4.3

Earthquake Details: 31 km ESE of Puente Alto, Chile

Oct 12, 2026, 10:29:00

Depth
107.176 km
Felt reports
No data
Source: USGSUpdated: Oct 13, 2026, 12:18 PM UTC

A magnitude 4.3 earthquake occurred on Oct 12, 2026 at 10:29:00. Epicenter: 31 km ESE of Puente Alto, Chile. Reported depth: 107.176 km.

Status: Reviewed
Tsunami information

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Time & depth

Local time
Oct 12, 2026, 07:29:00 GMT-3
UTC
Oct 12, 2026, 10:29:00 UTC
107.176 km · Intermediate-focus

Between 70 and 300 km deep.

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Nearby major cities

Puente Alto
31 km W
La Pintana
37 km W
San Bernardo
43 km W
Buin
45 km W
Nearby earthquakes · 12
M3.8off the coast of Maule, ChileAfterM3.0off the coast of Valparaiso, ChileAfterM3.0Coquimbo, ChileAfterM3.4San Juan, ArgentinaAfterM3.0Region Metropolitana, ChileAfterM3.3Coquimbo, ChileAfterM3.3off the coast of Valparaiso, ChileAfterM3.1San Luis, ArgentinaAfterM3.4Offshore Bio-Bio, ChileAfterM3.1Offshore Coquimbo, ChileAfterM3.4off the coast of Valparaiso, ChileAfterM3.5San Juan, ArgentinaAfter

Agency measurements

Agencies may use different observations and magnitude scales, and initial estimates can change.

  • USGSmb 4.3

    us6000u1r8

    Depth:
    107.18 km
    Status:
    Reviewed
    Time:
    Updated:
    Oct 13, 2026, 12:18 PM UTC

Technical Details

Depth107.176 km
Significance284
Latitude-33.7025
Longitude-70.2587
Event IDus6000u1r8
Magnitude4.3
Updated:Oct 13, 2026, 12:18:46 UTC

Regional Seismicity

View recent seismic activity near this event:

ChileSantiago MetropolitanPuente Alto (Nearest City)

External Resources

View on USGS Official Site

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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Oct 13, 2026, 12:18 UTC.

Data sources: