M3.0 earthquake 245 km SSW of Adak, Alaska
A magnitude 3.0 earthquake struck 245 km SSW of Adak, Alaska on Sat, Sep 7, 2019, 3:59 AM HADT (12:59 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.4 166 km SSW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-09-07 12:59:23 UTC
- Depth
- 34.8 km (21.6 mi), shallow
- Epicenter
- 49.883° N, 178.127° 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 |
|---|---|---|---|
| 3.0 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.148 · 6 stations |
| 2.5 | 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 6.4 km horizontally, 11.7 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 257°, poorly surrounded by stations
- Stations used
- 28
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.4166 km SSW of Adak, Alaska · 2579 days ago · 10 km deep · 90 km away · felt by 1 · tsunami flag
- 1.8186 km S of Adak, Alaska · 2579 days ago · 12 km deep · 83 km away
- 2.2198 km S of Adak, Alaska · 2579 days ago · 10 km deep · 77 km away
- 3.6166 km SSW of Adak, Alaska · 2579 days ago · 10 km deep · 85 km away
- 1.6160 km SSW of Adak, Alaska · 2579 days ago · 25 km deep · 96 km away
- 1.7166 km SSW of Adak, Alaska · 2579 days ago · 48 km deep · 93 km away
- 2.1212 km SSW of Adak, Alaska · 2554 days ago · 37 km deep · 45 km away
- 4.3241 km SSW of Adak, Alaska · 2545 days ago · 10 km deep · 13 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70005d9w (also filed as ak019bhnuova). Read Fri, Oct 2, 2026, 2:43 AM UTC.