M5.5 earthquake 60 km SW of San Antonio, Chile
A magnitude 5.5 earthquake struck 60 km SW of San Antonio, Chile on Wed, Mar 26, 1986, 3:04 AM GMT-4 (07:04 UTC), 49 km (30 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1986-03-26 07:04:51 UTC
- Depth
- 48.7 km (30.3 mi), shallow
- Epicenter
- 34.022° S, 72.005° W
- Region
- Chile
- Strongest shaking
- IV, light 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
- IV, light shaking
- Peak ground acceleration
- 4.6% of gravity
- Peak ground velocity
- 0.5 cm/s
- Map
- Automatic

Did you feel it?
No one has reported feeling this quake to the USGS.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.756 km WSW of Valparaíso, Chile · 14783 days ago · 33 km deep · 98 km away
- 4.549 km WSW of Valparaíso, Chile · 14779 days ago · 33 km deep · 92 km away
- 4.483 km WSW of Valparaíso, Chile · 14759 days ago · 33 km deep · 99 km away
- 4.265 km SW of San Antonio, Chile · 14756 days ago · 21 km deep · 9 km away
- 4.748 km SSW of San Antonio, Chile · 14756 days ago · 30 km deep · 25 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002sa0 (also filed as gcmtb032686a, gcmt19860326070449, iscgem501933). Read Wed, Sep 30, 2026, 11:04 PM UTC.