M4.5 earthquake 9 km SSW of Hirara, Japan
A magnitude 4.5 earthquake struck 9 km SSW of Hirara, Japan on Sat, Jun 27, 1981, 2:34 AM JST (17:34 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M4.9 36 km ENE of Hirara, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1981-06-26 17:34:18 UTC
- Depth
- 54.7 km (34.0 mi), shallow
- Epicenter
- 24.722° N, 125.261° 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.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.936 km ENE of Hirara, Japan · 16488 days ago · 83 km deep · 45 km away
- 4.649 km S of Hirara, Japan · 16465 days ago · 65 km deep · 41 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001ebz. Read Tue, Sep 22, 2026, 10:53 AM UTC.