This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.5 MLv
Local datetime 1981/02/04 12:01
Universal datetime 1981/02/04 11:01
Latitude 47.08 ° ± 1 km
Longitude -0.09 ° ± 3 km
Depth 5 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
Saumur  21 26734
Bressuire  39 19519
Thouars  17 13990
Doué-en-Anjou  21 11005
Brissac Loire Aubance  38 10807
Gennes-Val-de-Loire  30 8724
Chinon  27 8242
Lys-Haut-Layon  30 7880
Beaufort-en-Anjou  41 7226
Longué-Jumelles  35 6794
Loudun  16 6747
Mazé-Milon  46 5799
Bellevigne-en-Layon  40 5730
Saint-Martin-la-Pallu  47 5546
Nueil-les-Aubiers  42 5541

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 0.6
Azimuthal gap
Number of stations used 11
Number of phases used 10

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 11:01:11.30 0.16 184 0.48 Manual
RD MFF Sg 11:01:17.79 -0.11 184 0.48 Manual
RD LPF Pg 11:01:23.80 0.19 326 1.15 Manual
RD LPF Sg 11:01:39.20 -0.42 326 1.15 Manual
RD LSF Pg 11:01:28.30 0.13 126 1.39 Manual
RD LSF Sg 11:01:47.20 -0.34 126 1.39 Manual
RD GRR Pg 11:01:28.70 0.23 339 1.41 Manual
RD GRR Sg 11:01:47.80 -0.25 339 1.41 Manual
RD SSC Pg 11:01:30.90 0.6 360 1.51 Manual
RD SSC Sg 11:01:51.10 -0.13 360 1.51 Manual