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Chile · Valparaiso Region

M3.4 Earthquake near Petorca, Valparaiso Region (Chile)

UTC time: 2026-10-17 06:43:04 UTC Local time: —

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About this earthquake

On October 17, 2026 at 06:43 UTC, a magnitude M3.4 earthquake occurred near Petorca, Valparaiso Region (Chile). The earthquake originated at an intermediate depth of about 93 km. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Chile: over the past 24 hours, QuakeMap24 logged 27 earthquakes, the strongest at M3.7.

Details

ID
ca7f63b23a3c890577d6f30831d1357fb487ebc4
Magnitude
M3.4
Depth
93.1 km
UTC time
2026-10-17 06:43:04 UTC
Local time
—
Country
Chile
State
Valparaiso Region
City
Petorca
County
Provincia de Petorca
Source
emsc
Coordinates
-32.16000, -70.53000
Temperature
-9.1°C

Depth profile

Depth profile Depth: 93.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 93.1 km
Intermediate
93.1 km
93.1 km — close to 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: 156 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 191 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 232 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Palomo
    Distance: 273 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Atuel, Caldera del
    Distance: 276 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Tinguiririca
    Distance: 296 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

Chile

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 2,749 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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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