Earthquake LogM6.9 earthquake, Alaska, 2021-10-11
MagnitudeM6.9mww
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Depth52 km
Time (UTC)2021-10-11 09:10
Rank in 202126 / 157among M6+
Rank since 19002027 / 14,458
Energy vs an M6×22approx.
112 km E of Chignik, Alaska · 56.30, -156.58
M5.5+ within 100 km in the next 30 days
None
M6.5+ within 300 km (largest first)
M8.2
M8.2
M7.8
M7.6
M7.4
M7.1
M7.0
M7.0
M7.0
M7.0
M6.9
M6.9
Earlier M6+ within 300 km
| Event | Time (UTC) | Depth | Place |
|---|---|---|---|
| M6.9 2021-08-14 | 2021-08-14 11:57 | 21 km | 125 km SE of Perryville, Alaska |
| M8.2 2021-07-29 | 2021-07-29 06:15 | 35 km | 2021 Chignik, Alaska Earthquake |
| M7.6 2020-10-19 | 2020-10-19 20:54 | 28 km | 2020 Sand Point, Alaska Earthquake |
| M6.1 2020-07-22 | 2020-07-22 06:16 | 17 km | 101 km ESE of Sand Point, Alaska |
| M7.8 2020-07-22 | 2020-07-22 06:12 | 28 km | 2020 Perryville, Alaska Earthquake |
| M6.2 2016-04-02 | 2016-04-02 05:50 | 11 km | 42 km E of Port Heiden, Alaska |
| M6.8 2015-05-29 | 2015-05-29 07:00 | 73 km | 117 km SSE of Ugashik, Alaska |
| M6.0 2008-05-25 | 2008-05-25 19:18 | 20 km | 122 km SSE of Akhiok, Alaska |
| M6.6 2001-07-28 | 2001-07-28 07:32 | 132 km | 74 km S of Kokhanok, Alaska |
| M6.9 2001-01-10 | 2001-01-10 16:02 | 36 km | 47 km S of Old Harbor, Alaska |
Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.