Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 03-11-2016 and time 11:48:03 (Italy) in region 3 km E Castelfiorentino (FI)

A magnitude ML 2.3 earthquake occured in region: 3 km E Castelfiorentino (FI), on

  • 03-11-2016 10:48:03 (UTC)
  • 03-11-2016 11:48:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6070, 11.0080 at 10 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
Castelfiorentino FI 3 17504 17504
Montespertoli FI 7 13537 31041
Certaldo FI 7 16121 47162
Gambassi Terme FI 9 4870 52032
Montaione FI 10 3700 55732
Empoli FI 14 48109 103841
Montelupo Fiorentino FI 14 14098 117939
Tavarnelle Val di Pesa FI 14 7800 125739
San Miniato PI 15 27934 153673
Barberino Val d'Elsa FI 15 4386 158059
Capraia e Limite FI 15 7670 165729
San Casciano in Val di Pesa FI 15 17062 182791
San Gimignano SI 16 7820 190611
Palaia PI 19 4612 195223
Poggibonsi SI 19 29196 224419
Lastra a Signa FI 20 20156 244575
Cerreto Guidi FI 20 10870 255445

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Scandicci (50609 inhabitants)
27 Km SW of Firenze (382808 inhabitants)
31 Km S of Prato (191150 inhabitants)
37 Km S of Pistoia (90315 inhabitants)
41 Km NW of Siena (53903 inhabitants)
49 Km SE of Lucca (89046 inhabitants)
50 Km E of Pisa (89158 inhabitants)
57 Km E of Livorno (159219 inhabitants)
67 Km E of Viareggio (62467 inhabitants)
72 Km W of Arezzo (99543 inhabitants)
84 Km SE of Massa (69479 inhabitants)
90 Km SE of Carrara (63133 inhabitants)
94 Km N of Grosseto (82087 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 2.3 2016-11-03
10:48:03		 43.6067 11.0078 10 2017-04-26
10:24:15		 Bollettino Sismico Italiano INGV 43791761
Reviewed
Rev100 		ML 2.3 2016-11-03
10:48:03		 43.6083 11.0103 10 2016-11-03
11:06:19		 Sala Sismica INGV-Roma 31774321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-11-03 10:48:03 ± 0.11
Latitude 43.6067 ± 0.0045
Longitude 11.0078 ± 0.0062
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 43791761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 504
Semi-minor axis of confidence ellipse (meter) 266
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.18976
Epicentral distance of station farthest from the epicenter (degree) 1.58550
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 43791761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-04-26 10:24:30

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 31774321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-11-03 11:06:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GORR.HHZ. 2016-11-03T10:48:31.81 0.3 undecidable manual P 310 175.9905 50 -0.34 49
GU.EQUI.HHZ. 2016-11-03T10:48:30.50 0.3 undecidable manual S 313 92.3409 50 -0.34 63
IV.MSSA.HHZ. 2016-11-03T10:48:27.35 0.3 undecidable manual P 304 142.6461 50 0.34 57
IV.SFI.EHZ. 2016-11-03T10:48:26.20 0.3 undecidable manual S 64 74.9694 50 0 70
IV.CRE.HHZ. 2016-11-03T10:48:26.10 0.3 undecidable manual S 89 75.8685 50 -0.34 65
GU.GRAM.HHZ. 2016-11-03T10:48:24.25 0.6 undecidable manual P 323 123.5874 50 0.18 41
IV.ASQU.HHZ. 2016-11-03T10:48:23.60 0.3 undecidable manual S 71 66.0894 50 -0.25 67
IV.ATVO.HHZ. 2016-11-03T10:48:23.81 0.3 undecidable manual P 102 115.2957 50 1.02 47
GU.CARD.HHZ. 2016-11-03T10:48:22.60 0.3 undecidable manual S 318 62.6928 50 -0.34 66
IV.SACS.HHZ. 2016-11-03T10:48:22.69 0.3 undecidable manual P 139 111.2997 50 0.52 58
IV.PLMA.HHZ. 2016-11-03T10:48:21.84 0.6 undecidable manual P 298 104.6175 50 0.69 37
