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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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4.7

113 km SW of Basco, Philippines

2 November 2026, 11:42:47 (+03) 2026-11-02 08:42:47 UTC

2 sources: EMSC, USGS mb
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Magnitude
4.7 mb
Depth
35.0 km
Coordinates
19.8007, 121.1252
Data consistency
86/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
2
Last 30 days
15

Approximate energy released

≈ 169 t TNT

7.08e+11 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

19 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 12
  • M4 7
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 2
  • 10–20 km 6
  • 20–40 km 10
  • 40–70 km 1
  • 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
BABUYAN ISL REGION, PHILIPPINES
 4.7 mb 37.0 km 08:42:47.240 Δt 0.01 sn · 13.91 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
113 km SW of Basco, Philippines
 4.7 mb 35.0 km 08:42:47.228 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. 02.11.2026 13:57:37 · EMSC · update

    depth: 10.2 → 37 latitude: 19.624 → 19.7029 longitude: 121.251 → 121.2086 time: 2026-11-02T08:42:43.740+00:00 → 2026-11-02T08:42:47.240+00:00

  2. 02.11.2026 13:31:39 · EMSC · update

    depth: 35 → 10.2 latitude: 19.8007 → 19.624 longitude: 121.1252 → 121.251 time: 2026-11-02T08:42:47.228+00:00 → 2026-11-02T08:42:43.740+00:00

  3. 02.11.2026 12:34:59 · SISTEM · recompute

    source count: 1 → 2 review status: automatic → reviewed confirming sources: emsc → emsc,usgs preferred source: 3 → 4

  4. 02.11.2026 12:34:57 · EMSC · update

    depth: 16 → 35 latitude: 19.69 → 19.8007 longitude: 121.18 → 121.1252 magnitude: 4.2 → 4.7 time: 2026-11-02T08:42:42.000+00:00 → 2026-11-02T08:42:47.228+00:00 magnitude type: m → mb

  5. 02.11.2026 12:34:57 · SISTEM · recompute

    depth: 16 → 35 latitude: 19.69 → 19.8007 longitude: 121.18 → 121.1252 magnitude: 4.2 → 4.7 time: 2026-11-02T08:42:42.000Z → 2026-11-02 08:42:47.228+00:00 magnitude type: m → mb

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