This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.2 MLv
Local datetime 1983/07/31 23:17
Universal datetime 1983/07/31 21:17
Latitude 46.17 ° ± 2 km
Longitude 2.77 ° ± 2 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
Clermont-Ferrand  50 143886
Montluçon  23 35653
Vichy  51 24166
Riom  42 19180
Chamalières  49 17173
Beaumont  53 10787
Gerzat  48 10365
Domérat  28 8780
Cébazat  46 8604
Bellerive-sur-Allier  49 8500
Ceyrat  53 6416
Commentry  12 6239
Châtel-Guyon  36 6152
Gannat  32 5832
Saint-Pourçain-sur-Sioule  44 5160

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 0.8
Azimuthal gap
Number of stations used 11
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 MZF Pg 21:17:26.30 0.16 290 0.15 Manual
RD MZF Sg 21:17:28.80 0.09 290 0.15 Manual
RD TCF Pg 21:17:31.0 0.42 287 0.41 Manual
RD TCF Sg 21:17:36.30 -0.11 287 0.41 Manual
FR PYM Pg 21:17:31.50 0.14 158 0.45 Manual
FR PYM Sg 21:17:37.50 -0.26 158 0.45 Manual
RD AVF Pg 21:17:37.90 1.19 33 0.74 Manual
RD AVF Sg 21:17:46.50 -0.57 33 0.74 Manual
RD LSF Sg 21:17:50.40 -0.68 276 0.86 Manual
RD SMF Pg 21:17:39.70 0.37 57 0.88 Manual
RD SMF Sg 21:17:51.0 -0.64 57 0.88 Manual