GU.EQUI.HHZ. 2016-11-03T10:48:19.71 0.3 undecidable manual P 313 92.3409 50 0.46 61
GU.GSCL.HHZ. 2016-11-03T10:48:19.84 1.0 undecidable manual P 338 89.0442 50 1.09 16
GU.MAIM.HHZ. 2016-11-03T10:48:19.80 0.3 undecidable manual S 310 53.6019 50 -0.71 60
IV.CASP.HHZ. 2016-11-03T10:48:19.76 0.3 undecidable manual P 187 91.242 50 0.68 57
IV.MTCR.EHZ. 2016-11-03T10:48:18.50 0.3 undecidable manual S 359 46.7199 50 -0.17 71
IV.CAFI.HHZ. 2016-11-03T10:48:18.09 0.3 undecidable manual P 111 83.0502 50 0.26 65
IV.RUFI.EHZ. 2016-11-03T10:48:18.50 0.3 undecidable manual S 57 47.7189 50 -0.43 67
MN.VLC.HHZ. 2016-11-03T10:48:17.51 0.3 undecidable manual P 321 78.8655 50 0.33 65
IV.LMD.HHZ. 2016-11-03T10:48:17.25 0.3 undecidable manual P 47 76.5678 50 0.43 63
IV.FROS.HHZ. 2016-11-03T10:48:17.49 0.3 undecidable manual S 165 45.621 50 -0.89 56
IV.CRE.HHZ. 2016-11-03T10:48:17.03 0.3 undecidable manual P 89 75.8685 50 0.32 65
IV.SFI.EHZ. 2016-11-03T10:48:16.91 0.3 undecidable manual P 64 74.9694 50 0.34 65
IV.PII.HHZ. 2016-11-03T10:48:16.20 0.3 undecidable manual S 288 40.8258 50 -0.89 57
IV.MPPT.EHZ. 2016-11-03T10:48:16.40 0.3 undecidable manual S 10 39.4272 50 -0.34 69
Z3.A319A.HHE. 2016-11-03T10:48:15.60 0.3 undecidable manual S 247 37.4292 50 -0.58 65
IV.ASQU.HHZ. 2016-11-03T10:48:15.52 0.3 undecidable manual P 71 66.0894 50 0.31 67
IV.FNVD.HHZ. 2016-11-03T10:48:15.08 0.3 undecidable manual P 8 62.8926 50 0.36 66
IV.SEI.HHZ. 2016-11-03T10:48:14.10 0.3 undecidable manual P 29 56.9985 50 0.29 68
GU.CARD.HHZ. 2016-11-03T10:48:14.83 0.3 undecidable manual P 318 62.6928 50 0.14 69
IV.BDI.HHZ. 2016-11-03T10:48:14.50 0.3 undecidable manual P 327 60.3951 50 0.17 69
GU.POPM.HHZ. 2016-11-03T10:48:13.51 0.3 undecidable manual P 338 52.6029 50 0.38 67
IV.FIR.HNE. 2016-11-03T10:48:13.00 0.3 undecidable manual S 47 27.1506 109 -0.43 70
GU.MAIM.HHZ. 2016-11-03T10:48:13.36 0.1 undecidable manual P 310 53.6019 50 0.08 95
IV.RUFI.EHZ. 2016-11-03T10:48:12.48 0.1 positive manual P 57 47.7189 50 0.1 96
IV.CSNT.HHZ. 2016-11-03T10:48:12.60 0.3 undecidable manual S 123 27.1506 110 -0.8 61
IV.MTCR.EHZ. 2016-11-03T10:48:12.30 0.3 undecidable manual P 359 46.7199 50 0.08 72
IV.FROS.HHZ. 2016-11-03T10:48:12.08 0.1 negative manual P 165 45.621 50 0.02 98
IV.PII.HHZ. 2016-11-03T10:48:11.41 0.1 negative manual P 288 40.8258 50 0.1 97
IV.CRMI.HHZ. 2016-11-03T10:48:11.20 0.3 undecidable manual S 354 21.0678 115 -0.26 73
IV.MPPT.EHZ. 2016-11-03T10:48:11.05 0.1 positive manual P 10 39.4272 50 -0.05 98
Z3.A319A.HHE. 2016-11-03T10:48:10.96 0.3 undecidable manual P 247 37.4292 50 0.17 72
IV.FIR.HNE. 2016-11-03T10:48:09.02 0.3 undecidable manual P 47 27.1506 109 -0.18 73
IV.CSNT.HHZ. 2016-11-03T10:48:08.83 0.1 undecidable manual P 123 27.1506 110 -0.35 94
IV.CRMI.HHZ. 2016-11-03T10:48:08.18 0.1 positive manual P 354 21.0678 115 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHE. ML:2.4 0.0004355 1.7 AML other m 2016-11-03T10:48:24.07
IV.ASQU.HHN. ML:2.4 0.0004385 0.44 AML other m 2016-11-03T10:48:28.54
IV.ATVO.HHN. ML:2.1 0.0001001 0.5 AML other m 2016-11-03T10:48:45.65
IV.ATVO.HHE. ML:2.2 0.00013350000000000002 0.4 AML other m 2016-11-03T10:48:45.50
IV.BDI.HHN. ML:2.0 0.0002305 0.24 AML other m 2016-11-03T10:48:28.45
IV.BDI.HHE. ML:2.0 0.000186 0.18 AML other m 2016-11-03T10:48:24.90
IV.CAFI.HHE. ML:1.9 0.00009425 0.54 AML other m 2016-11-03T10:48:31.47
