M3.9 earthquake 90 km W of San Antonio, Chile
A magnitude 3.9 earthquake struck 90 km W of San Antonio, Chile on Tue, Jun 4, 1985, 9:15 PM GMT-4 (01:15 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 50 km SW of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1985-06-05 01:15:26 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 33.670° S, 72.580° 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: 22 in the 60 days after this one and 14 in the 30 days before it.
After
- 4.650 km SW of Valparaíso, Chile · 15083 days ago · 33 km deep · 63 km away
- 5.333 km SW of Valparaíso, Chile · 15082 days ago · 37 km deep · 80 km away
- 3.964 km WNW of Cartagena, Chile · 15082 days ago · 27 km deep · 42 km away
- 4.461 km W of San Antonio, Chile · 15073 days ago · 33 km deep · 29 km away
- 5.134 km WNW of Cartagena, Chile · 15066 days ago · 33 km deep · 66 km away
- 5.557 km WNW of Cartagena, Chile · 15056 days ago · 33 km deep · 42 km away
- 4.568 km WNW of Cartagena, Chile · 15056 days ago · 33 km deep · 38 km away
- 5.553 km WNW of Cartagena, Chile · 15055 days ago · 40 km deep · 50 km away
- 4.365 km W of Cartagena, Chile · 15055 days ago · 33 km deep · 31 km away
- 4.865 km W of Cartagena, Chile · 15055 days ago · 33 km deep · 34 km away
- 4.769 km WNW of Cartagena, Chile · 15055 days ago · 29 km deep · 37 km away
- 6.042 km WNW of Valparaíso, Chile · 15054 days ago · 31 km deep · 93 km away
- 4.769 km W of Valparaíso, Chile · 15054 days ago · 10 km deep · 76 km away
- 4.6Off the coast of Valparaiso, Chile · 15054 days ago · 10 km deep · 83 km away
- 4.520 km WSW of Valparaíso, Chile · 15054 days ago · 33 km deep · 93 km away
- 4.454 km WNW of Valparaíso, Chile · 15052 days ago · 33 km deep · 90 km away
- 5.545 km W of Valparaíso, Chile · 15050 days ago · 29 km deep · 88 km away
- 3.574 km W of Valparaíso, Chile · 15050 days ago · 33 km deep · 73 km away
- 4.570 km W of Cartagena, Chile · 15049 days ago · 33 km deep · 25 km away
- 4.979 km WSW of Valparaíso, Chile · 15047 days ago · 33 km deep · 44 km away
- 5.129 km W of Valparaíso, Chile · 15043 days ago · 33 km deep · 89 km away
- 4.698 km W of Cartagena, Chile · 15041 days ago · 33 km deep · 26 km away
Before
- 3.539 km WSW of Valparaíso, Chile · 15090 days ago · 33 km deep · 74 km away
- 4.6107 km WSW of San Antonio, Chile · 15093 days ago · 33 km deep · 43 km away
- 4.661 km WNW of Cartagena, Chile · 15098 days ago · 56 km deep · 51 km away
- 4.569 km WNW of Cartagena, Chile · 15099 days ago · 33 km deep · 39 km away
- 4.638 km W of San Antonio, Chile · 15101 days ago · 33 km deep · 52 km away
- 4.953 km W of Cartagena, Chile · 15102 days ago · 33 km deep · 42 km away
- 4.678 km WSW of San Antonio, Chile · 15103 days ago · 33 km deep · 25 km away
- 4.982 km WSW of San Antonio, Chile · 15103 days ago · 33 km deep · 41 km away
- 5.671 km WSW of San Antonio, Chile · 15103 days ago · 33 km deep · 37 km away
- 4.583 km WSW of San Antonio, Chile · 15103 days ago · 33 km deep · 39 km away
- 4.7136 km NNW of Constitución, Chile · 15104 days ago · 33 km deep · 89 km away
- 5.4109 km WNW of Santa Cruz, Chile · 15105 days ago · 33 km deep · 68 km away
- 4.942 km W of Valparaíso, Chile · 15108 days ago · 33 km deep · 81 km away
- 4.7Off the coast of Valparaiso, Chile · 15110 days ago · 33 km deep · 49 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002fht. Read Thu, Sep 24, 2026, 8:55 AM UTC.