M4.9 earthquake 11 km NNE of Alausí, Ecuador
A magnitude 4.9 earthquake struck 11 km NNE of Alausí, Ecuador on Thu, May 10, 1973, 8:46 AM GMT-5 (13:46 UTC), 131 km (81 mi) below the surface.
A larger quake followed: M5.7 36 km E of Alausí, Ecuador. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1973-05-10 13:46:34 UTC
- Depth
- 131.0 km (81.4 mi), intermediate-depth
- Epicenter
- 2.102° S, 78.816° W
- Region
- Ecuador
- 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
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayEcuador earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001sb. Read Tue, Sep 22, 2026, 9:20 PM UTC.