This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2020/12/18 12:21
Universal datetime 2020/12/18 11:21
Latitude 48.46 ° ± 7 km
Longitude -3.45 ° ± 4 km
Depth 0 km (from location) ± 0.0 km
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Saint-Brieuc  51 44372
Lannion  32 19880
Morlaix  32 14559
Plérin  52 14062
Ploufragan  48 11546
Landivisiau  45 9132
Carhaix-Plouguer  22 7174
Paimpol  46 7172
Pordic  48 7167
Perros-Guirec  40 7139
Binic-Étables-sur-Mer  49 7068
Guingamp  25 6895
Saint-Pol-de-Léon  46 6596
Ploumagoar  27 5434
Plouigneau  23 5083

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.37
Azimuthal gap 225.4 °
Number of stations used 6
Number of phases used 10

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 OLIV Pg 11:21:56.55 -0.18 221.18 0.7 Manual
FR OLIV Sg 11:22:06.78 0.54 221.18 0.7 Manual
FR PLOF Pg 11:21:56.42 -0.4 178.68 0.71 Manual
FR PLEF Pg 11:21:58.4 0.54 86.58 0.75 Manual
FR GUEF Pg 11:21:57.98 -0.33 135.68 0.79 Manual
FR GUEF Sg 11:22:09.19 0.21 135.68 0.79 Manual
FR BEGF Pg 11:22:04.76 -0.46 135.99 1.16 Manual
FR BEGF Sg 11:22:21.6 0.13 135.99 1.16 Manual
FR MTNF Pg 11:22:15.45 -0.38 95.03 1.75 Manual
FR MTNF Sn 11:22:38.0 0.33 95.03 1.75 Manual