Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 09-12-2019 and time 07:17:17 (Italy) in region 4 km E Barberino di Mugello (FI)

A magnitude ML 1.2 earthquake occured in region: 4 km E Barberino di Mugello (FI), on

  • 09-12-2019 06:17:17 (UTC)
  • 09-12-2019 07:17:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0010, 11.2960 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.

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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 5 10836 10836
Scarperia e San Piero FI 5 12217 23053
Borgo San Lorenzo FI 9 18211 41264
Vaglia FI 10 5073 46337
Vernio PO 13 6060 52397
Vaiano PO 14 9895 62292
Firenzuola FI 15 4726 67018
Cantagallo PO 15 3105 70123
Vicchio FI 16 8044 78167
Calenzano FI 18 17489 95656
Castiglione dei Pepoli BO 19 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)
28 Km NE of Scandicci (50609 inhabitants)
31 Km E of Pistoia (90315 inhabitants)
52 Km SW of Imola (69797 inhabitants)
55 Km S of Bologna (386663 inhabitants)
57 Km SW of Faenza (58541 inhabitants)
65 Km W of Forlì (117913 inhabitants)
66 Km E of Lucca (89046 inhabitants)
76 Km N of Siena (53903 inhabitants)
76 Km NW of Arezzo (99543 inhabitants)
77 Km W of Cesena (96758 inhabitants)
78 Km SE of Modena (184973 inhabitants)
78 Km E of Pisa (89158 inhabitants)
85 Km E of Viareggio (62467 inhabitants)
86 Km SW of Ravenna (159116 inhabitants)
92 Km E of Massa (69479 inhabitants)
93 Km SE of Carpi (70699 inhabitants)
94 Km NE of Livorno (159219 inhabitants)
94 Km SE of Reggio nell'Emilia (171345 inhabitants)
96 Km E of Carrara (63133 inhabitants)
97 Km S of Ferrara (133155 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 1.2 2019-12-09
06:17:17		 44.0007 11.2958 9 2020-02-28
16:42:26		 Bollettino Sismico Italiano INGV 76606141
Reviewed
Rev100 		ML 1.2 2019-12-09
06:17:17		 44.0013 11.2962 9 2019-12-09
06:27:52		 Sala Sismica INGV-Roma 74466821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-09 06:17:17 ± 0.08
Latitude 44.0007 ± 0.0054
Longitude 11.2958 ± 0.0088
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76606141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 800
Semi-minor axis of confidence ellipse (meter) 377
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32555
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 76606141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-17 18:00:10

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 74466821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-09 06:27:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HNZ. 2019-12-09T06:18:58.67 3.0 undecidable manual Sn 0.66 0
IV.MTGR.HHZ. 2019-12-09T06:18:46.17 3.0 undecidable manual Pn -2.98 0
IV.PZUN.HHZ. 2019-12-09T06:18:24.18 3.0 positive manual Pn -3.26 0
IV.PTRJ.HNZ. 2019-12-09T06:18:23.74 3.0 undecidable manual Pg 12.31 0
MN.TRI.HHZ. 2019-12-09T06:17:55.53 3.0 positive manual Pg 6.28 0
CH.MUGIO.HHZ. 2019-12-09T06:17:50.17 3.0 undecidable manual Pn -0.2 0
IV.LMD.HHZ. 2019-12-09T06:17:29.18 0.3 undecidable manual S 75 33.9438 50 -0.02 73
IV.RUFI.EHZ. 2019-12-09T06:17:26.34 0.3 undecidable manual S 137 24.8529 110 -0.06 74
IV.FNVD.HHZ. 2019-12-09T06:17:26.00 0.3 undecidable manual S 323 23.0547 111 0.17 72
IV.MTRZ.HNN. 2019-12-09T06:17:25.61 1.0 undecidable manual P 16 36.1416 50 1.13 17
IT.FIE.HGE. 2019-12-09T06:17:25.29 0.3 undecidable manual S 180 21.4674 113 -0.02 75
IV.MPPT.EHZ. 2019-12-09T06:17:23.85 0.3 undecidable manual S 254 17.0718 118 -0.09 74
IV.LMD.HHZ. 2019-12-09T06:17:23.87 0.1 undecidable manual P 75 33.9438 50 -0.27 93
IV.NDIM.HHZ. 2019-12-09T06:17:23.41 3.0 negative manual P -1.99 0
IT.FIE.HGE. 2019-12-09T06:17:22.01 0.1 undecidable manual P 180 21.4674 113 0.11 98
IV.FNVD.HHZ. 2019-12-09T06:17:22.01 0.1 undecidable manual P 323 23.0547 111 -0.19 96
IV.RUFI.EHZ. 2019-12-09T06:17:22.67 0.1 undecidable manual P 137 24.8529 110 0.14 97
IV.MOCL.EHZ. 2019-12-09T06:17:21.51 0.3 undecidable manual S 273 9.1797 134 -0.19 74
IV.MPPT.EHZ. 2019-12-09T06:17:21.15 0.1 undecidable manual P 254 17.0718 118 0.05 100
IV.MOCL.EHZ. 2019-12-09T06:17:19.92 0.1 undecidable manual P 273 9.1797 134 0.11 100
IV.SEI.HHZ. 2019-12-09T06:17:18.38 3.0 undecidable manual S 7.7811 -2.98 0
IV.SEI.HHZ. 2019-12-09T06:17:16.88 3.0 undecidable manual P 7.7811 -2.73 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:1.6 0.0005477965 0.1408 AML other m 2019-12-09T06:17:18.95
IV.SEI.HHN. ML:1.9 0.0011943264999999998 0.4608 AML other m 2019-12-09T06:17:19.37
IV.MOCL.EHN. ML:1.2 0.00024740455 0.16 AML other m 2019-12-09T06:17:21.56
IV.MOCL.EHE. ML:1.4 0.00037183750000000003 0.16 AML other m 2019-12-09T06:17:21.55
IV.MPPT.EHE. ML:1.0 0.0000916285 0.32 AML other m 2019-12-09T06:17:24.56
IV.MPPT.EHN. ML:1.1 0.00010152499 0.3008 AML other m 2019-12-09T06:17:24.80
IV.RUFI.EHN. ML:0.5 0.000021195902 0.4608 AML other m 2019-12-09T06:17:28.32
IV.CRMI.HNN. ML:1.2 0.00007065069 1.1392 AML other m 2019-12-09T06:17:28.94
IV.LMD.HHN. ML:0.9 0.00003571555 0.0992 AML other m 2019-12-09T06:17:29.68
IV.CRMI.HHN. ML:1.3 0.00008376285 0.0992 AML other m 2019-12-09T06:17:32.26
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