This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.5 MLv
Local datetime 1981/10/31 22:58
Universal datetime 1981/10/31 21:58
Latitude 45.25 ° ± 2 km
Longitude 5.04 ° ± 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
Romans-sur-Isère  22 33160
Vienne  33 29306
Bourg-lès-Valence  34 19975
Annonay  31 16345
Tournon-sur-Rhône  28 10307
Bourg-de-Péage  26 10205
Roussillon  22 8455
Saint-Marcellin  24 7903
Le Péage-de-Roussillon  24 6680
Saint-Rambert-d'Albon  17 6530
Saint-Marcel-lès-Valence  32 6236
Tain-l'Hermitage  25 6162
Saint-Maurice-l'Exil  26 6141
Chatuzange-le-Goubet  27 5516
Pont-Évêque  33 5210

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 10
Number of phases used 11

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 SMF Pn 21:59:07.90 -0.23 330 1.63 Manual
RD SMF Sg 21:59:33.59 0.2 330 1.63 Manual
RD LBF Sg 21:59:41.70 -0.17 337 1.89 Manual
RD MZF Pg 21:59:17.60 0.03 300 1.99 Manual
RD MZF Sg 21:59:45.0 -0.1 300 1.99 Manual
RD SSF Sg 21:59:49.50 0.57 330 2.1 Manual
RD CAF Pn 21:59:15.40 0.44 262 2.13 Manual
RD CAF Pg 21:59:19.79 -0.51 262 2.13 Manual
RD CAF Sg 21:59:50.20 0.38 262 2.13 Manual
RD LOR Sg 21:59:51.40 -0.04 338 2.18 Manual
RD TCF Sg 21:59:52.80 -0.45 299 2.24 Manual