M5.7 earthquake 74 km SW of San Antonio, Chile
A magnitude 5.7 earthquake struck 74 km SW of San Antonio, Chile on Mon, Sep 14, 1970, 11:36 AM GMT-4 (15:36 UTC), 25 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1970-09-14 15:36:51 UTC
- Depth
- 25.2 km (15.7 mi), shallow
- Epicenter
- 34.001° S, 72.251° W
- Region
- Chile
- Strongest shaking
- V, moderate shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 6.5% of gravity
- Peak ground velocity
- 1.1 cm/s
- Map
- Automatic

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
- ±0.30
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem792002. Read Thu, Oct 1, 2026, 11:01 AM UTC.