Earthquake with magnitude of ML 1.0 on date 23-09-2022 and time 08:16:47 (Italy) in region 5 km E Bardonecchia (TO)

A magnitude ML 1.0 earthquake occured in region: 5 km E Bardonecchia (TO), on

  • 23-09-2022 06:16:47 (UTC)
  • 23-09-2022 08:16:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0970, 6.7560 at 8 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
Bardonecchia TO 5 3215 3215
Oulx TO 9 3307 6522
Salbertrand TO 10 596 7118
Sauze d'Oulx TO 11 1109 8227
Exilles TO 14 273 8500
Cesana Torinese TO 16 967 9467
Pragelato TO 17 776 10243
Claviere TO 18 214 10457
Chiomonte TO 18 916 11373
Sestriere TO 18 929 12302
Sauze di Cesana TO 19 244 12546

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km W of Torino (890529 inhabitants)
74 Km W of Moncalieri (57294 inhabitants)
100 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 1.0 2022-09-23
06:16:47
45.0973 6.7563 8 2022-09-23
06:22:33
Sala Sismica INGV-Roma 110041541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-23 06:16:47 ± 0.23
Latitude 45.0973 ± 0.0144
Longitude 6.7563 ± 0.0446
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 110041541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3470
Semi-minor axis of confidence ellipse (meter) 1537
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 3470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.53
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.70507
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:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 110041541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-23 06:22:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2022-09-23T06:17:08.75 0.6 undecidable manual S 157 71.373 50 -0.88 34
GU.LSD.HHZ. 2022-09-23T06:17:02.85 0.3 undecidable manual S 36 49.8168 50 -1.02 50
IV.MRGE.HHZ. 2022-09-23T06:17:01.89 0.1 undecidable manual P 18 78.2661 50 0.6 76
GU.PZZ.HHZ. 2022-09-23T06:17:00.72 0.1 undecidable manual P 157 71.373 50 0.49 80
GU.RSP.HHZ. 2022-09-23T06:17:00.68 0.6 undecidable manual S 82 40.2264 50 -0.62 41
GU.LSD.HHZ. 2022-09-23T06:16:57.01 0.1 positive manual P 36 49.8168 50 0.11 91
GU.RSP.HHZ. 2022-09-23T06:16:55.68 0.1 undecidable manual P 82 40.2264 50 0.26 90
GU.RRL.HHZ. 2022-09-23T06:16:54.66 0.3 undecidable manual S 172 19.7691 111 -0.08 72
GU.RRL.HHZ. 2022-09-23T06:16:52.05 0.1 undecidable manual P 172 19.7691 111 0.42 90
MN.BNI.HHZ. 2022-09-23T06:16:50.53 0.3 undecidable manual S 231 7.9809 134 -0.7 62
MN.BNI.HHZ. 2022-09-23T06:16:49.61 0.1 positive manual P 231 7.9809 134 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.BNI.HHE. ML:1.2 0.0002515 0.08 AML other m 2022-09-23T06:16:50.60
MN.BNI.HNE. ML:1.2 0.00024 0.08 AML other m 2022-09-23T06:16:50.61
MN.BNI.HHN. ML:1.3 0.000363 0.16 AML other m 2022-09-23T06:16:50.58
MN.BNI.HNN. ML:1.3 0.000348 0.16 AML other m 2022-09-23T06:16:50.59
GU.RSP.HHN. ML:0.2 0.00000745 0.62 AML other m 2022-09-23T06:17:01.53
GU.RSP.HHE. ML:0.5 0.00000817 0.5 AML other m 2022-09-23T06:17:01.82
GU.LSD.HHN. ML:0.0 0.0000314 0.3 AML other m 2022-09-23T06:17:03.05
GU.LSD.HHE. ML:0.0 0.00003325 0.22 AML other m 2022-09-23T06:17:03.30
GU.RRL.HHE. ML:0.3 0.000013110151000000001 0.3008 AML other m 2022-09-23T06:16:55.92
GU.RRL.HHN. ML:0.4 0.000020830915 0.1824 AML other m 2022-09-23T06:16:55.04
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