M6.4 earthquake 70 km WSW of Fukaura, Japan
A magnitude 6.4 earthquake struck 70 km WSW of Fukaura, Japan on Fri, Dec 11, 1964, 12:11 AM JST (15:11 UTC), 30 km (19 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (mw), strong
- Local time
- UTC
- 1964-12-10 15:11:07 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 40.444° N, 139.139° E
- Region
- Japan
- 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
- 5.5% of gravity
- Peak ground velocity
- 1.7 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
- ±0.32
- 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: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem861742. Read Tue, Sep 22, 2026, 11:14 AM UTC.