M5.3 earthquake 100 km SE of Hiroo, Japan
A magnitude 5.3 earthquake struck 100 km SE of Hiroo, Japan on Tue, Nov 11, 1975, 4:22 PM JST (07:22 UTC), 25 km (16 mi) below the surface.
A larger quake followed: M5.5 166 km S of Kushiro, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1975-11-11 07:22:43 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 41.713° N, 144.236° 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 2.3 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.4149 km S of Kushiro, Japan · 18589 days ago · 31 km deep · 17 km away
- 5.5166 km S of Kushiro, Japan · 18589 days ago · 55 km deep · 25 km away
- 4.9159 km S of Kushiro, Japan · 18575 days ago · 27 km deep · 20 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem721549. Read Sat, Oct 3, 2026, 1:30 PM UTC.