M2.4 earthquake 240 km S of Unalaska, Alaska
A magnitude 2.4 earthquake struck 240 km S of Unalaska, Alaska on Sun, Dec 23, 2018, 10:33 AM AKST (19:33 UTC), 12 km (7 mi) below the surface.
A larger quake followed: M2.5 193 km SSE of Unalaska, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.4 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2018-12-23 19:33:38 UTC
- Depth
- 11.5 km (7.1 mi), shallow
- Epicenter
- 51.750° N, 165.887° 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
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.1159 km S of Unalaska, Alaska · 2801 days ago · 10 km deep · 85 km away
- 2.4207 km SSE of Unalaska, Alaska · 2801 days ago · 7 km deep · 55 km away
- 2.5193 km SSE of Unalaska, Alaska · 2801 days ago · 10 km deep · 67 km away
- 2.5163 km SE of Nikolski, Alaska · 2797 days ago · 10 km deep · 84 km away
- 2.2189 km SSE of Unalaska, Alaska · 2792 days ago · 21 km deep · 63 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak018geqdaeh. Read Fri, Oct 2, 2026, 1:30 AM UTC.