This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2021/08/18 12:44
Universal datetime 2021/08/18 10:44
Latitude 46.88 ° ± 4 km
Longitude -0.27 ° ± 5 km
Depth 0 km (from location) ± 0.0 km
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Saumur  45 26734
Bressuire  16 19519
Thouars  10 13990
Doué-en-Anjou  34 11005
Parthenay  27 10267
Mauléon  37 8519
Lys-Haut-Layon  32 7880
Loudun  31 6747
Sèvremont  45 6486
Bellevigne-en-Layon  48 5730
Saint-Martin-la-Pallu  44 5546
Nueil-les-Aubiers  26 5541
Pouzauges  44 5514
Neuville-de-Poitou  46 5324
Moncoutant-sur-Sèvre  31 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.26
Azimuthal gap 99.04 °
Number of stations used 11
Number of phases used 13

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 MFF Pg 10:44:28.44 -0.4 163.23 0.3 Manual
RD MFF Sg 10:44:32.46 -0.23 163.23 0.3 Manual
FR CRNF Pg 10:44:29.61 -0.46 314.01 0.36 Manual
FR CRNF Sg 10:44:34.80 -0.04 314.01 0.36 Manual
FR CHIF Pg 10:44:37.70 0.25 187.23 0.76 Manual
FR DAUF Pg 10:44:38.7 0.24 355.85 0.78 Manual
FR BSCF Pg 10:44:39.36 -0.05 94.88 0.86 Manual
FR GNEF Pg 10:44:39.92 0.13 151.87 0.88 Manual
FR LGIF Pg 10:44:40.34 0.39 241.76 0.89 Manual
FR RIAF Pg 10:44:40.78 -0.17 311.53 0.95 Manual
FR BOUF Pg 10:44:41.61 0.09 286.92 0.98 Manual
FR GARF Pn 10:44:47.98 0.31 105.43 1.33 Manual
FR ABJF Pg 10:44:51.9 -0.06 151.01 1.49 Manual