Alert archive / Alaska / Tsunami Warnings in 2020
Tsunami Warning 15, NWS AAQ
NWS AAQ issued this tsunami warning at Jul 21, 2020, 10:19 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 21, 2020, 10:19 PM AKDT (06:19 UTC)
- Expired
- Jul 22, 2020, 12:23 AM AKDT
- In force
- 2 hr
- Issued by
- NWS AAQ
The text
As transmitted.
903 WEPA41 PAAQ 220619 TSUWCA BULLETIN Tsunami Message Number 1 NWS National Tsunami Warning Center Palmer AK 1019 PM AKDT Tue Jul 21 2020 AKZ121-171-181-220719- /O.NEW.PAAQ.TS.W.0015.200722T0619Z-000000T0000Z/ Coastal areas between and including Kennedy Entrance, Alaska (40 miles SW of Homer) to Unimak Pass, Alaska (80 miles NE of Unalaska) 1019 PM AKDT Tue Jul 21 2020 ...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF ALASKA FROM KENNEDY ENTRANCE ALASKA, WHICH IS LOCATED 40 MILES SW OF HOMER, TO UNIMAK PASS ALASKA, WHICH IS LOCATED 80 MILES NE OF UNALASKA,... 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 1013 PM Alaska Daylight Time on July 21 an earthquake with preliminary magnitude 7.4 occurred 75 miles south of Chignik Alaska. Estimated tsunami start times for selected sites are; Sand Point Alaska 1115 PM. AKDT. July 21. Kodiak Alaska 1205 AM. AKDT. July 22. Cold Bay Alaska 1215 AM. AKDT. July 22. The tsunami warning will remain in effect until further notice. Refer to the internet site tsunami.gov for more information. $$
4 follow-up statements
125 WEPA41 PAAQ 220650 TSUWCA BULLETIN Tsunami Message Number 2 NWS National Tsunami Warning Center Palmer AK 1050 PM AKDT Tue Jul 21 2020 AKZ121-171-181-220750- /O.CON.PAAQ.TS.W.0015.000000T0000Z-000000T0000Z/ Coastal areas between and including Kennedy Entrance, Alaska (40 miles SW of Homer) to Unimak Pass, Alaska (80 miles NE of Unalaska) 1050 PM AKDT Tue Jul 21 2020 ...THE TSUNAMI WARNING REMAINS IN EFFECT FOR THE COASTAL AREAS OF ALASKA FROM KENNEDY ENTRANCE ALASKA, WHICH IS LOCATED 40 MILES SW OF HOMER, TO UNIMAK PASS ALASKA, WHICH IS LOCATED 80 MILES NE OF UNALASKA,... If you are located in this coastal area, move inland to higher ground. Tsunami warnings mean that a tsunami with significant inundation is possible or is already occurring. Tsunamis are a series of waves dangerous many hours after initial arrival time. The first wave may not be the largest. At 1013 PM Alaska Daylight Time on July 21 an earthquake with preliminary magnitude 7.8 occurred 75 miles south of Chignik Alaska. Estimated tsunami start times for selected sites are; Sand Point Alaska 1115 PM. AKDT. July 21. Kodiak Alaska 1205 AM. AKDT. July 22. Cold Bay Alaska 1215 AM. AKDT. July 22. The tsunami warning will remain in effect until further notice. Refer to the internet site tsunami.gov for more information. $$ AKZ185-220750- /O.EXA.PAAQ.TS.W.0015.000000T0000Z-000000T0000Z/ Coastal areas between and including Unimak Pass, Alaska (80 miles NE of Unalaska) to Samalga Pass, Alaska (30 miles SW of Nikolski) 1050 PM AKDT Tue Jul 21 2020 ...THE TSUNAMI WARNING IS MODIFIED TO INCLUDE THE COASTAL AREAS OF ALASKA FROM UNIMAK PASS ALASKA, WHICH IS LOCATED 80 MILES NE OF UNALASKA, 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 1013 PM Alaska Daylight Time on July 21 an earthquake with preliminary magnitude 7.8 occurred 75 miles south of Chignik Alaska. Estimated tsunami start times for selected sites are; Unalaska Alaska 1150 PM. AKDT. July 21. The tsunami warning will remain in effect until further notice. Refer to the internet site tsunami.gov for more information. $$ AKZ131-135-125-220750- /O.NEW.PAAQ.TS.Y.0015.200722T0650Z-000000T0000Z/ Coastal areas between and including Cape Suckling, Alaska (75 miles SE of Cordova) to Kennedy Entrance, Alaska (40 miles SW of Homer) 1050 PM AKDT Tue Jul 21 2020 ...A TSUNAMI ADVISORY IS NOW IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF ALASKA FROM CAPE SUCKLING