M5.9 earthquake 224 km N of Puerto Ayora, Ecuador
A magnitude 5.9 earthquake struck 224 km N of Puerto Ayora, Ecuador on Mon, Jul 27, 1931, 10:28 AM GMT-6 (16:28 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.9 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1931-07-27 16:28:57 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 1.255° N, 90.694° 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.
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.9 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
Earthquakes todayEcuador earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem906897. Read Sat, Oct 3, 2026, 6:30 AM UTC.