M4.5 earthquake 78 km WSW of San Antonio, Chile
A magnitude 4.5 earthquake struck 78 km WSW of San Antonio, Chile on Fri, Apr 24, 1987, 3:30 AM GMT-4 (07:30 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.8 56 km WSW of San Antonio, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-04-24 07:30:58 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 33.945° S, 72.350° W
- Region
- Chile
- 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: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.668 km SW of San Antonio, Chile · 14405 days ago · 33 km deep · 19 km away
- 5.856 km WSW of San Antonio, Chile · 14385 days ago · 31 km deep · 28 km away
- 3.630 km SSW of San Antonio, Chile · 14356 days ago · 22 km deep · 54 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00034e7. Read Thu, Oct 1, 2026, 11:12 AM UTC.