Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 03-01-2019 and time 10:03:04 (UTC) in region 3 km E Groscavallo (TO)

A magnitude ML 1.9 earthquake occured in region: 3 km E Groscavallo (TO), on

  • 03-01-2019 10:03:04 (UTC)
  • 03-01-2019 11:03:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.3820, 7.3140 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Groscavallo TO 3 204 204
Chialamberto TO 3 345 549
Cantoira TO 7 564 1113
Ala di Stura TO 7 469 1582
Noasca TO 8 137 1719
Ceresole Reale TO 9 156 1875
Ceres TO 10 1065 2940
Balme TO 11 115 3055
Mezzenile TO 12 786 3841
Pessinetto TO 12 606 4447
Locana TO 12 1498 5945
Monastero di Lanzo TO 13 350 6295
Coassolo Torinese TO 15 1547 7842
Traves TO 15 518 8360
Ribordone TO 16 53 8413
Viù TO 17 1051 9464
Lemie TO 17 179 9643
Lanzo Torinese TO 18 5086 14729
Germagnano TO 18 1201 15930
Usseglio TO 18 209 16139
Sparone TO 19 1038 17177
Corio TO 19 3277 20454

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Torino (890529 inhabitants)
51 Km NW of Moncalieri (57294 inhabitants)
88 Km NW 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 1.9 2019-01-03
10:03:04		 45.3815 7.3135 11 2019-08-22
08:24:51		 Bollettino Sismico Italiano INGV 65976041
Reviewed
Rev100 		ML 2.2 2019-01-03
10:03:04		 45.3772 7.3187 17 2019-01-03
10:18:13		 Sala Sismica INGV-Roma 64472831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-03 10:03:04 ± 0.11
Latitude 45.3815 ± 0.0000
Longitude 7.3135 ± 0.0000
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65976041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 0
Semi-minor axis of confidence ellipse (meter) 0
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 0.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.23562
Epicentral distance of station farthest from the epicenter (degree) 1.42543
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 64472831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-03 10:18:13

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 43
Type of magnitude ML
Reference to an origin 65976041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-12 22:35:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2019-01-03T10:03:43.23 0.3 undecidable manual S 134 134.2656 90 0.18 62
GU.GBOS.HHZ. 2019-01-03T10:03:42.71 0.3 undecidable manual S 162 133.0668 90 -0.06 64
GU.PZZ.HHZ. 2019-01-03T10:03:32.90 0.1 undecidable manual S 189 98.2239 90 -0.53 82
CH.FUSIO.HHZ. 2019-01-03T10:03:31.40 0.3 undecidable manual P 41 158.2194 90 0.86 46
CH.MMK.HHZ. 2019-01-03T10:03:30.43 0.1 undecidable manual S 34 89.7435 90 -0.73 77
GU.CANO.HHZ. 2019-01-03T10:03:29.43 0.1 undecidable manual P 150 149.1396 90 0.27 79
