This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2023/05/04 12:00
Universal datetime 2023/05/04 10:00
Latitude 47.77 ° ± 0.3 km
Longitude -3.08 ° ± 0.2 km
Depth 0 km (operator assigned) ± 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
Lanester  18 22728
Hennebont  15 15678
Auray  13 13627
Languidic  9 7971
Pluvigner  5 7543
Caudan  20 6838
Brech  8 6637
Kervignac  13 6596
Inzinzac-Lochrist  16 6526
Baud  12 6261
Plescop  20 5854
Pluneret  14 5722
Riantec  18 5622
Grand-Champ  17 5404
Plouhinec  14 5353

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.22
Azimuthal gap 85.13 °
Number of stations used 9
Number of phases used 12

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 PLOF Pg 10:01:03.0 -0.02 264.51 0.24 Manual
FR GUEF Pg 10:01:04.45 -0.22 68.45 0.32 Manual
FR GUEF Sg 10:01:08.60 -0.3 68.45 0.32 Manual
FR BIMF Pg 10:01:07.22 0.18 190.5 0.45 Manual
FR BIMF Sg 10:01:13.30 0.24 190.5 0.45 Manual
FR BEGF Pg 10:01:09.42 0.08 105.37 0.57 Manual
FR BEGF Sg 10:01:16.96 -0.11 105.37 0.57 Manual
RD ROSF Pg 10:01:09.47 0.01 347.19 0.58 Manual
FR OLIV Pg 10:01:12.48 0.21 282.48 0.73 Manual
FR PLEF Pg 10:01:15.50 0.46 34.35 0.88 Manual
FR LOCF Pg 10:01:17.24 0.13 336.69 0.99 Manual
FR RIAF Pg 10:01:21.17 -0.25 101.76 1.22 Manual