Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 13-12-2019 and time 09:01:18 (Italy) in region 4 km NE Barberino di Mugello (FI)

A magnitude ML 1.8 earthquake occured in region: 4 km NE Barberino di Mugello (FI), on

  • 13-12-2019 08:01:18 (UTC)
  • 13-12-2019 09:01:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0240, 11.2840 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 4 10836 10836
Scarperia e San Piero FI 7 12217 23053
Vernio PO 11 6060 29113
Borgo San Lorenzo FI 11 18211 47324
Vaglia FI 13 5073 52397
Firenzuola FI 13 4726 57123
Cantagallo PO 14 3105 60228
Vaiano PO 14 9895 70123
Castiglione dei Pepoli BO 17 5648 75771
Vicchio FI 18 8044 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)
31 Km N of Scandicci (50609 inhabitants)
31 Km E of Pistoia (90315 inhabitants)
50 Km SW of Imola (69797 inhabitants)
53 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)
75 Km SE of Modena (184973 inhabitants)
78 Km W of Cesena (96758 inhabitants)
78 Km N of Siena (53903 inhabitants)
78 Km NW of Arezzo (99543 inhabitants)
79 Km E of Pisa (89158 inhabitants)
85 Km E of Viareggio (62467 inhabitants)
85 Km SW of Ravenna (159116 inhabitants)
90 Km SE of Carpi (70699 inhabitants)
91 Km SE of Reggio nell'Emilia (171345 inhabitants)
91 Km E of Massa (69479 inhabitants)
94 Km NE of Livorno (159219 inhabitants)
94 Km S of Ferrara (133155 inhabitants)
95 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 1.8 2019-12-13
08:01:18		 44.0237 11.2843 9 2020-02-28
16:42:20		 Bollettino Sismico Italiano INGV 75800571
Reviewed
Rev100 		ML 1.9 2019-12-13
08:01:18		 44.0233 11.2828 10 2019-12-13
08:12:09		 Sala Sismica INGV-Roma 74590931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-13 08:01:18 ± 0.06
Latitude 44.0237 ± 0.0045
Longitude 11.2843 ± 0.0050
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 75800571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 546
Semi-minor axis of confidence ellipse (meter) 223
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.50002
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 75800571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-24 17:56:26

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 74590931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-13 08:12:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HNZ. 2019-12-13T08:01:36.64 0.6 undecidable manual S 275 55.1004 50 0.32 44
IV.OSSC.HNE. 2019-12-13T08:01:36.95 0.6 undecidable manual S 183 55.5 50 0.51 42
IV.SFI.HNN. 2019-12-13T08:01:34.21 0.6 undecidable manual S 106 46.8198 50 0.1 47
GU.POPM.HHZ. 2019-12-13T08:01:32.95 0.6 undecidable manual S 273 42.1245 50 0.09 48
IV.CRMI.HNN. 2019-12-13T08:01:31.17 0.6 undecidable manual S 224 35.1426 50 0.18 47
IV.LMD.HHZ. 2019-12-13T08:01:30.43 0.6 undecidable manual S 80 34.2435 50 -0.33 46
IV.OSSC.HNE. 2019-12-13T08:01:28.97 0.1 undecidable manual P 183 55.5 50 0.01 94
IV.BDI.HNZ. 2019-12-13T08:01:28.76 0.1 undecidable manual P 275 55.1004 50 -0.13 92
IV.ASQU.HHE. 2019-12-13T08:01:28.33 0.6 undecidable manual P 122 47.5191 50 0.6 42
IV.SFI.HNN. 2019-12-13T08:01:27.52 0.1 undecidable manual P 106 46.8198 50 -0.1 94
IT.FIE.HGE. 2019-12-13T08:01:27.18 0.6 undecidable manual S 178 24.0537 111 -0.5 45
IV.VISG.HHZ. 2019-12-13T08:01:27.27 0.6 undecidable manual S 33 21.867 113 0.27 47
GU.POPM.HHZ. 2019-12-13T08:01:26.65 0.1 undecidable manual P 273 42.1245 50 -0.25 92
IV.MTRZ.HNN. 2019-12-13T08:01:26.43 0.6 undecidable manual P 19 33.9438 50 0.79 39
IV.MPPT.EHN. 2019-12-13T08:01:25.48 0.6 undecidable manual S 245 17.1717 118 -0.02 50
IV.CRMI.HNN. 2019-12-13T08:01:25.75 0.1 undecidable manual P 224 35.1426 50 -0.06 97
IV.LMD.HHZ. 2019-12-13T08:01:25.22 0.1 undecidable manual P 80 34.2435 50 -0.46 89
IV.RONT.HHZ. 2019-12-13T08:01:24.59 0.1 undecidable manual S 106 12.2766 127 0.5 92
IV.RINC.HHN. 2019-12-13T08:01:24.81 0.1 undecidable manual P 120 29.9478 50 -0.2 95
IV.VISG.HHZ. 2019-12-13T08:01:23.47 0.1 undecidable manual P 33 21.867 113 -0.04 100
IV.MOCL.EHZ. 2019-12-13T08:01:23.03 0.3 undecidable manual S 256 8.4804 137 -0.08 76
IT.FIE.HGE. 2019-12-13T08:01:23.77 0.1 undecidable manual P 178 24.0537 111 -0.14 97
IV.RONT.HHZ. 2019-12-13T08:01:22.01 0.1 undecidable manual P 106 12.2766 127 0.17 99
IV.SEI.HHZ. 2019-12-13T08:01:22.33 0.3 undecidable manual S 60 6.7932 144 -0.41 71
IV.MPPT.EHN. 2019-12-13T08:01:22.75 0.1 undecidable manual P 245 17.1717 118 0.1 99
IV.MOCL.EHZ. 2019-12-13T08:01:21.40 0.1 undecidable manual P 256 8.4804 137 0.13 100
IV.SEI.HHZ. 2019-12-13T08:01:20.98 0.3 undecidable manual P 60 6.7932 144 -0.07 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOCL.EHN. ML:1.9 0.00105914975 0.2176 AML other m 2019-12-13T08:01:23.27
IV.MOCL.EHE. ML:2.0 0.0013755575 0.2048 AML other m 2019-12-13T08:01:23.83
IV.RONT.HHN. ML:2.2 0.0016848655 0.1792 AML other m 2019-12-13T08:01:25.10
IV.RONT.HHE. ML:2.5 0.003307843 0.1792 AML other m 2019-12-13T08:01:24.73
IV.VISG.HHE. ML:1.5 0.00023513404999999998 0.2816 AML other m 2019-12-13T08:01:28.49
IV.VISG.HHN. ML:1.8 0.00039940719999999997 0.1984 AML other m 2019-12-13T08:01:27.70
IV.LMD.HHN. ML:1.7 0.00022115275 0.16 AML other m 2019-12-13T08:01:30.79
IV.LMD.HHE. ML:1.4 0.00010058439499999999 0.2816 AML other m 2019-12-13T08:01:32.39
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