M6.5 earthquake 20 km S of Urakawa, Japan
A magnitude 6.5 earthquake struck 20 km S of Urakawa, Japan on Tue, Oct 8, 1968, 5:49 AM JST (20:49 UTC), 50 km (31 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.5 (mw), strong
- Local time
- UTC
- 1968-10-07 20:49:05 UTC
- Depth
- 49.5 km (30.8 mi), shallow
- Epicenter
- 41.976° N, 142.744° E
- Region
- Japan
- Strongest shaking
- VI, 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
- VI, strong shaking
- Peak ground acceleration
- 14.7% of gravity
- Peak ground velocity
- 2.7 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
- ±0.20
- 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: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem815712. Read Tue, Sep 22, 2026, 8:51 PM UTC.