M4.3 earthquake 43 km SSE of Hasaki, Japan
A magnitude 4.3 earthquake struck 43 km SSE of Hasaki, Japan on Wed, Nov 8, 1978, 4:14 PM JST (07:14 UTC), 52 km (32 mi) below the surface.
A larger quake followed: M4.8 59 km SSE of Katsuura, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1978-11-08 07:14:11 UTC
- Depth
- 52.0 km (32.3 mi), shallow
- Epicenter
- 35.364° N, 141.000° 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.
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.859 km SSE of Katsuura, Japan · 17456 days ago · 55 km deep · 88 km away
- 4.58 km NNW of Itako, Japan · 17455 days ago · 68 km deep · 83 km away
- 4.35 km SW of Shiroi, Japan · 17432 days ago · 85 km deep · 99 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000xbc. Read Tue, Sep 22, 2026, 8:45 AM UTC.