M5.7 earthquake 75 km SE of Hiroo, Japan
A magnitude 5.7 earthquake struck 75 km SE of Hiroo, Japan on Mon, Mar 15, 1971, 2:35 PM JST (05:35 UTC), 32 km (20 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1971-03-15 05:35:43 UTC
- Depth
- 31.5 km (19.6 mi), shallow
- Epicenter
- 41.735° N, 143.832° 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
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 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 iscgem786381. Read Sat, Oct 3, 2026, 1:29 PM UTC.