Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 29-06-2019 and time 02:51:16 (Italy) in region 1 km W Colle di Val d'Elsa (SI)

A magnitude ML 1.4 earthquake occured in region: 1 km W Colle di Val d'Elsa (SI), on

  • 29-06-2019 00:51:16 (UTC)
  • 29-06-2019 02:51:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4260, 11.1050 at 8 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.

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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 1 21620 21620
Poggibonsi SI 6 29196 50816
San Gimignano SI 7 7820 58636
Monteriggioni SI 10 9810 68446
Casole d'Elsa SI 11 3897 72343
Barberino Val d'Elsa FI 14 4386 76729
Certaldo FI 15 16121 92850
Castellina in Chianti SI 16 2859 95709
Tavarnelle Val di Pesa FI 16 7800 103509
Gambassi Terme FI 18 4870 108379
Sovicille SI 19 10116 118495
Radicondoli SI 19 914 119409
Volterra PI 20 10519 129928

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Siena (53903 inhabitants)
38 Km S of Scandicci (50609 inhabitants)
40 Km SW of Firenze (382808 inhabitants)
51 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)
74 Km N of Grosseto (82087 inhabitants)
85 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
Reviewed
Rev100 		ML 1.4 2019-06-29
00:51:16		 43.4265 11.105 8 2019-06-29
01:09:13		 Sala Sismica INGV-Roma 70015271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-29 00:51:16 ± 0.09
Latitude 43.4265 ± 0.0036
Longitude 11.1050 ± 0.0074
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70015271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 573
Semi-minor axis of confidence ellipse (meter) 352
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71586
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 70015271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-29 01:09:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2019-06-29T00:53:14.88 3.0 undecidable manual Sn 2.09 0
IV.AGST.EHZ. 2019-06-29T00:52:59.64 3.0 negative manual Pn 1.41 0
IV.PTRJ.HNZ. 2019-06-29T00:52:47.62 3.0 undecidable manual Sn -0.09 0
IV.CMPR.HHZ. 2019-06-29T00:52:29.91 3.0 undecidable manual Pn 6.25 0
IV.SARZ.HHZ. 2019-06-29T00:52:24.11 3.0 undecidable manual Sn 2.58 0
IV.MBAL.EHZ. 2019-06-29T00:52:24.67 3.0 undecidable manual Sn 0.33 0
IV.MBAL.EHZ. 2019-06-29T00:52:00.25 3.0 undecidable manual Pg 5.48 0
IV.TOLF.HHZ. 2019-06-29T00:51:47.72 3.0 undecidable manual P 3.72 0
GU.POPM.HHZ. 2019-06-29T00:51:39.84 0.6 undecidable manual S 338 74.0703 50 0.44 42
IV.CRE.HHZ. 2019-06-29T00:51:38.88 0.3 undecidable manual S 72 71.373 50 0.2 66
IV.RUFI.EHZ. 2019-06-29T00:51:34.13 0.6 undecidable manual S 35 55.9995 50 -0.46 43
IV.PII.HHZ. 2019-06-29T00:51:34.45 0.3 undecidable manual S 305 56.9985 50 -0.4 65
IV.MPPT.EHZ. 2019-06-29T00:51:34.98 0.6 undecidable manual S 359 58.8966 50 -0.38 43
IV.RIBO.EHZ.01 2019-06-29T00:51:33.73 0.3 undecidable manual S 185 53.2023 50 -0.1 70
