This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 3.8 MLv
Local datetime 2017/12/15 08:59
Universal datetime 2017/12/15 07:59
Latitude 48.54 ° ± 3 km
Longitude -1.52 ° ± 3 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
Saint-Malo  36 46097
Fougères  32 20418
Dinan  41 14166
Granville  33 12580
Betton  41 11735
Avranches  20 10155
Dinard  41 10027
Liffré  38 7609
Pleurtuit  40 6806
Melesse  38 6576
Saint-Hilaire-du-Harcouët  28 6094
Combourg  22 5940
Dol-de-Bretagne  16 5693
Gévezé  42 5301
Cancale  30 5121

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.54
Azimuthal gap 114.89 °
Number of stations used 9
Number of phases used 15

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
GB JSA Pg 07:59:19.76 0.22 326.69 0.78 Manual
GB JSA Sg 07:59:29.73 -0.59 326.69 0.78 Manual
RD ROSF Pg 07:59:26.72 -0.42 260.63 1.18 Manual
RD ROSF Pn 07:59:27.89 0.95 260.63 1.18 Manual
RD ROSF Sg 07:59:42.83 -0.76 260.63 1.18 Manual
RA UBNA Pg 07:59:31.53 0.58 183.23 1.39 Manual
RA UBNA Sg 07:59:50.10 -0.14 183.23 1.39 Manual
RD MFF Pn 07:59:40.11 0.02 153.83 2.15 Manual
RD MFF Sg 08:00:13.21 -0.79 153.83 2.15 Manual
G CLF Pn 07:59:45.99 0.14 100.15 2.58 Manual
G CLF Sg 08:00:26.24 -0.65 100.15 2.58 Manual
GB CCA1 Pn 07:59:50.90 0.31 305.6 2.93 Manual
GB MCH1 Pn 07:59:59.61 0.1 345.25 3.59 Manual
FR LRVF Pn 08:00:01.85 0.9 166.5 3.69 Manual
RD LOR Pn 08:00:03.7 0.13 107.39 3.84 Manual