M3.5 earthquake 215 km SSW of Adak, Alaska
A magnitude 3.5 earthquake struck 215 km SSW of Adak, Alaska on Fri, Jul 3, 2026, 6:48 AM HADT (15:48 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
- 2026-07-03 15:48:39 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 50.028° N, 177.545° W
- Region
- Alaska
- Strongest shaking
- III, weak shaking
- 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 · ±0.085 · 18 stations |
| 3.5 | ML, local (Richter) | Alaska Earthquake Center | Preliminary · ±0.1 · 25 stations |
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- III, weak shaking
- Peak ground acceleration
- 1.0% of gravity
- Peak ground velocity
- 0.2 cm/s
- Map
- Automatic
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 5.8 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 249°, poorly surrounded by stations
- Stations used
- 19
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 7 in the 30 days before it.
After
- 2.2156 km S of Adak, Alaska · 70 days ago · 4 km deep · 83 km away
- 3.2176 km S of Adak, Alaska · 61 days ago · 10 km deep · 61 km away
- 2.4120 km SSW of Adak, Alaska · 56 days ago · 24 km deep · 95 km away
- 2.2137 km SW of Adak, Alaska · 43 days ago · 11 km deep · 99 km away
Before
- 3.6165 km SSW of Adak, Alaska · 95 days ago · 10 km deep · 59 km away
- 2.8244 km SSW of Adak, Alaska · 98 days ago · 10 km deep · 63 km away
- 2.8153 km S of Adak, Alaska · 100 days ago · 10 km deep · 77 km away
- 2.7156 km S of Adak, Alaska · 101 days ago · 4 km deep · 72 km away
- 2.8149 km S of Adak, Alaska · 104 days ago · 12 km deep · 69 km away
- 2.5192 km SSW of Adak, Alaska · 105 days ago · 2 km deep · 64 km away
- 2.6271 km SSW of Adak, Alaska · 117 days ago · 20 km deep · 86 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000t9zv (also filed as aka2026nbfqkv). Read Sun, Oct 4, 2026, 8:40 PM UTC.