GU.POPM.HHZ. 2019-06-29T00:51:30.17 0.6 undecidable manual P 338 74.0703 50 0.47 41
TV.SF04.EHZ. 2019-06-29T00:51:30.89 1.0 negative manual P 145 79.4649 50 0.36 21
IV.MAGO.CHE. 2019-06-29T00:51:29.98 0.3 undecidable manual S 245 39.8268 50 -0.29 69
IV.CRE.HHZ. 2019-06-29T00:51:29.79 0.1 undecidable manual P 72 71.373 50 0.51 82
IV.TRIF.CHE. 2019-06-29T00:51:29.37 0.3 undecidable manual S 205 38.2284 50 -0.47 66
IV.PII.HHZ. 2019-06-29T00:51:27.36 0.1 undecidable manual P 305 56.9985 50 0.29 89
IV.MPPT.EHZ. 2019-06-29T00:51:27.44 0.1 undecidable manual P 359 58.8966 50 0.08 92
IV.RUFI.EHZ. 2019-06-29T00:51:26.73 0.1 undecidable manual P 35 55.9995 50 -0.19 91
IV.RIBO.EHZ.01 2019-06-29T00:51:26.81 0.6 undecidable manual P 185 53.2023 50 0.33 44
IV.FROS.CHZ. 2019-06-29T00:51:25.22 0.3 undecidable manual S 170 24.3534 108 -0.1 73
IV.MAGO.CHE. 2019-06-29T00:51:24.58 0.1 undecidable manual P 245 39.8268 50 0.15 94
IV.TRIF.CHE. 2019-06-29T00:51:24.15 0.1 undecidable manual P 205 38.2284 50 -0.03 97
IV.CSNT.HHZ. 2019-06-29T00:51:22.02 0.3 undecidable manual S 71 15.7731 116 -0.52 68
IV.OSSC.HHZ. 2019-06-29T00:51:22.40 0.3 undecidable manual S 46 15.6732 116 -0.1 75
IV.FROS.CHZ. 2019-06-29T00:51:21.84 0.1 undecidable manual P 170 24.3534 108 0.27 94
IV.OSSC.HHZ. 2019-06-29T00:51:20.03 0.1 undecidable manual P 46 15.6732 116 0.09 99
IV.CSNT.HHZ. 2019-06-29T00:51:19.90 0.1 undecidable manual P 71 15.7731 116 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSNT.HHE. ML:1.5 0.0003345 0.24 AML other m 2019-06-29T00:51:22.20
IV.CSNT.HHN. ML:1.8 0.0005785 0.36 AML other m 2019-06-29T00:51:22.10
IV.FROS.CHE. ML:1.8 0.0004205 0.92 AML other m 2019-06-29T00:51:25.81
IV.FROS.CHN. ML:1.6 0.00028149999999999996 0.46 AML other m 2019-06-29T00:51:26.07
IV.PII.HHE. ML:1.8 0.00013450000000000002 0.36 AML other m 2019-06-29T00:51:35.76
IV.PII.HHN. ML:1.7 0.00010314999999999999 0.3 AML other m 2019-06-29T00:51:36.35
IV.OSSC.HHE. ML:1.3 0.00018391325 0.18 AML other m 2019-06-29T00:51:22.54
IV.OSSC.HHN. ML:1.1 0.00011904775000000001 0.18 AML other m 2019-06-29T00:51:22.90
IV.OSSC.HNE. ML:1.1 0.0001370214 0.18 AML other m 2019-06-29T00:51:22.00
IV.OSSC.HNN. ML:1.3 0.00019739475 0.37 AML other m 2019-06-29T00:51:23.81
IV.RUFI.EHE. ML:1.6 0.0000840899 0.28 AML other m 2019-06-29T00:51:34.44
IV.RUFI.EHN. ML:1.4 0.000054643449999999996 0.26 AML other m 2019-06-29T00:51:34.88
IV.MPPT.EHN. ML:1.2 0.00003381624 0.26 AML other m 2019-06-29T00:51:37.03
IV.MPPT.EHE. ML:1.4 0.000049230365 0.44 AML other m 2019-06-29T00:51:36.00
IV.CRE.HHN. ML:1.2 0.00002471981 0.36 AML other m 2019-06-29T00:51:39.86
IV.CRE.HHE. ML:1.1 0.000020916325 0.2 AML other m 2019-06-29T00:51:40.12
GU.POPM.HHN. ML:1.1 0.000021905675 0.28 AML other m 2019-06-29T00:51:42.76
GU.POPM.HHE. ML:1.1 0.000022272949999999998 0.38 AML other m 2019-06-29T00:51:42.38
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