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Chile · Valparaiso Region

M3.2 Earthquake near Petorca, Valparaiso Region (Chile)

UTC time: 2026-08-04 09:33:21 UTC Local time: —

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About this earthquake

On August 4, 2026 at 09:33 UTC, a magnitude M3.2 earthquake occurred near Petorca, Valparaiso Region (Chile). The earthquake originated at an intermediate depth of about 73 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Chile: 24 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
aaa8ea05ec2c28b2176fe77bebc0a8098e62cedc
Magnitude
M3.2
Depth
72.5 km
UTC time
2026-08-04 09:33:21 UTC
Local time
—
Country
Chile
State
Valparaiso Region
City
Petorca
County
Provincia de Petorca
Source
emsc
Coordinates
-32.18000, -70.92000
Temperature
12.9°C

Depth profile

Depth profile Depth: 72.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 72.5 km
Intermediate
72.5 km
72.5 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

  • Tupungatito
    Distance: 174 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 203 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 243 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Palomo
    Distance: 276 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Atuel, Caldera del
    Distance: 284 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Tinguiririca
    Distance: 298 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

Chile

Context for this earthquake

22 Sep 2025 – 22 Sep 2026 · M ≥ 3.0 · 2,757 Catalogue entries

Of 2,756 other entries for this area and period, 1,562 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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