Earthquake with magnitude of ML 1.5 on date 12-12-2020 and time 16:19:57 (Italy) in region 5 km SE Viù (TO)

A magnitude ML 1.5 earthquake occured in region: 5 km SE Viù (TO), on

  • 12-12-2020 15:19:57 (UTC)
  • 12-12-2020 16:19:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.2020, 7.4170 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Val della Torre TO 6 3869 4920
Varisella TO 6 810 5730
Vallo Torinese TO 7 774 6504
Rubiana TO 7 2400 8904
Traves TO 8 518 9422
Germagnano TO 8 1201 10623
Givoletto TO 8 3914 14537
Fiano TO 8 2695 17232
La Cassa TO 8 1788 19020
Lanzo Torinese TO 9 5086 24106
Cafasse TO 9 3451 27557
Almese TO 9 6401 33958
Villar Dora TO 10 2932 36890
Pessinetto TO 10 606 37496
Lemie TO 10 179 37675
Mezzenile TO 10 786 38461
Balangero TO 11 3156 41617
Monastero di Lanzo TO 11 350 41967
San Gillio TO 11 3174 45141
Caprie TO 11 2086 47227
Coassolo Torinese TO 12 1547 48774
Mathi TO 12 3921 52695
Villanova Canavese TO 12 1186 53881
Caselette TO 12 3060 56941
Sant'Ambrogio di Torino TO 12 4755 61696
Robassomero TO 12 3057 64753
Condove TO 13 4638 69391
Ceres TO 13 1065 70456
Grosso TO 13 1018 71474
Nole TO 13 6892 78366
Chiusa di San Michele TO 13 1647 80013
Avigliana TO 14 12516 92529
Druento TO 15 8622 101151
Alpignano TO 15 17008 118159
Rosta TO 15 4903 123062
Vaie TO 15 1458 124520
Buttigliera Alta TO 15 6419 130939
Ciriè TO 15 18909 149848
Pianezza TO 15 15152 165000
Valgioie TO 15 951 165951
Sant'Antonino di Susa TO 15 4306 170257
Ala di Stura TO 15 469 170726
Corio TO 15 3277 174003
Cantoira TO 16 564 174567
Usseglio TO 16 209 174776
San Carlo Canavese TO 16 4031 178807
Borgone Susa TO 16 2229 181036
Reano TO 17 1818 182854
San Maurizio Canavese TO 17 10237 193091
Rivoli TO 17 48791 241882
San Didero TO 17 551 242433
Rocca Canavese TO 18 1708 244141
Villarbasse TO 18 3509 247650
Vauda Canavese TO 18 1464 249114
Villar Focchiardo TO 18 2042 251156
Giaveno TO 18 16455 267611
Collegno TO 18 49905 317516
Trana TO 18 3877 321393
Caselle Torinese TO 18 19136 340529
Venaria Reale TO 19 34193 374722
Bruzolo TO 19 1524 376246
Chialamberto TO 19 345 376591
San Francesco al Campo TO 19 5005 381596
Balme TO 19 115 381711
Coazze TO 19 3287 384998
Barbania TO 20 1607 386605
Sangano TO 20 3707 390312
Levone TO 20 442 390754
Borgaro Torinese TO 20 13592 404346
Grugliasco TO 20 37966 442312

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Torino (890529 inhabitants)
31 Km NW of Moncalieri (57294 inhabitants)
70 Km W of Asti (76202 inhabitants)
91 Km N of Cuneo (56081 inhabitants)
98 Km W of Novara (104380 inhabitants)
100 Km W of Alessandria (93943 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
Bulletin
Rev1000
ML 1.5 2020-12-12
15:19:57
45.2022 7.4172 14 2021-02-26
14:56:18
Bollettino Sismico Italiano INGV 87042701
Reviewed
Rev100
ML 1.6 2020-12-12
15:19:57
45.1993 7.4273 13 2020-12-12
15:31:01
Sala Sismica INGV-Roma 85380141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-12 15:19:57 ± 0.16
Latitude 45.2022 ± 0.0081
Longitude 7.4172 ± 0.0140
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87042701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1169
Semi-minor axis of confidence ellipse (meter) 412
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72755
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 85380141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-12 15:31:01

