Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 09-12-2019 and time 15:21:35 (UTC) in region 4 km E Barberino di Mugello (FI)

A magnitude ML 2.3 earthquake occured in region: 4 km E Barberino di Mugello (FI), on

  • 09-12-2019 15:21:35 (UTC)
  • 09-12-2019 16:21:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0140, 11.2900 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
Barberino di Mugello FI 4 10836 10836
Scarperia e San Piero FI 6 12217 23053
Borgo San Lorenzo FI 10 18211 41264
Vernio PO 12 6060 47324
Vaglia FI 12 5073 52397
Firenzuola FI 14 4726 57123
Vaiano PO 14 9895 67018
Cantagallo PO 15 3105 70123
Vicchio FI 17 8044 78167
Castiglione dei Pepoli BO 18 5648 83815
Calenzano FI 19 17489 101304

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Prato (191150 inhabitants)
27 Km N of Firenze (382808 inhabitants)
30 Km NE of Scandicci (50609 inhabitants)
31 Km E of Pistoia (90315 inhabitants)
51 Km SW of Imola (69797 inhabitants)
54 Km S of Bologna (386663 inhabitants)
56 Km SW of Faenza (58541 inhabitants)
64 Km W of Forlì (117913 inhabitants)
66 Km E of Lucca (89046 inhabitants)
76 Km SE of Modena (184973 inhabitants)
77 Km NW of Arezzo (99543 inhabitants)
77 Km N of Siena (53903 inhabitants)
77 Km W of Cesena (96758 inhabitants)
79 Km E of Pisa (89158 inhabitants)
85 Km E of Viareggio (62467 inhabitants)
85 Km SW of Ravenna (159116 inhabitants)
91 Km SE of Carpi (70699 inhabitants)
92 Km E of Massa (69479 inhabitants)
92 Km SE of Reggio nell'Emilia (171345 inhabitants)
94 Km NE of Livorno (159219 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
96 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 2.3 2019-12-09
15:21:35		 44.0138 11.29 8 2020-02-28
16:42:25		 Bollettino Sismico Italiano INGV 76485481
Reviewed
Rev100 		ML 2.3 2019-12-09
15:21:35		 44.0112 11.2883 8 2020-02-13
11:18:05		 Sala Sismica INGV-Roma 74487601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-09 15:21:35 ± 0.06
Latitude 44.0138 ± 0.0036
Longitude 11.2900 ± 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 76485481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 395
Semi-minor axis of confidence ellipse (meter) 191
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
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) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.99735
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 74487601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-09 15:27:58

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 76485481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-13 11:17:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2019-12-09T15:21:55.02 0.3 undecidable manual P 299 110.7003 50 0.8 50
IV.CSNT.HHZ. 2019-12-09T15:21:54.51 0.6 undecidable manual S 180 59.9955 50 0.06 46
IV.BDI.HHZ. 2019-12-09T15:21:53.02 0.6 undecidable manual S 276 55.5999 50 -0.27 44
IV.OSSC.HHZ. 2019-12-09T15:21:53.20 0.6 undecidable manual S 184 54.501 50 0.21 45
IV.FROS.CHZ. 2019-12-09T15:21:51.41 0.3 undecidable manual P 187 89.8434 50 0.41 60
