Earthquake with magnitude of ML 1.3 on date 18-02-2020 and time 12:00:20 (Italy) in region 1 km E Lanzo Torinese (TO)

A magnitude ML 1.3 earthquake occured in region: 1 km E Lanzo Torinese (TO), on

  • 18-02-2020 11:00:20 (UTC)
  • 18-02-2020 12:00:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.28, 7.49 at 7 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
Lanzo Torinese TO 1 5086 5086
Germagnano TO 2 1201 6287
Balangero TO 3 3156 9443
Coassolo Torinese TO 3 1547 10990
Cafasse TO 4 3451 14441
Traves TO 5 518 14959
Monastero di Lanzo TO 5 350 15309
Mathi TO 5 3921 19230
Corio TO 5 3277 22507
Vallo Torinese TO 6 774 23281
Grosso TO 6 1018 24299
Villanova Canavese TO 6 1186 25485
Pessinetto TO 7 606 26091
Fiano TO 7 2695 28786
Mezzenile TO 7 786 29572
Varisella TO 7 810 30382
Nole TO 7 6892 37274
Rocca Canavese TO 8 1708 38982
Ceres TO 9 1065 40047
Viù TO 10 1051 41098
San Carlo Canavese TO 10 4031 45129
Vauda Canavese TO 10 1464 46593
Ciriè TO 10 18909 65502
Levone TO 10 442 65944
Robassomero TO 11 3057 69001
La Cassa TO 11 1788 70789
Forno Canavese TO 11 3446 74235
Cantoira TO 11 564 74799
Barbania TO 11 1607 76406
Pratiglione TO 12 535 76941
Rivara TO 13 2659 79600
San Maurizio Canavese TO 13 10237 89837
Givoletto TO 13 3914 93751
Val della Torre TO 14 3869 97620
Canischio TO 14 277 97897
Front TO 14 1677 99574
Prascorsano TO 14 745 100319
San Francesco al Campo TO 14 5005 105324
Busano TO 15 1687 107011
Chialamberto TO 15 345 107356
Pertusio TO 15 778 108134
Ala di Stura TO 15 469 108603
San Gillio TO 15 3174 111777
San Colombano Belmonte TO 16 383 112160
Locana TO 16 1498 113658
Sparone TO 16 1038 114696
Lemie TO 16 179 114875
San Ponso TO 16 267 115142
Alpette TO 17 261 115403
Caselle Torinese TO 17 19136 134539
Valperga TO 17 3166 137705
Favria TO 17 5196 142901
Druento TO 17 8622 151523
Ribordone TO 17 53 151576
Rubiana TO 17 2400 153976
Oglianico TO 18 1506 155482
Cuorgnè TO 18 9906 165388
Pont-Canavese TO 18 3483 168871
Rivarossa TO 18 1610 170481
Salassa TO 18 1838 172319
Caselette TO 19 3060 175379
Almese TO 19 6401 181780
Groscavallo TO 19 204 181984
Borgaro Torinese TO 19 13592 195576
Villar Dora TO 19 2932 198508
Venaria Reale TO 20 34193 232701
Rivarolo Canavese TO 20 12488 245189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Torino (890529 inhabitants)
34 Km NW of Moncalieri (57294 inhabitants)
70 Km NW of Asti (76202 inhabitants)
91 Km W of Novara (104380 inhabitants)
97 Km W of Alessandria (93943 inhabitants)
98 Km N of Cuneo (56081 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 1.3 2020-02-18
11:00:20
45.28 7.49 7 2020-02-18
11:08:57
Sala Sismica INGV-Roma 76622391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-18 11:00:20 ± 0.21
Latitude 45.28 ± 0.01
Longitude 7.49 ± 0.03
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76622391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2401
Semi-minor axis of confidence ellipse (meter) 139
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 2400
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.20325
Epicentral distance of station farthest from the epicenter (degree) 0.84177
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:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 76622391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-18 11:08:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
CH.MMK.HHE. 2020-02-18T11:00:37.43 0.6 undecidable manual P 23 0.8418 50 0.23 45
CH.DIX.HHE. 2020-02-18T11:00:36.59 0.3 undecidable manual P 356 0.804 50 0.03 71
GU.CIRO.HHZ. 2020-02-18T11:00:33.12 0.3 undecidable manual S 10 0.3292 101 -0.66 67
IV.MRGE.HHZ. 2020-02-18T11:00:32.82 0.1 undecidable manual P 329 0.5756 50 0.16 97
GU.TRAV.HHZ. 2020-02-18T11:00:32.26 0.3 undecidable manual S 38 0.2977 102 -0.32 74
GU.BHB.HHE. 2020-02-18T11:00:30.23 0.3 undecidable manual P 200 0.4694 50 -0.61 66
GU.TRAV.HHZ. 2020-02-18T11:00:28.11 0.1 undecidable manual P 38 0.2977 102 0.48 96
GU.CIRO.HHZ. 2020-02-18T11:00:28.57 0.1 undecidable manual P 10 0.3292 101 0.25 100
GU.RSP.HHZ. 2020-02-18T11:00:28.93 0.3 undecidable manual S 231 0.2032 107 -0.12 79
GU.RSP.HHZ. 2020-02-18T11:00:25.85 0.3 undecidable manual P 231 0.2032 107 0.26 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HHN. ML:1.3 0.000123 0.44 AML other m 2020-02-18T11:00:29.08
GU.RSP.HHE. ML:1.1 9.6E-5 0.6 AML other m 2020-02-18T11:00:29.43
GU.TRAV.HHE. ML:1.4 0.0001083 0.18 AML other m 2020-02-18T11:00:32.62
GU.TRAV.HHN. ML:1.4 0.0001269 0.22 AML other m 2020-02-18T11:00:32.71
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download