arrival
time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
Chignik Alaska.

Estimated tsunami start times for selected sites are;

Unalaska	   Alaska	      1150 PM. AKDT. July 28.
Cold Bay	   Alaska	      1155 PM. AKDT. July 28.
Kodiak		   Alaska	      1155 PM. AKDT. July 28.
Seward		   Alaska	      1220 AM. AKDT. July 29.
Homer		   Alaska	       115 AM. AKDT. July 29.

The tsunami warning will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

AKZ023-024-026-018>022-025-017-131-135-290900-
/O.CON.PAAQ.TS.Y.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Cape Decision, Alaska
(85 miles SE of Sitka) to Hinchinbrook Entrance, Alaska (90
miles E of Seward)
1200 AM AKDT Thu Jul 29 2021

...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL
  AREAS OF ALASKA FROM CAPE DECISION ALASKA, WHICH IS LOCATED
  85 MILES SE OF SITKA, TO HINCHINBROOK ENTRANCE ALASKA,
  WHICH IS LOCATED 90 MILES E OF SEWARD,...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.	Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
Chignik Alaska.

Estimated tsunami start times for selected sites are;

Elfin Cove	   Alaska	      1225 AM. AKDT. July 29.
Sitka		   Alaska	      1230 AM. AKDT. July 29.
Yakutat 	   Alaska	      1230 AM. AKDT. July 29.
Valdez		   Alaska	      1240 AM. AKDT. July 29.
Cordova 	   Alaska	      1250 AM. AKDT. July 29.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

AKZ187-195-290900-
/O.CON.PAAQ.TS.Y.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Samalga Pass, Alaska
(30 miles SW of Nikolski) to Amchitka Pass, Alaska (125
miles W of Adak)
1200 AM AKDT Thu Jul 29 2021

...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL
  AREAS OF ALASKA FROM SAMALGA PASS ALASKA, WHICH IS LOCATED
  30 MILES SW OF NIKOLSKI, TO AMCHITKA PASS ALASKA, WHICH IS
  LOCATED 125 MILES W OF ADAK,...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.	Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
Chignik Alaska.

Estimated tsunami start times for selected sites are;

Adak		   Alaska	      1215 AM. AKDT. July 29.
Saint Paul	   Alaska	       110 AM. AKDT. July 29.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

456 
WEPA41 PAAQ 290831
TSUWCA

BULLETIN
Tsunami Message Number 5
NWS National Tsunami Warning Center Palmer AK
1231 AM AKDT Thu Jul 29 2021

AKZ187-195-290931-
/O.CAN.PAAQ.TS.Y.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Samalga Pass, Alaska
(30 miles SW of Nikolski) to Amchitka Pass, Alaska (125
miles W of Adak)
1231 AM AKDT Thu Jul 29 2021

...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS
  OF ALASKA FROM SAMALGA PASS ALASKA, WHICH IS LOCATED 30
  MILES SW OF NIKOLSKI, TO AMCHITKA PASS ALASKA, WHICH IS
  LOCATED 125 MILES W OF ADAK,...

A Tsunami was generated by this event but does not pose a threat
to these areas.  Some areas may see small sea level changes.
The decision to re-occupy hazard zones must be made by local
authorities.

This will be the final U.S. National Tsunami Warning Center
message for this region.  Refer to the internet site
tsunami.gov for more information.

$$

AKZ125-121-171-181-185-290931-
/O.CAN.PAAQ.TS.W.0014.000000T0000Z-000000T0000Z/
/O.EXA.PAAQ.TS.Y.0014.000000T0000Z-000000T0000Z/
Coastal areas between and including Hinchinbrook Entrance,
Alaska (90 miles E of Seward) to Samalga Pass, Alaska (30
miles SW of Nikolski)
1231 AM AKDT Thu Jul 29 2021

...THE TSUNAMI ADVISORY IS MODIFIED TO INCLUDE THE COASTAL
  AREAS OF ALASKA FROM HINCHINBROOK ENTRANCE ALASKA, WHICH IS
  LOCATED 90 MILES E OF SEWARD, TO SAMALGA PASS ALASKA, WHICH
  IS LOCATED 30 MILES SW OF NIKOLSKI,...

If you are located in this coastal area, move off the 
beach and out of harbors and marinas.

Tsunami advisories mean that a tsunami capable of producing
strong currents or waves dangerous to persons in or very near
the water is expected or is already occurring.	Areas in the
advisory should not expect widespread inundation.  Tsunamis
are a series of waves dangerous many hours after initial
arrival time.  The first wave may not be the largest.

At 1016 PM Alaska Daylight Time on July 28 an earthquake with
preliminary magnitude 8.2 occurred 75 miles southeast of
Chignik Alaska.

Estimated tsunami start times for selected sites are;

Unalaska	   Alaska	      1150 PM. AKDT. July 28.
Cold Bay	   Alaska	      1155 PM. AKDT. July 28.
Kodiak		   Alaska	      1155 PM. AKDT. July 28.
Seward		   Alaska	      1220 AM. AKDT. July 29.
Homer		   Alaska	       115 AM. AKDT. July 29.

The tsunami advisory will remain in effect until further notice.
Refer to the internet site tsunami.gov for more information.

$$

The office that day

Everything else NWS AAQ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 28, 10:21 PM AKDT	Tsunami Advisory	AAQ		21 days

Nearby

Tsunami Warnings in Alaska, 2021 Every tsunami warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.