Earthquake with magnitude of ML 1.4 on date 13-10-2019 and time 06:21:17 (Italy) in region 7 km N Courmayeur (AO)

A magnitude ML 1.4 earthquake occured in region: 7 km N Courmayeur (AO), on

  • 13-10-2019 04:21:17 (UTC)
  • 13-10-2019 06:21:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8550, 6.9930 at 9 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 7 2807 2807
Pré-Saint-Didier AO 10 1050 3857
Morgex AO 11 2104 5961
La Salle AO 14 2087 8048
Saint-Rhémy-en-Bosses AO 15 338 8386
La Thuile AO 16 761 9147
Saint-Oyen AO 17 203 9350
Etroubles AO 19 501 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
Reviewed
Rev100
ML 1.4 2019-10-13
04:21:17
45.855 6.9928 9 2019-10-13
04:29:35
Sala Sismica INGV-Roma 73228111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-13 04:21:17 ± 0.22
Latitude 45.8550 ± 0.0135
Longitude 6.9928 ± 0.0181
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73228111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1480
Semi-minor axis of confidence ellipse (meter) 1315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 1480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.57
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94429
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 73228111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-13 04:29:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ORIF.BHZ. 2019-10-13T04:21:43.93 3.0 undecidable manual P 0
GU.RSP.HHE. 2019-10-13T04:21:41.92 0.3 undecidable manual S 165 81.252 50 -0.33 62
GU.SATI.HHE. 2019-10-13T04:21:38.18 0.3 undecidable manual S 88 67.6767 50 -0.45 62
GU.TRAV.HHE. 2019-10-13T04:21:38.49 0.3 undecidable manual S 123 69.6747 50 -0.68 57
GU.RRL.HHE. 2019-10-13T04:21:36.14 0.3 undecidable manual P 189 104.8173 50 0.66 54
CH.GIMEL.HHE. 2019-10-13T04:21:34.57 0.1 undecidable manual P 324 93.7395 50 0.8 69
GU.CIRO.HHZ. 2019-10-13T04:21:33.99 0.1 undecidable manual S 122 52.7028 50 -0.63 80
GU.RSP.HHE. 2019-10-13T04:21:32.51 0.3 undecidable manual P 165 81.252 50 0.67 56
GU.SATI.HHE. 2019-10-13T04:21:31.57 0.3 undecidable manual P 88 67.6767 50 1.81 31
GU.TRAV.HHE. 2019-10-13T04:21:30.35 0.3 undecidable manual P 123 69.6747 50 0.28 64
CH.DIX.HHZ. 2019-10-13T04:21:30.48 0.3 undecidable manual S 52 40.626 50 -0.92 54
GU.CIRO.HHZ. 2019-10-13T04:21:27.58 0.3 undecidable manual P 122 52.7028 50 0.14 68
CH.DIX.HHZ. 2019-10-13T04:21:25.49 0.1 undecidable manual P 52 40.626 50 -0.09 94
GU.REMY.HHZ. 2019-10-13T04:21:23.37 0.1 undecidable manual S 99 12.7761 125 0.32 94
IV.MRGE.HHZ. 2019-10-13T04:21:22.55 0.1 undecidable manual S 151 10.878 130 0.05 100
GU.REMY.HHZ. 2019-10-13T04:21:21.19 0.1 positive manual P 99 12.7761 125 0.43 92
GU.BLANC.HHZ. 2019-10-13T04:21:20.00 0.1 undecidable manual S 255 4.6953 152 -1.13 70
IV.MRGE.HHZ. 2019-10-13T04:21:20.69 0.1 positive manual P 151 10.878 130 0.25 96
GU.BLANC.HHZ. 2019-10-13T04:21:19.29 0.1 undecidable manual P 255 4.6953 152 -0.36 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BLANC.HHE. ML:2.1 0.0023732009999999997 0.1408 AML other m 2019-10-13T04:21:20.42
GU.BLANC.HHN. ML:2.0 0.001722155 0.0992 AML other m 2019-10-13T04:21:20.11
IV.MRGE.HHE. ML:1.5 0.00044613625 0.1024 AML other m 2019-10-13T04:21:22.84
IV.MRGE.HHN. ML:1.6 0.0005675052499999999 0.1216 AML other m 2019-10-13T04:21:22.71
GU.REMY.HHE. ML:1.0 0.00012177255000000001 0.1216 AML other m 2019-10-13T04:21:23.64
GU.REMY.HHN. ML:1.1 0.000137513535 0.08 AML other m 2019-10-13T04:21:23.96
CH.DIX.HHE. ML:1.1 0.000044847355 0.2976 AML other m 2019-10-13T04:21:30.60
CH.DIX.HHN. ML:1.0 0.000036702145000000005 0.2496 AML other m 2019-10-13T04:21:33.82
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