This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2020/12/18 12:57
Universal datetime 2020/12/18 11:57
Latitude 46.88 ° ± 3 km
Longitude -0.28 ° ± 4 km
Depth 0 km (operator assigned) ± 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  46 26734
Bressuire  16 19519
Thouars  11 13990
Doué-en-Anjou  35 11005
Parthenay  26 10267
Mauléon  37 8519
Lys-Haut-Layon  33 7880
Loudun  32 6747
Sèvremont  44 6486
Bellevigne-en-Layon  48 5730
Saint-Martin-la-Pallu  44 5546
Nueil-les-Aubiers  25 5541
Pouzauges  43 5514
Neuville-de-Poitou  46 5324
Moncoutant-sur-Sèvre  30 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.33
Azimuthal gap 128.41 °
Number of stations used 8
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 11:57:14.18 -0.52 161.92 0.29 Manual
RD MFF Sg 11:57:19.7 0.61 161.92 0.29 Manual
FR CRNF Pg 11:57:15.61 -0.45 315.34 0.36 Manual
FR CRNF Sg 11:57:20.98 0.13 315.34 0.36 Manual
FR GIZF Pg 11:57:20.70 -0.16 31.21 0.62 Manual
FR GIZF Sg 11:57:29.37 0.13 31.21 0.62 Manual
FR CHIF Pg 11:57:23.64 0.38 186.93 0.75 Manual
FR GNEF Sn 11:57:41.1 -0.5 151.38 0.88 Manual
FR GARF Pg 11:57:34.10 -0.06 105.07 1.34 Manual
FR GARF Sg 11:57:52.34 0.1 105.07 1.34 Manual
FR MTNF Pg 11:57:36.17 -0.08 344.76 1.45 Manual
FR MTNF Sg 11:57:56.20 0.35 344.76 1.45 Manual
FR ABJF Pg 11:57:37.10 0.07 150.72 1.49 Manual