M6.3 earthquake 79 km ENE of Hasaki, Japan
A magnitude 6.3 earthquake struck 79 km ENE of Hasaki, Japan on Mon, Jan 16, 1961, 8:19 PM JST (11:19 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M7.0 104 km ENE 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
- 6.3 (mw), strong
- Local time
- UTC
- 1961-01-16 11:19:39 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 36.036° N, 141.629° E
- Region
- Japan
- Strongest shaking
- IV, light shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 3.8% of gravity
- Peak ground velocity
- 1.5 cm/s
- Map
- Automatic
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 2.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 7.0104 km ENE of Hasaki, Japan · 23990 days ago · 30 km deep · 27 km away
- 6.3128 km ENE of Hasaki, Japan · 23990 days ago · 30 km deep · 49 km away
- 6.796 km ENE of Hasaki, Japan · 23990 days ago · 30 km deep · 21 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem875968. Read Tue, Sep 22, 2026, 5:28 PM UTC.