Earthquake with magnitude of ML 0.9 on date 12-08-2023 and time 08:31:16 (Italy) in region 3 km W Sanfront (CN)

A magnitude ML 0.9 earthquake occured in region: 3 km W Sanfront (CN), on

  • 12-08-2023 06:31:16 (UTC)
  • 12-08-2023 08:31:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6600, 7.2880 at 10 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
Sanfront CN 3 2395 2395
Paesana CN 3 2784 5179
Rifreddo CN 5 1078 6257
Gambasca CN 6 371 6628
Martiniana Po CN 7 734 7362
Envie CN 7 2074 9436
Barge CN 8 7774 17210
Oncino CN 8 76 17286
Revello CN 8 4262 21548
Ostana CN 9 83 21631
Frassino CN 10 265 21896
Isasca CN 11 76 21972
Melle CN 11 292 22264
Crissolo CN 11 168 22432
Brondello CN 11 290 22722
Bagnolo Piemonte CN 11 6024 28746
Brossasco CN 12 1084 29830
Sampeyre CN 12 1022 30852
Pagno CN 12 585 31437
Castellar CN 13 295 31732
Valmala CN 14 52 31784
Venasca CN 14 1437 33221
Bibiana TO 15 3442 36663
Cavour TO 16 5545 42208
Lusernetta TO 16 506 42714
Campiglione Fenile TO 16 1390 44104
Saluzzo CN 16 16960 61064
Rorà TO 16 257 61321
Manta CN 17 3787 65108
Piasco CN 17 2774 67882
Verzuolo CN 17 6459 74341
Rossana CN 17 908 75249
Luserna San Giovanni TO 18 7395 82644
Cardè CN 18 1122 83766
Bricherasio TO 19 4616 88382
Torre Pellice TO 19 4551 92933
Casteldelfino CN 19 157 93090
Costigliole Saluzzo CN 19 3375 96465
San Damiano Macra CN 19 430 96895
Villar Pellice TO 20 1076 97971
Macra CN 20 59 98030

