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Chile · Atacama Region

M3.9 Earthquake near Tierra Amarilla, Atacama Region (Chile)

UTC time: 2026-07-29 09:04:19 UTC Local time: —
Magnitude
M3.9
Depth
140.0 km
Source
EMSC

Atacama Region · Tierra Amarilla

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About this earthquake

On July 29, 2026 at 09:04 UTC, a magnitude M3.9 earthquake occurred near Tierra Amarilla, Atacama Region (Chile). At around 140 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Chile: 28 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
deca85cdaab9a2ff49a13004780b8e8b07985577
Magnitude
M3.9
Depth
140.0 km
UTC time
2026-07-29 09:04:19 UTC
Local time
—
Country
Chile
State
Atacama Region
City
Tierra Amarilla
County
Provincia de Copiapó
Source
emsc
Coordinates
-27.99000, -69.42000
Temperature
-8.2°C

Depth profile

Depth profile Depth: 140 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 140 km
Intermediate
140 km
140 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

Felt reports

1felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Jul 29, 2026, 12:36 PM UTC · Last checked: Sep 6, 2026, 12:18 PM UTC

Source: EMSC / LastQuake

Volcanoes nearby

  • Solo, El
    Distance: 121 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Tipas
    Distance: 122 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Ojos del Salado, Nevados
    Distance: 131 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Incahuasi, Nevado de
    Distance: 154 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Falso Azufre
    Distance: 168 km ·Complex ·Elevation: 5'906 m ·Chile-Argentina
  • Condor, El
    Distance: 184 km ·Stratovolcano ·Elevation: 6'373 m ·Argentina

Atacama Region

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 45 Catalogue entries

Of 44 other entries for this area and period, 8 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

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

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