This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2023/12/20 11:47
Universal datetime 2023/12/20 10:47
Latitude 46.98 ° ± 0.7 km
Longitude -0.15 ° ± 1 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  32 26734
Bressuire  29 19519
Thouars  8 13990
Doué-en-Anjou  26 11005
Brissac Loire Aubance  45 10807
Parthenay  38 10267
Gennes-Val-de-Loire  39 8724
Chinon  36 8242
Lys-Haut-Layon  30 7880
Loudun  19 6747
Bellevigne-en-Layon  44 5730
Saint-Martin-la-Pallu  42 5546
Nueil-les-Aubiers  35 5541
Neuville-de-Poitou  45 5324
Moncoutant-sur-Sèvre  45 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.48
Azimuthal gap 130.49 °
Number of stations used 7
Number of phases used 12

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
FR CRNF Pg 10:48:02.76 0.21 294.02 0.38 Manual
FR CRNF Sg 10:48:07.31 -0.21 294.02 0.38 Manual
RD MFF Pg 10:48:03.44 0.79 179.88 0.38 Manual
RD MFF Sg 10:48:08.8 0.39 179.88 0.38 Manual
FR GIZF Sg 10:48:10.72 -0.38 28.84 0.49 Manual
FR CHIF Pg 10:48:12.21 0.49 191.99 0.87 Manual
FR CHIF Sg 10:48:22.81 -0.66 191.99 0.87 Manual
FR GNEF Pg 10:48:12.24 -0.78 159.33 0.94 Manual
FR RIAF Pg 10:48:13.17 -0.1 303.82 0.95 Manual
FR RIAF Pn 10:48:14.63 -0.08 303.82 0.95 Manual
FR RIAF Sn 10:48:29.80 0.21 303.82 0.95 Manual
FR LGIF Pg 10:48:13.80 -0.62 239.18 1.01 Manual