Alaska earthquakes in 1970
30 earthquakes of magnitude 2.5 or more were located in Alaska in 1970. The largest: M7.1 58 km WNW of Atka, Alaska, Feb 27, 1970.
From the USGS catalog. Times are local to each quake.
Map
Where every quake of 1970 was located in Alaska. Select one for its page.
Every quake of 1970
Magnitude 2.5 and up, newest first.
- 5.5131 km WSW of Adak, Alaska · 45 km deep
- 5.766 km WSW of Nikolski, Alaska · 10 km deep
- 5.667 km W of Nikolski, Alaska · 15 km deep
- 5.748 km W of Nikolski, Alaska · 80 km deep
- 5.8110 km SE of Adak, Alaska · 35 km deep
- 6.1105 km SE of Adak, Alaska · 31 km deep
- 5.719 km E of Skwentna, Alaska · 77 km deep
- 5.1103 km NW of Yakutat, Alaska · 15 km deep
- 6.113 km ENE of Cordova, Alaska · 27 km deep
- 5.36 km NW of Farmers Loop, Alaska · 20 km deep
- 6.1141 km WSW of Adak, Alaska · 31 km deep
- 5.6171 km SE of Chignik, Alaska · 27 km deep
- 5.5125 km WSW of Adak, Alaska · 44 km deep
- 5.699 km SE of Old Harbor, Alaska · 22 km deep
- 5.747 km NW of Beluga, Alaska · 90 km deep
- 5.8146 km WSW of Adak, Alaska · 35 km deep
- 6.0120 km W of Attu Station, Alaska · 34 km deep
- 5.7173 km W of Yakutat, Alaska · 10 km deep
- 6.053 km W of Anchor Point, Alaska · 98 km deep
- 6.7163 km W of Yakutat, Alaska · 10 km deep
- 5.8160 km W of Yakutat, Alaska · 10 km deep
- 6.3169 km S of Attu Station, Alaska · 18 km deep
- 5.5292 km SW of Adak, Alaska · 11 km deep
- 4.896 km S of Chenega, Alaska · 47 km deep
- 6.015 km S of Larsen Bay, Alaska · 40 km deep
- 7.158 km WNW of Atka, Alaska · 164 km deep
- 6.0295 km SW of Adak, Alaska · 16 km deep
- 6.2165 km SE of Cordova, Alaska · 17 km deep
- 5.7Rat Islands, Aleutian Islands, Alaska · 15 km deep
- 5.663 km WNW of Ninilchik, Alaska · 98 km deep
The largest
The 25 largest of 1970 in Alaska.
- 7.158 km WNW of Atka, Alaska · 164 km deep
- 6.7163 km W of Yakutat, Alaska · 10 km deep
- 6.3169 km S of Attu Station, Alaska · 18 km deep
- 6.2165 km SE of Cordova, Alaska · 17 km deep
- 6.1141 km WSW of Adak, Alaska · 31 km deep
- 6.1105 km SE of Adak, Alaska · 31 km deep
- 6.113 km ENE of Cordova, Alaska · 27 km deep
- 6.053 km W of Anchor Point, Alaska · 98 km deep
- 6.0295 km SW of Adak, Alaska · 16 km deep
- 6.015 km S of Larsen Bay, Alaska · 40 km deep
- 6.0120 km W of Attu Station, Alaska · 34 km deep
- 5.8160 km W of Yakutat, Alaska · 10 km deep
- 5.8110 km SE of Adak, Alaska · 35 km deep
- 5.8146 km WSW of Adak, Alaska · 35 km deep
- 5.7Rat Islands, Aleutian Islands, Alaska · 15 km deep
- 5.766 km WSW of Nikolski, Alaska · 10 km deep
- 5.748 km W of Nikolski, Alaska · 80 km deep
- 5.7173 km W of Yakutat, Alaska · 10 km deep
- 5.719 km E of Skwentna, Alaska · 77 km deep
- 5.747 km NW of Beluga, Alaska · 90 km deep
- 5.699 km SE of Old Harbor, Alaska · 22 km deep
- 5.663 km WNW of Ninilchik, Alaska · 98 km deep
- 5.6171 km SE of Chignik, Alaska · 27 km deep
- 5.667 km W of Nikolski, Alaska · 15 km deep
- 5.5292 km SW of Adak, Alaska · 11 km deep
Month by month
Counted by UTC date, which is how the catalog files them.
| Month | Quakes | Largest | Where |
|---|---|---|---|
| January 1970 | 2 | 5.7 | Rat Islands, Aleutian Islands, Alaska |
| February 1970 | 3 | 7.1 | 58 km WNW of Atka, Alaska |
| March 1970 | 4 | 6.3 | 169 km S of Attu Station, Alaska |
| April 1970 | 5 | 6.7 | 163 km W of Yakutat, Alaska |
| May 1970 | 1 | 5.8 | 146 km WSW of Adak, Alaska |
| June 1970 | 4 | 5.7 | 47 km NW of Beluga, Alaska |
| July 1970 | 1 | 6.1 | 141 km WSW of Adak, Alaska |
| August 1970 | 2 | 6.1 | 13 km ENE of Cordova, Alaska |
| September 1970 | 1 | 5.1 | 103 km NW of Yakutat, Alaska |
| October 1970 | 0 | ||
| November 1970 | 1 | 5.7 | 19 km E of Skwentna, Alaska |
| December 1970 | 6 | 6.1 | 105 km SE of Adak, Alaska |
What this means
The catalog is only as complete as the instruments of the time. Worldwide coverage of magnitude 5 and up dates from the 1960s, and of 4.5 from the 1990s; earlier years hold the large quakes and the ones near a station, so a low count in an early year means fewer instruments, not a quiet earth.
By year
Every year the USGS catalog covers.
- 2020s2020202120222023202420252026
- 2010s2010201120122013201420152016201720182019
- 2000s2000200120022003200420052006200720082009
- 1990s1990199119921993199419951996199719981999
- 1980s1980198119821983198419851986198719881989
- 1970s1970197119721973197419751976197719781979
- 1960s1960196119621963196419651966196719681969
- 1950s1950195119521953195419551956195719581959
- 1940s1940194119421943194419451946194719481949
- 1930s1930193119321933193419351936193719381939
- 1920s1920192119221923192419251926192719281929
- 1910s1910191119121913191419151916191719181919
- 1900s1900190119021903190419051906190719081909
Nearby
Sources
Earthquakes, magnitudes, depths, shaking estimates and felt reports from the U.S. Geological Survey Earthquake Hazards Program, read from its live feeds and its catalog back to 1900. Tsunami messages from NOAA’s tsunami warning centers.