M6.0 earthquake 14 km W of Cotacachi, Ecuador
A magnitude 6.0 earthquake struck 14 km W of Cotacachi, Ecuador on Wed, Jul 20, 1955, 4:00 PM GMT-5 (21:00 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (mw), strong
- Local time
- UTC
- 1955-07-20 21:00:47 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 0.303° N, 78.394° W
- Region
- Ecuador
- Strongest shaking
- VII, very 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
- VII, very strong shaking
- Peak ground acceleration
- 26.9% of gravity
- Peak ground velocity
- 3.0 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.
- Magnitude uncertainty
- ±0.35
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 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 iscgem889774. Read Mon, Sep 21, 2026, 10:19 PM UTC.