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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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5.0

52 km NNW of Ruteng, Indonesia

26 September 2026, 22:37:01 (+03) 2026-09-26 19:37:01 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
5.0 mb
Depth
10.0 km
Coordinates
-8.1581, 120.3294
Data consistency
98/100

Regional activity (100 km)

Last 24 hours
2
Last 7 days
34
Last 30 days
215

Approximate energy released

≈ 477 t TNT

2.00e+12 J

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

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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

291 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 166
  • M3 111
  • M4 12
  • M5 2
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 261
  • 20–40 km 21
  • 40–70 km 2
  • 70–150 km 1
  • 150+ km 6

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
FLORES REGION, INDONESIA
 5.0 mb 22.5 km 19:37:03.750 Δt 2.54 sn · 4.53 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
52 km NNW of Ruteng, Indonesia
 5.0 mb 10.0 km 19:37:01.212 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Flores Region, Indonesia
 5.1 mb 10.0 km 19:37:02.480 Δt 1.27 sn · 7.22 km · ΔM +0.1 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) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 27.09.2026 17:35:10 · EMSC · update

    depth: 10 → 22.5 latitude: -8.1581 → -8.1663 longitude: 120.3294 → 120.2891 time: 2026-09-26T19:37:01.212+00:00 → 2026-09-26T19:37:03.750+00:00

  2. 26.09.2026 23:03:14 · GFZ · update

    latitude: -8.21 → -8.181 longitude: 120.299 → 120.268 magnitude: 5 → 5.1 time: 2026-09-26T19:37:02.930+00:00 → 2026-09-26T19:37:02.480+00:00

  3. 26.09.2026 22:55:09 · SISTEM · recompute

    source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  4. 26.09.2026 22:55:08 · EMSC · update

    depth: 35 → 10 latitude: -8.1526 → -8.1581 longitude: 120.3663 → 120.3294 time: 2026-09-26T19:37:06.200+00:00 → 2026-09-26T19:37:01.212+00:00

  5. 26.09.2026 22:55:08 · SISTEM · recompute

    depth: 35 → 10 latitude: -8.1526 → -8.1581 longitude: 120.3663 → 120.3294 time: 2026-09-26T19:37:06.200Z → 2026-09-26 19:37:01.212+00:00

  6. 26.09.2026 22:52:02 · SISTEM · recompute

    depth: 10 → 35 latitude: -8.21 → -8.1526 longitude: 120.299 → 120.3663 time: 2026-09-26T19:37:02.930Z → 2026-09-26 19:37:06.200+00:00 source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

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