M6.0 earthquake 61 km SSW of Adak, Alaska
A magnitude 6.0 earthquake struck 61 km SSW of Adak, Alaska on Tue, Mar 19, 1957, 12:28 AM GMT-11 (11:28 UTC), 35 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (mw), moderate
- Local time
- UTC
- 1957-03-19 11:28:56 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 51.336° N, 176.852° 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.
- Magnitude uncertainty
- ±0.30
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 7 in the 30 days before it.
Before
- 7.175 km S of Adak, Alaska · 25394 days ago · 25 km deep · 18 km away
- 7.160 km SW of Adak, Alaska · 25396 days ago · 20 km deep · 32 km away
- 6.4133 km SW of Adak, Alaska · 25396 days ago · 10 km deep · 96 km away
- 6.0136 km S of Adak, Alaska · 25398 days ago · 33 km deep · 76 km away
- 6.890 km SSW of Adak, Alaska · 25398 days ago · 15 km deep · 28 km away
- 6.4146 km S of Adak, Alaska · 25398 days ago · 33 km deep · 86 km away
- 8.61957 Atka, Alaska Earthquake · 25399 days ago · 25 km deep · 87 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem886206 (also filed as ushis2186). Read Tue, Sep 22, 2026, 3:58 PM UTC.