M6.6 earthquake 56 km E of Shikotan, Russia
A magnitude 6.6 earthquake struck 56 km E of Shikotan, Russia on Sun, Feb 1, 1925, 2:24 PM JST (05:24 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M6.6 63 km ESE of Shikotan, Russia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.6 (mw), strong
- Local time
- UTC
- 1925-02-01 05:24:03 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 43.830° N, 147.428° E
- Region
- Russia
- Strongest shaking
- V, moderate shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 8.8% of gravity
- Peak ground velocity
- 2.2 cm/s
- Map
- Automatic
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
- ±0.52
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 6.199 km SE of Shikotan, Russia · 37122 days ago · 35 km deep · 65 km away
- 6.663 km ESE of Shikotan, Russia · 37122 days ago · 30 km deep · 33 km away
- 6.8125 km ESE of Shikotan, Russia · 37122 days ago · 35 km deep · 72 km away
Before
Earthquakes todayRussia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem910348. Read Tue, Sep 22, 2026, 7:23 AM UTC.