M1.9 earthquake 254 km SW of Adak, Alaska
A magnitude 1.9 earthquake struck 254 km SW of Adak, Alaska on Tue, Jul 13, 2021, 3:53 AM HADT (12:53 UTC), 27 km (17 mi) below the surface.
A larger quake followed: M3.4 219 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
- 1.9 (ml), micro
- Local time
- UTC
- 2021-07-13 12:53:19 UTC
- Depth
- 27.3 km (17.0 mi), shallow
- Epicenter
- 50.123° N, 178.966° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 14
Nearby
Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.1242 km SW of Adak, Alaska · 1893 days ago · 11 km deep · 26 km away
- 3.4219 km SSW of Adak, Alaska · 1890 days ago · 43 km deep · 98 km away
- 1.9176 km SSW of Adak, Alaska · 1887 days ago · 26 km deep · 84 km away
- 1.9211 km SSW of Adak, Alaska · 1887 days ago · 26 km deep · 56 km away
- 2.5168 km SSW of Adak, Alaska · 1884 days ago · 10 km deep · 93 km away
- 2.1226 km SSW of Adak, Alaska · 1881 days ago · 20 km deep · 79 km away
- 2.3Rat Islands, Aleutian Islands, Alaska · 1877 days ago · 30 km deep · 83 km away
- 2.6218 km WSW of Adak, Alaska · 1872 days ago · 10 km deep · 93 km away
- 2.1186 km SSW of Adak, Alaska · 1865 days ago · 26 km deep · 93 km away
- 1.9217 km WSW of Adak, Alaska · 1860 days ago · 6 km deep · 94 km away
- 2.8239 km SSW of Adak, Alaska · 1852 days ago · 10 km deep · 38 km away
- 2.8199 km WSW of Adak, Alaska · 1849 days ago · 16 km deep · 97 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0218x1pxha. Read Tue, Sep 29, 2026, 3:42 AM UTC.