M4.3 earthquake 55 km ESE of Cayambe, Ecuador
A magnitude 4.3 earthquake struck 55 km ESE of Cayambe, Ecuador on Sat, Mar 7, 1987, 2:16 PM GMT-5 (19:16 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.8 33 km SE of Cayambe, 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
- 1987-03-07 19:16:32 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 0.208° S, 77.716° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.770 km WNW of Puerto Francisco de Orellana, Ecuador · 14446 days ago · 10 km deep · 22 km away
- 4.833 km SE of Cayambe, Ecuador · 14443 days ago · 10 km deep · 26 km away
- 4.740 km SSE of Cayambe, Ecuador · 14443 days ago · 10 km deep · 27 km away
- 4.757 km SE of Cayambe, Ecuador · 14443 days ago · 10 km deep · 7 km away
- 4.343 km ESE of Cayambe, Ecuador · 14437 days ago · 10 km deep · 14 km away
- 3.744 km ESE of Cayambe, Ecuador · 14429 days ago · 10 km deep · 19 km away
Before
- 4.741 km W of Nueva Loja, Ecuador · 14447 days ago · 10 km deep · 63 km away
- 4.968 km ESE of Cayambe, Ecuador · 14447 days ago · 12 km deep · 18 km away
- 6.024 km E of Cayambe, Ecuador · 14447 days ago · 9 km deep · 35 km away
- 5.258 km E of Cayambe, Ecuador · 14447 days ago · 10 km deep · 20 km away
- 5.567 km ESE of Cayambe, Ecuador · 14447 days ago · 10 km deep · 13 km away
- 7.229 km SSE of Pimampiro, Ecuador · 14447 days ago · 10 km deep · 42 km away
- 6.449 km SE of Pimampiro, Ecuador · 14447 days ago · 14 km deep · 29 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000332x. Read Thu, Sep 24, 2026, 10:39 AM UTC.