M4.7 earthquake 29 km WSW of Montecristi, Ecuador
A magnitude 4.7 earthquake struck 29 km WSW of Montecristi, Ecuador on Sat, May 14, 1977, 4:16 AM GMT-5 (09:16 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 45 km SW of Jipijapa, 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
- 1977-05-14 09:16:02 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 1.194° S, 80.881° 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
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.739 km WSW of Jipijapa, Ecuador · 18021 days ago · 33 km deep · 34 km away
- 5.045 km SW of Jipijapa, Ecuador · 18021 days ago · 48 km deep · 44 km away
- 4.351 km WSW of Jipijapa, Ecuador · 18021 days ago · 37 km deep · 45 km away
- 4.432 km WSW of Jipijapa, Ecuador · 18020 days ago · 65 km deep · 33 km away
- 5.148 km NW of Salinas, Ecuador · 18016 days ago · 10 km deep · 81 km away
Before
- 4.937 km WSW of Manta, Ecuador · 18031 days ago · 52 km deep · 15 km away
- 4.837 km SW of Montecristi, Ecuador · 18033 days ago · 41 km deep · 8 km away
- 5.152 km SW of Manta, Ecuador · 18034 days ago · 42 km deep · 24 km away
- 5.150 km WSW of Montecristi, Ecuador · 18034 days ago · 27 km deep · 22 km away
Earthquakes todayEcuador earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000nw2. Read Tue, Sep 22, 2026, 9:57 AM UTC.