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Chile · Antofagasta Region

M3.4 Earthquake near Calama, Antofagasta Region (Chile)

UTC time: 2026-07-31 17:58:35 UTC Local time: —

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About this earthquake

On July 31, 2026 at 17:58 UTC, a magnitude M3.4 earthquake occurred near Calama, Antofagasta Region (Chile). The earthquake originated at an intermediate depth of about 76 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Chile: 24 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
ae0ca916bd1f0cd54a0c469be58349ce63e943d5
Magnitude
M3.4
Depth
75.9 km
UTC time
2026-07-31 17:58:35 UTC
Local time
—
Country
Chile
State
Antofagasta Region
City
Calama
County
Provincia de El Loa
Source
emsc
Coordinates
-22.31000, -68.86000
Temperature
18.8°C

Depth profile

Depth profile Depth: 75.9 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 75.9 km
Intermediate
75.9 km
75.9 km — shallower than the regional average (99.6 km)
Regional average: 99.6 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Putana
    Distance: 107 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Sairecabur
    Distance: 109 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Licancabur
    Distance: 116 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Purico Complex
    Distance: 137 km ·Shield(pyroclastic) ·Elevation: 5'703 m ·Chile
  • Guayaques
    Distance: 148 km ·Lava dome(s) ·Elevation: 5'598 m ·Chile-Bolivia
  • Olca-Paruma
    Distance: 159 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • El Loa AirportChile · CJC · SCCF
    21.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-22

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Antofagasta Region

Context for this earthquake

22 Sep 2025 – 22 Sep 2026 · M ≥ 3.0 · 471 Catalogue entries

Of 470 other entries for this area and period, 131 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Chile

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Chile

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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