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Cuneo (56081 inhabitants)
49 Km SW of Moncalieri (57294 inhabitants)
56 Km SW of Torino (890529 inhabitants)
77 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 0.9 2023-08-12
06:31:16
44.6602 7.2883 10 2023-08-12
06:46:54
Sala Sismica INGV-Roma 120046011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-12 06:31:16 ± 0.19
Latitude 44.6602 ± 0.0072
Longitude 7.2883 ± 0.0240
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120046011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1857
Semi-minor axis of confidence ellipse (meter) 688
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.86515
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 120046011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-12 06:46:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARRO.EHZ. 2023-08-12T06:33:04.36 3.0 undecidable manual Sn -1.39 0
IV.FAGN.HHZ. 2023-08-12T06:32:35.64 3.0 negative manual Pg 10.41 0
IV.FIAM.HHZ. 2023-08-12T06:32:30.29 3.0 negative manual Pg 8.97 0
IV.PTCC.HHZ. 2023-08-12T06:32:29.43 3.0 negative manual Pg 15.73 0
IV.NARO.HHZ. 2023-08-12T06:32:26.29 3.0 positive manual Pg 18.879999 0
CH.BERNI.HHZ. 2023-08-12T06:32:16.44 3.0 undecidable manual Sg 4.47 0
IV.BRSN.HNZ. 2023-08-12T06:32:16.02 3.0 negative manual Pg 16.26 0
IV.ZEN8.EHZ. 2023-08-12T06:32:11.69 3.0 undecidable manual Sn -1.85 0
OX.CIMO.HHZ. 2023-08-12T06:32:11.98 3.0 undecidable manual Pn 6.89 0
IV.CSNT.HHZ. 2023-08-12T06:32:10.77 3.0 undecidable manual Pg 14.01 0
IV.CRE.HHZ. 2023-08-12T06:32:04.77 3.0 undecidable manual Pn 3.14 0
IV.RIBO.EHZ.01 2023-08-12T06:31:55.42 3.0 positive manual Pn -3.61 0
SI.ROSI.HHZ. 2023-08-12T06:31:55.19 3.0 negative manual Pn -5.21 0
ST.OZOL.EHZ. 2023-08-12T06:31:53.02 3.0 undecidable manual Pn -0.59 0
GU.CARD.HHZ. 2023-08-12T06:31:52.99 3.0 undecidable manual Pg 6.95 0
SI.BOSI.HHZ. 2023-08-12T06:31:52.59 3.0 undecidable manual Pn -3.84 0
IV.CELB.HHZ. 2023-08-12T06:31:50.36 3.0 positive manual Pn -4.84 0
GU.MGRO.HHZ. 2023-08-12T06:31:40.40 3.0 undecidable manual Sn -1.12 0
FR.SAOF.HHE.00 2023-08-12T06:31:39.46 0.3 undecidable manual S 164 77.6667 50 -0.38 66
GU.GRAM.HHZ. 2023-08-12T06:31:38.04 3.0 undecidable manual Pn -1.82 0
GU.CANO.HHZ. 2023-08-12T06:31:37.07 3.0 undecidable manual Sn -2.54 0
GU.GBOS.HHZ. 2023-08-12T06:31:35.15 0.3 undecidable manual S 137 63.7917 50 -0.97 54
GU.RSP.HHZ. 2023-08-12T06:31:33.01 0.3 undecidable manual S 358 54.2013 50 -0.56 66
GU.IMI.HHE. 2023-08-12T06:31:33.47 0.1 undecidable manual P 150 96.0261 50 0.74 75
GU.RORO.HHE. 2023-08-12T06:31:31.18 0.1 undecidable manual P 134 86.5467 50 -0.1 92
GU.ENR.HHZ. 2023-08-12T06:31:31.41 0.3 undecidable manual S 168 48.9177 50 -0.75 62
GU.STV.HHZ. 2023-08-12T06:31:31.08 0.3 undecidable manual S 176 46.1205 50 -0.34 71
FR.SAOF.HHE.00 2023-08-12T06:31:30.45 0.1 undecidable manual P 164 77.6667 50 0.55 84
GU.GBOS.HHZ. 2023-08-12T06:31:28.21 0.1 undecidable manual P 137 63.7917 50 0.45 89
GU.CANO.HHZ. 2023-08-12T06:31:26.48 3.0 negative manual P -1.05 0
GU.RSP.HHZ. 2023-08-12T06:31:26.71 0.1 undecidable manual P 358 54.2013 50 0.43 91
GU.STV.HHZ. 2023-08-12T06:31:25.33 0.1 undecidable manual P 176 46.1205 50 0.29 95
GU.RRL.HHZ. 2023-08-12T06:31:25.65 0.1 undecidable manual P 307 48.7179 50 0.2 97
GU.ENR.HHZ. 2023-08-12T06:31:25.70 0.1 undecidable manual P 168 48.9177 50 0.23 96
GU.PZZ.HHZ. 2023-08-12T06:31:24.03 0.3 undecidable manual S 219 21.867 114 -0.57 69
GU.BHB.HHZ. 2023-08-12T06:31:23.13 0.3 undecidable manual S 354 19.5693 116 -0.76 65
GU.PZZ.HHZ. 2023-08-12T06:31:21.37 0.1 undecidable manual P 219 21.867 114 0.26 100
GU.BHB.HHZ. 2023-08-12T06:31:20.78 0.3 positive manual P 354 19.5693 116 0.09 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHE. ML:0.9 0.000059749999999999995 0.06 AML other m 2023-08-12T06:31:23.87
GU.BHB.HHN. ML:0.7 0.000041349999999999995 0.2 AML other m 2023-08-12T06:31:23.94
GU.PZZ.HHE. ML:1.1 0.00008845 0.28 AML other m 2023-08-12T06:31:24.37
GU.PZZ.HHN. ML:1.2 0.00012223295 0.1792 AML other m 2023-08-12T06:31:24.42
GU.BHB.HNE. ML:0.9 0.00006138123500000001 0.0704 AML other m 2023-08-12T06:31:23.87
GU.BHB.HNN. ML:0.7 0.000041452920000000006 0.192 AML other m 2023-08-12T06:31:23.95
GU.ENR.HHN. ML:0.8 0.00001721561 0.08 AML other m 2023-08-12T06:31:32.41
GU.ENR.HHE. ML:1.0 0.000022751225 0.0576 AML other m 2023-08-12T06:31:32.38
GU.GBOS.HHN. ML:0.7 0.0000084835425 0.16 AML other m 2023-08-12T06:31:36.05
GU.GBOS.HHE. ML:0.7 0.0000076505125 0.16 AML other m 2023-08-12T06:31:35.97
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