Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 29-06-2019 and time 02:50:44 (Italy) in region 2 km NW Colle di Val d'Elsa (SI)

A magnitude ML 1.7 earthquake occured in region: 2 km NW Colle di Val d'Elsa (SI), on

  • 29-06-2019 00:50:44 (UTC)
  • 29-06-2019 02:50:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4310, 11.1050 at 8 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
Colle di Val d'Elsa SI 2 21620 21620
Poggibonsi SI 5 29196 50816
San Gimignano SI 6 7820 58636
Monteriggioni SI 10 9810 68446
Casole d'Elsa SI 11 3897 72343
Barberino Val d'Elsa FI 14 4386 76729
Certaldo FI 14 16121 92850
Castellina in Chianti SI 15 2859 95709
Tavarnelle Val di Pesa FI 16 7800 103509
Gambassi Terme FI 17 4870 108379
Radicondoli SI 20 914 109293
Sovicille SI 20 10116 119409

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Siena (53903 inhabitants)
37 Km S of Scandicci (50609 inhabitants)
40 Km SW of Firenze (382808 inhabitants)
50 Km S of Prato (191150 inhabitants)
58 Km S of Pistoia (90315 inhabitants)
63 Km W of Arezzo (99543 inhabitants)
65 Km E of Pisa (89158 inhabitants)
66 Km E of Livorno (159219 inhabitants)
67 Km SE of Lucca (89046 inhabitants)
75 Km N of Grosseto (82087 inhabitants)
84 Km SE of Viareggio (62467 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 1.7 2019-06-29
00:50:44		 43.4312 11.1048 8 2019-11-13
14:31:00		 Bollettino Sismico Italiano INGV 71904431
Reviewed
Rev100 		ML 1.7 2019-06-29
00:50:44		 43.429 11.1062 8 2019-06-29
01:03:29		 Sala Sismica INGV-Roma 70015171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-29 00:50:44 ± 0.1
Latitude 43.4312 ± 0.0036
Longitude 11.1048 ± 0.0074
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71904431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 547
Semi-minor axis of confidence ellipse (meter) 311
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) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
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) 0.13760
Epicentral distance of station farthest from the epicenter (degree) 0.84986
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 70015171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-29 01:03:29

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 71904431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-29 10:58:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSP9.EHZ. 2019-06-29T00:51:10.00 0.6 undecidable manual S 79 84.0492 50 -0.1 44
IV.BDI.HHZ. 2019-06-29T00:51:09.10 0.3 undecidable manual S 330 81.0522 50 -0.2 65
IV.SFI.EHZ. 2019-06-29T00:51:08.20 0.3 undecidable manual S 48 79.365 50 -0.65 57
IV.CASP.HHZ. 2019-06-29T00:51:07.00 0.6 undecidable manual S 195 73.6707 50 -0.31 43
IV.SEI.HHZ. 2019-06-29T00:51:06.90 0.6 undecidable manual S 16 72.0723 50 0.01 46
IV.CRE.HHZ. 2019-06-29T00:51:06.50 0.6 undecidable manual S 73 71.1732 50 -0.17 44
IV.PII.HHZ. 2019-06-29T00:51:02.20 0.6 undecidable manual S 305 56.6988 50 -0.58 41
