M4.9 earthquake 37 km WSW of Manta, Ecuador
A magnitude 4.9 earthquake struck 37 km WSW of Manta, Ecuador on Tue, May 10, 1977, 6:56 PM GMT-5 (23:56 UTC), 52 km (32 mi) below the surface.
A larger quake followed: M5.1 48 km NW of Salinas, 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
- 1977-05-10 23:56:32 UTC
- Depth
- 52.0 km (32.3 mi), shallow
- Epicenter
- 1.132° S, 81.005° 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
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 6 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.729 km WSW of Montecristi, Ecuador · 18036 days ago · 33 km deep · 15 km away
- 4.739 km WSW of Jipijapa, Ecuador · 18029 days ago · 33 km deep · 42 km away
- 5.045 km SW of Jipijapa, Ecuador · 18029 days ago · 48 km deep · 52 km away
- 4.351 km WSW of Jipijapa, Ecuador · 18029 days ago · 37 km deep · 51 km away
- 4.432 km WSW of Jipijapa, Ecuador · 18028 days ago · 65 km deep · 44 km away
- 5.148 km NW of Salinas, Ecuador · 18024 days ago · 10 km deep · 83 km away
Before
Earthquakes todayEcuador earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000nu5. Read Wed, Sep 30, 2026, 12:19 PM UTC.