This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.6 MLv
Local datetime 1981/09/17 16:23
Universal datetime 1981/09/17 14:23
Latitude 45.13 ° ± 3 km
Longitude 4.04 ° ± 4 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
Saint-Étienne  43 172565
Le Puy-en-Velay  16 18995
Firminy  34 17135
Saint-Just-Saint-Rambert  43 15083
Le Chambon-Feugerolles  37 12317
Roche-la-Molière  40 9697
Monistrol-sur-Loire  21 8718
Unieux  36 8597
Villars  45 7970
La Ricamarie  40 7906
Yssingeaux  7 7202
Saint-Genest-Lerpt  43 6131
Saint-Priest-en-Jarez  46 6120
Aurec-sur-Loire  30 6111
Sainte-Sigolène  20 5959

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 0.9
Azimuthal gap
Number of stations used 12
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 CAF Pg 14:23:27.80 0.33 262 1.41 Manual
RD MZF Pg 14:23:29.60 0.53 317 1.5 Manual
RD MZF Sg 14:23:50.40 0.5 317 1.5 Manual
RD SMF Pg 14:23:29.60 0.16 355 1.52 Manual
RD SMF Sg 14:23:50.80 0.25 355 1.52 Manual
RD AVF Pg 14:23:32.9 -1.26 344 1.72 Manual
RD TCF Pg 14:23:34.40 1.07 313 1.72 Manual
RD AVF Sg 14:23:56.20 -1.1 344 1.72 Manual
RD TCF Sg 14:23:57.80 0.54 313 1.72 Manual
RD RJF Pg 14:23:34.80 0.23 276 1.79 Manual
RD RJF Sg 14:23:58.80 -0.59 276 1.79 Manual
RD LSF Sg 14:24:08.80 -0.16 303 2.08 Manual
RD LFF Sg 14:24:17.40 -0.13 266 2.34 Manual