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Chile

M4.2 Earthquake near OFFSHORE BIO-BIO, CHILE (Chile)

UTC time: 2025-10-30 01:08:20 UTC Local time: —

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About this earthquake

On October 30, 2025 at 01:08 UTC, a magnitude M4.2 earthquake occurred near OFFSHORE BIO-BIO, CHILE (Chile). The hypocenter lay relatively close to the surface at around 37 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by EMSC. Chile: 22 earthquakes were recorded in the past 24 hours, the strongest reaching M4.2.

Details

ID
ab1d8b0c0081e3f40d961f2dea723e20cdaefb2a
Magnitude
M4.2
Depth
36.8 km
UTC time
2025-10-30 01:08:20 UTC
Local time
—
Country
Chile
Source
emsc
Coordinates
-37.01000, -73.48000
Temperature
13.2°C

Depth profile

Depth profile Depth: 36.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 36.8 km
Shallow
36.8 km
36.8 km — shallower than the regional average (99.4 km)
Regional average: 99.4 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: 187 km ·Stratovolcano ·Elevation: 3'180 m ·Last eruption: 2022 ·Chile
  • Antuco
    Distance: 194 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile
  • Callaqui
    Distance: 206 km ·Stratovolcano ·Elevation: 3'099 m ·Last eruption: 1980 ·Chile
  • Tolhuaca
    Distance: 217 km ·Stratovolcano ·Elevation: 2'739 m ·Last eruption: -4000 ·Chile
  • Copahue
    Distance: 224 km ·Stratovolcano ·Elevation: 2'953 m ·Last eruption: 2024 ·Chile-Argentina
  • Longavi, Nevado de
    Distance: 226 km ·Stratovolcano ·Elevation: 3'175 m ·Last eruption: -4890 ·Chile

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Carriel Sur International AirportChile · CCP · SCIE
    45.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-09

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Chile

Context for this earthquake

09 Sep 2025 – 09 Sep 2026 · M ≥ 3.0 · 2,742 Catalogue entries

Of 2,741 other entries for this area and period, 286 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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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