M6.6 earthquake 63 km ESE of Shikotan, Russia
A magnitude 6.6 earthquake struck 63 km ESE of Shikotan, Russia on Mon, Feb 2, 1925, 10:29 PM JST (13:29 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M6.8 125 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
- 1925-02-02 13:29:15 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 43.531° N, 147.414° 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
- 6.9% of gravity
- Peak ground velocity
- 2.0 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
- ±0.39
- 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: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 6.8125 km ESE of Shikotan, Russia · 37122 days ago · 35 km deep · 66 km away
- 6.2136 km SE of Shikotan, Russia · 37122 days ago · 15 km deep · 82 km away
Before
Earthquakes todayRussia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem910358. Read Tue, Sep 22, 2026, 10:59 AM UTC.