Earthquake with magnitude of ML 1.3 on date 07-08-2017 and time 18:41:03 (Italy) in region V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA)

A magnitude ML 1.3 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on

  • 07-08-2017 16:41:03 (UTC)
  • 07-08-2017 18:41:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8980, 6.8670 at 11 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
Courmayeur AO 14 2807 2807
Pré-Saint-Didier AO 18 1050 3857

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 1.3 2017-08-07
16:41:03
45.8978 6.8668 11 2018-07-06
15:40:36
Bollettino Sismico Italiano INGV 53423961
Reviewed
Rev100
ML 1.4 2017-08-07
16:41:03
45.8887 6.8518 13 2017-08-07
16:48:20
Sala Sismica INGV-Roma 48782361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-08-07 16:41:03 ± 0.14
Latitude 45.8978 ± 0.0063
Longitude 6.8668 ± 0.0065
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53423961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 656
Semi-minor axis of confidence ellipse (meter) 495
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.18616
Epicentral distance of station farthest from the epicenter (degree) 1.19880
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:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 53423961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-25 09:33:48

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 48782361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-08-07 16:48:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHZ. 2017-08-07T16:41:29.47 0.6 undecidable manual S 159 88.7445 90 -0.29 42
CH.GIMEL.HHN. 2017-08-07T16:41:28.29 0.6 undecidable manual S 327 84.249 90 -0.28 42
GU.TRAV.HHZ. 2017-08-07T16:41:27.33 0.6 undecidable manual S 122 80.4639 90 -0.22 44
RD.ORIF.BHZ. 2017-08-07T16:41:25.23 1.0 undecidable manual P 216 133.0668 90 -0.31 19
GU.CIRO.HHZ. 2017-08-07T16:41:22.68 0.6 undecidable manual S 121 63.492 90 -0.32 44
GU.RRL.HHE. 2017-08-07T16:41:21.95 0.3 undecidable manual P 183 108.5136 90 0.19 62
CH.MMK.HHZ. 2017-08-07T16:41:19.02 0.6 undecidable manual P 78 86.247 90 0.7 37
GU.LSD.HHZ. 2017-08-07T16:41:19.43 0.6 undecidable manual S 157 52.9026 90 -0.75 39
GU.RSP.HHZ. 2017-08-07T16:41:19.13 0.1 undecidable manual P 159 88.7445 90 0.42 82
GU.TRAV.HHZ. 2017-08-07T16:41:17.80 0.1 positive manual P 122 80.4639 90 0.37 84
CH.GIMEL.HHN. 2017-08-07T16:41:17.95 0.3 undecidable manual P 327 84.249 90 -0.07 66
GU.SATI.HHN. 2017-08-07T16:41:16.97 0.3 undecidable manual P 91 77.367 90 0.01 68
GU.CIRO.HHZ. 2017-08-07T16:41:15.00 0.1 undecidable manual P 121 63.492 90 0.19 90
GU.LSD.HHZ. 2017-08-07T16:41:13.10 0.3 undecidable manual P 157 52.9026 90 -0.07 70
GU.REMY.HHZ. 2017-08-07T16:41:12.65 0.6 undecidable manual S 106 23.3544 91 0.35 46
IV.MRGE.HHZ. 2017-08-07T16:41:11.35 0.6 undecidable manual S 133 20.6682 92 -0.23 48
CH.DIX.HHN. 2017-08-07T16:41:11.22 0.3 undecidable manual P 64 46.3203 90 -0.95 55
IV.MRGE.HHZ. 2017-08-07T16:41:08.15 0.1 negative manual P 133 20.6682 92 -0.07 100
GU.REMY.HHZ. 2017-08-07T16:41:08.81 0.1 negative manual P 106 23.3544 91 0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.REMY.HHE. ML:1.2 0.000097045245 0.1 AML other m 2017-08-07T16:41:08.95
IV.MRGE.HHN. ML:1.6 0.00029772975000000003 0.14 AML other m 2017-08-07T16:41:11.55
GU.REMY.HHN. ML:1.1 0.000077368565 0.1 AML other m 2017-08-07T16:41:12.88
GU.LSD.HHE. ML:1.6 0.00010565605 0.08 AML other m 2017-08-07T16:41:19.66
GU.LSD.HHN. ML:1.6 0.000086295705 0.12 AML other m 2017-08-07T16:41:19.93
GU.CIRO.HHE. ML:1.0 0.000020918688500000002 0.14 AML other m 2017-08-07T16:41:22.79
GU.CIRO.HHN. ML:1.5 0.000053648155 0.22 AML other m 2017-08-07T16:41:22.79
CH.MMK.HHN. ML:0.9 0.00001010196315 0.1168 AML other m 2017-08-07T16:41:29.86
CH.MMK.HHE. ML:0.9 0.0000087286515 0.2168 AML other m 2017-08-07T16:41:30.51
GU.RSP.HHE. ML:1.4 0.000031428595 0.18 AML other m 2017-08-07T16:41:30.63
GU.RSP.HHN. ML:1.4 0.000031287505 0.2 AML other m 2017-08-07T16:41:31.39
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download