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M3.5 Depth: 23.2 km

M3.5 Earthquake near OFFSHORE BIO-BIO, CHILE (Chile)

UTC time: 2025-10-30 02:16:40 UTC Local time: —

About this earthquake

On October 30, 2025 at 02:16 UTC, a magnitude M3.5 earthquake occurred near OFFSHORE BIO-BIO, CHILE (Chile). With a focal depth of about 23 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Chile: 30 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M3.5
Depth
23.2 km
UTC time
2025-10-30 02:16:40 UTC
Local time
—
Country
Chile
Source
emsc
Coordinates
-37.11000, -73.85000
Temperature
13.4°C

Map

Depth profile

Depth profile Depth: 23.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23.2 km
Shallow
23.2 km
23.2 km — shallower than the regional average (99.1 km)
Regional average: 99.1 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Chillan, Nevados de
    Distance: 221 km ·Stratovolcano ·Elevation: 3'180 m ·Last eruption: 2022 ·Chile
  • Antuco
    Distance: 224 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile
  • Callaqui
    Distance: 231 km ·Stratovolcano ·Elevation: 3'099 m ·Last eruption: 1980 ·Chile
  • Tolhuaca
    Distance: 235 km ·Stratovolcano ·Elevation: 2'739 m ·Last eruption: -4000 ·Chile
  • Lonquimay
    Distance: 244 km ·Stratovolcano ·Elevation: 2'832 m ·Last eruption: 1990 ·Chile
  • Copahue
    Distance: 250 km ·Stratovolcano ·Elevation: 2'953 m ·Last eruption: 2024 ·Chile-Argentina

Historic earthquake map · Chile

Open history map
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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