IV.RUFI.EHZ. 2019-06-29T00:51:02.00 0.3 undecidable manual S 36 55.5999 50 -0.5 64
IV.MPPT.EHZ. 2019-06-29T00:51:02.90 0.3 undecidable manual S 359 58.3971 50 -0.34 65
IV.RIBO.EHZ.01 2019-06-29T00:51:01.50 0.6 undecidable manual S 185 53.7018 50 -0.49 43
IV.PARC.HHZ. 2019-06-29T00:51:01.35 0.3 undecidable manual P 75 94.3389 50 0.49 59
IV.LMD.HHZ. 2019-06-29T00:51:00.01 0.3 undecidable manual P 34 86.4468 50 0.36 62
IV.SSP9.EHZ. 2019-06-29T00:50:59.67 0.6 undecidable manual P 79 84.0492 50 0.38 41
IV.BDI.HHZ. 2019-06-29T00:50:59.18 0.3 undecidable manual P 330 81.0522 50 0.35 63
IV.CRE.HHZ. 2019-06-29T00:50:58.01 0.1 undecidable manual P 73 71.1732 50 0.7 76
TV.SF04.EHZ. 2019-06-29T00:50:58.84 0.3 undecidable manual P 146 79.9644 50 0.19 65
IV.SFI.EHZ. 2019-06-29T00:50:58.79 0.1 undecidable manual P 48 79.365 50 0.22 86
GU.POPM.HHZ. 2019-06-29T00:50:58.06 0.6 undecidable manual P 338 73.5708 50 0.39 42
IV.CASP.HHZ. 2019-06-29T00:50:58.50 0.6 undecidable manual P 195 73.6707 50 0.82 36
IV.ARCI.HHZ. 2019-06-29T00:50:57.49 0.6 undecidable manual P 155 70.8735 50 0.23 44
IV.SEI.HHZ. 2019-06-29T00:50:57.81 0.3 undecidable manual P 16 72.0723 50 0.38 63
IV.MAGO.CHZ. 2019-06-29T00:50:57.90 0.6 undecidable manual S 244 40.1265 50 -0.45 44
IV.TRIF.CHE. 2019-06-29T00:50:57.50 0.6 undecidable manual S 205 38.7279 50 -0.49 44
IV.MTCR.EHZ. 2019-06-29T00:50:56.63 0.3 undecidable manual P 353 66.6777 50 0.02 69
IV.MOCL.EHZ. 2019-06-29T00:50:56.80 0.6 undecidable manual P 5 63.8916 50 0.62 40
IV.MPPT.EHZ. 2019-06-29T00:50:55.44 0.3 undecidable manual P 359 58.3971 50 0.11 69
IV.PII.HHZ. 2019-06-29T00:50:55.19 0.3 undecidable manual P 305 56.6988 50 0.12 69
IV.RIBO.EHZ.01 2019-06-29T00:50:55.15 0.3 undecidable manual P 185 53.7018 50 0.55 63
IV.RUFI.EHZ. 2019-06-29T00:50:54.65 0.1 positive manual P 36 55.5999 50 -0.25 90
IV.FROS.CHZ. 2019-06-29T00:50:53.20 0.3 undecidable manual S 170 24.9528 108 -0.4 69
IV.TRIF.CHE. 2019-06-29T00:50:52.08 0.1 undecidable manual P 205 38.7279 50 -0.22 93
IV.MAGO.CHZ. 2019-06-29T00:50:52.46 0.3 undecidable manual P 244 40.1265 50 -0.05 72
IV.OSSC.HHZ. 2019-06-29T00:50:50.20 0.3 undecidable manual S 48 15.2736 118 -0.31 71
IV.CSNT.HHZ. 2019-06-29T00:50:50.10 0.3 undecidable manual S 73 15.6732 117 -0.51 68
IV.FROS.CHZ. 2019-06-29T00:50:49.90 0.1 positive manual P 170 24.9528 108 0.14 97
IV.OSSC.HHZ. 2019-06-29T00:50:48.04 0.1 positive manual P 48 15.2736 118 0.06 100
IV.CSNT.HHZ. 2019-06-29T00:50:47.98 0.1 positive manual P 73 15.6732 117 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHE. ML:0.0 0.000019396480000000002 0.54 AML other m 2019-06-29T00:51:17.70
IV.CSNT.HHE. ML:1.6 0.00042396505 0.1 AML other m 2019-06-29T00:50:50.20
IV.OSSC.HHE. ML:1.8 0.00070936255 0.3 AML other m 2019-06-29T00:50:50.39
IV.OSSC.HNE. ML:1.8 0.0006729154500000001 0.23 AML other m 2019-06-29T00:50:50.41
IV.OSSC.HNN. ML:1.8 0.00070690745 0.29 AML other m 2019-06-29T00:50:50.39
