M4.8 earthquake 119 km E of Miyako, Japan
A magnitude 4.8 earthquake struck 119 km E of Miyako, Japan on Fri, Jul 28, 1978, 2:43 AM JST (17:43 UTC), 33 km (21 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), light
- Local time
- UTC
- 1978-07-27 17:43:55 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 39.635° N, 143.334° 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 0 in the 60 days after this one and 4 in the 30 days before it.
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000vtw. Read Tue, Sep 22, 2026, 10:27 AM UTC.