Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 19-12-2014 and time 09:30:55 (Italy) in region 6 km W Greve in Chianti (FI)

A magnitude ML 2.4 earthquake occured in region: 6 km W Greve in Chianti (FI), on

  • 19-12-2014 08:30:55 (UTC)
  • 19-12-2014 09:30:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6050, 11.2480 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
Greve in Chianti FI 6 13862 13862
San Casciano in Val di Pesa FI 8 17062 30924
Tavarnelle Val di Pesa FI 8 7800 38724
Impruneta FI 9 14615 53339
Barberino Val d'Elsa FI 9 4386 57725
Montespertoli FI 15 13537 71262
Castellina in Chianti SI 15 2859 74121
Radda in Chianti SI 17 1613 75734
Poggibonsi SI 17 29196 104930
Bagno a Ripoli FI 17 25611 130541
Figline e Incisa Valdarno FI 18 23505 154046
Certaldo FI 18 16121 170167
Scandicci FI 18 50609 220776
Firenze FI 18 382808 603584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SE of Scandicci (50609 inhabitants)
18 Km S of Firenze (382808 inhabitants)
33 Km N of Siena (53903 inhabitants)
33 Km SE of Prato (191150 inhabitants)
45 Km SE of Pistoia (90315 inhabitants)
53 Km W of Arezzo (99543 inhabitants)
66 Km E of Lucca (89046 inhabitants)
69 Km E of Pisa (89158 inhabitants)
76 Km E of Livorno (159219 inhabitants)
85 Km E of Viareggio (62467 inhabitants)
91 Km SW of Faenza (58541 inhabitants)
91 Km SW of Imola (69797 inhabitants)
94 Km SW of Forlì (117913 inhabitants)
95 Km N of Grosseto (82087 inhabitants)
99 Km S of Bologna (386663 inhabitants)
99 Km SW of Cesena (96758 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 2.4 2014-12-19
08:30:55		 43.6053 11.2482 8 2015-01-09
10:55:56		 Bollettino Sismico Italiano INGV 15659201
Reviewed
Rev100 		ML 2.3 2014-12-19
08:30:55		 43.614 11.2623 6 2014-12-19
08:46:30		 Sala Sismica INGV-Roma 14995001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-12-19 08:30:55 ± 0.06
Latitude 43.6053 ± 0.0036
Longitude 11.2482 ± 0.0050
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 15659201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 342
Semi-minor axis of confidence ellipse (meter) 282
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
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) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 1.09897
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 15659201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-01-08 00:27:06

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 14995001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-12-19 08:46:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CASP.HHZ. 2014-12-19T08:31:24.15 0.3 undecidable manual S 199 95.5377 50 -0.51 59
IV.PARC.HHZ. 2014-12-19T08:31:20.66 0.3 undecidable manual S 86 79.6647 50 0.23 65
IV.LMD.HHZ. 2014-12-19T08:31:16.58 0.6 undecidable manual S 35 63.9915 50 0.34 44
GU.POPM.HHZ. 2014-12-19T08:31:16.39 0.6 undecidable manual S 321 62.5929 50 0.51 42
IV.FNVD.HHZ. 2014-12-19T08:31:16.68 0.6 undecidable manual S 351 63.1923 50 0.65 40
IV.PLMA.HHZ. 2014-12-19T08:31:16.92 0.1 negative manual P 294 121.989 50 0.3 78
