This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.3 MLv
Local datetime 1987/07/19 00:51
Universal datetime 1987/07/18 22:51
Latitude 45.50 ° ± 2 km
Longitude 4.34 ° ± 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  8 172565
Saint-Just-Saint-Rambert  7 15083
Le Chambon-Feugerolles  12 12317
Andrézieux-Bouthéon  6 9790
Roche-la-Molière  8 9697
Veauche  8 8984
Unieux  12 8597
Villars  4 7970
Sorbiers  8 7933
La Ricamarie  11 7906
La Talaudière  7 6860
Saint-Jean-Bonnefonds  10 6638
Saint-Genest-Lerpt  5 6131
Saint-Priest-en-Jarez  4 6120
Saint-Galmier  12 5722

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 1
Azimuthal gap
Number of stations used 12
Number of phases used 15

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 SSB Pg 22:51:22.50 -0.42 147 0.27 Manual
FR SSB Sg 22:51:26.0 -0.96 147 0.27 Manual
FR PYM Pg 22:51:36.40 0.75 285 0.97 Manual
FR PYM Sg 22:51:49.0 -0.12 285 0.97 Manual
RD SMF Pg 22:51:40.59 0.66 343 1.19 Manual
RD SMF Sg 22:51:56.80 0.23 343 1.19 Manual
RD MAF Pg 22:51:44.70 0.32 301 1.43 Manual
RD MAF Sg 22:52:03.20 -1.08 301 1.43 Manual
RD AVF Pg 22:51:45.10 0.2 332 1.46 Manual
RD AVF Sg 22:52:04.10 -1.09 332 1.46 Manual
RD BGF Pn 22:51:45.30 1.86 316 1.48 Manual
RD BGF Pg 22:51:45.80 0.48 316 1.48 Manual
RD BGF Sg 22:52:05.20 -0.7 316 1.48 Manual
RD LBF Pg 22:51:46.90 1.16 351 1.5 Manual
RD LBF Sg 22:52:05.40 -1.23 351 1.5 Manual