Earthquake · reviewed by a seismologist
M 7.3mww
2025 Sand Point, Alaska Earthquake
Yes. A magnitude 7.3 earthquake was recorded 2025 Sand Point, Alaska Earthquake, at 12:37 pm AKDT on 16 July 2025 (20:37 UTC), 38 km deep. 192 people have reported feeling it to USGS.
- When
- Magnitude
- M 7.3 (mww)
- Depth
- 38 km below the surface
- Felt
- 192 reports · strongest reported intensity VII
- Measured shaking
- intensity VII (ShakeMap)
- USGS impact alert
- green
- Tsunami
- USGS flagged this event for tsunami evaluation. Follow tsunami.gov for official messages.
- Nearest
- Aleutians East Borough, 124 km NW
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 120 days ago
Earthquake alerts for Sand Point, AK
Get a notification in this browser when USGS records an earthquake near Sand Point, AK. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a major earthquake. Serious damage is likely near the epicentre. Follow official information from USGS and local authorities.
At this magnitude and depth, people at rest would likely notice it out to about 675 km (419 mi) from the epicentre. Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.
How big was it?
This earthquake released about 1.3 megatons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 8.3 would have released about 32 times as much.
- Great Alaska earthquake 1964 M 9.2 710× the energy of this one
- Tōhoku, Japan 2011 M 9.1 500× the energy of this one
- San Francisco 1906 M 7.9 7.9× the energy of this one
- This earthquake M 7.3 about 1.3 megatons of TNT
- Ridgecrest, California 2019 M 7.1 this one released 2× more
- Loma Prieta, California 1989 M 6.9 this one released 4× more
Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.
For this area
The largest earthquake within 50 km in our catalogue was M 7.2 on 2023-07-16.
Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.
Where
Epicentre 54.5652, -160.4689. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Aleutians East Borough, AK | 124 km (77 mi) | NW | earthquakes near Aleutians East Borough |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
60 earthquakes have been recorded within 50 km since this one.
- 2.8 70 km SSE of Sand Point, Alaska
- 3.1 96 km S of Sand Point, Alaska
- 3.7 93 km S of Sand Point, Alaska
- 4.4 96 km SSE of Sand Point, Alaska
- 3.8 91 km S of Sand Point, Alaska
- 3.1 100 km S of Sand Point, Alaska
- 3.1 110 km SSE of Sand Point, Alaska
- 2.9 82 km S of Sand Point, Alaska
- 3.9 91 km SSE of Sand Point, Alaska
- 4.5 99 km S of Sand Point, Alaska
- 4.2 78 km SSE of Sand Point, Alaska
- 3.5 101 km S of Sand Point, Alaska
- 3.6 104 km SSE of Sand Point, Alaska
- 3.3 92 km S of Sand Point, Alaska
- 2.4 89 km SSE of Sand Point, Alaska
Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.
On USGS
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.