Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 11-12-2019 and time 21:19:25 (UTC) in region 5 km NW Scarperia e San Piero (FI)

A magnitude ML 2.4 earthquake occured in region: 5 km NW Scarperia e San Piero (FI), on

  • 11-12-2019 21:19:25 (UTC)
  • 11-12-2019 22:19:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0040, 11.3030 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Scarperia e San Piero FI 5 12217 12217
Barberino di Mugello FI 5 10836 23053
Borgo San Lorenzo FI 9 18211 41264
Vaglia FI 11 5073 46337
Vernio PO 13 6060 52397
Firenzuola FI 14 4726 57123
Vaiano PO 15 9895 67018
Vicchio FI 15 8044 75062
Cantagallo PO 16 3105 78167
Calenzano FI 19 17489 95656
Castiglione dei Pepoli BO 20 5648 101304

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Prato (191150 inhabitants)
26 Km N of Firenze (382808 inhabitants)
29 Km NE of Scandicci (50609 inhabitants)
32 Km E of Pistoia (90315 inhabitants)
51 Km SW of Imola (69797 inhabitants)
55 Km S of Bologna (386663 inhabitants)
56 Km SW of Faenza (58541 inhabitants)
64 Km W of Forlì (117913 inhabitants)
67 Km E of Lucca (89046 inhabitants)
76 Km NW of Arezzo (99543 inhabitants)
76 Km N of Siena (53903 inhabitants)
77 Km W of Cesena (96758 inhabitants)
78 Km SE of Modena (184973 inhabitants)
79 Km E of Pisa (89158 inhabitants)
85 Km SW of Ravenna (159116 inhabitants)
86 Km E of Viareggio (62467 inhabitants)
93 Km SE of Carpi (70699 inhabitants)
93 Km E of Massa (69479 inhabitants)
94 Km SE of Reggio nell'Emilia (171345 inhabitants)
94 Km NE of Livorno (159219 inhabitants)
96 Km S of Ferrara (133155 inhabitants)
97 Km E of Carrara (63133 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 2019-12-11
21:19:25		 44.0035 11.3032 9 2020-02-28
16:42:19		 Bollettino Sismico Italiano INGV 75518881
Reviewed
Rev100 		ML 2.3 2019-12-11
21:19:25		 44.0082 11.3047 10 2019-12-11
21:27:13		 Sala Sismica INGV-Roma 74561751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-11 21:19:25 ± 0.04
Latitude 44.0035 ± 0.0027
Longitude 11.3032 ± 0.0038
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75518881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 284
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.01084
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 55
Type of magnitude ML
Reference to an origin 75518881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-13 17:46:06

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 46
Type of magnitude ML
Reference to an origin 74561751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-11 21:27:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VENL.HNZ. 2019-12-11T21:20:13.06 3.0 undecidable manual Sn -2.45 0
