M2.3 earthquake 183 km SSE of Unalaska, Alaska
A magnitude 2.3 earthquake struck 183 km SSE of Unalaska, Alaska on Tue, Oct 30, 2018, 12:54 PM AKDT (20:54 UTC), 34 km (21 mi) below the surface.
A larger quake followed: M4.1 177 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
- 2.3 (ml), micro
- Local time
- UTC
- 2018-10-30 20:54:00 UTC
- Depth
- 33.5 km (20.8 mi), shallow
- Epicenter
- 52.347° N, 165.490° 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
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.7129 km SSE of Unalaska, Alaska · 2879 days ago · 15 km deep · 61 km away
- 2.5140 km ESE of Nikolski, Alaska · 2870 days ago · 10 km deep · 100 km away
- 3.0154 km ESE of Nikolski, Alaska · 2866 days ago · 10 km deep · 90 km away
- 2.5155 km SE of Akutan, Alaska · 2865 days ago · 9 km deep · 100 km away
- 2.7149 km S of Unalaska, Alaska · 2864 days ago · 21 km deep · 70 km away
- 2.1139 km ESE of Nikolski, Alaska · 2854 days ago · 20 km deep · 98 km away
- 2.4133 km S of Unalaska, Alaska · 2849 days ago · 13 km deep · 90 km away
- 2.3139 km ESE of Nikolski, Alaska · 2842 days ago · 14 km deep · 98 km away
- 4.1177 km SSE of Unalaska, Alaska · 2839 days ago · 10 km deep · 38 km away
- 2.4240 km S of Unalaska, Alaska · 2838 days ago · 12 km deep · 72 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak018dxg2efj (also filed as ak20335239). Read Thu, Oct 1, 2026, 1:34 AM UTC.