Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 09-12-2019 and time 09:06:40 (Italy) in region 5 km E Barberino di Mugello (FI)

A magnitude ML 1.7 earthquake occured in region: 5 km E Barberino di Mugello (FI), on

  • 09-12-2019 08:06:40 (UTC)
  • 09-12-2019 09:06:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0170, 11.3000 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 6 12217 23053
Borgo San Lorenzo FI 10 18211 41264
Vernio PO 12 6060 47324
Vaglia FI 12 5073 52397
Firenzuola FI 13 4726 57123
Vaiano PO 15 9895 67018
Cantagallo PO 15 3105 70123
Vicchio FI 16 8044 78167
Castiglione dei Pepoli BO 18 5648 83815
Calenzano FI 20 17489 101304

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Prato (191150 inhabitants)
28 Km N of Firenze (382808 inhabitants)
30 Km NE of Scandicci (50609 inhabitants)
32 Km E of Pistoia (90315 inhabitants)
50 Km SW of Imola (69797 inhabitants)
53 Km S of Bologna (386663 inhabitants)
55 Km SW of Faenza (58541 inhabitants)
64 Km W of Forlì (117913 inhabitants)
67 Km E of Lucca (89046 inhabitants)
76 Km SE of Modena (184973 inhabitants)
77 Km W of Cesena (96758 inhabitants)
77 Km NW of Arezzo (99543 inhabitants)
78 Km N of Siena (53903 inhabitants)
79 Km E of Pisa (89158 inhabitants)
85 Km SW of Ravenna (159116 inhabitants)
86 Km E of Viareggio (62467 inhabitants)
91 Km SE of Carpi (70699 inhabitants)
93 Km E of Massa (69479 inhabitants)
93 Km SE of Reggio nell'Emilia (171345 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
95 Km NE of Livorno (159219 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 1.7 2019-12-09
08:06:40		 44.0173 11.3 9 2020-02-28
16:42:26		 Bollettino Sismico Italiano INGV 76605491
Reviewed
Rev100 		ML 1.7 2019-12-09
08:06:40		 44.0183 11.2958 9 2019-12-09
08:12:34		 Sala Sismica INGV-Roma 74471631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-09 08:06:40 ± 0.11
Latitude 44.0173 ± 0.0072
Longitude 11.3000 ± 0.0075
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 76605491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 746
Semi-minor axis of confidence ellipse (meter) 617
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 21
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) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.61604
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 74471631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-09 08:12:34

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 76605491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-17 17:06:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2019-12-09T08:07:02.80 0.3 undecidable manual S 130 68.376 50 1.44 40
IV.BDI.HHZ. 2019-12-09T08:06:58.06 0.6 undecidable manual S 275 56.3991 50 -0.11 46
IV.ASQU.HHZ. 2019-12-09T08:06:55.62 0.3 undecidable manual S 122 46.1205 50 0.19 70
IV.SFI.EHZ. 2019-12-09T08:06:55.41 0.6 undecidable manual S 106 45.4212 50 0.17 47
GU.POPM.HHZ. 2019-12-09T08:06:54.67 0.3 undecidable manual S 274 43.4232 50 -0.03 72
IV.CRE.HHZ. 2019-12-09T08:06:52.66 0.6 undecidable manual P 130 68.376 50 0.28 44
IV.LMD.HHZ. 2019-12-09T08:06:51.40 0.3 undecidable manual S 78 33.1446 50 -0.56 65
IV.BDI.HHZ. 2019-12-09T08:06:50.31 0.3 undecidable manual P 275 56.3991 50 -0.22 68
GU.POPM.HHZ. 2019-12-09T08:06:48.31 0.3 undecidable manual P 274 43.4232 50 -0.22 70
IV.SFI.EHZ. 2019-12-09T08:06:48.66 0.3 undecidable manual P 106 45.4212 50 -0.18 70
IV.FNVD.HHN. 2019-12-09T08:06:48.57 0.3 undecidable manual S 320 21.867 111 0.32 71
IV.ASQU.HHZ. 2019-12-09T08:06:48.80 0.1 undecidable manual P 122 46.1205 50 -0.15 94
IT.FIE.HGE. 2019-12-09T08:06:48.36 0.6 undecidable manual S 181 23.2545 110 -0.36 47
IV.MPPT.EHZ. 2019-12-09T08:06:47.02 0.3 undecidable manual S 248 17.9709 115 0 76
IV.MTRZ.HNZ. 2019-12-09T08:06:47.87 0.3 undecidable manual P 17 34.2435 50 0.75 61
IV.LMD.HHZ. 2019-12-09T08:06:46.44 0.1 undecidable manual P 78 33.1446 50 -0.51 89
IV.MOCL.EHZ. 2019-12-09T08:06:44.54 0.3 undecidable manual S 262 9.5793 132 -0.04 77
IT.FIE.HGE. 2019-12-09T08:06:44.96 0.3 undecidable manual P 181 23.2545 110 -0.12 74
IV.MPPT.EHZ. 2019-12-09T08:06:44.27 0.1 undecidable manual P 248 17.9709 115 0.17 98
IV.FNVD.HHN. 2019-12-09T08:06:44.66 0.1 undecidable manual P 320 21.867 111 -0.15 98
IV.MOCL.EHZ. 2019-12-09T08:06:42.84 0.1 undecidable manual P 262 9.5793 132 0.16 100
IV.SEI.HHZ. 2019-12-09T08:06:40.62 3.0 undecidable manual S 6.1938 -3.16 0
IV.SEI.HHZ. 2019-12-09T08:06:39.29 3.0 undecidable manual P 6.1938 -2.94 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPPT.EHE. ML:1.8 0.0005615 1.46 AML other m 2019-12-09T08:06:47.89
IV.MPPT.EHN. ML:1.8 0.0005245 0.2 AML other m 2019-12-09T08:06:47.81
IV.LMD.HHN. ML:1.9 0.000372 0.24 AML other m 2019-12-09T08:06:52.01
IV.CRMI.HHN. ML:1.4 0.0000927 0.3 AML other m 2019-12-09T08:06:53.20
IV.CRMI.HNE. ML:1.8 0.0002445 0.26 AML other m 2019-12-09T08:06:53.07
IV.CRMI.HHE. ML:1.3 0.0000852 0.24 AML other m 2019-12-09T08:06:53.08
IV.LMD.HHE. ML:1.8 0.000263 0.48 AML other m 2019-12-09T08:06:53.47
GU.POPM.HHE. ML:1.9 0.0002615 0.86 AML other m 2019-12-09T08:06:55.44
GU.POPM.HHN. ML:2.0 0.0002935 0.12 AML other m 2019-12-09T08:06:55.53
IV.ASQU.HHN. ML:1.4 0.0000697 0.6 AML other m 2019-12-09T08:06:56.04
IV.CRMI.HNN. ML:1.8 0.000236 0.3 AML other m 2019-12-09T08:06:57.06
IV.BDI.HHE. ML:1.8 0.00015900000000000002 0.28 AML other m 2019-12-09T08:06:59.25
IV.BDI.HHN. ML:1.9 0.00018099999999999998 1.38 AML other m 2019-12-09T08:06:59.30
IV.ASQU.HHE. ML:1.3 0.000056 0.68 AML other m 2019-12-09T08:06:59.85
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