Earthquake with magnitude of ML 1.0 on date 25-10-2019 and time 01:31:42 (Italy) in region V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA)

A magnitude ML 1.0 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on

  • 24-10-2019 23:31:42 (UTC)
  • 25-10-2019 01:31:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.9010, 6.9020 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 13 2807 2807
Pré-Saint-Didier AO 17 1050 3857
Morgex AO 19 2104 5961

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
Reviewed
Rev100
ML 1.0 2019-10-24
23:31:42
45.901 6.9018 8 2019-10-24
23:38:11
Sala Sismica INGV-Roma 73431011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-24 23:31:42 ± 0.24
Latitude 45.9010 ± 0.0207
Longitude 6.9018 ± 0.0168
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73431011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2262
Semi-minor axis of confidence ellipse (meter) 1303
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 187
Circular confidence region, given by single value of horizontal uncertainty (meter) 2260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.77072
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 73431011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-24 23:38:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.GIMEL.HHE. 2019-10-24T23:31:57.38 0.6 undecidable manual P 325 85.5477 50 -0.08 43
CH.DIX.HHZ. 2019-10-24T23:31:56.67 0.3 undecidable manual S 63 43.8228 50 -0.6 62
GU.LSD.HHZ. 2019-10-24T23:31:52.46 1.0 undecidable manual P 160 52.2033 50 0.13 23
CH.DIX.HHZ. 2019-10-24T23:31:51.29 0.3 undecidable manual P 63 43.8228 50 0.25 67
GU.REMY.HHZ. 2019-10-24T23:31:50.38 0.1 undecidable manual S 110 20.868 112 0.07 97
IV.MRGE.HHZ. 2019-10-24T23:31:49.58 0.3 undecidable manual S 140 19.0698 114 -0.16 72
GU.REMY.HHZ. 2019-10-24T23:31:47.45 0.1 positive manual P 110 20.868 112 0.43 90
IV.MRGE.HHZ. 2019-10-24T23:31:46.89 0.1 positive manual P 140 19.0698 114 0.21 95
GU.BLANC.HHZ. 2019-10-24T23:31:45.64 0.3 undecidable manual S 158 6.7932 141 -0.6 66
GU.BLANC.HHZ. 2019-10-24T23:31:44.72 0.1 undecidable manual P 158 6.7932 141 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BLANC.HHN. ML:1.5 0.000641 0.12 AML other m 2019-10-24T23:31:45.88
GU.BLANC.HHE. ML:1.7 0.000819 0.52 AML other m 2019-10-24T23:31:45.73
IV.MRGE.HHE. ML:0.6 0.000033349795000000003 0.2688 AML other m 2019-10-24T23:31:49.72
GU.REMY.HHE. ML:0.6 0.000028394454999999997 0.2176 AML other m 2019-10-24T23:31:50.73
GU.REMY.HHN. ML:0.8 0.000043603910000000005 0.1664 AML other m 2019-10-24T23:31:50.48
CH.DIX.HHE. ML:1.0 0.000034270330000000005 1.5104 AML other m 2019-10-24T23:31:57.57
CH.DIX.HHN. ML:1.1 0.000038631605 5.9392 AML other m 2019-10-24T23:31:57.32
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download