M4.6 earthquake 40 km ESE of Adak, Alaska
A magnitude 4.6 earthquake struck 40 km ESE of Adak, Alaska on Thu, Feb 12, 1998, 11:19 PM HAST (09:19 UTC), 43 km (26 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1998-02-13 09:19:45 UTC
- Depth
- 42.5 km (26.4 mi), shallow
- Epicenter
- 51.701° N, 176.116° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt on Adak.
From the USGS event page for usp0008fx7. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
Nearby
Within 100 km, magnitude 1.6 and up: 11 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.391 km SSW of Adak, Alaska · 10457 days ago · 33 km deep · 93 km away
- 3.493 km S of Adak, Alaska · 10457 days ago · 33 km deep · 75 km away
- 4.472 km S of Adak, Alaska · 10456 days ago · 58 km deep · 63 km away
- 4.571 km SSW of Adak, Alaska · 10453 days ago · 33 km deep · 78 km away
- 4.440 km E of Adak, Alaska · 10444 days ago · 48 km deep · 23 km away
- 4.493 km SW of Atka, Alaska · 10426 days ago · 33 km deep · 62 km away
- 4.558 km SSW of Adak, Alaska · 10423 days ago · 33 km deep · 64 km away
- 4.549 km SSW of Adak, Alaska · 10423 days ago · 33 km deep · 63 km away
- 4.424 km WSW of Adak, Alaska · 10419 days ago · 56 km deep · 61 km away
- 3.456 km E of Adak, Alaska · 10414 days ago · 33 km deep · 36 km away
- 3.876 km SSW of Adak, Alaska · 10411 days ago · 33 km deep · 89 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008fx7. Read Fri, Oct 2, 2026, 9:48 AM UTC.