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 87042701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-22 15:42:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRSN.EHZ. 2020-12-12T15:21:51.32 3.0 undecidable manual Sg 23.17 0
GU.CARD.HHZ. 2020-12-12T15:21:16.72 3.0 undecidable manual Sg 12.07 0
IV.ZCCA.HNZ. 2020-12-12T15:21:08.62 3.0 undecidable manual Sn -0.63 0
IV.MAGA.HHZ. 2020-12-12T15:21:08.50 3.0 undecidable manual Sn 7.73 0
IV.VENL.HNZ. 2020-12-12T15:21:03.71 3.0 positive manual Pg 14.74 0
IV.ZONE.HHZ. 2020-12-12T15:21:02.61 3.0 undecidable manual Sg 10.4 0
IV.NDIM.HNZ. 2020-12-12T15:20:35.88 3.0 negative manual Pn 0.88 0
CH.PLONS.HHZ. 2020-12-12T15:20:32.26 3.0 undecidable manual Pn -0.04 0
GU.RRL.HHZ. 2020-12-12T15:20:15.22 0.6 undecidable manual S 238 58.1973 94 -0.44 45
MN.BNI.HHZ. 2020-12-12T15:20:15.54 0.3 undecidable manual S 254 60.1953 94 -0.65 61
GU.PZZ.HHZ. 2020-12-12T15:20:11.05 0.1 undecidable manual P 197 80.7636 93 -0.46 86
GU.CIRO.HHZ. 2020-12-12T15:20:11.43 0.3 undecidable manual S 15 45.9207 95 -0.95 56
IV.MRGE.HHZ. 2020-12-12T15:20:10.16 0.3 undecidable manual P 336 68.7756 93 0.49 66
GU.TRAV.HHZ. 2020-12-12T15:20:10.82 0.3 undecidable manual S 37 42.9237 96 -0.77 62
GU.REMY.HHZ. 2020-12-12T15:20:10.74 0.1 undecidable manual P 344 73.371 93 0.36 90
GU.BHB.HHE. 2020-12-12T15:20:10.99 0.3 undecidable manual S 197 42.4242 96 -0.47 69
GU.LSD.HHZ. 2020-12-12T15:20:09.34 0.6 undecidable manual S 322 36.1416 97 -0.45 46
GU.RRL.HHZ. 2020-12-12T15:20:08.46 0.3 undecidable manual P 238 58.1973 94 0.42 69
MN.BNI.HHZ. 2020-12-12T15:20:08.75 0.3 undecidable manual P 254 60.1953 94 0.4 69
GU.CIRO.HHZ. 2020-12-12T15:20:06.24 0.1 undecidable manual P 15 45.9207 95 0.09 100
IV.MONC.HHZ. 2020-12-12T15:20:06.63 0.6 undecidable manual P 109 42.3243 96 1.02 36
GU.TRAV.HHZ. 2020-12-12T15:20:05.87 0.3 undecidable manual P 37 42.9237 96 0.18 74
GU.BHB.HHE. 2020-12-12T15:20:05.76 0.1 undecidable manual P 197 42.4242 96 0.14 99
GU.LSD.HHZ. 2020-12-12T15:20:04.97 0.1 undecidable manual P 322 36.1416 97 0.32 98
GU.RSP.HHZ. 2020-12-12T15:20:03.80 0.3 undecidable manual S 243 13.2756 125 -0.19 77
GU.RSP.HHZ. 2020-12-12T15:20:01.69 0.1 undecidable manual P 243 13.2756 125 0.38 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HNN. ML:1.8 0.0005945 1.8 AML other m 2020-12-12T15:20:03.02
GU.RSP.HHN. ML:1.8 0.00057885365 0.0768 AML other m 2020-12-12T15:20:04.02
GU.RSP.HNE. ML:1.8 0.000612 0.12 AML other m 2020-12-12T15:20:04.06
GU.RSP.HHE. ML:1.9 0.0006885 0.12 AML other m 2020-12-12T15:20:04.06
GU.LSD.HHE. ML:1.4 0.000102028635 0.1152 AML other m 2020-12-12T15:20:09.59
GU.LSD.HHN. ML:1.4 0.0001031 0.12 AML other m 2020-12-12T15:20:09.59
GU.TRAV.HHE. ML:1.5 0.00010745000000000001 0.24 AML other m 2020-12-12T15:20:11.47
GU.TRAV.HHN. ML:1.5 0.00009575 0.52 AML other m 2020-12-12T15:20:11.61
GU.CIRO.HHE. ML:1.2 0.00004905 0.46 AML other m 2020-12-12T15:20:11.72
GU.CIRO.HHN. ML:1.2 0.0000375 1.14 AML other m 2020-12-12T15:20:12.83
MN.BNI.HHN. ML:0.7 0.000010273954 0.1792 AML other m 2020-12-12T15:20:16.69
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