3.4
Earthquake details: Antofagasta, Chile
Oct 18, 2026, 00:44:10
- Depth
- 120.5 km
- Felt reports
- No data
Source: EMSCUpdated: Oct 18, 2026, 12:49 AM UTC
A magnitude 3.4 earthquake occurred on Oct 18, 2026 at 00:44:10. Epicenter: Antofagasta, Chile. Reported depth: 120.5 km.
Tsunami information
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Time & depth
- Local time
- Oct 17, 2026, 21:44:10 GMT-3
- UTC
- Oct 18, 2026, 00:44:10 UTC
120.5 km · Intermediate-focus
Between 70 and 300 km deep.
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Nearby major cities
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- EMSCml 3.4
emsc:20261018_0000008
- Depth:
- 120.5 km
- Time:
- Updated:
- Oct 18, 2026, 12:49 AM UTC
Technical Details
Depth120.5 km
SignificanceNo data
Latitude-21.8300
Longitude-68.6800
Event IDemsc:20261018_0000008
Magnitude3.4
Updated:Oct 18, 2026, 00:49:30 UTC
Regional Seismicity
External Resources
Related tools
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 18, 2026, 00:49 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0.
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).