M5.8 earthquake 35 km NW of Yonakuni, Japan
A magnitude 5.8 earthquake struck 35 km NW of Yonakuni, Japan on Sun, Apr 30, 1978, 3:25 AM GMT+8 (19:25 UTC), 18 km (11 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (ms), moderate
- Local time
- UTC
- 1978-04-29 19:25:20 UTC
- Depth
- 18.0 km (11.2 mi), shallow
- Epicenter
- 24.656° N, 122.715° E
- Region
- Japan
- Strongest shaking
- V, moderate 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
- V, moderate shaking
- Peak ground acceleration
- 5.8% of gravity
- Peak ground velocity
- 1.3 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.
- Stations used
- 180
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.643 km WNW of Yonakuni, Japan · 17671 days ago · 37 km deep · 8 km away
- 4.211 km ENE of Jiufen, Taiwan · 17670 days ago · 181 km deep · 96 km away
- 4.122 km WNW of Yonakuni, Japan · 17665 days ago · 102 km deep · 14 km away
- 5.048 km SSE of Yilan, Taiwan · 17647 days ago · 2 km deep · 79 km away
- 4.033 km SSE of Yilan, Taiwan · 17645 days ago · 33 km deep · 85 km away
- 4.575 km SSW of Yonakuni, Japan · 17641 days ago · 33 km deep · 93 km away
- 4.477 km NNE of Yonakuni, Japan · 17637 days ago · 164 km deep · 82 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000ub1 (also filed as gcmtb042978c, gcmt19780429192520, iscgem684404). Read Tue, Sep 22, 2026, 10:17 AM UTC.