Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 09-02-2022 and time 20:01:58 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.2 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 09-02-2022 19:01:58 (UTC)
  • 09-02-2022 20:01:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.0170, 6.6650 at 11 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.

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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
Bardonecchia TO 8 3215 3215
Claviere TO 11 214 3429
Cesana Torinese TO 13 967 4396
Oulx TO 13 3307 7703
Sauze d'Oulx TO 15 1109 8812
Sauze di Cesana TO 18 244 9056
Sestriere TO 18 929 9985
Salbertrand TO 18 596 10581

Municipalities with at least 50000 inhabitants

An earthquake occurred to
80 Km W of Torino (890529 inhabitants)
80 Km W of Moncalieri (57294 inhabitants)
99 Km NW of Cuneo (56081 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 1.2 2022-02-09
19:01:58		 45.0167 6.6647 11 2022-02-09
19:29:29		 Sala Sismica INGV-Roma 100816221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-09 19:01:58 ± 0.13
Latitude 45.0167 ± 0.0090
Longitude 6.6647 ± 0.0102
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100816221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 955
Semi-minor axis of confidence ellipse (meter) 820
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.60165
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 100816221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-09 19:29:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2022-02-09T19:02:19.27 0.3 undecidable manual S 148 66.7776 50 -0.08 67
RD.ORIF.BHE. 2022-02-09T19:02:17.69 0.3 undecidable manual S 260 62.493 50 -0.53 61
GU.LSD.HHZ. 2022-02-09T19:02:17.34 0.6 undecidable manual S 37 61.2942 50 -0.54 40
GU.RSP.HHZ. 2022-02-09T19:02:14.36 0.6 undecidable manual S 73 49.2174 50 -0.31 44
GU.BHB.HHZ. 2022-02-09T19:02:14.57 0.6 undecidable manual S 113 51.1155 50 -0.6 40
GU.PZZ.HHZ. 2022-02-09T19:02:11.14 0.6 negative manual P 148 66.7776 50 0.4 42
GU.LSD.HHZ. 2022-02-09T19:02:10.37 0.1 undecidable manual P 37 61.2942 50 0.47 83
RD.ORIF.BHE. 2022-02-09T19:02:10.35 0.1 undecidable manual P 260 62.493 50 0.27 86
GU.RSP.HHZ. 2022-02-09T19:02:08.40 0.3 positive manual P 73 49.2174 50 0.36 65
GU.BHB.HHZ. 2022-02-09T19:02:08.70 1.0 positive manual P 113 51.1155 50 0.38 22
GU.RRL.HHZ. 2022-02-09T19:02:05.03 0.6 undecidable manual S 137 14.4744 126 -0.19 48
GU.RRL.HHZ. 2022-02-09T19:02:02.83 0.6 undecidable manual P 137 14.4744 126 0.25 47
MN.BNI.HHZ. 2022-02-09T19:02:02.41 0.6 undecidable manual S 15 4.0959 159 -0.54 45
MN.BNI.HHZ. 2022-02-09T19:02:01.32 0.1 negative manual P 15 4.0959 159 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.BNI.HHE. ML:1.5 0.000471 0.36 AML other m 2022-02-09T19:02:02.49
MN.BNI.HNE. ML:1.4 0.00045599999999999997 0.38 AML other m 2022-02-09T19:02:02.49
MN.BNI.HHN. ML:1.1 0.00021400000000000002 0.3 AML other m 2022-02-09T19:02:02.53
MN.BNI.HNN. ML:1.1 0.00020400000000000003 0.3 AML other m 2022-02-09T19:02:02.53
GU.RRL.HHN. ML:1.2 0.000142 0.16 AML other m 2022-02-09T19:02:05.18
GU.RRL.HHE. ML:1.1 0.0001297 0.18 AML other m 2022-02-09T19:02:05.39
GU.LSD.HHN. ML:1.6 0.00008395 0.22 AML other m 2022-02-09T19:02:17.86
GU.LSD.HHE. ML:1.8 0.00011635 1.74 AML other m 2022-02-09T19:02:17.96
GU.RSP.HHE. ML:1.1 0.000034144059999999994 0.1152 AML other m 2022-02-09T19:02:15.73
GU.RSP.HHN. ML:0.9 0.0000218364765 0.1536 AML other m 2022-02-09T19:02:15.65
GU.BHB.HNE. ML:1.2 0.000044853975999999995 0.512 AML other m 2022-02-09T19:02:15.49
GU.BHB.HNN. ML:1.1 0.0000311308155 0.2688 AML other m 2022-02-09T19:02:15.32
GU.BHB.HHE. ML:1.0 0.0000242225055 0.2176 AML other m 2022-02-09T19:02:15.49
GU.BHB.HHN. ML:1.1 0.000032211689 0.2816 AML other m 2022-02-09T19:02:15.31
GU.PZZ.HHE. ML:1.3 0.000036759470000000004 0.1408 AML other m 2022-02-09T19:02:21.66
GU.PZZ.HHN. ML:1.4 0.000045899969999999996 0.1664 AML other m 2022-02-09T19:02:21.29
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