Earthquake with magnitude of ML 1.1 on date 02-12-2019 and time 18:24:21 (Italy) in region 4 km NW Coazze (TO)

A magnitude ML 1.1 earthquake occured in region: 4 km NW Coazze (TO), on

  • 02-12-2019 17:24:21 (UTC)
  • 02-12-2019 18:24:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.07, 7.26 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
Coazze TO 4 3287 3287
Vaie TO 4 1458 4745
Sant'Antonino di Susa TO 5 4306 9051
Villar Focchiardo TO 5 2042 11093
Borgone Susa TO 6 2229 13322
Chiusa di San Michele TO 7 1647 14969
Valgioie TO 7 951 15920
Condove TO 7 4638 20558
San Didero TO 8 551 21109
Caprie TO 8 2086 23195
Giaveno TO 8 16455 39650
Sant'Ambrogio di Torino TO 9 4755 44405
San Giorio di Susa TO 9 1024 45429
Bruzolo TO 10 1524 46953
Avigliana TO 11 12516 59469
Chianocco TO 11 1675 61144
Bussoleno TO 11 6094 67238
Villar Dora TO 11 2932 70170
Almese TO 12 6401 76571
Roure TO 13 848 77419
Mattie TO 13 687 78106
Rubiana TO 13 2400 80506
Trana TO 13 3877 84383
Perosa Argentina TO 13 3285 87668
Cumiana TO 13 7826 95494
Reano TO 14 1818 97312
Inverso Pinasca TO 14 730 98042
Pomaretto TO 14 1009 99051
Buttigliera Alta TO 14 6419 105470
Pinasca TO 14 3051 108521
Cantalupa TO 16 2553 111074
Meana di Susa TO 16 826 111900
Sangano TO 16 3707 115607
Rosta TO 16 4903 120510
Fenestrelle TO 17 544 121054
Villar Perosa TO 17 4092 125146
Frossasco TO 17 2864 128010
Villarbasse TO 17 3509 131519
Roletto TO 17 2009 133528
Mompantero TO 17 659 134187
Bruino TO 18 8639 142826
Susa TO 18 6466 149292
Lemie TO 18 179 149471
Val della Torre TO 18 3869 153340
Usseaux TO 18 186 153526
Caselette TO 18 3060 156586
Perrero TO 18 659 157245
Piossasco TO 18 18589 175834
San Pietro Val Lemina TO 19 1448 177282
Usseglio TO 19 209 177491
Pramollo TO 19 258 177749
San Germano Chisone TO 19 1854 179603
Gravere TO 19 692 180295
Massello TO 20 51 180346

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Torino (890529 inhabitants)
35 Km W of Moncalieri (57294 inhabitants)
77 Km W of Asti (76202 inhabitants)
79 Km NW 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 1.1 2019-12-02
17:24:21
45.07 7.26 7 2019-12-02
17:33:22
Sala Sismica INGV-Roma 74255911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-02 17:24:21 ± 0.11
Latitude 45.07 ± 0.01
Longitude 7.26 ± 0.01
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 74255911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 737
Semi-minor axis of confidence ellipse (meter) 424
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 740
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
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) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.71316
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 74255911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-02 17:33:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
MN.BNI.HHZ. 2019-12-02T17:24:36.19 0.3 undecidable manual S 268 0.4092 50 -0.29 66
GU.RRL.HHZ. 2019-12-02T17:24:35.15 0.1 undecidable manual S 246 0.3615 50 0.08 93
IV.MRGE.HHZ. 2019-12-02T17:24:34.64 0.1 undecidable manual P 349 0.7132 50 -0.5 78
GU.CIRO.HHE. 2019-12-02T17:24:33.19 0.1 undecidable manual P 22 0.5747 50 0.41 85
GU.TRAV.HHE. 2019-12-02T17:24:32.51 0.6 undecidable manual P 38 0.5612 50 -0.03 45
IV.MONC.HHE. 2019-12-02T17:24:31.02 1.0 undecidable manual P 89 0.473 50 -0.01 23
MN.BNI.HHZ. 2019-12-02T17:24:30.34 0.6 undecidable manual P 268 0.4092 50 0.4 44
GU.BHB.HHE. 2019-12-02T17:24:30.04 0.1 undecidable manual S 179 0.2347 105 -0.32 92
GU.RRL.HHZ. 2019-12-02T17:24:29.47 0.1 undecidable manual P 246 0.3615 50 0.34 88
GU.BHB.HHE. 2019-12-02T17:24:26.62 0.1 undecidable manual P 179 0.2347 105 0.21 93
GU.RSP.HHN. 2019-12-02T17:24:24.79 0.1 undecidable manual S 4 0.0782 129 -0.11 100
GU.RSP.HHN. 2019-12-02T17:24:23.27 0.1 undecidable manual P 4 0.0782 129 0.01 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HHN. ML:1.1 0.0002125 0.08 AML other m 2019-12-02T17:24:24.97
GU.RSP.HHE. ML:1.2 0.000246 0.12 AML other m 2019-12-02T17:24:24.97
GU.BHB.HHE. ML:1.2 0.00010095 0.18 AML other m 2019-12-02T17:24:30.12
GU.BHB.HHN. ML:1.2 9.405E-5 0.12 AML other m 2019-12-02T17:24:30.65
GU.RSP.HNE. ML:1.1 0.0002175753 0.1024 AML other m 2019-12-02T17:24:24.92
GU.RSP.HNN. ML:1 0.00018391725 0.0768 AML other m 2019-12-02T17:24:24.93
GU.RRL.HHE. ML:0.5 1.11895105E-5 0.1792 AML other m 2019-12-02T17:24:35.58
GU.RRL.HHN. ML:0.5 8.4218835E-6 0.1408 AML other m 2019-12-02T17:24:35.21
MN.BNI.HNE. ML:0.5 1.074576545E-5 0.256 AML other m 2019-12-02T17:24:37.15
MN.BNI.HNN. ML:0.5 1.018107E-5 0.4864 AML other m 2019-12-02T17:24:36.52
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