Earthquake with magnitude of ML 1.4 on date 17-12-2017 and time 19:43:59 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.4 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 17-12-2017 19:43:59 (UTC)
  • 17-12-2017 20:43:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5570, 6.8970 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bellino CN 10 109 109
Acceglio CN 12 162 271
Pontechianale CN 13 179 450
Casteldelfino CN 14 157 607
Prazzo CN 15 170 777
Elva CN 15 97 874
Canosio CN 19 80 954
Stroppo CN 19 103 1057
Marmora CN 19 68 1125

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km W of Cuneo (56081 inhabitants)
80 Km SW of Moncalieri (57294 inhabitants)
85 Km SW of Torino (890529 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 1.4 2017-12-17
19:43:59
44.5573 6.8972 10 2018-09-04
09:10:45
Bollettino Sismico Italiano INGV 58999691
Reviewed
Rev100
ML 1.3 2017-12-17
19:43:59
44.5607 6.9013 10 2017-12-17
19:53:50
Sala Sismica INGV-Roma 52646081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-17 19:43:59 ± 0.16
Latitude 44.5573 ± 0.0072
Longitude 6.8972 ± 0.0101
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 58999691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 968
Semi-minor axis of confidence ellipse (meter) 288
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.16368
Epicentral distance of station farthest from the epicenter (degree) 0.94699
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 58999691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-23 15:04:00

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 52646081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-17 19:53:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2017-12-17T19:44:30.58 0.3 undecidable manual S 118 105.117 50 0.26 62
RD.ORIF.BHZ. 2017-12-17T19:44:25.72 0.3 undecidable manual S 297 89.6436 50 -0.47 61
GU.GBOS.HHZ. 2017-12-17T19:44:24.44 0.3 undecidable manual S 115 82.5507 50 0.14 66
GU.RSP.HHZ. 2017-12-17T19:44:21.59 0.6 undecidable manual S 24 71.6727 50 0.2 45
GU.RORO.HHZ. 2017-12-17T19:44:17.81 0.3 undecidable manual P 118 105.117 50 0.5 59
GU.ENR.HHZ. 2017-12-17T19:44:16.79 0.3 undecidable manual S 131 55.4001 50 -0.26 68
RD.ORIF.BHZ. 2017-12-17T19:44:15.12 0.1 undecidable manual P 297 89.6436 50 0.19 86
GU.STV.HHZ. 2017-12-17T19:44:14.82 0.3 undecidable manual S 135 48.5181 50 -0.4 67
GU.GBOS.HHZ. 2017-12-17T19:44:14.31 0.3 undecidable manual P 115 82.5507 50 0.48 62
GU.RRL.HHZ. 2017-12-17T19:44:13.22 0.3 undecidable manual S 348 41.2254 50 -0.04 73
GU.BHB.HHZ. 2017-12-17T19:44:12.99 0.3 undecidable manual S 43 42.2244 50 -0.55 65
GU.RSP.HHZ. 2017-12-17T19:44:12.91 0.6 undecidable manual P 24 71.6727 50 0.75 38
GU.ENR.HHZ. 2017-12-17T19:44:09.64 0.3 undecidable manual P 131 55.4001 50 -0.01 72
GU.STV.HHZ. 2017-12-17T19:44:08.54 0.1 undecidable manual P 135 48.5181 50 -0.05 96
GU.RRL.HHZ. 2017-12-17T19:44:07.33 0.1 undecidable manual P 348 41.2254 50 -0.14 96
GU.BHB.HHZ. 2017-12-17T19:44:07.82 0.3 undecidable manual P 43 42.2244 50 0.2 71
GU.PZZ.HHZ. 2017-12-17T19:44:06.37 0.1 undecidable manual S 108 18.1707 118 -0.35 95
GU.PZZ.HHZ. 2017-12-17T19:44:03.79 0.1 positive manual P 108 18.1707 118 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:2.1 0.001017 0.18 AML other m 2017-12-17T19:44:06.99
GU.BHB.HHN. ML:1.3 0.00006685 0.2 AML other m 2017-12-17T19:44:13.15
GU.BHB.HHE. ML:1.1 0.00003815 0.62 AML other m 2017-12-17T19:44:14.35
GU.RRL.HHE. ML:1.0 0.00003413471 1.22 AML other m 2017-12-17T19:44:14.68
GU.RRL.HHN. ML:0.9 0.000026944159 1.48 AML other m 2017-12-17T19:44:14.84
GU.STV.HHE. ML:1.0 0.000029139530000000003 0.68 AML other m 2017-12-17T19:44:15.43
GU.STV.HHN. ML:1.3 0.00005798476 0.24 AML other m 2017-12-17T19:44:15.10
GU.ENR.HHE. ML:1.3 0.000049127975000000006 0.1 AML other m 2017-12-17T19:44:17.41
GU.ENR.HHN. ML:1.3 0.000051564415000000005 0.16 AML other m 2017-12-17T19:44:18.47
GU.RSP.HHE. ML:1.2 0.000026023285 0.82 AML other m 2017-12-17T19:44:21.74
GU.RSP.HHN. ML:1.3 0.000032325350000000004 0.54 AML other m 2017-12-17T19:44:22.85
GU.RSP.HNE. ML:1.6 0.000059883955 1.34 AML other m 2017-12-17T19:44:22.94
GU.RSP.HNN. ML:1.6 0.000072312525 0.5 AML other m 2017-12-17T19:44:23.33
GU.GBOS.HHN. ML:1.5 0.000038204310000000004 0.6 AML other m 2017-12-17T19:44:24.89
GU.GBOS.HHE. ML:1.5 0.000042978435 0.32 AML other m 2017-12-17T19:44:24.83
GU.RORO.HHE. ML:1.4 0.000024300667000000002 0.28 AML other m 2017-12-17T19:44:31.80
GU.RORO.HHN. ML:1.6 0.000040481825 0.54 AML other m 2017-12-17T19:44:33.23
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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