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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.

Earthquake statistics

All values are computed from records of earthquakes that have occurred and refresh every minute.

Earthquakes
14.534
Largest
M7,2
Mean magnitude
2,57
Mean depth
33,4 km
Energy equivalent
M7,6
TNT equivalent
3.5 Mt

Energy is an approximation derived from magnitude with the Gutenberg–Richter relation (log E = 1.5M + 4.8); it depends on the magnitude type.

94

Relative activity

Above usual

2.957 earthquakes in the last 7 days; median of the previous 52 periods: 0,0.

The score (0–100) ranks the recorded number of earthquakes in the latest period among equally long periods of the previous year. It describes past records and provides no information about future earthquakes. Data: AFAD, Kandilli and other source institutions.

Unusual activity

  • Seismic activity above normal levels has been observed. — 8 earthquakes in the last 48 hours (≈ 0,00 from the earlier average), centre 50,25, 12,25. Analyse the area
  • Seismic activity above normal levels has been observed. — 10 earthquakes in the last 48 hours (≈ 0,21 from the earlier average), centre 14,25, -90,25. Analyse the area
  • Seismic activity above normal levels has been observed. — 9 earthquakes in the last 48 hours (≈ 1,35 from the earlier average), centre 38,75, 14,25. Analyse the area

The comparison is a numerical summary against the area's historical average (Poisson test); it provides no information about future earthquakes.

Earthquakes over time

Magnitude distribution

Magnitude distribution
M<1537
M13952
M24761
M33777
M41285
M5198
M622
M7+2

Depth distribution

Depth distribution
0–10 km5348
10–30 km6031
30–70 km1125
70–150 km1351
150–300 km562
300–800 km117

Cumulative energy (J, logarithmic)

Records by source

  • emsc10.069
  • afad2.483
  • kandilli2.170
  • noa1.938
  • usgs1.499
  • gfz359
About the sources

Distribution by province

No records with a province in this period.

Largest earthquakes

  1. 7.2 200 km W of Sola, Vanuatu
  2. 7.0 191 km ENE of Nagqu, China
  3. 6.9 197 km WNW of Port-Olry, Vanuatu
  4. 6.9 76 km NE of Ozernovskiy, Russia
  5. 6.8 CENTRAL MID-ATLANTIC RIDGE
  6. 6.7 CENTRAL MID-ATLANTIC RIDGE
  7. 6.5 Bonin Islands, Japan region
  8. 6.4 30 km WSW of Lata, Solomon Islands
  9. 6.4 southeast of Easter Island
  10. 6.3 170 km NW of Port-Olry, Vanuatu

Active earthquake sequences

Sequences group earthquakes that have occurred by proximity in time and location (Gardner–Knopoff windows, Poisson rate test). Follow AFAD and Kandilli Observatory for official assessments.

This analysis only summarises records of earthquakes that have occurred; it provides no information about future earthquakes. Follow AFAD and Kandilli Observatory for official statements.