ALASKA, WHICH IS LOCATED 75 MILES SE OF CORDOVA, TO KENNEDY ENTRANCE ALASKA, WHICH IS LOCATED 40 MILES SW OF HOMER,... If you are located in this coastal area, move off the beach and out of harbors and marinas. Tsunami advisories mean that a tsunami capable of producing strong currents or waves dangerous to persons in or very near the water is expected or is already occurring. Areas in the advisory should not expect widespread inundation. Tsunamis are a series of waves dangerous many hours after initial arrival time. The first wave may not be the largest. At 1013 PM Alaska Daylight Time on July 21 an earthquake with preliminary magnitude 7.8 occurred 75 miles south of Chignik Alaska. Estimated tsunami start times for selected sites are; Seward Alaska 1230 AM. AKDT. July 22. Valdez Alaska 1250 AM. AKDT. July 22. Cordova Alaska 100 AM. AKDT. July 22. Homer Alaska 125 AM. AKDT. July 22. The tsunami advisory will remain in effect until further notice. Refer to the internet site tsunami.gov for more information. $$ AKZ187-195-220750- /O.NEW.PAAQ.TS.Y.0015.200722T0650Z-000000T0000Z/ Coastal areas between and including Samalga Pass, Alaska (30 miles SW of Nikolski) to Amchitka Pass, Alaska (125 miles W of Adak) 1050 PM AKDT Tue Jul 21 2020 ...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 1013 PM Alaska Daylight Time on July 21 an earthquake with preliminary magnitude 7.8 occurred 75 miles south of Chignik Alaska. Estimated tsunami start times for selected sites are; Adak Alaska 1215 AM. AKDT. July 22. Saint Paul Alaska 115 AM. AKDT. July 22. The tsunami advisory will remain in effect until further notice. Refer to the internet site tsunami.gov for more information. $$
723 WEPA41 PAAQ 220719 TSUWCA BULLETIN Tsunami Message Number 3 NWS National Tsunami Warning Center Palmer AK 1119 PM AKDT Tue Jul 21 2020 AKZ121-171-181-185-220819- /O.CON.PAAQ.TS.W.0015.000000T0000Z-000000T0000Z/ Coastal areas between and including Kennedy Entrance, Alaska (40 miles SW of Homer) to Samalga Pass, Alaska (30 miles SW of Nikolski) 1119 PM AKDT Tue Jul 21 2020 ...THE TSUNAMI WARNING REMAINS IN EFFECT FOR THE COASTAL AREAS OF ALASKA FROM KENNEDY ENTRANCE ALASKA, WHICH IS LOCATED 40 MILES SW OF HOMER, TO SAMALGA PASS ALASKA, WHICH IS LOCATED 30 MILES SW OF NIKOLSKI,... If you are located in this coastal area, move inland to higher ground. Tsunami warnings mean that a tsunami with significant inundation is possible or is already occurring. Tsunamis are a series of waves dangerous many hours after initial arrival time. The first wave may not be the largest. At 1013 PM Alaska Daylight Time on July 21 an earthquake with preliminary magnitude 7.8 occurred 75 miles south of Chignik Alaska. Estimated tsunami start times for selected sites are; Sand Point Alaska 1115 PM. AKDT. July 21. Unalaska Alaska 1150 PM. AKDT. July 21. Kodiak Alaska 1205 AM. AKDT. July 22. Cold Bay Alaska 1215 AM. AKDT. July 22. The tsunami warning will remain in effect until further notice. Refer to the internet site tsunami.gov for more information. $$ AKZ131-135-125-220819- /O.CON.PAAQ.TS.Y.0015.000000T0000Z-000000T0000Z/ Coastal areas between and including Cape Suckling, Alaska (75 miles SE of Cordova) to Kennedy Entrance, Alaska (40 miles SW of Homer) 1119 PM AKDT Tue Jul 21 2020 ...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL AREAS OF ALASKA FROM CAPE SUCKLING ALASKA, WHICH IS LOCATED 75 MILES SE OF CORDOVA, TO KENNEDY ENTRANCE ALASKA, WHICH IS LOCATED 40 MILES SW OF HOMER,... 