M6.6 earthquake 18 km SW of Tahara, Japan
A magnitude 6.6 earthquake struck 18 km SW of Tahara, Japan on Sat, Jan 13, 1945, 3:38 AM JST (18:38 UTC), 10 km (6 mi) below the surface.
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
- 1945-01-12 18:38:28 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 34.569° N, 137.109° E
- Region
- Japan
- Strongest shaking
- VII, very strong 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
- VII, very strong shaking
- Peak ground acceleration
- 28.7% of gravity
- Peak ground velocity
- 3.6 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
- ±0.30
- 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 iscgem898751. Read Tue, Sep 22, 2026, 10:24 PM UTC.