IV.PIEI.HHZ. 2014-12-19T08:31:14.07 0.6 undecidable manual P 94 103.7184 50 0.27 41
IV.CRE.HHZ. 2014-12-19T08:31:14.14 0.6 undecidable manual S 88 56.499 50 -0.11 46
IV.SFI.EHZ. 2014-12-19T08:31:14.41 0.3 undecidable manual S 55 58.3971 50 -0.33 66
IV.ATVO.HHZ. 2014-12-19T08:31:13.20 0.1 undecidable manual P 104 96.4257 50 0.51 79
IV.PII.HHZ. 2014-12-19T08:31:13.97 0.6 undecidable manual S 283 59.496 50 -1.06 33
IV.CASP.HHZ. 2014-12-19T08:31:12.78 0.3 undecidable manual P 199 95.5377 50 0.24 63
MN.VLC.HHZ. 2014-12-19T08:31:12.39 0.3 undecidable manual P 312 92.3409 50 0.34 62
IV.MTCR.EHZ. 2014-12-19T08:31:12.53 0.6 undecidable manual S 337 50.8158 50 -0.2 46
IV.ASQU.HHZ. 2014-12-19T08:31:11.75 0.3 undecidable manual S 64 48.3183 50 -0.31 68
IV.PTF.SHZ. 2014-12-19T08:31:10.16 0.6 undecidable manual S 340 41.9247 50 -0.19 47
IV.PARC.HHZ. 2014-12-19T08:31:10.59 0.3 undecidable manual P 86 79.6647 50 0.49 61
IV.ARCI.HHZ. 2014-12-19T08:31:10.90 0.1 positive manual P 168 85.5477 50 -0.11 88
GU.MAIM.HHZ. 2014-12-19T08:31:08.74 0.1 undecidable manual P 300 69.6747 50 0.19 89
GU.POPM.HHZ. 2014-12-19T08:31:07.87 0.6 undecidable manual P 321 62.5929 50 0.4 43
IV.FNVD.HHZ. 2014-12-19T08:31:07.68 0.3 undecidable manual P 351 63.1923 50 0.12 69
IV.CAFI.HHZ. 2014-12-19T08:31:07.90 0.1 positive manual P 118 65.3901 50 0 93
IV.RUFI.EHZ. 2014-12-19T08:31:07.18 0.6 undecidable manual S 39 33.2445 103 -0.65 42
IV.LMD.HHZ. 2014-12-19T08:31:07.78 0.1 undecidable manual P 35 63.9915 50 0.1 92
IV.PII.HHZ. 2014-12-19T08:31:06.99 0.1 positive manual P 283 59.496 50 0.01 94
IV.SFI.EHZ. 2014-12-19T08:31:06.69 0.3 undecidable manual P 55 58.3971 50 -0.12 69
IV.CRMI.HHZ. 2014-12-19T08:31:06.51 0.6 undecidable manual S 314 30.1476 105 -0.29 47
IV.CRE.HHZ. 2014-12-19T08:31:06.32 0.3 undecidable manual P 88 56.499 50 -0.21 68
IV.MTCR.EHZ. 2014-12-19T08:31:05.32 0.1 undecidable manual P 337 50.8158 50 -0.33 89
IV.ASQU.HHZ. 2014-12-19T08:31:05.21 0.1 undecidable manual P 64 48.3183 50 -0.05 95
IV.PTF.SHZ. 2014-12-19T08:31:03.87 0.1 undecidable manual P 340 41.9247 50 -0.41 89
IV.FIR.HHZ. 2014-12-19T08:31:03.40 0.6 undecidable manual S 2 18.7701 113 0.36 47
IV.RUFI.EHZ. 2014-12-19T08:31:02.58 0.1 positive manual P 39 33.2445 103 -0.25 94
IV.CRMI.HHZ. 2014-12-19T08:31:02.21 0.1 undecidable manual P 314 30.1476 105 -0.02 99
IV.CSNT.HHZ. 2014-12-19T08:31:01.69 0.6 undecidable manual S 167 15.0738 117 -0.18 49
IV.FIR.HHZ. 2014-12-19T08:31:00.16 0.3 undecidable manual P 2 18.7701 113 0.1 74
IV.OSSC.HHZ. 2014-12-19T08:31:00.27 0.6 undecidable manual S 181 9.0798 131 0.13 50
IV.CSNT.HHZ. 2014-12-19T08:30:59.28 0.1 positive manual P 167 15.0738 117 -0.1 100
IV.OSSC.HHZ. 2014-12-19T08:30:58.55 0.1 positive manual P 181 9.0798 131 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARCI.HHN. ML:2.1 0.00015 0.28 AML other m 2014-12-19T08:31:24.15
IV.ARCI.HHE. ML:1.9 0.00010245 1.08 AML other m 2014-12-19T08:31:24.57
IV.ASQU.HHN. ML:2.7 0.0015249999999999999 0.86 AML other m 2014-12-19T08:31:12.03
IV.ASQU.HHE. ML:2.9 0.002255 0.66 AML other m 2014-12-19T08:31:12.02
