This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.5 MLv
Local datetime 1981/08/03 23:40
Universal datetime 1981/08/03 21:40
Latitude 46.18 ° ± 2 km
Longitude 2.71 ° ± 2 km
Depth 10 km (from location) ± 4 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
Clermont-Ferrand  54 143886
Montluçon  19 35653
Vichy  55 24166
Riom  46 19180
Chamalières  53 17173
Beaumont  56 10787
Gerzat  52 10365
Domérat  25 8780
Cébazat  49 8604
Bellerive-sur-Allier  53 8500
Ceyrat  56 6416
Commentry  11 6239
Châtel-Guyon  40 6152
Gannat  37 5832
Saint-Pourçain-sur-Sioule  48 5160

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 15
Number of phases used 14

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 MZF Pg 21:40:32.30 0.12 291 0.11 Manual
RD MZF Sg 21:40:35.70 1 291 0.11 Manual
RD TCF Pg 21:40:36.50 0.24 287 0.36 Manual
RD TCF Sg 21:40:41.40 -0.38 287 0.36 Manual
RD BGF Pg 21:40:36.50 -0.14 14 0.39 Manual
RD BGF Sg 21:40:42.0 -0.45 14 0.39 Manual
FR PYM Pg 21:40:38.50 0.33 154 0.48 Manual
FR PYM Sg 21:40:44.70 -0.41 154 0.48 Manual
RD AVF Pg 21:40:43.80 0.67 36 0.75 Manual
RD AVF Sg 21:40:53.80 0.06 36 0.75 Manual
RD LSF Pg 21:40:44.80 0.39 275 0.82 Manual
RD LSF Sg 21:40:55.60 -0.36 275 0.82 Manual
RD SMF Pg 21:40:46.80 0.77 59 0.91 Manual
RD SMF Sg 21:40:58.40 -0.39 59 0.91 Manual