Earthquake with magnitude of ML 1.7 on date 13-10-2019 and time 05:32:20 (Italy) in region 8 km N Courmayeur (AO)

A magnitude ML 1.7 earthquake occured in region: 8 km N Courmayeur (AO), on

  • 13-10-2019 03:32:20 (UTC)
  • 13-10-2019 05:32:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8650, 6.9890 at 8 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 8 2807 2807
Pré-Saint-Didier AO 11 1050 3857
Morgex AO 13 2104 5961
La Salle AO 15 2087 8048
Saint-Rhémy-en-Bosses AO 16 338 8386
La Thuile AO 17 761 9147
Saint-Oyen AO 18 203 9350
Etroubles AO 20 501 9851

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 1.7 2019-10-13
03:32:20
45.8652 6.9892 8 2020-02-28
16:41:55
Bollettino Sismico Italiano INGV 73246941
Reviewed
Rev100
ML 1.7 2019-10-13
03:32:20
45.8635 6.9882 8 2019-10-13
03:42:06
Sala Sismica INGV-Roma 73227311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-13 03:32:20 ± 0.2
Latitude 45.8652 ± 0.0126
Longitude 6.9892 ± 0.0168
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73246941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1372
Semi-minor axis of confidence ellipse (meter) 1231
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
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) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 1.04681
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:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 73246941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-14 09:20:29

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 73227311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-13 03:42:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHZ. 2019-10-13T03:32:46.30 0.6 undecidable manual S 165 82.3509 50 0.3 43
GU.TRAV.HHZ. 2019-10-13T03:32:42.02 0.6 undecidable manual S 123 70.5738 50 -0.83 37
GU.BHB.HHZ. 2019-10-13T03:32:41.34 0.3 undecidable manual P 169 116.1948 50 0.71 53
CH.GIMEL.HHZ. 2019-10-13T03:32:37.79 0.3 undecidable manual P 323 92.6406 50 0.79 54
GU.CIRO.HHZ. 2019-10-13T03:32:37.34 0.3 undecidable manual S 123 53.502 50 -0.96 54
GU.RSP.HHZ. 2019-10-13T03:32:35.68 1.0 undecidable manual P 165 82.3509 50 0.27 22
GU.TRAV.HHZ. 2019-10-13T03:32:33.77 0.1 negative manual P 123 70.5738 50 0.18 90
GU.SATI.HHZ. 2019-10-13T03:32:33.65 0.3 undecidable manual P 89 67.9764 50 0.46 64
CH.DIX.HHZ. 2019-10-13T03:32:33.97 0.3 undecidable manual S 53 40.1265 50 -0.76 60
GU.CIRO.HHZ. 2019-10-13T03:32:30.86 0.3 undecidable manual P 123 53.502 50 -0.1 71
CH.DIX.HHZ. 2019-10-13T03:32:28.80 0.3 undecidable manual P 53 40.1265 50 -0.11 72
GU.REMY.HHZ. 2019-10-13T03:32:26.73 0.3 undecidable manual S 103 13.2756 122 0.35 72
IV.MRGE.HHE. 2019-10-13T03:32:25.93 0.6 undecidable manual S 152 11.9769 125 -0.07 51
GU.REMY.HHZ. 2019-10-13T03:32:24.52 0.1 undecidable manual P 103 13.2756 122 0.43 94
IV.MRGE.HHE. 2019-10-13T03:32:24.05 0.3 undecidable manual P 152 11.9769 125 0.19 75
GU.BLANC.HHZ. 2019-10-13T03:32:23.36 0.3 undecidable manual S 242 4.7952 150 -0.92 59
GU.BLANC.HHZ. 2019-10-13T03:32:22.64 0.1 undecidable manual P 242 4.7952 150 -0.23 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.REMY.HHE. ML:1.8 0.0006725 0.64 AML other m 2019-10-13T03:32:27.32
GU.REMY.HHN. ML:1.9 0.0008814999999999999 0.42 AML other m 2019-10-13T03:32:28.33
CH.DIX.HHE. ML:1.8 0.00023899999999999998 0.56 AML other m 2019-10-13T03:32:34.39
CH.DIX.HHN. ML:1.8 0.00020899999999999998 0.86 AML other m 2019-10-13T03:32:37.49
GU.CIRO.HHN. ML:1.7 0.000127 0.12 AML other m 2019-10-13T03:32:37.62
GU.CIRO.HHE. ML:1.6 0.00009784999999999999 1.04 AML other m 2019-10-13T03:32:38.09
GU.TRAV.HHN. ML:1.9 0.000134 1.62 AML other m 2019-10-13T03:32:42.02
GU.SATI.HHN. ML:1.4 0.00004285 1.7 AML other m 2019-10-13T03:32:43.90
GU.TRAV.HHE. ML:1.7 0.00007335 0.76 AML other m 2019-10-13T03:32:45.61
GU.SATI.HHE. ML:1.3 0.0000365 0.86 AML other m 2019-10-13T03:32:46.93
GU.RSP.HHN. ML:1.8 0.0000764 0.54 AML other m 2019-10-13T03:32:47.27
GU.RSP.HHE. ML:1.6 0.0000562 0.76 AML other m 2019-10-13T03:32:47.39
GU.BHB.HHN. ML:1.6 0.0000324 1.34 AML other m 2019-10-13T03:32:57.78
GU.BHB.HHE. ML:1.5 0.000024449999999999998 0.42 AML other m 2019-10-13T03:32:57.90
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