Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 06-11-2019 and time 16:25:08 (Italy) in region 8 km NE Courmayeur (AO)

A magnitude ML 1.6 earthquake occured in region: 8 km NE Courmayeur (AO), on

  • 06-11-2019 15:25:08 (UTC)
  • 06-11-2019 16:25:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8620, 7.0080 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.

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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 8 2807 2807
Pré-Saint-Didier AO 11 1050 3857
Morgex AO 12 2104 5961
La Salle AO 14 2087 8048
Saint-Rhémy-en-Bosses AO 14 338 8386
Saint-Oyen AO 16 203 8589
La Thuile AO 17 761 9350
Etroubles AO 18 501 9851
Avise AO 20 305 10156

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 1.6 2019-11-06
15:25:08		 45.8622 7.008 10 2020-02-28
16:42:24		 Bollettino Sismico Italiano INGV 76440731
Reviewed
Rev100 		ML 1.6 2019-11-06
15:25:08		 45.8603 6.9997 11 2019-11-06
15:36:26		 Sala Sismica INGV-Roma 73693501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-06 15:25:08 ± 0.19
Latitude 45.8622 ± 0.0099
Longitude 7.0080 ± 0.0142
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 76440731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1228
Semi-minor axis of confidence ellipse (meter) 990
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 314
Circular confidence region, given by single value of horizontal uncertainty (meter) 1230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.95328
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 73693501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-06 15:36:26

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 76440731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-11 17:35:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SATI.HHZ. 2019-11-06T15:25:28.40 0.6 undecidable manual S 88 66.4779 50 -0.21 43
GU.RRL.HHE. 2019-11-06T15:25:26.97 0.6 undecidable manual P 189 105.8163 50 0.91 32
GU.CIRO.HHE. 2019-11-06T15:25:24.40 0.3 undecidable manual S 123 52.1034 50 -0.37 64
GU.RSP.HNN. 2019-11-06T15:25:23.09 0.6 undecidable manual P 166 81.6516 50 0.75 36
GU.LSD.HHZ. 2019-11-06T15:25:22.60 0.1 undecidable manual S 168 45.7209 50 -0.47 85
GU.TRAV.HHZ. 2019-11-06T15:25:21.12 0.6 undecidable manual P 124 69.1752 50 0.71 37
GU.SATI.HHZ. 2019-11-06T15:25:20.35 0.3 undecidable manual P 88 66.4779 50 0.35 63
CH.DIX.HHZ. 2019-11-06T15:25:20.70 0.3 undecidable manual S 52 39.2274 50 -0.62 61
GU.LSD.HHZ. 2019-11-06T15:25:17.15 0.1 undecidable manual P 168 45.7209 50 0.35 87
GU.CIRO.HHE. 2019-11-06T15:25:17.35 0.1 undecidable manual P 123 52.1034 50 -0.43 84
CH.DIX.HHZ. 2019-11-06T15:25:16.05 0.3 undecidable manual P 52 39.2274 50 0.26 67
IV.MRGE.HHZ. 2019-11-06T15:25:13.30 0.1 undecidable manual S 158 11.0778 133 -0.19 95
GU.REMY.HHZ. 2019-11-06T15:25:13.70 0.1 undecidable manual S 103 11.7771 131 0.01 99
GU.REMY.HHZ. 2019-11-06T15:25:11.80 0.1 negative manual P 103 11.7771 131 0.41 91
IV.MRGE.HHZ. 2019-11-06T15:25:11.48 0.1 positive manual P 158 11.0778 133 0.2 95
GU.BLANC.HHZ. 2019-11-06T15:25:11.70 0.3 undecidable manual S 251 6.0939 150 -0.7 62
GU.BLANC.HHZ. 2019-11-06T15:25:10.64 0.1 positive manual P 251 6.0939 150 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BLANC.HHN. ML:1.8 0.001085 0.08 AML other m 2019-11-06T15:25:10.80
GU.BLANC.HHE. ML:1.8 0.0009590000000000001 0.1 AML other m 2019-11-06T15:25:10.77
IV.MRGE.HHN. ML:1.5 0.000386 0.2 AML other m 2019-11-06T15:25:13.44
IV.MRGE.HHE. ML:1.7 0.000625 0.2 AML other m 2019-11-06T15:25:13.35
GU.REMY.HHE. ML:1.4 0.00029700000000000006 0.1 AML other m 2019-11-06T15:25:13.91
GU.REMY.HHN. ML:1.4 0.000298 1.54 AML other m 2019-11-06T15:25:13.92
CH.DIX.HHE. ML:1.6 0.00014105 1.6 AML other m 2019-11-06T15:25:20.95
CH.DIX.HHN. ML:1.7 0.000162 1.1 AML other m 2019-11-06T15:25:21.73
GU.LSD.HHE. ML:0.0 0.00000031718909999999996 0.1408 AML other m 2019-11-06T15:25:22.61
GU.LSD.HHN. ML:1.0 0.00003009148 2.24 AML other m 2019-11-06T15:25:23.78
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