M3.7 earthquake 207 km SSE of Sand Point, Alaska
A magnitude 3.7 earthquake struck 207 km SSE of Sand Point, Alaska on Mon, Dec 11, 2017, 1:19 PM AKST (22:19 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.8 129 km SSE of Sand Point, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-12-11 22:19:19 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 53.685° N, 159.029° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 3.7 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.159 · 10 stations |
| 3.3 | ML, local (Richter) | Alaska Earthquake Center | Preliminary |
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.1 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- Operator assigned
- Station coverage gap
- 220°, poorly surrounded by stations
- Stations used
- 78
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 3.8129 km SSE of Sand Point, Alaska · 3213 days ago · 23 km deep · 79 km away
- 3.6132 km SSE of Sand Point, Alaska · 3213 days ago · 18 km deep · 75 km away
- 2.2132 km SE of Sand Point, Alaska · 3213 days ago · 12 km deep · 80 km away
- 2.7148 km SSE of Sand Point, Alaska · 3212 days ago · 24 km deep · 59 km away
- 3.6219 km S of Sand Point, Alaska · 3203 days ago · 10 km deep · 76 km away
- 3.4199 km SSE of Sand Point, Alaska · 3181 days ago · 10 km deep · 15 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000c45e (also filed as ak17598053, ak017fuxmdy9). Read Thu, Oct 1, 2026, 8:01 AM UTC.