Earthquake (controlled explosion) with magnitude of ML 2.3 on date 02-12-2015 and time 08:58:54 (Italy) in region Costa Francese (FRANCIA)

A magnitude ML 2.3 (controlled explosion) earthquake occured in region: Costa Francese (FRANCIA), on

  • 02-12-2015 07:58:54 (UTC)
  • 02-12-2015 08:58:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2580, 6.7480 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: controlled explosion.

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 2.3 2015-12-02
07:58:54
43.2577 6.7478 1 2016-02-19
13:23:08
Bollettino Sismico Italiano INGV 23536841
Reviewed
Rev100
ML 2.3 2015-12-02
07:58:56
43.2862 6.8117 19 2015-12-02
08:08:11
Sala Sismica INGV-Roma 22512201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-12-02 07:58:54 ± 0.46
Latitude 43.2577 ± 0.0216
Longitude 6.7478 ± 0.0408
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type controlled explosion
Origin ID 23536841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3540
Semi-minor axis of confidence ellipse (meter) 2020
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 3540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 219
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.19704
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 23536841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-02-18 17:43:45

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 22512201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-12-02 08:08:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VARN.HHZ. 2015-12-02T08:01:08.99 3.0 undecidable manual Sn 7.41 0
IV.TOLF.HHZ. 2015-12-02T08:01:07.99 3.0 undecidable manual Sg 13.27 0
CR.STON.BHZ. 2015-12-02T08:01:00.18 3.0 undecidable manual Pn 2.48 0
IV.SRES.HHZ. 2015-12-02T08:00:53.99 3.0 undecidable manual Sn -7.62 0
SL.LJU.BHZ. 2015-12-02T08:00:52.32 3.0 undecidable manual Pg 22.42 0
TT.TAMR.HHZ.00 2015-12-02T08:00:51.52 3.0 positive manual Pg 8.2 0
IV.MRB1.HHZ. 2015-12-02T08:00:41.08 3.0 negative manual Pn 3.01 0
NI.CLUD.HHZ. 2015-12-02T08:00:40.12 3.0 undecidable manual Pg 21.879999 0
IV.VENT.EHZ. 2015-12-02T08:00:38.53 3.0 positive manual Pg 12.28 0
IV.NRCA.HNZ. 2015-12-02T08:00:17.43 3.0 undecidable manual Pg 5.33 0
MN.AQU.HHZ. 2015-12-02T08:00:14.00 3.0 undecidable manual Pn -2.72 0
IV.IMOL.EHZ. 2015-12-02T08:00:08.63 3.0 positive manual Pg 11.16 0
IV.BRSN.HNZ. 2015-12-02T08:00:08.28 3.0 negative manual Pg 7.69 0
IV.CASP.HHZ. 2015-12-02T07:59:44.38 3.0 negative manual Pn -5.96 0
FR.SMPL.HHZ. 2015-12-02T07:59:33.74 0.3 undecidable manual P 121 243.867 38 0.64 35
RD.ORIF.BHZ. 2015-12-02T07:59:27.19 0.6 undecidable manual P 340 196.7586 38 -0.05 37
RD.PGF.BHZ. 2015-12-02T07:59:27.14 0.3 undecidable manual P 113 199.1451 38 -0.39 51
GU.RRL.HHZ. 2015-12-02T07:59:26.33 0.6 undecidable manual P 1 184.5708 50 0.65 34
GU.PCP.HHZ. 2015-12-02T07:59:26.61 0.6 undecidable manual P 45 202.242 -1.31 23
GU.BHB.HHZ. 2015-12-02T07:59:24.48 0.6 undecidable manual P 13 179.7867 50 -0.46 37
IV.QLNO.HHZ. 2015-12-02T07:59:23.41 0.6 undecidable manual P 47 174.2922 50 -0.69 35
GU.GBOS.HHZ. 2015-12-02T07:59:19.23 0.3 undecidable manual P 38 139.8489 50 0.43 66
GU.PZZ.HHZ. 2015-12-02T07:59:18.94 0.3 undecidable manual P 12 141.6471 50 -0.13 70
GU.RORO.HHZ. 2015-12-02T07:59:18.79 0.3 undecidable manual P 48 142.0467 50 -0.34 67
GU.MGRO.HHZ. 2015-12-02T07:59:16.43 0.1 undecidable manual P 44 121.7892 50 0.43 92
GU.ENR.HHZ. 2015-12-02T07:59:15.72 0.1 undecidable manual P 26 120.2907 50 -0.05 100
IV.IMI.HHZ. 2015-12-02T07:59:15.36 0.3 undecidable manual P 51 117.0939 50 0.07 75
FR.SAOF.HHZ. 2015-12-02T07:59:13.15 3.0 undecidable manual P -0.23 0
GU.BURY.HHZ. 2015-12-02T07:59:10.84 0.3 undecidable manual P 48 87.3459 50 0.14 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHE. ML:2.1 0.0000518 1.58 AML other m 2015-12-02T07:59:27.11
GU.BHB.HHN. ML:2.3 0.0000693 1.1 AML other m 2015-12-02T07:59:26.76
GU.BURY.HHE. ML:2.0 0.00013350000000000002 1.56 AML other m 2015-12-02T07:59:22.73
GU.BURY.HHN. ML:2.1 0.000158 0.62 AML other m 2015-12-02T07:59:23.08
GU.ENR.HHN. ML:2.7 0.0003705 0.24 AML other m 2015-12-02T07:59:17.72
GU.ENR.HHE. ML:2.5 0.00022999999999999998 0.18 AML other m 2015-12-02T07:59:17.99
GU.GBOS.HHN. ML:2.4 0.000157 0.28 AML other m 2015-12-02T07:59:20.75
GU.GBOS.HHE. ML:2.3 0.00010705 0.42 AML other m 2015-12-02T07:59:37.30
IV.IMI.HHN. ML:2.4 0.000217 0.4 AML other m 2015-12-02T07:59:30.66
IV.IMI.HHE. ML:2.2 0.00013700000000000002 0.42 AML other m 2015-12-02T07:59:30.13
RD.ORIF.BHN. ML:2.4 0.00008285000000000001 0.24 AML other m 2015-12-02T07:59:31.34
RD.ORIF.BHE. ML:2.3 0.00006395000000000001 0.52 AML other m 2015-12-02T07:59:55.18
GU.PZZ.HHN. ML:2.8 0.000335 0.28 AML other m 2015-12-02T07:59:21.45
GU.PZZ.HHE. ML:2.8 0.0003915 0.66 AML other m 2015-12-02T07:59:20.28
IV.QLNO.HHN. ML:2.1 0.00004865 1.26 AML other m 2015-12-02T07:59:49.11
IV.QLNO.HHE. ML:2.3 0.00008020000000000001 0.24 AML other m 2015-12-02T07:59:25.39
GU.RORO.HHN. ML:2.2 0.00009245000000000001 1.5 AML other m 2015-12-02T07:59:37.41
GU.RORO.HHE. ML:2.3 0.000121 0.38 AML other m 2015-12-02T07:59:36.36
FR.SAOF.HHE.00 ML:2.1 0.00011449999999999999 1.36 AML other m 2015-12-02T07:59:14.23
FR.SAOF.HHN.00 ML:2.2 0.00014000000000000001 0.24 AML other m 2015-12-02T07:59:15.23
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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