This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2015/05/21 10:40
Universal datetime 2015/05/21 08:40
Latitude 45.65 ° ± 3 km
Longitude 4.30 ° ± 2 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
Montbrison  19 15641
Saint-Just-Saint-Rambert  18 15083
Andrézieux-Bouthéon  13 9790
Veauche  10 8984
Feurs  11 8173
Villars  21 7970
Sorbiers  20 7933
La Talaudière  21 6860
Saint-Jean-Bonnefonds  24 6638
Sury-le-Comtal  15 6552
Saint-Genest-Lerpt  22 6131
Saint-Priest-en-Jarez  20 6120
Saint-Galmier  5 5722
Chazelles-sur-Lyon  6 5357
Montrond-les-Bains  5 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.34
Azimuthal gap 129.49 °
Number of stations used 6
Number of phases used 9

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 LBL Pg 08:40:33.80 -0.11 240.94 0.85 Manual
FR LBL Sg 08:40:45.62 0.12 240.94 0.85 Manual
FR AGO Pg 08:40:35.42 0.4 296.55 0.91 Manual
FR PYM Pg 08:40:34.83 -0.2 276.77 0.91 Manual
FR OGSM Pg 08:40:36.45 0.13 91.93 0.98 Manual
FR OGSM Sg 08:40:49.63 0.04 91.93 0.98 Manual
FR GRN Pg 08:40:38.50 0.03 111.45 1.1 Manual
RD LOR Pn 08:40:47.6 -0.8 349.46 1.65 Manual
RD LOR Sn 08:41:09.58 0.39 349.46 1.65 Manual