M4.4 earthquake 52 km SSE of ?funato, Japan
A magnitude 4.4 earthquake struck 52 km SSE of ?funato, Japan on Mon, Feb 20, 1978, 2:39 PM JST (05:39 UTC), 75 km (47 mi) below the surface.
A larger quake followed: M4.5 118 km SE of ?funato, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 1978-02-20 05:39:44 UTC
- Depth
- 75.0 km (46.6 mi), intermediate-depth
- Epicenter
- 38.660° N, 142.020° 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
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.5118 km SE of ?funato, Japan · 17746 days ago · 33 km deep · 72 km away
- 5.178 km ESE of Ishinomaki, Japan · 17745 days ago · 86 km deep · 45 km away
- 4.477 km SE of Ishinomaki, Japan · 17743 days ago · 67 km deep · 85 km away
- 4.8139 km ESE of Ishinomaki, Japan · 17739 days ago · 29 km deep · 96 km away
- 4.9130 km SE of Kamaishi, Japan · 17728 days ago · 30 km deep · 95 km away
- 5.134 km SSE of ?funato, Japan · 17726 days ago · 64 km deep · 18 km away
- 4.541 km SE of ?funato, Japan · 17701 days ago · 68 km deep · 13 km away
Before
- 4.442 km SE of ?funato, Japan · 17746 days ago · 63 km deep · 12 km away
- 4.637 km S of ?funato, Japan · 17746 days ago · 74 km deep · 23 km away
- 6.137 km SSE of ?funato, Japan · 17746 days ago · 60 km deep · 15 km away
- 5.1106 km ESE of Ishinomaki, Japan · 17748 days ago · 45 km deep · 65 km away
- 4.3112 km ESE of ?funato, Japan · 17774 days ago · 33 km deep · 73 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000t25. Read Tue, Sep 22, 2026, 3:37 PM UTC.