Earthquake with magnitude of ML 0.8 on date 05-10-2023 and time 00:51:25 (Italy) in region 5 km S Viù (TO)

A magnitude ML 0.8 earthquake occured in region: 5 km S Viù (TO), on

  • 04-10-2023 22:51:25 (UTC)
  • 05-10-2023 00:51:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.1990, 7.3620 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Viù TO 5 1051 1051
Lemie TO 6 179 1230
Rubiana TO 7 2400 3630
Val della Torre TO 8 3869 7499
Villar Dora TO 9 2932 10431
Caprie TO 9 2086 12517
Almese TO 9 6401 18918
Traves TO 10 518 19436
Condove TO 10 4638 24074
Varisella TO 10 810 24884
Pessinetto TO 11 606 25490
Germagnano TO 11 1201 26691
Sant'Ambrogio di Torino TO 11 4755 31446
Mezzenile TO 11 786 32232
Chiusa di San Michele TO 11 1647 33879
Vallo Torinese TO 11 774 34653
Givoletto TO 12 3914 38567
Usseglio TO 12 209 38776
Sant'Antonino di Susa TO 12 4306 43082
Vaie TO 12 1458 44540
Lanzo Torinese TO 12 5086 49626
Borgone Susa TO 13 2229 51855
La Cassa TO 13 1788 53643
Fiano TO 13 2695 56338
Monastero di Lanzo TO 13 350 56688
Ceres TO 13 1065 57753
Avigliana TO 13 12516 70269
San Didero TO 13 551 70820
Cafasse TO 13 3451 74271
Valgioie TO 14 951 75222
Ala di Stura TO 14 469 75691
Coassolo Torinese TO 14 1547 77238
Caselette TO 14 3060 80298
Villar Focchiardo TO 14 2042 82340
Bruzolo TO 14 1524 83864
Balangero TO 15 3156 87020
San Gillio TO 15 3174 90194
Mathi TO 16 3921 94115
Buttigliera Alta TO 16 6419 100534
Villanova Canavese TO 16 1186 101720
Chianocco TO 16 1675 103395
Balme TO 16 115 103510
Rosta TO 16 4903 108413
Cantoira TO 16 564 108977
San Giorio di Susa TO 16 1024 110001
Robassomero TO 16 3057 113058
Grosso TO 17 1018 114076
Giaveno TO 17 16455 130531
Coazze TO 17 3287 133818
Reano TO 17 1818 135636
Alpignano TO 17 17008 152644
Nole TO 17 6892 159536
Bussoleno TO 18 6094 165630
Pianezza TO 18 15152 180782
Druento TO 18 8622 189404
Chialamberto TO 18 345 189749
Trana TO 18 3877 193626
Corio TO 19 3277 196903
Villarbasse TO 19 3509 200412
Ciriè TO 19 18909 219321
Rivoli TO 20 48791 268112
Groscavallo TO 20 204 268316

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Torino (890529 inhabitants)
34 Km NW of Moncalieri (57294 inhabitants)
74 Km W of Asti (76202 inhabitants)
91 Km N 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 0.8 2023-10-04
22:51:25
45.1987 7.3623 12 2023-10-04
23:00:26
Sala Sismica INGV-Roma 121765291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-04 22:51:25 ± 0.17
Latitude 45.1987 ± 0.0099
Longitude 7.3623 ± 0.0166
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 121765291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1505
Semi-minor axis of confidence ellipse (meter) 423
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 128
Circular confidence region, given by single value of horizontal uncertainty (meter) 1510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.49013
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:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 121765291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-04 23:00:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2023-10-04T22:51:42.33 0.6 undecidable manual S 236 54.4011 91 -0.35 47
GU.CIRO.HHZ. 2023-10-04T22:51:40.37 0.6 undecidable manual S 20 47.5191 91 -0.47 44
GU.TRAV.HHE. 2023-10-04T22:51:39.81 0.6 undecidable manual S 41 45.9207 91 -0.58 42
GU.BHB.HHZ. 2023-10-04T22:51:38.55 0.6 undecidable manual S 191 41.0256 91 -0.56 45
GU.LSD.HHZ. 2023-10-04T22:51:36.66 0.6 undecidable manual S 328 33.9438 91 -0.57 45
GU.RRL.HHZ. 2023-10-04T22:51:36.32 0.6 positive manual P 236 54.4011 91 0.82 41
GU.TRAV.HHE. 2023-10-04T22:51:34.48 0.1 undecidable manual P 41 45.9207 91 0.29 99
GU.CIRO.HHZ. 2023-10-04T22:51:34.73 0.6 negative manual P 20 47.5191 91 0.29 49
GU.BHB.HHZ. 2023-10-04T22:51:33.57 0.6 undecidable manual P 191 41.0256 91 0.13 51
GU.LSD.HHZ. 2023-10-04T22:51:32.67 0.1 positive manual P 328 33.9438 91 0.32 100
GU.RSP.HHE. 2023-10-04T22:51:30.47 0.6 undecidable manual S 234 9.4794 126 -0.35 50
GU.RSP.HHE. 2023-10-04T22:51:28.87 0.6 undecidable manual P 234 9.4794 126 0.21 53
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHN. ML:0.8 0.0000273 0.16 AML other m 2023-10-04T22:51:36.94
GU.LSD.HHE. ML:1.0 0.0000441 0.22 AML other m 2023-10-04T22:51:36.79
GU.CIRO.HHE. ML:0.6 0.0000096395335 0.1408 AML other m 2023-10-04T22:51:40.77
GU.CIRO.HHN. ML:0.3 0.000005960082 0.0768 AML other m 2023-10-04T22:51:40.93
GU.RRL.HHE. ML:0.6 0.000008375554 0.3584 AML other m 2023-10-04T22:51:42.58
GU.RRL.HHN. ML:1.0 0.000025421915 2.944 AML other m 2023-10-04T22:51:58.22
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