Earthquake with magnitude of ML 1.8 on date 24-11-2019 and time 23:18:54 (Italy) in region 2 km NE Massello (TO)

A magnitude ML 1.8 earthquake occured in region: 2 km NE Massello (TO), on

  • 24-11-2019 22:18:54 (UTC)
  • 24-11-2019 23:18:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.9740, 7.0700 at 12 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
Massello TO 2 51 51
Salza di Pinerolo TO 4 75 126
Perrero TO 5 659 785
Roure TO 6 848 1633
Fenestrelle TO 7 544 2177
Usseaux TO 9 186 2363
Pomaretto TO 9 1009 3372
Prali TO 9 246 3618
Perosa Argentina TO 10 3285 6903
Pragelato TO 11 776 7679
Inverso Pinasca TO 12 730 8409
Pinasca TO 13 3051 11460
Pramollo TO 14 258 11718
Sestriere TO 15 929 12647
Villar Perosa TO 15 4092 16739
San Germano Chisone TO 16 1854 18593
Meana di Susa TO 16 826 19419
Mattie TO 17 687 20106
Sauze di Cesana TO 17 244 20350
Gravere TO 17 692 21042
Sauze d'Oulx TO 18 1109 22151
Chiomonte TO 18 916 23067
Exilles TO 18 273 23340
Susa TO 18 6466 29806
Porte TO 18 1083 30889
Salbertrand TO 18 596 31485
Mompantero TO 19 659 32144
Bobbio Pellice TO 19 563 32707
Angrogna TO 19 889 33596
Giaglione TO 19 631 34227
San Giorio di Susa TO 19 1024 35251
Bussoleno TO 19 6094 41345
Villar Pellice TO 20 1076 42421
Villar Focchiardo TO 20 2042 44463
Oulx TO 20 3307 47770
Coazze TO 20 3287 51057
Prarostino TO 20 1273 52330

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km W of Moncalieri (57294 inhabitants)
49 Km W of Torino (890529 inhabitants)
75 Km NW of Cuneo (56081 inhabitants)
90 Km W of Asti (76202 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 1.8 2019-11-24
22:18:54
44.974 7.0698 12 2020-02-28
16:42:10
Bollettino Sismico Italiano INGV 74122721
Reviewed
Rev100
ML 1.8 2019-11-24
22:18:54
44.9742 7.0667 11 2019-11-24
22:31:01
Sala Sismica INGV-Roma 74003001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-24 22:18:54 ± 0.14
Latitude 44.9740 ± 0.0072
Longitude 7.0698 ± 0.0114
Depth (km) 12 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74122721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 929
Semi-minor axis of confidence ellipse (meter) 261
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.13045
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74122721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-28 14:35:42

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74003001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-24 22:31:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2019-11-24T22:20:29.01 3.0 negative manual Pg 9.17 0
IV.LAV9.HHZ. 2019-11-24T22:20:22.13 3.0 undecidable manual Pg 8.13 0
IV.CSP1.EHZ. 2019-11-24T22:20:18.41 3.0 positive manual Pg 10.87 0
IV.CAVE.HHZ. 2019-11-24T22:20:11.33 3.0 undecidable manual Sn -3.18 0
IV.MURB.HNZ. 2019-11-24T22:20:10.16 3.0 negative manual Pg 9.81 0
IV.PLMA.HHZ. 2019-11-24T22:20:00.20 3.0 undecidable manual Sg -0.23 0
CH.DIX.HHZ. 2019-11-24T22:19:29.99 0.1 undecidable manual S 12 125.4744 90 -0.22 80
GU.SATI.HHZ. 2019-11-24T22:19:27.95 0.3 undecidable manual S 32 117.6933 90 -0.19 62
GU.BLANC.HHE. 2019-11-24T22:19:22.18 0.1 undecidable manual S 354 97.125 91 -0.46 80
RD.ORIF.BHZ. 2019-11-24T22:19:21.56 0.1 undecidable manual S 267 93.6396 91 -0.15 87
GU.STV.HHZ. 2019-11-24T22:19:18.38 0.3 undecidable manual S 166 83.3499 91 -0.57 62
GU.TRAV.HHZ. 2019-11-24T22:19:17.56 0.3 undecidable manual S 41 79.7646 91 -0.45 63
CH.DIX.HHZ. 2019-11-24T22:19:15.42 0.3 undecidable manual P 12 125.4744 90 0.41 59
GU.SATI.HHZ. 2019-11-24T22:19:14.69 0.3 undecidable manual P 32 117.6933 90 0.87 50
GU.BLANC.HHE. 2019-11-24T22:19:11.48 0.3 undecidable manual P 354 97.125 91 0.83 54
RD.ORIF.BHZ. 2019-11-24T22:19:10.91 0.1 undecidable manual P 267 93.6396 91 0.8 73
GU.PZZ.HHZ. 2019-11-24T22:19:09.98 0.1 undecidable manual S 176 51.9036 91 -0.61 86
GU.STV.HHZ. 2019-11-24T22:19:08.79 0.1 undecidable manual P 166 83.3499 91 0.27 87
GU.TRAV.HHZ. 2019-11-24T22:19:08.29 0.3 undecidable manual P 41 79.7646 91 0.31 65
MN.BNI.HHZ. 2019-11-24T22:19:04.65 0.3 undecidable manual S 286 31.9458 93 -0.6 64
GU.PZZ.HHZ. 2019-11-24T22:19:03.95 0.1 undecidable manual P 176 51.9036 91 0.27 92
GU.RSP.HNZ. 2019-11-24T22:19:02.85 0.3 undecidable manual S 38 24.6531 94 -0.45 70
MN.BNI.HHZ. 2019-11-24T22:19:00.56 0.1 positive manual P 286 31.9458 93 -0.04 100
GU.RSP.HNZ. 2019-11-24T22:18:59.74 0.1 negative manual P 38 24.6531 94 0.26 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HNN. ML:1.9 0.0004265 0.14 AML other m 2019-11-24T22:19:03.06
GU.RSP.HHN. ML:1.9 0.00048049999999999997 0.26 AML other m 2019-11-24T22:19:03.12
GU.RSP.HNE. ML:1.9 0.0004955 0.24 AML other m 2019-11-24T22:19:03.52
GU.RSP.HHE. ML:1.9 0.000547 0.6 AML other m 2019-11-24T22:19:03.52
MN.BNI.HNN. ML:1.4 0.00010850000000000001 0.6 AML other m 2019-11-24T22:19:06.55
MN.BNI.HNE. ML:1.5 0.00013450000000000002 0.22 AML other m 2019-11-24T22:19:06.51
GU.TRAV.HHN. ML:1.9 0.00010350000000000001 0.62 AML other m 2019-11-24T22:19:18.20
GU.TRAV.HHE. ML:1.8 0.00009035 0.24 AML other m 2019-11-24T22:19:18.79
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