M7.0 earthquake 82 km ENE of Hasaki, Japan
A magnitude 7.0 earthquake struck 82 km ENE of Hasaki, Japan on Sat, Mar 13, 1909, 8:18 AM JST (23:18 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M7.1 150 km ESE of Hasaki, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.0 (mw), major
- Local time
- UTC
- 1909-03-12 23:18:38 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 35.897° N, 141.719° E
- Region
- Japan
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
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
- ±0.21
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 4.0 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 iscgem609601749. Read Tue, Sep 29, 2026, 12:52 PM UTC.