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Chile · Antofagasta Region

M3.5 Earthquake near Calama, Antofagasta Region (Chile)

UTC time: 2026-09-21 20:28:41 UTC Local time: —

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About this earthquake

On September 21, 2026 at 20:28 UTC, a magnitude M3.5 earthquake occurred near Calama, Antofagasta Region (Chile). The earthquake originated at an intermediate depth of about 140 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Chile: over the past 24 hours, QuakeMap24 logged 29 earthquakes, the strongest at M4.8.

Details

ID
9d64eed10207ebdde215f3d0159e40f7cb17ffb7
Magnitude
M3.5
Depth
139.6 km
UTC time
2026-09-21 20:28:41 UTC
Local time
—
Country
Chile
State
Antofagasta Region
City
Calama
County
Provincia de El Loa
Source
emsc
Coordinates
-21.57000, -68.51000
Temperature
5.0°C

Depth profile

Depth profile Depth: 139.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 139.6 km
Intermediate
139.6 km
139.6 km — deeper than the regional average (99.5 km)
Regional average: 99.5 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

  • Olca-Paruma
    Distance: 71 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia
  • Irruputuncu
    Distance: 93 km ·Stratovolcano ·Elevation: 5'163 m ·Last eruption: 1995 ·Chile-Bolivia
  • Putana
    Distance: 129 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Sairecabur
    Distance: 143 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Licancabur
    Distance: 154 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Guayaques
    Distance: 176 km ·Lava dome(s) ·Elevation: 5'598 m ·Chile-Bolivia

Antofagasta Region

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 468 Catalogue entries

Of 467 other entries for this area and period, 109 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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Country statistics · Chile

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

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