IV.CSP1.EHZ. 2019-12-11T21:19:55.76 3.0 negative manual Pn 1.59 0
GU.GRAM.HHZ. 2019-12-11T21:19:44.90 0.3 undecidable manual P 299 112.1988 50 0.45 57
IV.CSNT.HHZ. 2019-12-11T21:19:43.73 0.6 undecidable manual S 181 58.7967 50 -0.33 43
IV.BDI.HHZ. 2019-12-11T21:19:43.31 0.3 undecidable manual S 277 56.7987 50 -0.2 67
IV.OSSC.HHZ. 2019-12-11T21:19:42.76 0.6 undecidable manual S 185 53.4021 50 0.14 45
IV.ASQU.HHZ. 2019-12-11T21:19:40.57 0.6 undecidable manual S 120 45.1215 50 0.18 46
GU.POPM.HHZ. 2019-12-11T21:19:40.06 0.3 undecidable manual S 276 43.8228 50 0.02 71
IV.SFI.EHZ. 2019-12-11T21:19:40.24 0.3 undecidable manual S 104 44.8218 50 -0.06 70
IV.BRIS.HHZ. 2019-12-11T21:19:40.60 0.3 undecidable manual S 56 44.3223 50 0.43 65
IV.SSP9.EHZ. 2019-12-11T21:19:39.87 0.6 undecidable manual P 125 81.6516 50 0.13 43
GU.GSCL.HHZ. 2019-12-11T21:19:38.08 0.1 undecidable manual P 304 68.6757 50 0.34 85
IV.PII.HHZ. 2019-12-11T21:19:37.81 0.1 undecidable manual P 244 69.6747 50 -0.07 89
IV.CRE.HHZ. 2019-12-11T21:19:37.71 0.1 undecidable manual P 129 67.1772 50 0.21 87
IV.LMD.HHZ. 2019-12-11T21:19:36.96 0.3 undecidable manual S 76 33.2445 50 -0.26 69
IV.CSNT.HHZ. 2019-12-11T21:19:36.19 0.1 undecidable manual P 181 58.7967 50 -0.03 92
IV.BDI.HHZ. 2019-12-11T21:19:35.60 0.1 undecidable manual P 277 56.7987 50 -0.3 87
IV.IMOL.EHZ. 2019-12-11T21:19:35.55 0.6 undecidable manual P 41 52.7028 50 0.27 44
IV.FIR.HHZ. 2019-12-11T21:19:35.25 0.6 undecidable manual S 189 25.752 110 0.25 47
IV.OSSC.HHZ. 2019-12-11T21:19:35.28 0.3 undecidable manual P 185 53.4021 50 -0.1 69
IV.VISG.HHZ. 2019-12-11T21:19:34.11 0.3 undecidable manual S 27 23.0547 112 -0.04 73
IV.ZCCA.HNZ. 2019-12-11T21:19:34.80 0.6 undecidable manual P 326 46.5201 50 0.49 43
IV.RUFI.EHZ. 2019-12-11T21:19:34.22 0.3 undecidable manual S 138 24.6531 111 -0.44 67
IV.SFI.EHZ. 2019-12-11T21:19:33.76 0.3 undecidable manual P 104 44.8218 50 -0.29 67
IV.MTRZ.HHZ. 2019-12-11T21:19:33.07 0.1 undecidable manual P 16 35.6421 50 0.43 88
IV.BRIS.HHZ. 2019-12-11T21:19:33.93 0.3 undecidable manual P 56 44.3223 50 -0.05 71
IV.ASQU.HHZ. 2019-12-11T21:19:33.93 0.1 undecidable manual P 120 45.1215 50 -0.17 92
GU.POPM.HHZ. 2019-12-11T21:19:33.60 0.3 undecidable manual P 276 43.8228 50 -0.3 67
IT.FIE.HGZ. 2019-12-11T21:19:33.79 0.3 undecidable manual S 182 21.7671 113 0.05 73
IV.FNVD.HHZ. 2019-12-11T21:19:33.71 0.3 undecidable manual S 322 23.2545 112 -0.48 67
IV.MPPT.EHZ. 2019-12-11T21:19:32.46 0.6 undecidable manual S 253 17.7711 118 -0.01 50
IV.RINC.HHZ. 2019-12-11T21:19:31.15 0.1 undecidable manual P 118 27.5502 109 -0.18 94
