This event was reviewed by an analyst and confirmed.
Type Event
Magnitude 3.3 ML
Local datetime 2021/12/20 15:59
Universal datetime 2021/12/20 12:59
Latitude -12.82 ° ± 3 km
Longitude 45.62 ° ± 2 km
Depth 40 km (from location) ± 4 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  47 71437
Koungou  48 32156
Dzaoudzi  37 17831
Dembeni  49 15848
Bandraboua  56 13989
Tsingoni  53 13934
Pamandzi  37 11442
Sada  55 11156
Bandrele  50 10282
Ouangani  53 10203
Chirongui  53 8920
Chiconi  55 8295
M'Tsangamouji  59 6432
Bouéni  58 6189
Kani-Kéli  57 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 330.21 °
Number of stations used 7
Number of phases used 14

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 12:59:49.66 -0.05 274.05 0.34 Manual
1T PMZI S 12:59:55.43 0.08 274.05 0.34 Manual
QM KOUG P 12:59:50.71 0.08 282.31 0.42 Manual
QM KOUG S 12:59:56.87 -0.08 282.31 0.42 Manual
RA MILA P 12:59:50.46 0.01 266.7 0.42 Manual
RA MILA S 12:59:56.52 0.01 266.7 0.42 Manual
AM R1EE2 P 12:59:50.92 -0.06 269.39 0.48 Manual
AM R1EE2 S 12:59:57.21 -0.15 269.39 0.48 Manual
ED MCHI P 12:59:51.11 0 268.93 0.49 Manual
ED MCHI S 12:59:57.53 -0.05 268.93 0.49 Manual
QM KNKL P 12:59:51.71 0.04 255.35 0.52 Manual
QM KNKL S 12:59:58.55 0.06 255.35 0.52 Manual
1T MTSB P 12:59:52.14 -0.03 285.14 0.55 Manual
1T MTSB S 12:59:59.59 0.13 285.14 0.55 Manual