M4.7 earthquake 39 km ENE of Puyo, Ecuador
A magnitude 4.7 earthquake struck 39 km ENE of Puyo, Ecuador on Sat, Dec 5, 1981, 11:31 PM GMT-5 (04:31 UTC), 189 km (117 mi) below the surface.
A larger quake followed: M4.9 55 km S of Boca Suno, Ecuador. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1981-12-06 04:31:07 UTC
- Depth
- 189.0 km (117.4 mi), intermediate-depth
- Epicenter
- 1.400° S, 77.654° 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 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 usp0001h9c. Read Tue, Sep 22, 2026, 8:25 PM UTC.