M4.8 earthquake 264 km NNW of Puerto Ayora, Ecuador
A magnitude 4.8 earthquake struck 264 km NNW of Puerto Ayora, Ecuador on Fri, Sep 17, 1982, 12:43 AM GMT-6 (06:43 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.0 256 km NNW of Puerto Ayora, Ecuador. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1982-09-17 06:43:21 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 1.559° N, 90.957° 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
- OPERATOR_ASSIGNED
Nearby
Within 100 km, magnitude 1.8 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 usp0001pns. Read Fri, Oct 2, 2026, 10:45 PM UTC.