M4.8 earthquake 21 km E of Iwaki, Japan
A magnitude 4.8 earthquake struck 21 km E of Iwaki, Japan on Wed, Dec 22, 1976, 12:06 AM JST (15:06 UTC), 61 km (38 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1976-12-21 15:06:55 UTC
- Depth
- 61.0 km (37.9 mi), shallow
- Epicenter
- 37.067° N, 141.125° 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
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.727 km ESE of Kitaibaraki, Japan · 18152 days ago · 56 km deep · 38 km away
- 4.780 km ESE of Namie, Japan · 18136 days ago · 40 km deep · 65 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000kvv. Read Sat, Oct 3, 2026, 3:32 AM UTC.