This event was reviewed by an analyst and confirmed.
Type Event
Magnitude 1.7 ML
Local datetime 2021/12/31 07:40
Universal datetime 2021/12/31 04:40
Latitude -12.83 ° ± 3 km
Longitude 45.35 ° ± 3 km
Depth 36 km (from location) ± 2 km
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Mamoudzou  17 71437
Koungou  19 32156
Dzaoudzi  9 17831
Dembeni  19 15848
Bandraboua  27 13989
Tsingoni  23 13934
Pamandzi  7 11442
Sada  25 11156
Bandrele  21 10282
Ouangani  23 10203
Chirongui  24 8920
Chiconi  25 8295
M'Tsangamouji  29 6432
Bouéni  29 6189
Kani-Kéli  29 5507

Past seismicity

  This map shows only the 50 most significant earthquakes around this event.

Event details

Parameters

Evaluation status confirmed
RMS 0.07
Azimuthal gap 297.42 °
Number of stations used 8
Number of phases used 12

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
1T PMZI P 04:40:19.67 -0.21 292.23 0.08 Manual
1T PMZI S 04:40:24.3 0.08 292.23 0.08 Automatic
RA YTMZ S 04:40:24.39 0.01 302.65 0.13 Manual
AM R0CC5 S 04:40:24.39 0.01 303.96 0.14 Manual
RA MILA P 04:40:20.13 -0.01 262.33 0.15 Automatic
RA MILA S 04:40:24.23 -0.1 262.33 0.15 Manual
AM R1EE2 P 04:40:20.38 -0.03 269.76 0.21 Automatic
AM R1EE2 S 04:40:24.73 -0.03 269.76 0.21 Manual
ED MCHI P 04:40:20.55 0.03 268.69 0.22 Automatic
ED MCHI S 04:40:24.90 -0.05 268.69 0.22 Manual
QM KNKL P 04:40:21.22 0.08 241.38 0.27 Automatic
1T MTSB S 04:40:26.94 0.01 299.95 0.29 Automatic