Earthquake with magnitude of ML 2.1 on date 05-12-2017 and time 00:49:41 (Italy) in region France

A magnitude ML 2.1 earthquake occured in region: France, on

  • 04-12-2017 23:49:41 (UTC)
  • 05-12-2017 00:49:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.4330, 6.3140 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.1 2017-12-04
23:49:41
45.4333 6.314 10 2018-09-04
09:10:38
Bollettino Sismico Italiano INGV 52567161
Reviewed
Rev100
ML 2.1 2017-12-04
23:49:40
45.4258 6.2787 10 2017-12-05
00:14:57
Sala Sismica INGV-Roma 52340941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-04 23:49:41 ± 0.24
Latitude 45.4333 ± 0.0090
Longitude 6.3140 ± 0.0205
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52567161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1640
Semi-minor axis of confidence ellipse (meter) 960
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 1640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 210
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.45955
Epicentral distance of station farthest from the epicenter (degree) 1.30582
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 52567161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-12-13 08:48:50

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 52340941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-05 00:14:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHZ. 2017-12-04T23:50:05.83 0.3 undecidable manual S 113 80.6637 50 0.44 68
CH.MMK.HHZ. 2017-12-04T23:50:05.21 0.3 undecidable manual P 61 144.9438 50 0.18 63
CH.GIMEL.HHZ. 2017-12-04T23:50:02.34 0.3 undecidable manual P 358 122.0889 50 0.82 54
GU.RRL.HHZ. 2017-12-04T23:50:02.28 0.3 undecidable manual S 147 67.9764 50 0.29 72
GU.SATI.HHE. 2017-12-04T23:50:02.81 0.6 undecidable manual P 67 130.0698 50 0.06 45
GU.PZZ.HHZ. 2017-12-04T23:50:01.32 0.6 undecidable manual P 148 120.4905 50 0.05 46
GU.LSD.HHZ. 2017-12-04T23:50:00.95 0.3 undecidable manual S 87 63.8916 50 0.05 76
GU.TRAV.HHE. 2017-12-04T23:50:00.02 0.6 undecidable manual P 85 111.7992 50 0.09 46
CH.DIX.HHZ. 2017-12-04T23:49:59.65 0.3 undecidable manual P 49 111 50 -0.16 68
GU.CIRO.HHZ. 2017-12-04T23:49:57.98 0.3 undecidable manual P 79 99.2229 50 -0.02 72
GU.RSP.HHZ. 2017-12-04T23:49:55.18 0.3 undecidable manual P 113 80.6637 50 0.04 74
GU.RRL.HHZ. 2017-12-04T23:49:53.28 0.1 undecidable manual P 147 67.9764 50 0.1 100
GU.LSD.HHZ. 2017-12-04T23:49:52.20 0.3 undecidable manual P 87 63.8916 50 -0.35 72
IV.MRGE.HHZ. 2017-12-04T23:49:52.83 0.1 undecidable manual P 57 68.9754 50 -0.5 92
MN.BNI.HNE. 2017-12-04T23:49:49.98 0.1 undecidable manual P 146 51.0156 50 -0.58 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHE. ML:1.8 0.0001295 0.44 AML other m 2017-12-04T23:50:01.66
RD.ORIF.BHE. ML:2.4 0.0004295 0.4 AML other m 2017-12-04T23:50:02.43
RD.ORIF.BHN. ML:2.3 0.00034399999999999996 0.2 AML other m 2017-12-04T23:50:02.49
GU.LSD.HHN. ML:1.9 0.00016649999999999998 0.32 AML other m 2017-12-04T23:50:02.95
CH.GIMEL.HHN. ML:2.0 0.000082 1.08 AML other m 2017-12-04T23:50:05.99
IV.MRGE.HHN. ML:1.9 0.00013700000000000002 1.18 AML other m 2017-12-04T23:50:06.04
GU.RSP.HHN. ML:2.0 0.0001285 0.2 AML other m 2017-12-04T23:50:06.23
GU.RSP.HNN. ML:2.0 0.00012075 0.2 AML other m 2017-12-04T23:50:06.23
GU.RSP.HNE. ML:2.1 0.00017649999999999998 0.2 AML other m 2017-12-04T23:50:06.73
GU.RSP.HHE. ML:2.1 0.00019250000000000002 0.2 AML other m 2017-12-04T23:50:06.63
IV.MRGE.HHE. ML:1.8 0.00011499999999999999 0.76 AML other m 2017-12-04T23:50:09.80
GU.PZZ.HHN. ML:2.3 0.00014450000000000002 1.62 AML other m 2017-12-04T23:50:20.12
CH.DIX.HHN. ML:2.6 0.00033350000000000003 0.92 AML other m 2017-12-04T23:50:21.27
GU.PZZ.HHE. ML:2.2 0.000122 0.9 AML other m 2017-12-04T23:50:21.30
CH.DIX.HHE. ML:2.5 0.00028100000000000005 0.42 AML other m 2017-12-04T23:50:21.48
CH.GIMEL.HHE. ML:2.3 0.00013450000000000002 0.44 AML other m 2017-12-04T23:50:23.91
CH.MMK.HHN. ML:1.9 0.00003855 0.46 AML other m 2017-12-04T23:50:33.78
CH.MMK.HHE. ML:1.7 0.000030550000000000004 1.4 AML other m 2017-12-04T23:50:36.74
TDMT - Time Domain Moment Tensor
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