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Chile

M3.4 Earthquake near OFFSHORE BIO-BIO, CHILE (Chile)

UTC time: 2025-09-27 13:23:51 UTC Local time: —

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About this earthquake

On September 27, 2025 at 13:23 UTC, a magnitude M3.4 earthquake occurred near OFFSHORE BIO-BIO, CHILE (Chile). The hypocenter lay relatively close to the surface at around 28 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Chile: over the past 24 hours, QuakeMap24 logged 28 earthquakes, the strongest at M4.3.

Details

ID
64d26301d2522b4103ffc9e33b152c0183051d68
Magnitude
M3.4
Depth
28.1 km
UTC time
2025-09-27 13:23:51 UTC
Local time
—
Country
Chile
Source
emsc
Coordinates
-36.15000, -72.95000
Temperature
11.1°C

Depth profile

Depth profile Depth: 28.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 28.1 km
Shallow
28.1 km
28.1 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

  • Longavi, Nevado de
    Distance: 160 km ·Stratovolcano ·Elevation: 3'175 m ·Last eruption: -4890 ·Chile
  • Chillan, Nevados de
    Distance: 162 km ·Stratovolcano ·Elevation: 3'180 m ·Last eruption: 2022 ·Chile
  • Blancas, Lomas
    Distance: 175 km ·Stratovolcano ·Elevation: 2'268 m ·Chile
  • Resago, Volcan
    Distance: 187 km ·Pyroclastic cone ·Elevation: 1'890 m ·Chile
  • San Pedro-Pellado
    Distance: 190 km ·Stratovolcano(es) ·Elevation: 3'621 m ·Chile
  • Antuco
    Distance: 200 km ·Stratovolcano ·Elevation: 2'979 m ·Last eruption: 1869 ·Chile

Chile

Context for this earthquake

10 Sep 2025 – 10 Sep 2026 · M ≥ 3.0 · 2,746 Catalogue entries

Of 2,745 other entries for this area and period, 1,074 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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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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