M5.8 earthquake 79 km E of Ōarai, Japan
A magnitude 5.8 earthquake struck 79 km E of Ōarai, Japan on Fri, Sep 17, 1965, 11:22 PM JST (14:22 UTC), 43 km (27 mi) below the surface.
A larger quake followed: M5.9 84 km NE 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
- 5.8 (mw), moderate
- Local time
- UTC
- 1965-09-17 14:22:39 UTC
- Depth
- 42.7 km (26.5 mi), shallow
- Epicenter
- 36.284° N, 141.467° 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
- ±0.22
- 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: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.984 km NE of Hasaki, Japan · 22285 days ago · 35 km deep · 7 km away
- 7.073 km E of Ōarai, Japan · 22285 days ago · 41 km deep · 8 km away
- 6.569 km ESE of Takahagi, Japan · 22280 days ago · 40 km deep · 17 km away
- 5.751 km ESE of Takahagi, Japan · 22227 days ago · 40 km deep · 33 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem853914. Read Tue, Sep 22, 2026, 12:16 PM UTC.