M3.5 earthquake 206 km SSE of Old Harbor, Alaska
A magnitude 3.5 earthquake struck 206 km SSE of Old Harbor, Alaska on Thu, Oct 24, 2024, 8:11 PM AKDT (04:11 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.5 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2024-10-25 04:11:02 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 55.542° N, 151.818° 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 |
|---|---|---|---|
| 3.5 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.071 · 26 stations |
| 3.4 | 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 9.1 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 201°, poorly surrounded by stations
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.7158 km SSE of Old Harbor, Alaska · 701 days ago · 12 km deep · 49 km away
- 3.0202 km SSE of Old Harbor, Alaska · 688 days ago · 10 km deep · 7 km away
- 2.5163 km SSE of Old Harbor, Alaska · 666 days ago · 12 km deep · 44 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000nn29 (also filed as ak024dqk4qnt). Read Fri, Oct 2, 2026, 2:19 PM UTC.