Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 05-11-2021 and time 13:45:02 (UTC) in region 4 km SE Oncino (CN)

A magnitude ML 0.6 earthquake occured in region: 4 km SE Oncino (CN), on

  • 05-11-2021 13:45:02 (UTC)
  • 05-11-2021 14:45:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6520, 7.2240 at 12 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
Oncino CN 4 76 76
Ostana CN 5 83 159
Paesana CN 6 2784 2943
Crissolo CN 8 168 3111
Sanfront CN 8 2395 5506
Sampeyre CN 8 1022 6528
Frassino CN 10 265 6793
Rifreddo CN 10 1078 7871
Gambasca CN 10 371 8242
Barge CN 11 7774 16016
Martiniana Po CN 12 734 16750
Envie CN 12 2074 18824
Melle CN 13 292 19116
Revello CN 13 4262 23378
Casteldelfino CN 14 157 23535
Brossasco CN 14 1084 24619
Bagnolo Piemonte CN 14 6024 30643
Isasca CN 14 76 30719
Valmala CN 15 52 30771
Brondello CN 15 290 31061
Pontechianale CN 16 179 31240
Rorà TO 16 257 31497
Elva CN 16 97 31594
Venasca CN 17 1437 33031
Pagno CN 17 585 33616
Lusernetta TO 17 506 34122
Bibiana TO 17 3442 37564
Macra CN 17 59 37623
Castellar CN 17 295 37918
Stroppo CN 18 103 38021
Bellino CN 18 109 38130
San Damiano Macra CN 18 430 38560
Luserna San Giovanni TO 18 7395 45955
Villar Pellice TO 18 1076 47031
Campiglione Fenile TO 19 1390 48421
Torre Pellice TO 19 4551 52972
Celle di Macra CN 19 100 53072
Cavour TO 19 5545 58617
Bobbio Pellice TO 19 563 59180
Cartignano CN 20 190 59370

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of Cuneo (56081 inhabitants)
53 Km SW of Moncalieri (57294 inhabitants)
59 Km SW of Torino (890529 inhabitants)
82 Km W of Asti (76202 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 0.6 2021-11-05
13:45:02		 44.6518 7.2245 12 2021-11-05
13:53:20		 Sala Sismica INGV-Roma 97274071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-05 13:45:02 ± 0.15
Latitude 44.6518 ± 0.0072
Longitude 7.2245 ± 0.0177
Depth (km) 12 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97274071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1422
Semi-minor axis of confidence ellipse (meter) 416
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 1420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
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) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.16458
Epicentral distance of station farthest from the epicenter (degree) 0.60075
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:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 97274071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-05 13:53:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2021-11-05T13:45:22.73 0.3 undecidable manual S 133 66.6777 91 -0.47 88
MN.BNI.HHZ. 2021-11-05T13:45:21.58 0.3 undecidable manual S 316 61.7937 91 -0.32 90
GU.ENR.HHZ. 2021-11-05T13:45:17.97 0.6 undecidable manual S 162 49.3173 92 -0.6 57
GU.STV.HHZ. 2021-11-05T13:45:17.10 0.3 undecidable manual S 170 45.8208 92 -0.54 88
GU.RRL.HHZ. 2021-11-05T13:45:17.27 0.3 undecidable manual S 311 45.4212 92 -0.26 94
GU.GBOS.HHZ. 2021-11-05T13:45:14.87 0.3 undecidable manual P 133 66.6777 91 0.23 91
MN.BNI.HHZ. 2021-11-05T13:45:13.91 0.6 undecidable manual P 316 61.7937 91 0.02 65
GU.ENR.HHZ. 2021-11-05T13:45:12.54 0.3 undecidable manual P 162 49.3173 92 0.57 87
GU.RRL.HHZ. 2021-11-05T13:45:11.93 0.3 undecidable manual P 311 45.4212 92 0.56 89
GU.STV.HHZ. 2021-11-05T13:45:11.84 0.3 undecidable manual P 170 45.8208 92 0.41 92
GU.BHB.HHZ. 2021-11-05T13:45:10.59 0.3 undecidable manual S 8 20.5683 97 -0.33 98
GU.PZZ.HHZ. 2021-11-05T13:45:10.03 0.3 undecidable manual S 208 18.2706 100 -0.27 98
GU.BHB.HHZ. 2021-11-05T13:45:07.74 0.3 undecidable manual P 8 20.5683 97 0.19 100
GU.PZZ.HHZ. 2021-11-05T13:45:07.77 0.3 undecidable manual P 208 18.2706 100 0.58 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:0.0 0.000050702525 0.32 AML other m 2021-11-05T13:45:10.66
GU.BHB.HHN. ML:0.6 0.000026890515 0.096 AML other m 2021-11-05T13:45:11.39
GU.BHB.HHE. ML:0.7 0.000034500555 0.1216 AML other m 2021-11-05T13:45:11.40
GU.PZZ.HHE. ML:0.0 0.00007223781 0.2624 AML other m 2021-11-05T13:45:11.74
GU.BHB.HNE. ML:0.6 0.00002379375 0.1152 AML other m 2021-11-05T13:45:11.02
GU.BHB.HNN. ML:0.6 0.00003147229 0.1152 AML other m 2021-11-05T13:45:11.42
GU.STV.HHE. ML:0.5 0.000010013782500000001 0 AML other m 2021-11-05T13:45:18.31
GU.STV.HHN. ML:0.2 0.0000050488165 0.0192 AML other m 2021-11-05T13:45:17.95
GU.RRL.HHE. ML:0.5 0.000008698055999999999 0.1216 AML other m 2021-11-05T13:45:17.48
GU.RRL.HHN. ML:0.2 0.000006487268 0.1216 AML other m 2021-11-05T13:45:18.59
GU.ENR.HHE. ML:1.0 0.0000237125615 0.0576 AML other m 2021-11-05T13:45:19.69
GU.ENR.HHN. ML:0.8 0.000014671089000000002 0.3008 AML other m 2021-11-05T13:45:20.23
GU.GBOS.HHE. ML:0.4 0.0000061060275 0.1216 AML other m 2021-11-05T13:45:23.07
GU.GBOS.HHN. ML:0.4 0.000007076906999999999 0.0192 AML other m 2021-11-05T13:45:23.14
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