M3.9 earthquake 14 km W of Tena, Ecuador
A magnitude 3.9 earthquake struck 14 km W of Tena, Ecuador on Sat, Sep 26, 1987, 9:58 AM GMT-5 (14:58 UTC), 58 km (36 mi) below the surface.
A larger quake followed: M4.4 21 km SW of Tena, Ecuador. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1987-09-26 14:58:43 UTC
- Depth
- 57.6 km (35.8 mi), shallow
- Epicenter
- 1.014° S, 77.944° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 3 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 usp00038r5. Read Tue, Sep 22, 2026, 9:31 PM UTC.