M 7.3 earthquake – 2025 Sand Point, Alaska Earthquake
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Local time: Jul 16, 2025 · 12:37 (UTC-8)
MajorShallow · 38 kmPAGER greenTsunami information issued
Reviewed by a seismologist
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- Magnitude
- 7.3moment magnitude (mww)
- Depth
- 38 kmShallow earthquake
- Epicenter
- 54.565, -160.469967 km from Anchorage
- Energy released
- 1.3 megatons of TNTabout 90 × Hiroshima
- Felt reports
- 192"Did You Feel It?" responses
- Shaking intensity
- 6.7max. instrumental (MMI)
- Aftershocks
- 500M2.5+ within 110 km, up to 60 days
- Significance
- 962USGS score, 0–1,000+
The strongest here since 2021
The last earthquake at least as strong within 300 km struck on Jul 29, 2021.
How strong was it?
Major earthquake. It released 1.3 megatons of TNT, 2,818 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
500 earthquakes of M2.5+ within 110 km in the 60 days after.
- 5.4 93 km SSE of Sand Point, Alaska Jul 16, 2025
- 3.7 104 km S of Sand Point, Alaska Jul 16, 2025
- 4.3 88 km SSE of Sand Point, Alaska Jul 16, 2025
- 4.2 96 km S of Sand Point, Alaska Jul 16, 2025
- 3.8 96 km SSE of Sand Point, Alaska Jul 16, 2025
- 3.2 101 km SSE of Sand Point, Alaska Jul 16, 2025
- 3.4 101 km SSE of Sand Point, Alaska Jul 16, 2025
- 3.7 99 km SSE of Sand Point, Alaska Jul 16, 2025
- 3.6 100 km SSE of Sand Point, Alaska Jul 16, 2025
- 3.5 89 km SSE of Sand Point, Alaska Jul 16, 2025
The strongest earthquakes within 300 km
Since 1900.
- 8.6 The 1946 Unimak Island, Alaska Earthquake Apr 1, 1946
- 8.2 1938 Semidi Islands, Alaska Earthquake Nov 10, 1938
- 8.2 2021 Chignik, Alaska Earthquake Jul 29, 2021
- 7.8 2020 Perryville, Alaska Earthquake Jul 22, 2020
- 7.6 2020 Sand Point, Alaska Earthquake Oct 19, 2020
- 7.4 54 km SE of Sand Point, Alaska May 31, 1917
- 7.2 2023 Sand Point, Alaska Earthquake Jul 16, 2023
- 7.1 90 km SE of King Cove, Alaska May 14, 1948