Alaska earthquakes in 1972
37 earthquakes of magnitude 2.5 or more were located in Alaska in 1972. The largest: M7.6 55 km SW of Sitka, Alaska, Jul 30, 1972.
From the USGS catalog. Times are local to each quake.
Map
Where every quake of 1972 was located in Alaska. Select one for its page.
Every quake of 1972
Magnitude 2.5 and up, newest first.
- 5.535 km SE of Adak, Alaska · 52 km deep
- 5.4117 km SSW of Nikolski, Alaska · 26 km deep
- 5.6158 km W of Attu Station, Alaska · 22 km deep
- 5.644 km SSE of Attu Station, Alaska · 31 km deep
- 5.559 km SE of Denali National Park, Alaska · 130 km deep
- 5.9228 km S of False Pass, Alaska · 16 km deep
- 5.2104 km NW of Yakutat, Alaska · 15 km deep
- 5.7132 km SSE of Attu Station, Alaska · 21 km deep
- 5.2196 km WSW of Adak, Alaska · 37 km deep
- 5.740 km WNW of Aleneva, Alaska · 69 km deep
- 5.256 km W of Port Alexander, Alaska · 13 km deep
- 5.1130 km SSE of Cordova, Alaska · 14 km deep
- 5.382 km SE of Akutan, Alaska · 27 km deep
- 5.9191 km WSW of Adak, Alaska · 32 km deep
- 6.153 km WSW of Port Alexander, Alaska · 20 km deep
- 5.6119 km SW of Adak, Alaska · 48 km deep
- 5.6137 km SW of Adak, Alaska · 34 km deep
- 6.3134 km SW of Adak, Alaska · 30 km deep
- 7.655 km SW of Sitka, Alaska · 20 km deep
- 5.337 km S of Attu Station, Alaska · 36 km deep
- 5.356 km SSE of Akutan, Alaska · 41 km deep
- 5.4262 km S of Atka, Alaska · 15 km deep
- 5.5150 km ESE of Attu Station, Alaska · 56 km deep
- 5.192 km WNW of Skwentna, Alaska · 15 km deep
- 6.163 km SSW of Unalaska, Alaska · 36 km deep
- 5.4140 km SSE of Alcan Border, Alaska · 10 km deep
- 5.5125 km WSW of Adak, Alaska · 52 km deep
- 5.5233 km S of Sand Point, Alaska · 16 km deep
- 5.4200 km WSW of Adak, Alaska · 40 km deep
- 5.927 km WNW of Dutch Harbor, Alaska · 107 km deep
- 6.477 km ESE of Chignik, Alaska · 70 km deep
- 5.5219 km S of Adak, Alaska · 15 km deep
- 5.8193 km WSW of Adak, Alaska · 41 km deep
- 5.5277 km ESE of Attu Station, Alaska · 30 km deep
- 5.551 km SSE of Chignik, Alaska · 59 km deep
- 5.846 km S of Chignik, Alaska · 55 km deep
- 5.8Rat Islands, Aleutian Islands, Alaska · 41 km deep
The largest
The 25 largest of 1972 in Alaska.
- 7.655 km SW of Sitka, Alaska · 20 km deep
- 6.477 km ESE of Chignik, Alaska · 70 km deep
- 6.3134 km SW of Adak, Alaska · 30 km deep
- 6.163 km SSW of Unalaska, Alaska · 36 km deep
- 6.153 km WSW of Port Alexander, Alaska · 20 km deep
- 5.927 km WNW of Dutch Harbor, Alaska · 107 km deep
- 5.9228 km S of False Pass, Alaska · 16 km deep
- 5.9191 km WSW of Adak, Alaska · 32 km deep
- 5.8193 km WSW of Adak, Alaska · 41 km deep
- 5.846 km S of Chignik, Alaska · 55 km deep
- 5.8Rat Islands, Aleutian Islands, Alaska · 41 km deep
- 5.740 km WNW of Aleneva, Alaska · 69 km deep
- 5.7132 km SSE of Attu Station, Alaska · 21 km deep
- 5.6137 km SW of Adak, Alaska · 34 km deep
- 5.6158 km W of Attu Station, Alaska · 22 km deep
- 5.644 km SSE of Attu Station, Alaska · 31 km deep
- 5.6119 km SW of Adak, Alaska · 48 km deep
- 5.535 km SE of Adak, Alaska · 52 km deep
- 5.5219 km S of Adak, Alaska · 15 km deep
- 5.5125 km WSW of Adak, Alaska · 52 km deep
- 5.551 km SSE of Chignik, Alaska · 59 km deep
- 5.559 km SE of Denali National Park, Alaska · 130 km deep
- 5.5233 km S of Sand Point, Alaska · 16 km deep
- 5.5277 km ESE of Attu Station, Alaska · 30 km deep
- 5.5150 km ESE of Attu Station, Alaska · 56 km deep
Month by month
Counted by UTC date, which is how the catalog files them.
| Month | Quakes | Largest | Where |
|---|---|---|---|
| January 1972 | 1 | 5.8 | Rat Islands, Aleutian Islands, Alaska |
| February 1972 | 2 | 5.8 | 46 km S of Chignik, Alaska |
| March 1972 | 4 | 6.4 | 77 km ESE of Chignik, Alaska |
| April 1972 | 1 | 5.9 | 27 km WNW of Dutch Harbor, Alaska |
| May 1972 | 2 | 5.5 | 233 km S of Sand Point, Alaska |
| June 1972 | 7 | 6.1 | 63 km SSW of Unalaska, Alaska |
| July 1972 | 2 | 7.6 | 55 km SW of Sitka, Alaska |
| August 1972 | 10 | 6.3 | 134 km SW of Adak, Alaska |
| September 1972 | 2 | 5.7 | 132 km SSE of Attu Station, Alaska |
| October 1972 | 2 | 5.9 | 228 km S of False Pass, Alaska |
| November 1972 | 1 | 5.6 | 44 km SSE of Attu Station, Alaska |
| December 1972 | 3 | 5.6 | 158 km W of Attu Station, 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
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- 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.