This event was reviewed by an analyst and confirmed.
Type Event
Magnitude 1.8 ML
Local datetime 2021/12/23 00:33
Universal datetime 2021/12/22 21:33
Latitude -12.79 ° ± 2 km
Longitude 45.56 ° ± 2 km
Depth 39 km (from location) ± 3 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  39 71437
Koungou  40 32156
Dzaoudzi  30 17831
Dembeni  42 15848
Bandraboua  48 13989
Tsingoni  46 13934
Pamandzi  30 11442
Sada  48 11156
Bandrele  44 10282
Ouangani  46 10203
Chirongui  47 8920
Chiconi  48 8295
M'Tsangamouji  51 6432
Bouéni  52 6189
Kani-Kéli  51 5507

Past seismicity

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

Event details

Parameters

Evaluation status confirmed
RMS 0.04
Azimuthal gap 326.04 °
Number of stations used 8
Number of phases used 15

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 21:33:11.44 -0.05 267.58 0.28 Automatic
1T PMZI S 21:33:16.65 -0.01 267.58 0.28 Automatic
AM R0CC5 P 21:33:11.91 0 276.98 0.33 Manual
AM R0CC5 S 21:33:17.43 0.09 276.98 0.33 Manual
QM KOUG P 21:33:12.26 -0.03 278.88 0.35 Automatic
QM KOUG S 21:33:18.7 0.02 278.88 0.35 Automatic
RA MILA S 21:33:17.78 -0.02 260.38 0.36 Automatic
AM R1EE2 P 21:33:12.65 -0.04 264.41 0.42 Manual
AM R1EE2 S 21:33:18.53 -0.03 264.41 0.42 Automatic
ED MCHI P 21:33:12.84 0.02 263.91 0.42 Manual
ED MCHI S 21:33:18.73 -0.04 263.91 0.42 Automatic
QM KNKL P 21:33:13.53 0.01 249.09 0.47 Manual
QM KNKL S 21:33:19.96 0.06 249.09 0.47 Automatic
1T MTSB P 21:33:13.83 0.07 283.05 0.47 Automatic
1T MTSB S 21:33:20.41 -0.04 283.05 0.47 Automatic