M4.0 earthquake 70 km WSW of San Antonio, Chile
A magnitude 4.0 earthquake struck 70 km WSW of San Antonio, Chile on Thu, Sep 24, 2015, 6:12 AM GMT-3 (09:12 UTC), 36 km (22 mi) below the surface.
A larger quake followed: M4.4 102 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
- 4.0 (ml), light
- Local time
- UTC
- 2015-09-24 09:12:49 UTC
- Depth
- 35.5 km (22.1 mi), shallow
- Epicenter
- 33.940° S, 72.246° 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.
- Location uncertainty
- About 3.4 km horizontally, 9.8 km in depth
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.336 km SW of San Antonio, Chile · 4013 days ago · 36 km deep · 34 km away · felt by 1
- 4.272 km WNW of Cartagena, Chile · 4004 days ago · 20 km deep · 62 km away
- 4.289 km SW of San Antonio, Chile · 4003 days ago · 12 km deep · 20 km away
- 4.4102 km WNW of Cartagena, Chile · 4002 days ago · 10 km deep · 76 km away
- 4.143 km W of Santa Cruz, Chile · 3987 days ago · 42 km deep · 92 km away
- 4.181 km WNW of Cartagena, Chile · 3979 days ago · 17 km deep · 71 km away
- 4.373 km N of Constitución, Chile · 3970 days ago · 10 km deep · 87 km away
Before
- 4.448 km W of Valparaíso, Chile · 4025 days ago · 12 km deep · 98 km away · felt by 1
- 4.343 km W of Valparaíso, Chile · 4026 days ago · 25 km deep · 97 km away
- 4.434 km S of Melipilla, Chile · 4027 days ago · 71 km deep · 97 km away
- 4.443 km WSW of San Antonio, Chile · 4031 days ago · 18 km deep · 28 km away
- 4.369 km W of San Antonio, Chile · 4044 days ago · 35 km deep · 29 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20003nm1. Read Mon, Sep 28, 2026, 11:47 AM UTC.