Earthquake with magnitude of ML 0.8 on date 15-12-2022 and time 23:22:10 (Italy) in region V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA)

A magnitude ML 0.8 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on

  • 15-12-2022 22:22:10 (UTC)
  • 15-12-2022 23:22:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8790, 7.0940 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
Saint-Rhémy-en-Bosses AO 9 338 338
Saint-Oyen AO 11 203 541
Etroubles AO 13 501 1042
Courmayeur AO 13 2807 3849
Morgex AO 14 2104 5953
La Salle AO 15 2087 8040
Pré-Saint-Didier AO 15 1050 9090
Allein AO 16 229 9319
Ollomont AO 17 157 9476
Doues AO 18 510 9986
Saint-Nicolas AO 19 311 10297
Valpelline AO 19 657 10954
Avise AO 19 305 11259
Gignod AO 19 1710 12969
Roisan AO 20 1036 14005

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 0.8 2022-12-15
22:22:10
45.8788 7.0945 9 2022-12-15
22:31:23
Sala Sismica INGV-Roma 112843891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-15 22:22:10 ± 0.23
Latitude 45.8788 ± 0.0099
Longitude 7.0945 ± 0.0220
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 112843891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1776
Semi-minor axis of confidence ellipse (meter) 755
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 1780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.11152
Epicentral distance of station farthest from the epicenter (degree) 0.87594
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 112843891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-15 22:31:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHE. 2022-12-15T22:22:35.39 0.6 undecidable manual S 171 82.1511 50 0.49 40
CH.MMK.HHE. 2022-12-15T22:22:31.57 0.6 undecidable manual S 74 69.6747 50 -0.01 46
GU.TRAV.HHZ. 2022-12-15T22:22:30.40 0.6 undecidable manual S 129 64.7907 50 0.12 45
GU.SATI.HHZ. 2022-12-15T22:22:28.93 0.6 undecidable manual S 90 59.7957 50 0 47
MN.BNI.HHE. 2022-12-15T22:22:27.09 0.1 undecidable manual P 200 97.2249 50 0.36 80
GU.CIRO.HHZ. 2022-12-15T22:22:25.60 0.6 undecidable manual S 130 47.8188 50 -0.14 46
GU.RSP.HHE. 2022-12-15T22:22:24.69 0.1 undecidable manual P 171 82.1511 50 0.29 84
GU.LSD.HHZ. 2022-12-15T22:22:24.32 0.3 undecidable manual S 176 46.62 50 -1.1 50
CH.MMK.HHE. 2022-12-15T22:22:22.13 0.6 undecidable manual P 74 69.6747 50 -0.35 43
GU.TRAV.HHZ. 2022-12-15T22:22:22.12 0.6 positive manual P 129 64.7907 50 0.39 43
CH.DIX.HHZ. 2022-12-15T22:22:21.44 0.6 undecidable manual S 47 32.9448 50 -0.32 46
GU.SATI.HHZ. 2022-12-15T22:22:21.81 0.6 undecidable manual P 90 59.7957 50 0.86 36
GU.CIRO.HHZ. 2022-12-15T22:22:19.16 0.3 undecidable manual P 130 47.8188 50 0.05 71
GU.LSD.HHZ. 2022-12-15T22:22:18.69 0.6 negative manual P 176 46.62 50 -0.23 46
CH.DIX.HHZ. 2022-12-15T22:22:16.61 0.3 undecidable manual P 47 32.9448 50 -0.2 70
IV.MRGE.HHE. 2022-12-15T22:22:15.15 0.6 undecidable manual S 192 12.3765 126 -0.2 49
IV.MRGE.HHE. 2022-12-15T22:22:13.04 0.1 undecidable manual P 192 12.3765 126 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:1.1 0.00004914961 0.4608 AML other m 2022-12-15T22:22:21.96
CH.DIX.HHN. ML:1.1 0.000051072849999999987 0.96 AML other m 2022-12-15T22:22:22.03
GU.LSD.HHE. ML:1.0 0.000028462758 0.1024 AML other m 2022-12-15T22:22:24.35
GU.LSD.HHN. ML:0.7 0.000014870514499999999 1.0368 AML other m 2022-12-15T22:22:24.82
GU.CIRO.HHE. ML:0.3 0.000006665194999999999 0.5632 AML other m 2022-12-15T22:22:26.12
GU.CIRO.HHN. ML:0.6 0.000009070854999999998 0.6016 AML other m 2022-12-15T22:22:26.07
GU.SATI.HHE. ML:1.3 0.000041764955 2.3168 AML other m 2022-12-15T22:22:29.28
GU.SATI.HHN. ML:1.0 0.000018182233 1.9328 AML other m 2022-12-15T22:22:30.36
GU.TRAV.HHE. ML:0.4 0.0000074558685000000006 1.2288 AML other m 2022-12-15T22:22:31.23
GU.TRAV.HHN. ML:0.4 0.0000073599627000000005 1.1904 AML other m 2022-12-15T22:22:30.94
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