M4.3 earthquake 141 km ESE of ?funato, Japan
A magnitude 4.3 earthquake struck 141 km ESE of ?funato, Japan on Thu, Jul 20, 1978, 12:00 AM JST (15:00 UTC), 38 km (24 mi) below the surface.
A larger quake followed: M4.4 150 km ESE of Ishinomaki, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1978-07-19 15:00:34 UTC
- Depth
- 38.0 km (23.6 mi), shallow
- Epicenter
- 38.407° N, 143.111° 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
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 11 in the 30 days before it.
After
- 4.4150 km ESE of Ishinomaki, Japan · 17597 days ago · 33 km deep · 63 km away
- 4.659 km SE of ?funato, Japan · 17558 days ago · 47 km deep · 83 km away
- 4.080 km ESE of Ishinomaki, Japan · 17552 days ago · 59 km deep · 90 km away
Before
- 4.7104 km ESE of Ishinomaki, Japan · 17604 days ago · 33 km deep · 65 km away
- 4.5120 km ESE of Ishinomaki, Japan · 17604 days ago · 44 km deep · 53 km away
- 4.8187 km SE of ?funato, Japan · 17606 days ago · 33 km deep · 48 km away
- 4.7187 km SE of ?funato, Japan · 17606 days ago · 36 km deep · 47 km away
- 4.9187 km SE of ?funato, Japan · 17611 days ago · 33 km deep · 48 km away
- 4.9195 km SE of ?funato, Japan · 17611 days ago · 12 km deep · 54 km away
- 4.8133 km SE of ?funato, Japan · 17612 days ago · 37 km deep · 29 km away
- 4.7196 km SE of ?funato, Japan · 17614 days ago · 26 km deep · 56 km away
- 4.9109 km ESE of ?funato, Japan · 17621 days ago · 33 km deep · 32 km away
- 5.1155 km SE of ?funato, Japan · 17625 days ago · 33 km deep · 20 km away
- 4.3131 km SE of ?funato, Japan · 17626 days ago · 33 km deep · 28 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000vmz. Read Tue, Sep 22, 2026, 8:58 PM UTC.