Earthquake with magnitude of ML 0.8 on date 03-10-2023 and time 23:38:00 (UTC) in region 3 km SE Lemie (TO)

A magnitude ML 0.8 earthquake occured in region: 3 km SE Lemie (TO), on

  • 03-10-2023 23:38:00 (UTC)
  • 04-10-2023 01:38:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.2110, 7.3230 at 17 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
Lemie TO 3 179 179
ViĆ¹ TO 5 1051 1230
Usseglio TO 9 209 1439
Rubiana TO 9 2400 3839
Caprie TO 10 2086 5925
Condove TO 10 4638 10563
Traves TO 11 518 11081
Mezzenile TO 11 786 11867
Pessinetto TO 11 606 12473
Villar Dora TO 11 2932 15405
Borgone Susa TO 12 2229 17634
Val della Torre TO 12 3869 21503
Almese TO 12 6401 27904
Ala di Stura TO 12 469 28373
San Didero TO 12 551 28924
Chiusa di San Michele TO 12 1647 30571
Sant'Antonino di Susa TO 12 4306 34877
Vaie TO 12 1458 36335
Bruzolo TO 13 1524 37859
Ceres TO 13 1065 38924
Sant'Ambrogio di Torino TO 13 4755 43679
Germagnano TO 13 1201 44880
Varisella TO 13 810 45690
Balme TO 13 115 45805
Villar Focchiardo TO 13 2042 47847
Monastero di Lanzo TO 14 350 48197
Chianocco TO 14 1675 49872
Lanzo Torinese TO 14 5086 54958
Vallo Torinese TO 14 774 55732
San Giorio di Susa TO 15 1024 56756
Givoletto TO 15 3914 60670
Valgioie TO 15 951 61621
Coassolo Torinese TO 15 1547 63168
Fiano TO 16 2695 65863
Avigliana TO 16 12516 78379
Cantoira TO 16 564 78943
La Cassa TO 16 1788 80731
Cafasse TO 16 3451 84182
Bussoleno TO 16 6094 90276
Balangero TO 17 3156 93432
Caselette TO 17 3060 96492
Chialamberto TO 17 345 96837
Coazze TO 18 3287 100124
Mathi TO 18 3921 104045
Groscavallo TO 18 204 104249
Buttigliera Alta TO 18 6419 110668
San Gillio TO 18 3174 113842
Villanova Canavese TO 19 1186 115028
Giaveno TO 19 16455 131483
Rosta TO 19 4903 136386
Grosso TO 19 1018 137404
Mattie TO 19 687 138091
Reano TO 20 1818 139909
Robassomero TO 20 3057 142966
Nole TO 20 6892 149858

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Torino (890529 inhabitants)
37 Km NW of Moncalieri (57294 inhabitants)
77 Km W of Asti (76202 inhabitants)
93 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 2023-10-03
23:38:00
45.2107 7.3233 17 2023-10-03
23:48:30
Sala Sismica INGV-Roma 121726641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-03 23:38:00 ± 0.17
Latitude 45.2107 ± 0.0099
Longitude 7.3233 ± 0.0179
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121726641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1343
Semi-minor axis of confidence ellipse (meter) 726
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 1340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
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) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.58816
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:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 121726641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-03 23:48:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2023-10-03T23:38:16.85 0.6 undecidable manual S 233 52.7028 98 0.16 49
GU.CIRO.HHZ. 2023-10-03T23:38:14.89 0.6 undecidable manual S 24 47.4192 99 -0.4 47
GU.BHB.HHZ. 2023-10-03T23:38:13.08 1.0 undecidable manual S 187 41.9247 101 -0.76 21
IV.MRGE.HHZ. 2023-10-03T23:38:11.19 0.3 undecidable manual P 342 65.2902 96 -0.4 69
GU.RRL.HHZ. 2023-10-03T23:38:10.31 1.0 undecidable manual P 233 52.7028 98 0.65 21
GU.LSD.HHZ. 2023-10-03T23:38:10.94 0.6 undecidable manual S 332 31.3464 106 -0.16 51
GU.CIRO.HHZ. 2023-10-03T23:38:09.22 1.0 positive manual P 24 47.4192 99 0.37 24
GU.TRAV.HHZ. 2023-10-03T23:38:08.94 0.1 positive manual P 44 46.9197 99 0.16 100
GU.BHB.HHZ. 2023-10-03T23:38:08.14 0.6 positive manual P 187 41.9247 101 0.13 50
GU.LSD.HHZ. 2023-10-03T23:38:06.88 0.6 undecidable manual P 332 31.3464 106 0.45 48
GU.RSP.HHZ. 2023-10-03T23:38:03.41 0.3 negative manual P 213 8.2806 149 -0.1 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HHN. ML:0.5 0.000030146305 0.2432 AML other m 2023-10-03T23:38:05.52
GU.RSP.HHE. ML:0.4 0.00002745 1.16 AML other m 2023-10-03T23:38:05.10
GU.LSD.HHN. ML:0.6 0.000016300000000000003 0.24 AML other m 2023-10-03T23:38:11.29
GU.LSD.HHE. ML:0.9 0.00002825 0.2 AML other m 2023-10-03T23:38:11.36
GU.RSP.HNE. ML:1.2 0.00012809656 0.1024 AML other m 2023-10-03T23:38:05.09
GU.RSP.HNN. ML:1.2 0.0001538096 0.2432 AML other m 2023-10-03T23:38:05.52
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