IV.ASQU.HHZ. 2019-12-09T15:21:51.27 0.6 undecidable manual S 121 46.62 50 0.39 44
IV.SFI.EHZ. 2019-12-09T15:21:51.23 0.6 undecidable manual S 105 46.1205 50 0.49 43
GU.POPM.HHZ. 2019-12-09T15:21:49.39 0.6 undecidable manual S 275 42.624 50 -0.43 44
MN.VLC.HHZ. 2019-12-09T15:21:48.81 0.6 undecidable manual P 283 73.7706 50 0.29 42
IV.CRE.HHZ. 2019-12-09T15:21:48.01 0.3 undecidable manual P 129 68.7756 50 0.27 65
GU.GSCL.HHZ. 2019-12-09T15:21:47.74 0.1 undecidable manual P 304 67.1772 50 0.24 87
IV.LMD.HHZ. 2019-12-09T15:21:47.23 0.6 undecidable manual S 78 34.0437 50 -0.28 46
IV.PII.HHZ. 2019-12-09T15:21:47.50 0.3 undecidable manual P 242 69.1752 50 -0.32 64
IV.CRMI.HNN. 2019-12-09T15:21:47.76 0.6 undecidable manual S 226 34.6431 50 0.07 48
IV.CSNT.HHZ. 2019-12-09T15:21:46.28 0.1 undecidable manual P 180 59.9955 50 -0.11 90
IV.OSSC.HHZ. 2019-12-09T15:21:45.49 0.1 undecidable manual P 184 54.501 50 -0.06 92
IV.FIR.HNE. 2019-12-09T15:21:45.52 0.6 undecidable manual S 186 26.751 108 0.41 45
IV.BDI.HHZ. 2019-12-09T15:21:45.22 0.1 undecidable manual P 276 55.5999 50 -0.5 84
IV.RUFI.EHZ. 2019-12-09T15:21:44.73 0.3 undecidable manual S 138 26.2515 108 -0.22 70
IV.ASQU.HHZ. 2019-12-09T15:21:44.21 0.3 undecidable manual P 121 46.62 50 -0.12 69
IV.ZCCA.HHZ. 2019-12-09T15:21:44.90 0.3 undecidable manual P 326 44.9217 50 0.82 56
IV.BRIS.HHZ. 2019-12-09T15:21:44.08 0.3 undecidable manual P 58 44.5221 50 0.06 71
IT.FIE.HGZ. 2019-12-09T15:21:43.67 0.3 undecidable manual S 179 22.9548 110 -0.2 71
GU.POPM.HHZ. 2019-12-09T15:21:43.28 0.1 positive manual P 275 42.624 50 -0.44 87
IV.SFI.EHZ. 2019-12-09T15:21:43.90 0.1 undecidable manual P 105 46.1205 50 -0.35 88
IV.FNVD.HHZ. 2019-12-09T15:21:43.32 0.6 undecidable manual S 322 21.6672 111 -0.13 48
IV.CRMI.HNN. 2019-12-09T15:21:42.31 0.3 undecidable manual P 226 34.6431 50 -0.18 70
IV.MTRZ.HHZ. 2019-12-09T15:21:42.95 0.3 undecidable manual P 18 34.8429 50 0.43 66
IV.MPPT.EHZ. 2019-12-09T15:21:42.00 0.3 undecidable manual S 249 17.1717 116 -0.01 75
IV.FIR.HNE. 2019-12-09T15:21:41.19 0.1 undecidable manual P 186 26.751 108 0.19 95
IV.LMD.HHZ. 2019-12-09T15:21:41.88 0.1 positive manual P 78 34.0437 50 -0.51 87
IT.FIE.HGZ. 2019-12-09T15:21:40.28 0.3 undecidable manual P 179 22.9548 110 0 74
IV.RUFI.EHZ. 2019-12-09T15:21:40.88 0.1 negative manual P 138 26.2515 108 -0.03 98
IV.SEI.HHZ. 2019-12-09T15:21:39.09 0.3 undecidable manual S 51 7.0929 140 -0.12 74
IV.FNVD.HHZ. 2019-12-09T15:21:39.91 0.1 positive manual P 322 21.6672 111 -0.14 96
IV.MOCL.EHZ. 2019-12-09T15:21:39.60 0.3 undecidable manual S 263 8.7801 134 -0.01 76
IV.MPPT.EHZ. 2019-12-09T15:21:39.35 0.1 positive manual P 249 17.1717 116 0.14 97
IV.SEI.HHZ. 2019-12-09T15:21:37.67 0.1 positive manual P 51 7.0929 140 0.08 100
IV.MOCL.EHZ. 2019-12-09T15:21:37.99 0.1 negative manual P 263 8.7801 134 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHN. ML:3.0 0.017 0.18 AML other m 2019-12-09T15:21:39.38
IV.SEI.HHE. ML:2.9 0.013600000000000001 0.36 AML other m 2019-12-09T15:21:39.53
