This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.7 MLv
Local datetime 1983/09/09 01:34
Universal datetime 1983/09/08 23:34
Latitude 45.61 ° ± 3 km
Longitude 3.90 ° ± 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
Montbrison  13 15641
Saint-Just-Saint-Rambert  30 15083
Andrézieux-Bouthéon  31 9790
Roche-la-Molière  39 9697
Veauche  31 8984
Unieux  37 8597
Feurs  29 8173
Villars  39 7970
Ambert  13 6671
Sury-le-Comtal  23 6552
Saint-Genest-Lerpt  38 6131
Aurec-sur-Loire  36 6111
Saint-Galmier  32 5722
Chazelles-sur-Lyon  37 5357
Montrond-les-Bains  27 5302

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 0.7
Azimuthal gap
Number of stations used 13
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
FR PYM Pg 23:34:50.70 0.13 283 0.64 Manual
FR PYM Sg 23:35:00.10 0.61 283 0.64 Manual
RD SMF Pg 23:34:58.60 0.65 358 1.03 Manual
RD SMF Sg 23:35:12.60 0.25 358 1.03 Manual
RD MZF Pg 23:34:59.0 -0.38 304 1.11 Manual
RD MZF Sg 23:35:14.90 0.06 304 1.11 Manual
RD AVF Pg 23:35:01.50 -0.27 342 1.24 Manual
RD AVF Sg 23:35:18.70 -0.27 342 1.24 Manual
RD TCF Pn 23:35:02.40 -0.37 300 1.36 Manual
RD TCF Sg 23:35:22.60 -0.26 300 1.36 Manual