Earthquake with magnitude of ML 0.8 on date 17-10-2020 and time 13:05:38 (Italy) in region 3 km S Viù (TO)

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

  • 17-10-2020 11:05:38 (UTC)
  • 17-10-2020 13:05:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.2100, 7.3670 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 4 1051 1051
Lemie TO 6 179 1230
Rubiana TO 8 2400 3630
Traves TO 9 518 4148
Val della Torre TO 9 3869 8017
Pessinetto TO 10 606 8623
Mezzenile TO 10 786 9409
Varisella TO 10 810 10219
Germagnano TO 10 1201 11420
Villar Dora TO 10 2932 14352
Caprie TO 10 2086 16438
Almese TO 10 6401 22839
Vallo Torinese TO 11 774 23613
Condove TO 11 4638 28251
Lanzo Torinese TO 11 5086 33337
Givoletto TO 12 3914 37251
Ceres TO 12 1065 38316
Monastero di Lanzo TO 12 350 38666
Usseglio TO 12 209 38875
Sant'Ambrogio di Torino TO 12 4755 43630
Fiano TO 12 2695 46325
Chiusa di San Michele TO 12 1647 47972
La Cassa TO 12 1788 49760
Cafasse TO 13 3451 53211
Coassolo Torinese TO 13 1547 54758
Ala di Stura TO 13 469 55227
Vaie TO 13 1458 56685
Sant'Antonino di Susa TO 13 4306 60991
Borgone Susa TO 14 2229 63220
Balangero TO 14 3156 66376
San Didero TO 14 551 66927
Avigliana TO 15 12516 79443
Mathi TO 15 3921 83364
Caselette TO 15 3060 86424
Valgioie TO 15 951 87375
Cantoira TO 15 564 87939
San Gillio TO 15 3174 91113
Villanova Canavese TO 15 1186 92299
Bruzolo TO 15 1524 93823
Villar Focchiardo TO 16 2042 95865
Balme TO 16 115 95980
Grosso TO 16 1018 96998
Robassomero TO 16 3057 100055
Nole TO 17 6892 106947
Buttigliera Alta TO 17 6419 113366
Chianocco TO 17 1675 115041
Rosta TO 17 4903 119944
Chialamberto TO 17 345 120289
San Giorio di Susa TO 17 1024 121313
Corio TO 17 3277 124590
Alpignano TO 18 17008 141598
Reano TO 18 1818 143416
Giaveno TO 18 16455 159871
Coazze TO 18 3287 163158
Druento TO 18 8622 171780
Pianezza TO 19 15152 186932
Ciriè TO 19 18909 205841
Bussoleno TO 19 6094 211935
Groscavallo TO 19 204 212139
Trana TO 20 3877 216016
San Carlo Canavese TO 20 4031 220047
Villarbasse TO 20 3509 223556

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Torino (890529 inhabitants)
34 Km NW of Moncalieri (57294 inhabitants)
74 Km W of Asti (76202 inhabitants)
92 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 2020-10-17
11:05:38
45.2097 7.3672 12 2020-10-17
11:10:25
Sala Sismica INGV-Roma 83847261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-17 11:05:38 ± 0.14
Latitude 45.2097 ± 0.0081
Longitude 7.3672 ± 0.0153
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83847261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1296
Semi-minor axis of confidence ellipse (meter) 326
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) 1300.0
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.09443
Epicentral distance of station farthest from the epicenter (degree) 0.51081
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 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 83847261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-17 11:10:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHZ. 2020-10-17T11:05:52.55 0.6 undecidable manual S 41 44.8218 91 -0.38 45
GU.CIRO.HHZ. 2020-10-17T11:05:52.83 0.6 undecidable manual S 20 46.2204 91 -0.49 43
GU.BHB.HHZ. 2020-10-17T11:05:51.58 0.6 undecidable manual S 191 42.3243 91 -0.7 42
GU.LSD.HHZ. 2020-10-17T11:05:49.42 0.6 undecidable manual S 327 33.1446 91 -0.39 46
GU.RRL.HHE. 2020-10-17T11:05:48.76 0.6 undecidable manual P 235 55.4001 91 0.29 45
MN.BNI.HHE. 2020-10-17T11:05:48.64 0.6 undecidable manual P 252 56.6988 91 -0.03 48
GU.CIRO.HHZ. 2020-10-17T11:05:47.23 0.6 undecidable manual P 20 46.2204 91 0.17 48
GU.TRAV.HHZ. 2020-10-17T11:05:47.22 0.3 undecidable manual P 41 44.8218 91 0.38 69
GU.BHB.HHZ. 2020-10-17T11:05:46.48 0.3 undecidable manual P 191 42.3243 91 0.02 73
GU.LSD.HHZ. 2020-10-17T11:05:45.32 0.1 undecidable manual P 327 33.1446 91 0.28 96
GU.RSP.HHZ. 2020-10-17T11:05:43.59 0.6 undecidable manual S 229 10.4784 121 -0.27 50
GU.RSP.HHZ. 2020-10-17T11:05:41.81 0.1 positive manual P 229 10.4784 121 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HHE. ML:1.1 0.0001283329 0.16 AML other m 2020-10-17T11:05:43.71
GU.RSP.HHN. ML:1.1 0.0001278722 0.0768 AML other m 2020-10-17T11:05:43.70
GU.RSP.HNE. ML:1.0 0.000117970765 0.16 AML other m 2020-10-17T11:05:43.79
GU.RSP.HNN. ML:1.0 0.000113425365 0.096 AML other m 2020-10-17T11:05:43.71
GU.LSD.HHE. ML:0.6 0.000014583869999999999 0.1408 AML other m 2020-10-17T11:05:49.75
GU.LSD.HHN. ML:0.7 0.000018262705 0.1024 AML other m 2020-10-17T11:05:49.76
GU.BHB.HHE. ML:0.7 0.00001513867 1.28 AML other m 2020-10-17T11:05:52.63
GU.BHB.HHN. ML:0.7 0.000015482075 1.0624 AML other m 2020-10-17T11:05:52.31
GU.TRAV.HHE. ML:0.8 0.000018874595 0.16 AML other m 2020-10-17T11:05:52.96
GU.TRAV.HHN. ML:0.7 0.0000146793275 0.0832 AML other m 2020-10-17T11:05:53.25
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