Earthquake with magnitude of ML 0.9 on date 02-10-2022 and time 08:38:21 (Italy) in region 9 km NE Courmayeur (AO)

A magnitude ML 0.9 earthquake occured in region: 9 km NE Courmayeur (AO), on

  • 02-10-2022 06:38:21 (UTC)
  • 02-10-2022 08:38:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8620, 7.0300 at 10 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 9 2807 2807
Pré-Saint-Didier AO 11 1050 3857
Morgex AO 12 2104 5961
Saint-Rhémy-en-Bosses AO 13 338 6299
La Salle AO 13 2087 8386
Saint-Oyen AO 15 203 8589
Etroubles AO 16 501 9090
La Thuile AO 17 761 9851
Avise AO 19 305 10156
Saint-Nicolas AO 19 311 10467
Allein AO 20 229 10696

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 0.9 2022-10-02
06:38:21
45.8622 7.0303 10 2022-10-02
06:44:09
Sala Sismica INGV-Roma 110405041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-02 06:38:21 ± 0.45
Latitude 45.8622 ± 0.0135
Longitude 7.0303 ± 0.0413
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 110405041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3352
Semi-minor axis of confidence ellipse (meter) 1128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 3350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 240
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) 0.09083
Epicentral distance of station farthest from the epicenter (degree) 0.60974
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:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 110405041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-02 06:44:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CIRO.HHZ. 2022-10-02T06:38:37.83 0.6 undecidable manual S 125 50.616 50 -0.05 64
GU.LSD.HHZ. 2022-10-02T06:38:35.96 0.6 undecidable manual S 170 45.3213 50 -0.5 59
GU.TRAV.HHZ. 2022-10-02T06:38:34.11 0.3 negative manual P 125 67.6767 50 0.45 85
CH.DIX.HHZ. 2022-10-02T06:38:33.85 0.3 undecidable manual S 50 37.8288 50 -0.61 85
GU.CIRO.HHZ. 2022-10-02T06:38:31.38 0.3 negative manual P 125 50.616 50 0.34 90
GU.LSD.HHZ. 2022-10-02T06:38:30.55 0.6 undecidable manual P 170 45.3213 50 0.33 61
CH.DIX.HHZ. 2022-10-02T06:38:29.28 0.6 undecidable manual P 50 37.8288 50 0.21 63
IV.MRGE.HHZ. 2022-10-02T06:38:26.48 0.3 undecidable manual S 167 10.4784 134 -0.3 98
IV.MRGE.HHZ. 2022-10-02T06:38:24.45 0.3 undecidable manual P 167 10.4784 134 -0.18 100
GU.REMY.HHZ. 2022-10-02T06:38:24.87 0.3 undecidable manual P 105 10.0788 135 0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHN. ML:1.1 0.00015698429999999998 0.2368 AML other m 2022-10-02T06:38:26.71
IV.MRGE.HHE. ML:1.0 0.000118786335 0.1792 AML other m 2022-10-02T06:38:26.74
CH.DIX.HHE. ML:1.0 0.00003956501499999999 0.1408 AML other m 2022-10-02T06:38:34.63
CH.DIX.HHN. ML:1.2 0.000060727089999999996 0.9312 AML other m 2022-10-02T06:38:32.22
GU.LSD.HHE. ML:0.9 0.000023477150000000003 0.1984 AML other m 2022-10-02T06:38:35.82
GU.LSD.HHN. ML:0.7 0.00001262783 0.1216 AML other m 2022-10-02T06:38:36.29
GU.CIRO.HHE. ML:0.3 0.0000059358834 0.4992 AML other m 2022-10-02T06:38:37.87
GU.CIRO.HHN. ML:0.3 0.000006299112000000001 0.1408 AML other m 2022-10-02T06:38:37.98
GU.TRAV.HHE. ML:0.8 0.0000077813375 0.2016 AML other m 2022-10-02T06:38:50.27
GU.TRAV.HHN. ML:0.9 0.00001484348 1.4784 AML other m 2022-10-02T06:38:33.15
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