Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 15-11-2019 and time 23:30:40 (Italy) in region 4 km E Colle di Val d'Elsa (SI)

A magnitude ML 0.7 earthquake occured in region: 4 km E Colle di Val d'Elsa (SI), on

  • 15-11-2019 22:30:40 (UTC)
  • 15-11-2019 23:30:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4260, 11.1650 at 10 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 4 21620 21620
Poggibonsi SI 5 29196 50816
Monteriggioni SI 6 9810 60626
San Gimignano SI 11 7820 68446
Castellina in Chianti SI 11 2859 71305
Barberino Val d'Elsa FI 13 4386 75691
Casole d'Elsa SI 14 3897 79588
Tavarnelle Val di Pesa FI 15 7800 87388
Sovicille SI 17 10116 97504
Certaldo FI 17 16121 113625
Siena SI 18 53903 167528
Radda in Chianti SI 18 1613 169141

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of Siena (53903 inhabitants)
37 Km S of Scandicci (50609 inhabitants)
39 Km S of Firenze (382808 inhabitants)
51 Km S of Prato (191150 inhabitants)
58 Km W of Arezzo (99543 inhabitants)
60 Km SE of Pistoia (90315 inhabitants)
69 Km E of Pisa (89158 inhabitants)
70 Km E of Livorno (159219 inhabitants)
71 Km SE of Lucca (89046 inhabitants)
74 Km N of Grosseto (82087 inhabitants)
89 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 0.7 2019-11-15
22:30:40		 43.4262 11.1652 10 2019-11-15
22:40:08		 Sala Sismica INGV-Roma 73865861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-15 22:30:40 ± 0.08
Latitude 43.4262 ± 0.0045
Longitude 11.1652 ± 0.0173
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73865861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1457
Semi-minor axis of confidence ellipse (meter) 367
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 1460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36512
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 73865861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-15 22:40:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2019-11-15T22:32:16.20 3.0 undecidable manual Sg 3.04 0
IV.MTMR.HNZ. 2019-11-15T22:32:12.02 3.0 undecidable manual Sg 3.33 0
IV.PTRJ.HNZ. 2019-11-15T22:31:51.31 3.0 undecidable manual Sn -3.46 0
IV.TRIV.HHZ. 2019-11-15T22:31:44.95 3.0 undecidable manual Sg -2.13 0
IX.STN3.HNZ.01 2019-11-15T22:31:36.82 3.0 undecidable manual Pg 4.17 0
IX.STN3.HHZ.02 2019-11-15T22:31:32.18 3.0 undecidable manual Pn -0.47 0
IV.VCRE.HHZ. 2019-11-15T22:31:23.65 3.0 undecidable manual Pg 1.18 0
IV.MNTV.HNZ. 2019-11-15T22:31:23.57 3.0 undecidable manual Sg 2.1 0
IV.MCRV.HHZ. 2019-11-15T22:31:20.65 3.0 undecidable manual Pn -6.24 0
IV.PAOL.HHZ. 2019-11-15T22:31:14.75 3.0 undecidable manual Pn -5.88 0
IV.MF5.EHZ. 2019-11-15T22:31:02.46 3.0 undecidable manual S -9.24 0
IV.T0110.HHZ. 2019-11-15T22:30:59.75 3.0 undecidable manual Pn -2.65 0
IV.FROS.CHZ. 2019-11-15T22:30:49.31 0.3 undecidable manual S 182 24.0537 113 -0.06 74
IV.TRIF.CHZ. 2019-11-15T22:30:48.08 0.1 undecidable manual P 212 40.5261 50 -0.08 95
IV.CSP1.EHZ. 2019-11-15T22:30:46.10 3.0 positive manual P -3.06 0
IV.OSSC.HHZ. 2019-11-15T22:30:45.84 0.1 undecidable manual S 31 12.5763 128 -0.08 100
IV.FROS.CHZ. 2019-11-15T22:30:45.63 0.1 undecidable manual P 182 24.0537 113 0.07 98
IV.CSNT.HHZ. 2019-11-15T22:30:45.50 0.1 undecidable manual S 63 11.3775 131 -0.09 100
IV.CSNT.HHZ. 2019-11-15T22:30:43.52 0.1 positive manual P 63 11.3775 131 0.15 98
IV.OSSC.HHZ. 2019-11-15T22:30:43.63 0.1 positive manual P 31 12.5763 128 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSNT.HHE. ML:0.6 0.000050382135 0.0768 AML other m 2019-11-15T22:30:45.74
IV.CSNT.HHN. ML:0.6 0.000050023845 0.1536 AML other m 2019-11-15T22:30:45.65
IV.OSSC.HHE. ML:0.8 0.00006789948 0.3968 AML other m 2019-11-15T22:30:46.05
IV.OSSC.HHN. ML:0.6 0.000042999155 0.1792 AML other m 2019-11-15T22:30:46.12
IV.OSSC.HNE. ML:0.8 0.00007122840550000001 0.4352 AML other m 2019-11-15T22:30:46.25
IV.OSSC.HNN. ML:1.0 0.0000983963235 0.32 AML other m 2019-11-15T22:30:46.05
IV.FROS.CHE. ML:0.5 0.000019574945 0.32 AML other m 2019-11-15T22:30:49.40
IV.FROS.CHN. ML:0.9 0.000046025684999999994 0.7808 AML other m 2019-11-15T22:30:49.39
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