IV.FIR.HHZ. 2019-12-11T21:19:31.14 0.1 undecidable manual P 189 25.752 110 0.15 95
IV.LMD.HHZ. 2019-12-11T21:19:31.80 0.3 undecidable manual P 76 33.2445 50 -0.48 66
IV.MOCL.EHZ. 2019-12-11T21:19:30.19 0.3 undecidable manual S 271 9.7791 134 -0.01 76
IT.FIE.HGZ. 2019-12-11T21:19:30.29 0.1 undecidable manual P 182 21.7671 113 0.03 98
IV.FNVD.HHZ. 2019-12-11T21:19:30.37 0.1 positive manual P 322 23.2545 112 -0.15 96
IV.RONT.HHZ. 2019-12-11T21:19:30.82 0.3 undecidable manual S 96 10.3785 132 0.46 69
IV.VISG.HHZ. 2019-12-11T21:19:30.42 0.1 positive manual P 27 23.0547 112 -0.07 97
IV.RUFI.EHZ. 2019-12-11T21:19:30.74 0.1 undecidable manual P 138 24.6531 111 -0.05 97
IV.MPPT.EHZ. 2019-12-11T21:19:29.71 0.1 positive manual P 253 17.7711 118 0.19 96
IV.SEI.HHZ. 2019-12-11T21:19:29.31 0.3 undecidable manual S 38 7.1928 143 -0.28 72
IV.MOCL.EHZ. 2019-12-11T21:19:28.41 0.1 undecidable manual P 271 9.7791 134 0.19 97
IV.RONT.HHZ. 2019-12-11T21:19:28.62 0.1 positive manual P 96 10.3785 132 0.31 95
IV.SEI.HHZ. 2019-12-11T21:19:27.80 0.1 undecidable manual P 38 7.1928 143 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:3.3 0.02925 0.3 AML other m 2019-12-11T21:19:29.48
IV.SEI.HHN. ML:3.4 0.04305 0.32 AML other m 2019-12-11T21:19:29.50
IV.MOCL.EHN. ML:2.7 0.00717 0.38 AML other m 2019-12-11T21:19:30.50
IV.MOCL.EHE. ML:2.4 0.00379 0.2 AML other m 2019-12-11T21:19:30.68
IV.RONT.HHN. ML:3.2 0.021049999999999996 0.18 AML other m 2019-12-11T21:19:31.16
IV.RONT.HHE. ML:3.1 0.0159 1.02 AML other m 2019-12-11T21:19:32.99
IV.MPPT.EHE. ML:2.4 0.0019249999999999998 1.2 AML other m 2019-12-11T21:19:33.22
IV.MPPT.EHN. ML:2.5 0.0024699999999999995 0.5 AML other m 2019-12-11T21:19:33.89
IV.RUFI.EHE. ML:2.1 0.0008345000000000001 0.62 AML other m 2019-12-11T21:19:34.76
IV.VISG.HHN. ML:2.6 0.002835 0.2 AML other m 2019-12-11T21:19:34.86
IV.FNVD.HHE. ML:2.4 0.001625 0.38 AML other m 2019-12-11T21:19:35.25
IV.FIR.HHE. ML:2.7 0.003115 0.54 AML other m 2019-12-11T21:19:35.61
IV.FIR.HNE. ML:2.7 0.003175 0.58 AML other m 2019-12-11T21:19:35.60
IV.FIR.HNN. ML:2.8 0.0035700000000000003 0.2 AML other m 2019-12-11T21:19:36.01
IV.FIR.HHN. ML:2.8 0.0035099999999999997 0.2 AML other m 2019-12-11T21:19:36.01
IV.VISG.HHE. ML:2.4 0.001625 0.42 AML other m 2019-12-11T21:19:36.63
IV.FNVD.HHN. ML:2.4 0.0017999999999999997 1.24 AML other m 2019-12-11T21:19:37.67
IV.LMD.HHN. ML:2.4 0.0011745000000000002 0.24 AML other m 2019-12-11T21:19:37.06
IV.RUFI.EHN. ML:2.0 0.0006365 0.5 AML other m 2019-12-11T21:19:37.47
IV.LMD.HHE. ML:2.3 0.0008865 1.36 AML other m 2019-12-11T21:19:38.13
IV.RINC.HHE. ML:2.2 0.000808 0.74 AML other m 2019-12-11T21:19:40.79