IV.MOCL.EHE. ML:2.8 0.009824999999999999 0.92 AML other m 2019-12-09T15:21:39.76
IV.MOCL.EHN. ML:2.8 0.00972 0.96 AML other m 2019-12-09T15:21:40.83
IV.MPPT.EHE. ML:2.2 0.001296 1.46 AML other m 2019-12-09T15:21:42.11
IV.FNVD.HHN. ML:2.6 0.0027400000000000002 1.4 AML other m 2019-12-09T15:21:43.84
IV.MPPT.EHN. ML:2.1 0.0011585 0.92 AML other m 2019-12-09T15:21:43.97
IV.FNVD.HHE. ML:2.3 0.00143 0.34 AML other m 2019-12-09T15:21:44.14
IV.RUFI.EHE. ML:1.9 0.0004395 0.14 AML other m 2019-12-09T15:21:45.20
IV.RUFI.EHN. ML:1.9 0.0004125 1.2 AML other m 2019-12-09T15:21:47.35
IV.LMD.HHN. ML:2.7 0.0023650000000000003 0.16 AML other m 2019-12-09T15:21:47.53
IV.LMD.HHE. ML:2.4 0.0011200000000000001 0.42 AML other m 2019-12-09T15:21:48.32
IV.MTRZ.HNE. ML:2.2 0.00073 0.56 AML other m 2019-12-09T15:21:48.97
GU.POPM.HHE. ML:2.6 0.0012 1.26 AML other m 2019-12-09T15:21:50.85
GU.POPM.HHN. ML:2.6 0.00125 1.06 AML other m 2019-12-09T15:21:50.27
IV.SFI.HNN. ML:2.0 0.000322 0.64 AML other m 2019-12-09T15:21:51.57
IV.SFI.EHN. ML:2.0 0.000308 0.22 AML other m 2019-12-09T15:21:51.57
IV.BRIS.HHN. ML:2.4 0.0007059999999999999 0.66 AML other m 2019-12-09T15:21:51.62
IV.SFI.EHE. ML:1.9 0.00023899999999999998 0.42 AML other m 2019-12-09T15:21:52.62
IV.SFI.HNE. ML:2.0 0.000279 0.4 AML other m 2019-12-09T15:21:52.61
IV.BDI.HNE. ML:2.3 0.000502 1.82 AML other m 2019-12-09T15:21:53.05
IV.BDI.HNN. ML:2.6 0.0008774999999999999 1 AML other m 2019-12-09T15:21:54.10
IV.BDI.HHN. ML:2.5 0.0007909999999999999 0.96 AML other m 2019-12-09T15:21:54.11
IV.ASQU.HHE. ML:1.8 0.0001835 1.2 AML other m 2019-12-09T15:21:54.20
IV.ASQU.HHN. ML:1.8 0.0001965 1.24 AML other m 2019-12-09T15:21:54.85
IV.MTRZ.HHN. ML:2.2 0.0007315 0.44 AML other m 2019-12-09T15:21:54.44
IV.MTRZ.HNN. ML:2.2 0.000694 0.42 AML other m 2019-12-09T15:21:54.23
IV.BDI.HHE. ML:2.5 0.000709 1.14 AML other m 2019-12-09T15:21:54.06
IV.CSNT.HHN. ML:2.2 0.00036750000000000004 0.68 AML other m 2019-12-09T15:21:55.77
IV.MTRZ.HHE. ML:2.2 0.000605 1.5 AML other m 2019-12-09T15:21:56.86
IV.CSNT.HHE. ML:2.2 0.0002925 0.42 AML other m 2019-12-09T15:21:56.71
GU.GSCL.HHN. ML:2.2 0.000293 1.5 AML other m 2019-12-09T15:21:59.15
IV.PII.HHE. ML:2.4 0.000379 0.3 AML other m 2019-12-09T15:21:59.79
GU.GSCL.HHE. ML:2.1 0.000235 0.42 AML other m 2019-12-09T15:22:00.25
MN.VLC.HHE. ML:2.0 0.00016350000000000002 0.98 AML other m 2019-12-09T15:22:00.11
IV.PII.HHN. ML:2.4 0.000433 0.4 AML other m 2019-12-09T15:22:00.26
IV.CRE.HHN. ML:2.0 0.0001665 0.3 AML other m 2019-12-09T15:22:00.44
MN.VLC.HHN. ML:2.0 0.000172 0.44 AML other m 2019-12-09T15:22:00.60
IV.BRIS.HHE. ML:2.2 0.000439 0.98 AML other m 2019-12-09T15:22:02.85
IV.CRE.HHE. ML:1.9 0.00012255 0.88 AML other m 2019-12-09T15:22:03.20
IV.FROS.CHE. ML:2.3 0.00020950000000000002 0.98 AML other m 2019-12-09T15:22:07.89
IV.FROS.CHN. ML:2.2 0.00017549999999999998 1.08 AML other m 2019-12-09T15:22:10.08
GU.GRAM.HHE. ML:2.5 0.0002585 0.36 AML other m 2019-12-09T15:22:12.22
GU.GRAM.HHN. ML:2.3 0.0001605 0.56 AML other m 2019-12-09T15:22:14.55
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