M5.5 earthquake 101 km SSE of Tarama, Japan
A magnitude 5.5 earthquake struck 101 km SSE of Tarama, Japan on Sat, May 28, 1966, 2:53 PM JST (05:53 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M6.1 51 km SSW of Miyakojima, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1966-05-28 05:53:19 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 23.822° N, 125.075° 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
- ±0.20
- 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: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem847885. Read Tue, Sep 22, 2026, 10:29 AM UTC.