IV.ATVO.HHE. ML:2.3 0.0001895 0.48 AML other m 2014-12-19T08:31:28.82
IV.ATVO.HHN. ML:2.0 0.00011549999999999999 0.84 AML other m 2014-12-19T08:31:31.07
IV.CAFI.HHN. ML:2.0 0.0002055 0.8 AML other m 2014-12-19T08:31:16.56
IV.CAFI.HHE. ML:2.0 0.00019649999999999998 0.34 AML other m 2014-12-19T08:31:18.62
IV.CASP.HHN. ML:2.0 0.00010045 0.94 AML other m 2014-12-19T08:31:25.55
IV.CASP.HHE. ML:2.2 0.00016450000000000001 0.62 AML other m 2014-12-19T08:31:26.35
IV.CRE.HHE. ML:2.1 0.00029400000000000004 0.62 AML other m 2014-12-19T08:31:14.74
IV.CRE.HHN. ML:2.3 0.00046550000000000004 1.22 AML other m 2014-12-19T08:31:14.78
IV.CRMI.HNN. ML:2.5 0.001605 0.38 AML other m 2014-12-19T08:31:07.34
IV.CRMI.HHN. ML:2.1 0.0006559999999999999 0.38 AML other m 2014-12-19T08:31:07.15
IV.CRMI.HHE. ML:2.1 0.000675 0.56 AML other m 2014-12-19T08:31:07.60
IV.CRMI.HNE. ML:2.5 0.001605 0.54 AML other m 2014-12-19T08:31:07.33
IV.CSNT.HHN. ML:2.6 0.0040950000000000005 0.18 AML other m 2014-12-19T08:31:02.09
IV.CSNT.HHE. ML:2.5 0.003605 0.5 AML other m 2014-12-19T08:31:02.07
IV.FNVD.HHE. ML:2.4 0.00045850000000000003 0.52 AML other m 2014-12-19T08:31:19.91
IV.FNVD.HHN. ML:2.5 0.0005629999999999999 1.04 AML other m 2014-12-19T08:31:20.45
IV.LMD.HHN. ML:2.7 0.0009985 0.2 AML other m 2014-12-19T08:31:16.90
IV.LMD.HHE. ML:2.6 0.0008105 0.24 AML other m 2014-12-19T08:31:16.80
GU.MAIM.HHN. ML:2.0 0.000184 0.32 AML other m 2014-12-19T08:31:20.35
GU.MAIM.HHE. ML:2.1 0.000217 0.54 AML other m 2014-12-19T08:31:20.75
IV.OSSC.HHE. ML:2.7 0.00877 0.16 AML other m 2014-12-19T08:31:00.44
IV.OSSC.HNN. ML:2.7 0.008615 0.42 AML other m 2014-12-19T08:31:00.44
IV.OSSC.HHN. ML:2.8 0.011085000000000001 0.2 AML other m 2014-12-19T08:31:00.39
IV.OSSC.HNE. ML:2.8 0.01115 0.18 AML other m 2014-12-19T08:31:00.40
IV.PARC.HHE. ML:1.9 0.00011545 0.46 AML other m 2014-12-19T08:31:21.35
IV.PARC.HHN. ML:2.1 0.0001685 0.44 AML other m 2014-12-19T08:31:23.59
IV.PII.HHN. ML:2.4 0.0005369999999999999 0.38 AML other m 2014-12-19T08:31:17.34
IV.PII.HHE. ML:2.6 0.0008645 0.3 AML other m 2014-12-19T08:31:17.07
IV.PLMA.HHE. ML:1.9 0.000055350000000000004 0.76 AML other m 2014-12-19T08:31:32.69
IV.PLMA.HHN. ML:2.0 0.00006429999999999999 1.16 AML other m 2014-12-19T08:31:36.99
GU.POPM.HHN. ML:2.5 0.0006605000000000001 0.68 AML other m 2014-12-19T08:31:17.85
GU.POPM.HHE. ML:2.4 0.000593 0.24 AML other m 2014-12-19T08:31:17.38
IV.RUFI.EHN. ML:2.7 0.002045 0.18 AML other m 2014-12-19T08:31:07.75
IV.RUFI.EHE. ML:3.0 0.00429 0.26 AML other m 2014-12-19T08:31:07.89
IV.SFI.EHE. ML:2.9 0.00173 0.48 AML other m 2014-12-19T08:31:15.16
IV.SFI.EHN. ML:2.6 0.000861 1.08 AML other m 2014-12-19T08:31:15.44
MN.VLC.HHN. ML:2.4 0.0002715 1.18 AML other m 2014-12-19T08:31:25.53
MN.VLC.HNN. ML:2.4 0.0002795 1.16 AML other m 2014-12-19T08:31:25.54
MN.VLC.HHE. ML:2.1 0.00013849999999999998 0.62 AML other m 2014-12-19T08:31:25.85
MN.VLC.HNE. ML:2.1 0.000148 0.6 AML other m 2014-12-19T08:31:25.85
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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