This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 3.3 MLv
Local datetime 1987/03/22 22:05
Universal datetime 1987/03/22 21:05
Latitude 50.08 ° ± 3 km
Longitude 4.03 ° ± 7 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
Mons  41 91277
Maubeuge  23 29944
Caudry  44 14591
Hautmont  20 14574
Fourmies  8 11727
Jeumont  24 10159
Hirson  16 8813
Aulnoye-Aymeries  20 8811
Aulnoy-lez-Valenciennes  45 7341
Le Cateau-Cambrésis  35 6933
Feignies  25 6881
Louvroil  21 6481
Quiévrechain  44 6366
Bohain-en-Vermandois  42 5664
Ferrière-la-Grande  19 5301

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 24
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 HAU Pn 21:06:23.20 0.19 143 2.58 Manual
RD HAU Pg 21:06:30.50 -0.18 143 2.58 Manual
RD HAU Sn 21:06:56.70 0.02 143 2.58 Manual
RD HAU Sg 21:07:06.80 0.45 143 2.58 Manual
RD CDF Pn 21:06:25.0 0.26 127 2.7 Manual
RD CDF Pg 21:06:32.40 -0.7 127 2.7 Manual
RD LOR Pn 21:06:26.10 -0.12 182 2.81 Manual
RD LOR Sn 21:07:01.70 -0.98 182 2.81 Manual
RD LOR Sg 21:07:14.80 0.69 182 2.81 Manual
RD BSF Pn 21:06:28.40 1.09 140 2.89 Manual
RD BSF Sn 21:07:04.10 -0.59 140 2.89 Manual