This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 3.8 MLv
Local datetime 1981/07/21 23:50
Universal datetime 1981/07/21 21:50
Latitude 47.67 ° ± 1 km
Longitude 7.47 ° ± 1 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
Basel  13 164488
Mulhouse  14 109443
Saint-Louis  9 21177
Illzach  14 14691
Wittenheim  20 14317
Rixheim  10 13902
Kingersheim  17 13055
Riedisheim  11 12645
Pfastatt  17 9579
Brunstatt-Didenheim  13 8012
Huningue  12 7238
Lutterbach  18 6310
Altkirch  18 5737
Sausheim  14 5501
Kembs  3 5257

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 62
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
FR BAF Pg 21:50:24.0 0.06 297 0.36 Manual
RD BSF Pg 21:50:26.10 -0.01 289 0.48 Manual
FR ECH Pg 21:50:27.80 -0.1 339 0.58 Manual
CH ZUL Pg 21:50:29.30 0.09 107 0.65 Manual
CH ZUL Sg 21:50:38.0 -0.33 107 0.65 Manual
CH SHS Pg 21:50:30.0 -0.04 82 0.7 Manual
CH SHS Sg 21:50:40.0 0.21 82 0.7 Manual
RD CDF Pg 21:50:31.10 0.06 350 0.75 Manual
CH NEC Pg 21:50:31.70 0.54 208 0.76 Manual
CH NEC Sg 21:50:41.50 -0.25 208 0.76 Manual
RD HAU Pg 21:50:32.20 -0.25 294 0.83 Manual