M4.7 earthquake 21 km SSW of Athi River, Kenya
A magnitude 4.7 earthquake struck 21 km SSW of Athi River, Kenya on Wed, Apr 5, 1978, 8:46 PM GMT+3 (17:46 UTC), 25 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1978-04-05 17:46:10 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 1.647° S, 36.937° E
- Region
- Kenya
- Strongest shaking
- VI, strong 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
- VI, strong shaking
- Peak ground acceleration
- 34.1% of gravity
- Peak ground velocity
- 2.5 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
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000txp. Read Mon, Sep 21, 2026, 10:10 AM UTC.