IV.QLNO.HHZ. 2019-01-03T10:03:28.32 0.1 undecidable manual P 145 142.6461 90 0.19 81
GU.PCP.HHZ. 2019-01-03T10:03:27.24 0.1 undecidable manual P 134 134.2656 90 0.37 79
GU.GBOS.HHZ. 2019-01-03T10:03:26.48 0.3 undecidable manual P 162 133.0668 90 -0.22 62
CH.DIX.HHZ. 2019-01-03T10:03:26.81 0.1 undecidable manual S 5 77.8665 90 -1.18 64
GU.ENR.HHZ. 2019-01-03T10:03:24.82 1.0 undecidable manual P 176 128.3715 90 -1.12 15
GU.RRL.HHZ. 2019-01-03T10:03:24.24 0.1 undecidable manual S 219 65.49 90 -0.45 90
GU.BHB.HHZ. 2019-01-03T10:03:23.01 0.1 undecidable manual S 184 60.6948 90 -0.42 91
MN.BNI.HHE. 2019-01-03T10:03:23.20 0.1 undecidable manual S 234 61.6938 90 -0.48 90
GU.PZZ.HHZ. 2019-01-03T10:03:21.36 0.1 undecidable manual P 189 98.2239 90 0.05 92
CH.MMK.HHZ. 2019-01-03T10:03:20.43 0.1 positive manual P 34 89.7435 90 0.43 86
GU.REMY.HHN. 2019-01-03T10:03:20.37 0.3 undecidable manual S 347 52.1034 90 -0.74 62
IV.MRGE.HHE. 2019-01-03T10:03:19.13 0.3 undecidable manual S 336 47.3193 90 -0.72 63
CH.DIX.HHZ. 2019-01-03T10:03:18.21 0.1 positive manual P 5 77.8665 90 0.04 95
GU.RRL.HHZ. 2019-01-03T10:03:16.89 0.1 undecidable manual P 219 65.49 90 0.63 84
IV.MONC.HHZ. 2019-01-03T10:03:16.80 0.3 undecidable manual P 125 58.7967 90 1.56 40
GU.TRAV.HHZ. 2019-01-03T10:03:16.47 0.1 undecidable manual S 67 36.741 90 -0.55 92
MN.BNI.HHE. 2019-01-03T10:03:16.29 0.1 undecidable manual P 234 61.6938 90 0.61 86
GU.BHB.HHZ. 2019-01-03T10:03:15.93 0.1 undecidable manual P 184 60.6948 90 0.39 92
GU.REMY.HHN. 2019-01-03T10:03:14.56 0.1 undecidable manual P 347 52.1034 90 0.36 94
IV.MRGE.HHE. 2019-01-03T10:03:13.74 0.1 positive manual P 336 47.3193 90 0.27 96
GU.RSP.HHZ. 2019-01-03T10:03:13.92 0.1 undecidable manual S 188 26.1516 90 -0.27 100
GU.TRAV.HHZ. 2019-01-03T10:03:12.16 0.1 undecidable manual P 67 36.741 90 0.32 97
GU.RSP.HHZ. 2019-01-03T10:03:10.64 0.1 positive manual P 188 26.1516 90 0.43 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HNE. ML:2.4 0.0013291409999999998 0.16 AML other m 2019-01-03T10:03:14.12
GU.RSP.HHE. ML:2.4 0.001438151 0.16 AML other m 2019-01-03T10:03:14.12
GU.RSP.HNN. ML:2.4 0.001295 0.14 AML other m 2019-01-03T10:03:14.47
GU.RSP.HHN. ML:2.4 0.0014 0.14 AML other m 2019-01-03T10:03:14.47
GU.TRAV.HHN. ML:2.2 0.00065612565 0.0576 AML other m 2019-01-03T10:03:17.98
GU.TRAV.HHE. ML:2.2 0.0005643089999999999 0.0832 AML other m 2019-01-03T10:03:18.28
IV.MRGE.HHN. ML:2.0 0.0003005 0.44 AML other m 2019-01-03T10:03:19.96
IV.MRGE.HHE. ML:1.9 0.00021093640000000003 0.064 AML other m 2019-01-03T10:03:20.03
GU.BHB.HHE. ML:2.2 0.00033842459999999997 0.3392 AML other m 2019-01-03T10:03:23.69
GU.BHB.HHN. ML:2.4 0.00045815790000000003 1.8592 AML other m 2019-01-03T10:03:24.00