IV.OSSC.HHN. ML:1.8 0.00068303355 0.24 AML other m 2019-06-29T00:50:50.41
IV.FROS.CHE. ML:2.0 0.0006623877 0.288 AML other m 2019-06-29T00:50:53.67
IV.FROS.CHN. ML:1.9 0.00046208595 0.136 AML other m 2019-06-29T00:50:53.71
IV.MAGO.CHE. ML:1.8 0.00020471499999999998 0.152 AML other m 2019-06-29T00:50:58.63
IV.MAGO.CHN. ML:2.0 0.0003327155 0.144 AML other m 2019-06-29T00:50:58.20
IV.RUFI.EHN. ML:1.6 0.00009409285 0.18 AML other m 2019-06-29T00:51:02.83
IV.RUFI.EHE. ML:1.8 0.00015419660000000001 0.2 AML other m 2019-06-29T00:51:02.73
IV.PII.HHN. ML:1.8 0.00013847234999999998 0.36 AML other m 2019-06-29T00:51:02.61
IV.PII.HHE. ML:1.9 0.00017696205 0.3 AML other m 2019-06-29T00:51:03.54
IV.MPPT.EHE. ML:1.5 0.00007052324999999999 0.52 AML other m 2019-06-29T00:51:03.75
IV.MPPT.EHN. ML:1.4 0.00005503719 0.3 AML other m 2019-06-29T00:51:04.02
IV.MOCL.EHN. ML:1.5 0.00006000127500000001 0.3 AML other m 2019-06-29T00:51:09.36
IV.MOCL.EHE. ML:1.4 0.000050775855 0.18 AML other m 2019-06-29T00:51:06.05
IV.ARCI.HHN. ML:1.2 0.000026623644 0.2 AML other m 2019-06-29T00:51:11.01
IV.ARCI.HHE. ML:1.2 0.000022559264999999997 0.52 AML other m 2019-06-29T00:51:12.38
IV.SEI.HHE. ML:1.7 0.0000739151 0.2 AML other m 2019-06-29T00:51:09.81
IV.SEI.HHN. ML:2.0 0.00016307625 0.42 AML other m 2019-06-29T00:51:12.82
IV.CRE.HHN. ML:1.6 0.000061314385 0.28 AML other m 2019-06-29T00:51:11.22
IV.CRE.HHE. ML:1.4 0.000044595104999999996 0.38 AML other m 2019-06-29T00:51:08.28
GU.POPM.HHE. ML:1.5 0.00005244942 0.22 AML other m 2019-06-29T00:51:10.11
GU.POPM.HHN. ML:1.5 0.00004931196 0.26 AML other m 2019-06-29T00:51:12.52
IV.CASP.HHE. ML:1.6 0.00005913386 0.12 AML other m 2019-06-29T00:51:07.96
IV.CASP.HHN. ML:1.8 0.00008971876 0.22 AML other m 2019-06-29T00:51:07.92
IV.SFI.EHN. ML:1.4 0.00003353096 0.46 AML other m 2019-06-29T00:51:12.43
IV.SFI.EHE. ML:1.5 0.00003990808 0.6 AML other m 2019-06-29T00:51:09.80
IV.BDI.HHE. ML:1.4 0.00003748674 0.36 AML other m 2019-06-29T00:51:13.25
IV.BDI.HHN. ML:1.5 0.00004106743 0.5 AML other m 2019-06-29T00:51:12.84
IV.LMD.HHE. ML:1.5 0.00004230419000000001 0.26 AML other m 2019-06-29T00:51:12.38
IV.LMD.HHN. ML:1.7 0.000057947265 0.2 AML other m 2019-06-29T00:51:11.69
IV.PARC.HHN. ML:1.4 0.000022882965 0.38 AML other m 2019-06-29T00:51:15.29
IV.RIBO.EHE.01 ML:1.8 0.000141852485 0.14 AML other m 2019-06-29T00:51:02.17
IV.MTCR.EHN. ML:1.4 0.000041777385 0.24 AML other m 2019-06-29T00:51:06.66
IV.MTCR.EHE. ML:1.3 0.000036930199999999994 0.24 AML other m 2019-06-29T00:51:06.89
IV.ARCI.HNN. ML:1.8 0.0001138374 0.81 AML other m 2019-06-29T00:51:15.58
IV.ARCI.HNE. ML:1.9 0.00013537205 0.93 AML other m 2019-06-29T00:51:04.15
IV.SFI.HNN. ML:2.0 0.00013672234 0.84 AML other m 2019-06-29T00:51:12.17
IV.BDI.HNE. ML:1.9 0.00011067186000000002 0.94 AML other m 2019-06-29T00:51:19.93
IV.BDI.HNN. ML:2.0 0.00014881564999999998 1.12 AML other m 2019-06-29T00:51:20.18
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