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Chile · Biobio Region

M3.3 Earthquake near Quilleco, Biobio Region (Chile)

UTC time: 2026-08-18 17:07:54 UTC Local time: —

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About this earthquake

A magnitude M3.3 earthquake was recorded near Quilleco, Biobio Region (Chile) on August 18, 2026 at 17:07 UTC. At around 85 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: 21 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
43f7f56e69e21e266088dea32f21652e0582503c
Magnitude
M3.3
Depth
84.9 km
UTC time
2026-08-18 17:07:54 UTC
Local time
—
Country
Chile
State
Biobio Region
City
Quilleco
County
Provincia de Bío-Bío
Source
emsc
Coordinates
-37.33000, -72.08000
Temperature
14.9°C

Depth profile

Depth profile Depth: 84.9 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 84.9 km
Intermediate
84.9 km
84.9 km — close to the regional average (99.7 km)
Regional average: 99.7 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

  • Antuco
    Distance: 65 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile
  • Chillan, Nevados de
    Distance: 81 km ·Stratovolcano ·Elevation: 3'180 m ·Last eruption: 2022 ·Chile
  • Callaqui
    Distance: 87 km ·Stratovolcano ·Elevation: 3'099 m ·Last eruption: 1980 ·Chile
  • Copahue
    Distance: 98 km ·Stratovolcano ·Elevation: 2'953 m ·Last eruption: 2024 ·Chile-Argentina
  • Tolhuaca
    Distance: 115 km ·Stratovolcano ·Elevation: 2'739 m ·Last eruption: -4000 ·Chile
  • Lonquimay
    Distance: 124 km ·Stratovolcano ·Elevation: 2'832 m ·Last eruption: 1990 ·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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