Chile earthquakes

M4.4 earthquake 43 km WSW of San Antonio, Chile

A magnitude 4.4 earthquake struck 43 km WSW of San Antonio, Chile on Tue, Sep 15, 2015, 12:28 PM GMT-3 (15:28 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.6 Off the coast of Valparaiso, Chile. This one was a foreshock.

San Antonio forecastMore in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.4 (mb), light
Local time
UTC
2015-09-15 15:28:57 UTC
Depth
17.6 km (10.9 mi), shallow
Epicenter
33.756° S, 72.038° 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 3.6 km horizontally, 4.4 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
143°
Stations used
47

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.434 km S of Melipilla, Chile · 4021 days ago · 71 km deep · 82 km away
  2. 4.343 km W of Valparaíso, Chile · 4021 days ago · 25 km deep · 76 km away
  3. 4.040 km W of Valparaíso, Chile · 4020 days ago · 17 km deep · 79 km away
  4. 4.448 km W of Valparaíso, Chile · 4019 days ago · 12 km deep · 78 km away · felt by 1
  5. 4.326 km SSE of Villa Alemana, Chile · 4018 days ago · 49 km deep · 87 km away · felt by 2
  6. 4.070 km WSW of San Antonio, Chile · 4017 days ago · 36 km deep · 28 km away
  7. 4.351 km W of Valparaíso, Chile · 4012 days ago · 19 km deep · 83 km away · felt by 2
  8. 4.145 km W of Valparaíso, Chile · 4011 days ago · 23 km deep · 80 km away · felt by 1
  9. 4.6Off the coast of Valparaiso, Chile · 4011 days ago · 15 km deep · 83 km away · felt by 1
  10. 4.336 km SW of San Antonio, Chile · 4008 days ago · 36 km deep · 12 km away · felt by 1
  11. 4.272 km WNW of Cartagena, Chile · 3998 days ago · 20 km deep · 51 km away
  12. 4.289 km SW of San Antonio, Chile · 3998 days ago · 12 km deep · 48 km away
  13. 4.4102 km WNW of Cartagena, Chile · 3996 days ago · 10 km deep · 75 km away
  14. 4.181 km WNW of Cartagena, Chile · 3973 days ago · 17 km deep · 61 km away

Before

  1. 4.369 km W of San Antonio, Chile · 4039 days ago · 35 km deep · 30 km away · felt by 2

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003jm7. Read Tue, Sep 22, 2026, 9:24 PM UTC.