IV.CAFI.HHN. ML:1.9 0.0000981 0.72 AML other m 2016-11-03T10:48:37.62
GU.CARD.HHN. ML:2.4 0.000491 0.72 AML other m 2016-11-03T10:48:24.84
GU.CARD.HHE. ML:2.5 0.000661 0.38 AML other m 2016-11-03T10:48:24.66
IV.CASP.HHN. ML:2.4 0.000263 0.46 AML other m 2016-11-03T10:48:34.35
IV.CASP.HHE. ML:2.5 0.00033850000000000004 1.52 AML other m 2016-11-03T10:48:33.97
IV.CELB.HHE. ML:2.3 0.0001585 0.92 AML other m 2016-11-03T10:48:40.59
IV.CELB.HHN. ML:2.2 0.00013000000000000002 0.5 AML other m 2016-11-03T10:48:40.47
IV.CRE.HHN. ML:2.2 0.000263 0.32 AML other m 2016-11-03T10:48:32.10
IV.CRE.HHE. ML:2.4 0.0003615 1.58 AML other m 2016-11-03T10:48:27.12
IV.CRMI.HHE. ML:1.8 0.000504 1.2 AML other m 2016-11-03T10:48:11.73
IV.CRMI.HHN. ML:1.6 0.0003175 0.54 AML other m 2016-11-03T10:48:11.61
IV.CSNT.HHN. ML:2.3 0.001037 0.64 AML other m 2016-11-03T10:48:13.76
IV.CSNT.HHE. ML:2.2 0.0009390000000000001 0.56 AML other m 2016-11-03T10:48:16.13
GU.EQUI.HHN. ML:2.3 0.000214 1.66 AML other m 2016-11-03T10:48:35.98
GU.EQUI.HHE. ML:2.2 0.000183 0.72 AML other m 2016-11-03T10:48:34.47
IV.FNVD.HHN. ML:2.5 0.0005809999999999999 0.32 AML other m 2016-11-03T10:48:28.13
IV.FNVD.HHE. ML:2.2 0.00031 1.48 AML other m 2016-11-03T10:48:34.86
IV.FROS.HHE. ML:3.0 0.002835 0.22 AML other m 2016-11-03T10:48:17.87
IV.FROS.HHN. ML:2.8 0.001835 0.68 AML other m 2016-11-03T10:48:18.59
GU.GORR.HHE. ML:2.3 0.00007135 0.54 AML other m 2016-11-03T10:49:02.56
GU.GORR.HHN. ML:2.3 0.0000823 0.92 AML other m 2016-11-03T10:49:06.96
GU.GRAM.HHE. ML:2.7 0.00034250000000000003 0.3 AML other m 2016-11-03T10:48:44.52
GU.GRAM.HHN. ML:2.5 0.0002195 1.02 AML other m 2016-11-03T10:48:44.95
GU.GSCL.HHE. ML:2.4 0.000294 0.98 AML other m 2016-11-03T10:48:33.76
GU.GSCL.HHN. ML:2.5 0.000341 1.58 AML other m 2016-11-03T10:48:32.10
IV.LMD.HHN. ML:2.1 0.000175 1.06 AML other m 2016-11-03T10:48:31.16
IV.LMD.HHE. ML:2.0 0.000147 0.34 AML other m 2016-11-03T10:48:32.44
GU.MAIM.HHE. ML:2.1 0.00031800000000000003 0.66 AML other m 2016-11-03T10:48:21.51
GU.MAIM.HHN. ML:2.2 0.00037 0.14 AML other m 2016-11-03T10:48:21.74
IV.MPPT.EHN. ML:2.3 0.000719 0.8 AML other m 2016-11-03T10:48:17.61
IV.MPPT.EHE. ML:2.4 0.000864 0.48 AML other m 2016-11-03T10:48:17.69
IV.MTCR.EHE. ML:2.4 0.000668 0.32 AML other m 2016-11-03T10:48:18.78
IV.MTCR.EHN. ML:2.2 0.0005425 0.62 AML other m 2016-11-03T10:48:22.81
IV.OSSC.HHN. ML:2.4 0.001915 0.46 AML other m 2016-11-03T10:48:09.62
IV.OSSC.HNN. ML:2.5 0.00214 0.58 AML other m 2016-11-03T10:48:09.39
IV.OSSC.HHE. ML:2.5 0.0020999999999999994 0.58 AML other m 2016-11-03T10:48:09.39
IV.OSSC.HNE. ML:2.4 0.001945 0.44 AML other m 2016-11-03T10:48:09.84
IV.PII.HHE. ML:2.9 0.00256 0.2 AML other m 2016-11-03T10:48:17.50
IV.PII.HHN. ML:2.8 0.002075 0.88 AML other m 2016-11-03T10:48:16.49
IV.SFI.EHN. ML:2.3 0.0002725 1.4 AML other m 2016-11-03T10:48:31.86
IV.SFI.EHE. ML:2.3 0.0003275 0.48 AML other m 2016-11-03T10:48:27.71
IV.TRIF.HHN. ML:2.5 0.0008169999999999999 1.26 AML other m 2016-11-03T10:48:21.94
IV.TRIF.HHE. ML:2.7 0.0012900000000000001 0.86 AML other m 2016-11-03T10:48:22.74
MN.VLC.HHN. ML:2.0 0.000153 1.22 AML other m 2016-11-03T10:48:31.14
MN.VLC.HNN. ML:2.1 0.00018449999999999999 1.22 AML other m 2016-11-03T10:48:31.14
MN.VLC.HNE. ML:2.1 0.0001955 0.88 AML other m 2016-11-03T10:48:30.12
MN.VLC.HHE. ML:2.1 0.000194 0.9 AML other m 2016-11-03T10:48:30.11
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