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 1013 PM Alaska Daylight Time on July 21 an earthquake with preliminary magnitude 7.8 occurred 75 miles south of Chignik Alaska. Estimated tsunami start times for selected sites are; Seward Alaska 1230 AM. AKDT. July 22. Valdez Alaska 1250 AM. AKDT. July 22. Cordova Alaska 100 AM. AKDT. July 22. Homer Alaska 125 AM. AKDT. July 22. The tsunami advisory will remain in effect until further notice. Refer to the internet site tsunami.gov for more information. $$ AKZ187-195-220819- /O.CON.PAAQ.TS.Y.0015.000000T0000Z-000000T0000Z/ Coastal areas between and including Samalga Pass, Alaska (30 miles SW of Nikolski) to Amchitka Pass, Alaska (125 miles W of Adak) 1119 PM AKDT Tue Jul 21 2020 ...THE TSUNAMI ADVISORY REMAINS IN EFFECT FOR THE COASTAL AREAS OF ALASKA FROM SAMALGA PASS ALASKA, WHICH IS LOCATED 30 MILES SW OF NIKOLSKI, TO AMCHITKA PASS ALASKA, WHICH IS LOCATED 125 MILES W OF ADAK,... If you are located in this coastal area, move off the beach and out of harbors and marinas. Tsunami advisories mean that a tsunami capable of producing strong currents or waves dangerous to persons in or very near the water is expected or is already occurring. Areas in the advisory should not expect widespread inundation. Tsunamis are a series of waves dangerous many hours after initial arrival time. The first wave may not be the largest. At 1013 PM Alaska Daylight Time on July 21 an earthquake with preliminary magnitude 7.8 occurred 75 miles south of Chignik Alaska. Estimated tsunami start times for selected sites are; Adak Alaska 1215 AM. AKDT. July 22. Saint Paul Alaska 115 AM. AKDT. July 22. The tsunami advisory will remain in effect until further notice. Refer to the internet site tsunami.gov for more information. $$
405 WEPA41 PAAQ 220751 TSUWCA BULLETIN Tsunami Message Number 4 NWS National Tsunami Warning Center Palmer AK 1151 PM AKDT Tue Jul 21 2020 AKZ187-195-220851- /O.CAN.PAAQ.TS.Y.0015.000000T0000Z-000000T0000Z/ Coastal areas between and including Samalga Pass, Alaska (30 miles SW of Nikolski) to Amchitka Pass, Alaska (125 miles W of Adak) 1151 PM AKDT Tue Jul 21 2020 ...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,... No tsunami danger presently exists for this area. 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. $$ AKZ121-171-181-185-220851- /O.CON.PAAQ.TS.W.0015.000000T0000Z-000000T0000Z/ Coastal areas between and including Kennedy Entrance, Alaska (40 miles SW of Homer) to Samalga Pass, Alaska (30 miles SW of Nikolski) 1151 PM AKDT Tue Jul 21 2020 ...THE TSUNAMI WARNING REMAINS IN EFFECT FOR THE COASTAL AREAS OF ALASKA FROM KENNEDY ENTRANCE ALASKA, WHICH IS LOCATED 40 MILES SW OF HOMER, TO SAMALGA PASS ALASKA, WHICH IS LOCATED 30 MILES SW OF NIKOLSKI,... If you are located in this coastal area, move inland to higher ground. Tsunami warnings mean that a tsunami with significant inundation is possible or is already occurring. Tsunamis are a series of waves dangerous many hours after initial arrival time. The first wave may not be the largest. At 1013 PM Alaska Daylight Time on July 21 an earthquake with
625 WEPA41 PAAQ 220823 TSUWCA BULLETIN Tsunami Message Number 5 NWS National Tsunami Warning Center Palmer AK 1223 AM AKDT Wed Jul 22 2020 AKZ121-171-181-185-221023- /O.CAN.PAAQ.TS.W.0015.000000T0000Z-000000T0000Z/ Coastal areas between and including Kennedy Entrance, Alaska (40 miles SW of Homer) to Samalga Pass, Alaska (30 miles SW of Nikolski) 1223 AM AKDT Wed Jul 22 2020 ...THE TSUNAMI WARNING IS CANCELED FOR THE COASTAL AREAS OF ALASKA... A Tsunami was generated by this event but does not pose a threat to these areas. Some areas may see small sea level changes. The decision to re-occupy hazard zones must be made by local authorities. This will be the final U.S. National Tsunami Warning Center message for this region. Refer to the internet site tsunami.gov for more information. $$
The office that day
Everything else NWS AAQ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 10:50 PM AKDT | Tsunami Advisory | AAQ | 21 days |
Nearby
Tsunami Warnings in Alaska, 2020Every tsunami warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.