M4.6 earthquake 68 km SW of San Antonio, Chile
A magnitude 4.6 earthquake struck 68 km SW of San Antonio, Chile on Fri, Apr 24, 1987, 4:46 AM GMT-4 (08:46 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-04-24 08:46:27 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 34.012° S, 72.158° 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 1.6 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.856 km WSW of San Antonio, Chile · 14385 days ago · 31 km deep · 32 km away
- 3.630 km SSW of San Antonio, Chile · 14356 days ago · 22 km deep · 40 km away
Before
- 4.578 km WSW of San Antonio, Chile · 14405 days ago · 33 km deep · 19 km away
- 4.857 km WSW of San Antonio, Chile · 14411 days ago · 58 km deep · 29 km away
- 3.7117 km W of Cartagena, Chile · 14412 days ago · 33 km deep · 89 km away
- 4.114 km ESE of San Antonio, Chile · 14425 days ago · 61 km deep · 78 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00034e8. Read Thu, Oct 1, 2026, 5:33 PM UTC.