This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.5 MLv
Local datetime 1981/04/22 21:24
Universal datetime 1981/04/22 19:24
Latitude 46.25 ° ± 2 km
Longitude 2.83 ° ± 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
Montluçon  20 35653
Vichy  48 24166
Moulins  52 19664
Riom  46 19180
Chamalières  56 17173
Yzeure  55 13088
Cusset  52 12661
Gerzat  53 10365
Domérat  26 8780
Cébazat  51 8604
Bellerive-sur-Allier  46 8500
Commentry  7 6239
Châtel-Guyon  41 6152
Gannat  32 5832
Saint-Pourçain-sur-Sioule  37 5160

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 0.5
Azimuthal gap
Number of stations used 11
Number of phases used 13

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 19:24:30.30 0 260 0.19 Manual
RD MZF Sg 19:24:33.40 0.09 260 0.19 Manual
RD BGF Pg 19:24:32.50 0.12 2 0.31 Manual
RD BGF Sg 19:24:37.0 0.07 2 0.31 Manual
RD TCF Pg 19:24:34.90 0.33 275 0.43 Manual
RD TCF Sg 19:24:41.10 0.39 275 0.43 Manual
RD AVF Pg 19:24:38.59 0.08 34 0.65 Manual
RD AVF Sg 19:24:47.60 0.01 34 0.65 Manual
RD SMF Pg 19:24:41.20 -0.19 60 0.8 Manual
RD LSF Pg 19:24:43.20 -0.05 270 0.9 Manual
RD LSF Sg 19:24:55.10 -0.75 270 0.9 Manual
RD SSF Pg 19:24:44.0 0.16 30 0.93 Manual
RD SSF Sg 19:24:56.60 -0.27 30 0.93 Manual