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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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3.5

24 km WNW of Carrizo Springs, Texas

17 October 2026, 16:30:16 (+03) 2026-10-17 13:30:16 UTC

2 sources: EMSC, USGS ml
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Magnitude
3.5 ml
Depth
6.0 km
Coordinates
28.6330, -100.0830
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
2
Last 30 days
9

Approximate energy released

≈ 2.7 t TNT

1.12e+10 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?

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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

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

10 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 9
  • M3 1
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 10
  • 10–20 km 0
  • 20–40 km 0
  • 40–70 km 0
  • 70–150 km 0
  • 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

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
SOUTHERN TEXAS
 3.4 ml 6.0 km 13:30:16.104 Δt 0 sn · 0 km · ΔM -0.1 Original record
USGS Earthquake Hazards Program Displayed
24 km WNW of Carrizo Springs, Texas
 3.5 ml 6.0 km 13:30:16.104 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. 17.10.2026 17:40:52 · USGS · update

    depth: 7.37 → 6.03 latitude: 28.6127 → 28.633 longitude: -100.1058 → -100.083 magnitude: 3.3 → 3.5 time: 2026-10-17T13:30:16.734+00:00 → 2026-10-17T13:30:16.104+00:00 location: 22 km ENE of El Indio, Texas → 24 km WNW of Carrizo Springs, Texas magnitude type: mb_lg → ml

  2. 17.10.2026 17:40:52 · SISTEM · recompute

    depth: 7.37 → 6.03 latitude: 28.6127 → 28.633 longitude: -100.1058 → -100.083 magnitude: 3.3 → 3.5 time: 2026-10-17T13:30:16.734Z → 2026-10-17 13:30:16.104+00:00 magnitude type: mb_lg → ml

  3. 17.10.2026 17:40:51 · EMSC · update

    depth: 7.4 → 6 latitude: 28.6127 → 28.633 longitude: -100.1058 → -100.083 magnitude: 3.3 → 3.4 time: 2026-10-17T13:30:16.734+00:00 → 2026-10-17T13:30:16.104+00:00

  4. 17.10.2026 16:50:23 · SISTEM · recompute

    depth: 7.4 → 7.37 source count: 1 → 2 review status: automatic → reviewed magnitude type: ml → mb_lg confirming sources: emsc → emsc,usgs preferred source: 3 → 4

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