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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

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2.8

20 km SE of Alto Hospicio, Chile

22 October 2026, 00:15:50 (+03) 2026-10-21 21:15:50 UTC

2 sources: EMSC, USGS ml
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Magnitude
2.8 ml
Depth
51.0 km
Coordinates
-20.3696, -69.9455
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
15
Last 30 days
60

Approximate energy released

≈ 0.2 t TNT

1.00e+9 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

Did you feel this earthquake?

Your report adds to a community map of where and how this earthquake was felt. It takes less than a minute.

Community reports

Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.

Impact information reported by sources

  • USGS Earthquake Hazards Program Tsunami flag: No Felt reports: 2

These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

80 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 50
  • M3 26
  • M4 4
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 1
  • 20–40 km 14
  • 40–70 km 13
  • 70–150 km 52
  • 150+ km 0

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
TARAPACA, CHILE
 3.0 ml 52.9 km 21:15:49.000 Δt 1 sn · 2.65 km · ΔM +0.2 Original record
USGS Earthquake Hazards Program Displayed
20 km SE of Alto Hospicio, Chile
 2.8 ml 51.0 km 21:15:50.004 Δt 0 sn · 0 km · ΔM 0 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government)

Revision history

  1. 26.10.2026 16:43:17 · USGS · update

    depth: 51.45 → 50.99 latitude: -20.3726 → -20.3696 longitude: -69.9327 → -69.9455 time: 2026-10-21T21:15:50.072+00:00 → 2026-10-21T21:15:50.004+00:00 location: 20 km SW of Pozo Almonte, Chile → 20 km SE of Alto Hospicio, Chile

  2. 26.10.2026 16:43:17 · SISTEM · recompute

    depth: 51.45 → 50.99 latitude: -20.3726 → -20.3696 longitude: -69.9327 → -69.9455 time: 2026-10-21T21:15:50.072Z → 2026-10-21 21:15:50.004+00:00

  3. 23.10.2026 01:56:46 · USGS · update

    depth: 46.36 → 51.45 latitude: -20.3503 → -20.3726 longitude: -69.9156 → -69.9327 time: 2026-10-21T21:15:50.450+00:00 → 2026-10-21T21:15:50.072+00:00 location: 17 km SW of Pozo Almonte, Chile → 20 km SW of Pozo Almonte, Chile

  4. 23.10.2026 01:56:46 · SISTEM · recompute

    depth: 46.36 → 51.45 latitude: -20.3503 → -20.3726 longitude: -69.9156 → -69.9327 time: 2026-10-21T21:15:50.450Z → 2026-10-21 21:15:50.072+00:00

  5. 22.10.2026 08:21:35 · SISTEM · recompute

    depth: 52.9 → 46.36 latitude: -20.35 → -20.3503 longitude: -69.96 → -69.9156 magnitude: 3 → 2.8 time: 2026-10-21T21:15:49.000Z → 2026-10-21 21:15:50.450+00:00 source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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