M4.1 earthquake 90 km N of Constitución, Chile
A magnitude 4.1 earthquake struck 90 km N of Constitución, Chile on Fri, May 3, 1985, 10:04 AM GMT-4 (14:04 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.4 109 km WNW of Santa Cruz, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 1985-05-03 14:04:18 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 34.522° S, 72.494° 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: 8 in the 60 days after this one and 12 in the 30 days before it.
After
- 5.4109 km WNW of Santa Cruz, Chile · 15104 days ago · 33 km deep · 28 km away
- 4.7136 km NNW of Constitución, Chile · 15103 days ago · 33 km deep · 70 km away
- 4.583 km WSW of San Antonio, Chile · 15102 days ago · 33 km deep · 61 km away
- 5.671 km WSW of San Antonio, Chile · 15102 days ago · 33 km deep · 72 km away
- 4.982 km WSW of San Antonio, Chile · 15102 days ago · 33 km deep · 61 km away
- 4.678 km WSW of San Antonio, Chile · 15102 days ago · 33 km deep · 77 km away
- 4.6107 km WSW of San Antonio, Chile · 15092 days ago · 33 km deep · 53 km away
- 3.990 km W of San Antonio, Chile · 15085 days ago · 33 km deep · 95 km away
Before
- 4.342 km WSW of San Antonio, Chile · 15130 days ago · 33 km deep · 92 km away
- 4.664 km W of San Antonio, Chile · 15130 days ago · 33 km deep · 98 km away
- 4.684 km WSW of San Antonio, Chile · 15133 days ago · 33 km deep · 64 km away
- 4.297 km WSW of San Antonio, Chile · 15135 days ago · 33 km deep · 56 km away
- 4.571 km SW of San Antonio, Chile · 15136 days ago · 33 km deep · 61 km away
- 4.562 km W of San Antonio, Chile · 15136 days ago · 33 km deep · 100 km away
- 4.855 km SW of San Antonio, Chile · 15137 days ago · 33 km deep · 76 km away
- 3.379 km SW of San Antonio, Chile · 15138 days ago · 33 km deep · 60 km away
- 3.272 km WSW of San Antonio, Chile · 15139 days ago · 33 km deep · 66 km away
- 4.066 km SW of San Antonio, Chile · 15140 days ago · 33 km deep · 70 km away
- 4.274 km WSW of San Antonio, Chile · 15141 days ago · 33 km deep · 66 km away
- 7.259 km S of San Antonio, Chile · 15142 days ago · 38 km deep · 91 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002ee6. Read Wed, Sep 23, 2026, 6:05 AM UTC.