GU.POPM.HHN. ML:2.5 0.001023 0.26 AML other m 2019-12-11T21:19:41.20
IV.SFI.EHN. ML:2.2 0.000447 0.36 AML other m 2019-12-11T21:19:41.04
IV.SFI.HNN. ML:2.2 0.00047099999999999996 0.36 AML other m 2019-12-11T21:19:41.04
IV.SFI.EHE. ML:2.1 0.0004005 0.92 AML other m 2019-12-11T21:19:41.24
IV.ASQU.HHE. ML:2.0 0.0003005 1.02 AML other m 2019-12-11T21:19:41.30
IV.ASQU.HHN. ML:2.1 0.00034199999999999996 1.04 AML other m 2019-12-11T21:19:41.31
GU.POPM.HHE. ML:2.4 0.0007084999999999999 1.16 AML other m 2019-12-11T21:19:41.58
IV.BRIS.HHN. ML:2.6 0.00124 0.28 AML other m 2019-12-11T21:19:41.58
IV.MTRZ.HNE. ML:2.3 0.0008265 0.58 AML other m 2019-12-11T21:19:41.65
IV.BRIS.HHE. ML:2.4 0.000801 0.26 AML other m 2019-12-11T21:19:41.57
IV.MTRZ.HNN. ML:2.3 0.000887 0.5 AML other m 2019-12-11T21:19:41.68
IV.MTRZ.HHN. ML:2.3 0.0008655 0.5 AML other m 2019-12-11T21:19:41.68
IV.SFI.HNE. ML:2.2 0.0004235 0.82 AML other m 2019-12-11T21:19:43.89
IV.OSSC.HNN. ML:2.5 0.0008185 1.78 AML other m 2019-12-11T21:19:43.98
IV.OSSC.HHE. ML:2.5 0.0007894999999999999 1.78 AML other m 2019-12-11T21:19:44.09
IV.OSSC.HNE. ML:2.4 0.0006100000000000001 0.18 AML other m 2019-12-11T21:19:44.27
IV.OSSC.HHN. ML:2.4 0.00063 0.18 AML other m 2019-12-11T21:19:44.36
IV.RINC.HHN. ML:2.3 0.0011149999999999999 0.76 AML other m 2019-12-11T21:19:44.66
IV.MTRZ.HHE. ML:2.3 0.0008449999999999999 0.4 AML other m 2019-12-11T21:19:44.29
IV.BDI.HHN. ML:2.4 0.0006095 0.66 AML other m 2019-12-11T21:19:45.46
IV.BDI.HNN. ML:2.4 0.000616 0.48 AML other m 2019-12-11T21:19:45.48
IV.CSNT.HHE. ML:2.4 0.0005214999999999999 0.42 AML other m 2019-12-11T21:19:45.51
IV.BDI.HHE. ML:2.3 0.00046699999999999997 0.54 AML other m 2019-12-11T21:19:46.86
IV.BDI.HNE. ML:2.3 0.000446 0.92 AML other m 2019-12-11T21:19:46.13
GU.GSCL.HHE. ML:2.3 0.0003205 0.3 AML other m 2019-12-11T21:19:48.69
IV.CSNT.HHN. ML:2.4 0.0006425000000000001 0.64 AML other m 2019-12-11T21:19:48.59
GU.GSCL.HHN. ML:2.3 0.0003685 0.3 AML other m 2019-12-11T21:19:48.67
IV.PII.HHE. ML:2.5 0.000499 0.72 AML other m 2019-12-11T21:19:49.85
IV.CRE.HHN. ML:2.2 0.0002985 0.3 AML other m 2019-12-11T21:19:51.75
IV.CRE.HHE. ML:2.1 0.0002405 0.9 AML other m 2019-12-11T21:19:52.65
IV.PII.HHN. ML:2.5 0.0004795 1.12 AML other m 2019-12-11T21:19:53.36
GU.GRAM.HHE. ML:2.6 0.000338 1.68 AML other m 2019-12-11T21:20:02.14
GU.GRAM.HHN. ML:2.3 0.0001715 0.36 AML other m 2019-12-11T21:20:02.40
IV.ATMI.HHN. ML:2.5 0.000255 1.4 AML other m 2019-12-11T21:20:08.89
IV.ATMI.HHE. ML:2.3 0.0001795 0.46 AML other m 2019-12-11T21:20:09.73
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