M4.3 earthquake 33 km N of Macas, Ecuador
A magnitude 4.3 earthquake struck 33 km N of Macas, Ecuador on Sun, Sep 10, 1978, 11:21 PM GMT-5 (04:21 UTC), 154 km (96 mi) below the surface.
A larger quake followed: M4.8 14 km ENE of Puyo, Ecuador. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1978-09-11 04:21:56 UTC
- Depth
- 154.0 km (95.7 mi), intermediate-depth
- Epicenter
- 2.007° S, 78.107° 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
- 6
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 0 in the 30 days before it.
After
Earthquakes todayEcuador earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000wg7. Read Tue, Sep 22, 2026, 9:15 PM UTC.