MN.BNI.HNN. ML:1.5 0.00006161731 0.1792 AML other m 2019-01-03T10:03:24.34
MN.BNI.HHN. ML:1.6 0.000074478655 0.16 AML other m 2019-01-03T10:03:24.33
MN.BNI.HHE. ML:1.5 0.00006387523000000001 0.1344 AML other m 2019-01-03T10:03:24.36
MN.BNI.HNE. ML:1.4 0.000051285225 0.1152 AML other m 2019-01-03T10:03:24.42
GU.REMY.HHN. ML:1.8 0.00014407748 0.1792 AML other m 2019-01-03T10:03:24.58
GU.RRL.HHN. ML:2.1 0.00022100000000000003 0.66 AML other m 2019-01-03T10:03:25.21
GU.SATI.HHN. ML:2.1 0.00019691019999999997 0.0832 AML other m 2019-01-03T10:03:25.61
GU.RRL.HHE. ML:1.8 0.00012956142 0.32 AML other m 2019-01-03T10:03:25.72
GU.SATI.HHE. ML:2.2 0.00028349999999999995 1.92 AML other m 2019-01-03T10:03:26.99
GU.GBOS.HHN. ML:1.5 0.00002196393 0.3776 AML other m 2019-01-03T10:03:27.25
IV.MONC.HHE. ML:2.0 0.00020850000000000003 0.56 AML other m 2019-01-03T10:03:28.45
CH.DIX.HHE. ML:2.7 0.0006817563500000001 0.2816 AML other m 2019-01-03T10:03:29.56
CH.DIX.HHN. ML:2.4 0.00040542485 0.1792 AML other m 2019-01-03T10:03:29.72
CH.MMK.HHE. ML:1.1 0.000017035762499999998 0.16 AML other m 2019-01-03T10:03:31.30
CH.MMK.HHN. ML:1.2 0.000020431315 0.1664 AML other m 2019-01-03T10:03:32.03
IV.MONC.HHN. ML:2.1 0.00024780315000000005 0.2816 AML other m 2019-01-03T10:03:32.77
GU.STV.HHN. ML:1.5 0.00002174833 0.8576 AML other m 2019-01-03T10:03:33.01
GU.PZZ.HHN. ML:2.4 0.0002683812 0.1984 AML other m 2019-01-03T10:03:35.22
GU.PZZ.HHE. ML:2.6 0.00036899999999999997 0.7 AML other m 2019-01-03T10:03:35.63
IV.VARE.HHN. ML:1.9 0.000049076140000000005 0.16 AML other m 2019-01-03T10:03:41.31
GU.ENR.HHN. ML:1.6 0.0000250961675 0.0576 AML other m 2019-01-03T10:03:42.61
GU.GBOS.HHE. ML:1.4 0.0000171322975 0.1536 AML other m 2019-01-03T10:03:42.70
IV.VARE.HHE. ML:1.9 0.00005923029 0.3008 AML other m 2019-01-03T10:03:43.21
GU.PCP.HHE. ML:1.5 0.000021352774999999998 0.4224 AML other m 2019-01-03T10:03:44.47
GU.ENR.HHE. ML:1.7 0.000032768925000000006 0.0576 AML other m 2019-01-03T10:03:48.53
GU.CANO.HHN. ML:2.0 0.000053030575 0.2624 AML other m 2019-01-03T10:03:50.77
GU.PCP.HHN. ML:1.5 0.00001755612 0.4992 AML other m 2019-01-03T10:03:51.56
CH.FUSIO.HHE. ML:1.9 0.000033479595000000003 0.2112 AML other m 2019-01-03T10:03:53.13
CH.FUSIO.HHN. ML:1.8 0.000030720145 0.128 AML other m 2019-01-03T10:03:54.18
IV.QLNO.HHN. ML:1.6 0.000022264235000000002 0.5184 AML other m 2019-01-03T10:03:55.95
IV.QLNO.HHE. ML:1.6 0.000024425059999999998 0.6784 AML other m 2019-01-03T10:03:56.73
GU.CANO.HHE. ML:2.2 0.00007918462000000001 1.0752 AML other m 2019-01-03T10:03:57.10
GU.STV.HHE. ML:1.5 0.000020875005 1.2032 AML other m 2019-01-03T10:04:09.81
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
Waveforms Seismic signals in miniseed + resp format Download