M4.6 earthquake 107 km WSW of San Antonio, Chile
A magnitude 4.6 earthquake struck 107 km WSW of San Antonio, Chile on Wed, May 29, 1985, 12:45 PM GMT-4 (16:45 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 34 km WNW of Cartagena, 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), light
- Local time
- UTC
- 1985-05-29 16:45:15 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 34.055° S, 72.631° 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: 14 in the 60 days after this one and 12 in the 30 days before it.
After
- 3.990 km W of San Antonio, Chile · 15086 days ago · 33 km deep · 43 km away
- 4.650 km SW of Valparaíso, Chile · 15083 days ago · 33 km deep · 99 km away
- 3.964 km WNW of Cartagena, Chile · 15081 days ago · 27 km deep · 80 km away
- 4.461 km W of San Antonio, Chile · 15073 days ago · 33 km deep · 57 km away
- 5.134 km WNW of Cartagena, Chile · 15066 days ago · 33 km deep · 96 km away
- 5.557 km WNW of Cartagena, Chile · 15056 days ago · 33 km deep · 78 km away
- 4.568 km WNW of Cartagena, Chile · 15056 days ago · 33 km deep · 77 km away
- 5.553 km WNW of Cartagena, Chile · 15055 days ago · 40 km deep · 86 km away
- 4.365 km W of Cartagena, Chile · 15055 days ago · 33 km deep · 68 km away
- 4.865 km W of Cartagena, Chile · 15055 days ago · 33 km deep · 72 km away
- 4.769 km WNW of Cartagena, Chile · 15054 days ago · 29 km deep · 77 km away
- 4.570 km W of Cartagena, Chile · 15049 days ago · 33 km deep · 62 km away
- 4.979 km WSW of Valparaíso, Chile · 15047 days ago · 33 km deep · 87 km away
- 4.698 km W of Cartagena, Chile · 15041 days ago · 33 km deep · 68 km away
Before
- 4.661 km WNW of Cartagena, Chile · 15098 days ago · 56 km deep · 90 km away
- 4.569 km WNW of Cartagena, Chile · 15098 days ago · 33 km deep · 79 km away
- 4.638 km W of San Antonio, Chile · 15101 days ago · 33 km deep · 75 km away
- 4.953 km W of Cartagena, Chile · 15102 days ago · 33 km deep · 75 km away
- 4.678 km WSW of San Antonio, Chile · 15103 days ago · 33 km deep · 32 km away
- 4.982 km WSW of San Antonio, Chile · 15103 days ago · 33 km deep · 26 km away
- 5.671 km WSW of San Antonio, Chile · 15103 days ago · 33 km deep · 36 km away
- 4.583 km WSW of San Antonio, Chile · 15103 days ago · 33 km deep · 24 km away
- 4.7136 km NNW of Constitución, Chile · 15104 days ago · 33 km deep · 59 km away
- 5.4109 km WNW of Santa Cruz, Chile · 15105 days ago · 33 km deep · 28 km away
- 4.7Off the coast of Valparaiso, Chile · 15110 days ago · 33 km deep · 71 km away
- 4.190 km N of Constitución, Chile · 15119 days ago · 33 km deep · 53 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002fae. Read Thu, Sep 24, 2026, 6:16 AM UTC.