This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 4.1 MLv
Local datetime 2021/12/28 20:25
Universal datetime 2021/12/28 19:25
Latitude 37.14 ° ± 12 km
Longitude 6.77 ° ± 12 km
Depth 10 km (operator assigned) ± 0.0 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Tunis  306 693210
Constantine  88 450097
Batna  182 280798
Annaba  91 206570
Cagliari  308 164249
Béjaïa  157 164103
Skikda  31 162702
Guelma  95 123590
Bizerte  274 115268
Oum el Bouaghi  147 100821
Qasserine  286 81987
Béja  220 57233
Jendouba  190 51408
El Kef  204 47979
Siliana  261 26960

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.41
Azimuthal gap 307.96 °
Number of stations used 23
Number of phases used 24

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
RD PGF P 19:26:46.72 -0.4 16.87 5.66 Manual
FR SJAF P 19:26:52.56 -0.95 331.88 6.12 Manual
FR FILF P 19:26:56.74 -0.12 329.6 6.36 Manual
FR VALC P 19:26:57.25 0.15 326.65 6.38 Manual
FR ARTF P 19:26:57.89 -0.59 353.78 6.48 Manual
FR TRIGF P 19:27:00.17 0.01 357.71 6.61 Manual
FR CARF P 19:27:00.17 -0.22 328.67 6.62 Manual
FR BSTF P 19:27:01.56 -0.01 352.99 6.71 Manual
FR PAND P 19:27:02.33 0.69 324.83 6.71 Manual
FR BLAF P 19:27:02.96 -0.22 355.58 6.83 Manual
FR TURF P 19:27:03.47 0.04 3.76 6.84 Manual
FR RUSF P 19:27:03.66 -0.05 352.19 6.86 Manual
FR MLYF P 19:27:04.86 0.9 353.94 6.88 Manual
GU MGRO S 19:28:24.40 -0.4 6.2 6.94 Manual
FR ENAUX P 19:27:05.24 0.19 0.04 6.96 Manual
FR DUNF P 19:27:05.50 -0.08 328.63 7 Manual
GU STV P 19:27:07.65 0.57 3.22 7.11 Manual
GU GBOS P 19:27:07.78 0.28 6.19 7.14 Manual
FR TRBF P 19:27:08.92 -0.47 343.8 7.28 Manual
FR OGDF P 19:27:12.85 0.13 350.66 7.52 Manual
FR SGSF P 19:27:22.41 -0.3 344.23 8.25 Manual
G SSB P 19:27:23.54 0.11 349.04 8.3 Manual
G SSB S 19:28:58.70 0.35 349.04 8.3 Manual
FR COLF P 19:27:28.83 0.4 345.49 8.67 Manual