Earthquake with magnitude of ML 1.0 on date 07-10-2022 and time 07:38:37 (Italy) in region 4 km NE Sampeyre (CN)

A magnitude ML 1.0 earthquake occured in region: 4 km NE Sampeyre (CN), on

  • 07-10-2022 05:38:37 (UTC)
  • 07-10-2022 07:38:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6050, 7.2220 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sampeyre CN 4 1022 1022
Frassino CN 6 265 1287
Oncino CN 8 76 1363
Melle CN 9 292 1655
Sanfront CN 9 2395 4050
Paesana CN 10 2784 6834
Ostana CN 10 83 6917
Gambasca CN 10 371 7288
Rifreddo CN 11 1078 8366
Brossasco CN 12 1084 9450
Crissolo CN 12 168 9618
Martiniana Po CN 12 734 10352
Valmala CN 12 52 10404
Macra CN 12 59 10463
Casteldelfino CN 12 157 10620
Elva CN 13 97 10717
Isasca CN 13 76 10793
San Damiano Macra CN 13 430 11223
Stroppo CN 13 103 11326
Celle di Macra CN 14 100 11426
Revello CN 15 4262 15688
Venasca CN 15 1437 17125
Brondello CN 15 290 17415
Envie CN 15 2074 19489
Cartignano CN 15 190 19679
Pontechianale CN 15 179 19858
Barge CN 16 7774 27632
Bellino CN 16 109 27741
Pagno CN 17 585 28326
Roccabruna CN 17 1585 29911
Castellar CN 17 295 30206
Rossana CN 18 908 31114
Villar San Costanzo CN 18 1547 32661
Prazzo CN 19 170 32831
Bagnolo Piemonte CN 19 6024 38855
Dronero CN 19 7035 45890
Piasco CN 19 2774 48664
Marmora CN 19 68 48732
Canosio CN 20 80 48812

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Cuneo (56081 inhabitants)
57 Km SW of Moncalieri (57294 inhabitants)
64 Km SW of Torino (890529 inhabitants)
84 Km W of Asti (76202 inhabitants)
98 Km NW of Sanremo (54807 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 2022-10-07
05:38:37
44.6047 7.2218 11 2022-10-07
05:45:01
Sala Sismica INGV-Roma 110573071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-07 05:38:37 ± 0.14
Latitude 44.6047 ± 0.0108
Longitude 7.2218 ± 0.0177
Depth (km) 11 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 110573071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1180
Semi-minor axis of confidence ellipse (meter) 1058
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 1180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.12411
Epicentral distance of station farthest from the epicenter (degree) 0.57107
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 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 110573071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-07 05:45:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2022-10-07T05:38:56.47 0.1 undecidable manual S 129 63.3921 50 -0.27 84
GU.RRL.HHZ. 2022-10-07T05:38:52.51 0.1 undecidable manual S 316 48.9177 50 -0.35 90
GU.ENR.HHZ. 2022-10-07T05:38:51.60 0.1 undecidable manual S 159 44.4222 50 -0.08 95
GU.STV.HHZ. 2022-10-07T05:38:50.16 0.1 undecidable manual S 168 40.7259 50 -0.53 86
GU.GBOS.HHZ. 2022-10-07T05:38:49.05 1.0 undecidable manual P 129 63.3921 50 0.5 22
GU.RRL.HHZ. 2022-10-07T05:38:46.64 0.1 undecidable manual P 316 48.9177 50 0.33 93
GU.BHB.HHZ. 2022-10-07T05:38:46.30 0.1 undecidable manual S 7 25.8519 50 -0.41 83
GU.ENR.HHZ. 2022-10-07T05:38:46.04 0.6 negative manual P 159 44.4222 50 0.41 47
GU.STV.HHZ. 2022-10-07T05:38:45.47 0.1 undecidable manual P 168 40.7259 50 0.42 93
GU.PZZ.HHZ. 2022-10-07T05:38:43.23 0.1 undecidable manual S 218 13.7751 129 -0.24 100
GU.BHB.HHZ. 2022-10-07T05:38:43.16 0.3 negative manual P 7 25.8519 50 0.41 74
GU.PZZ.HHZ. 2022-10-07T05:38:41.26 1.0 positive manual P 218 13.7751 129 0.38 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.3 0.00021250000000000002 0.26 AML other m 2022-10-07T05:38:43.49
GU.PZZ.HHE. ML:1.1 0.000132 0.76 AML other m 2022-10-07T05:38:44.46
GU.BHB.HHE. ML:0.8 0.00003275 0.3 AML other m 2022-10-07T05:38:46.65
GU.BHB.HHN. ML:0.7 0.000029199999999999998 1.08 AML other m 2022-10-07T05:38:46.76
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