M6.6 earthquake 45 km ESE of Esmeraldas, Ecuador
A magnitude 6.6 earthquake struck 45 km ESE of Esmeraldas, Ecuador on Mon, Oct 23, 1944, 6:40 PM GMT-5 (23:40 UTC), 20 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.6 (mw), strong
- Local time
- UTC
- 1944-10-23 23:40:10 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 0.767° N, 79.297° 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
- 28.5% of gravity
- Peak ground velocity
- 3.5 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.
- Magnitude uncertainty
- ±0.38
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.6 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 iscgem899592. Read Tue, Sep 29, 2026, 6:55 PM UTC.