Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 17-12-2019 and time 01:19:33 (Italy) in region 5 km NE Barberino di Mugello (FI)

A magnitude ML 0.8 earthquake occured in region: 5 km NE Barberino di Mugello (FI), on

  • 17-12-2019 00:19:33 (UTC)
  • 17-12-2019 01:19:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0340, 11.2740 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 5 10836 10836
Scarperia e San Piero FI 9 12217 23053
Vernio PO 10 6060 29113
Firenzuola FI 13 4726 33839
Borgo San Lorenzo FI 13 18211 52050
Cantagallo PO 13 3105 55155
Vaiano PO 14 9895 65050
Vaglia FI 14 5073 70123
Castiglione dei Pepoli BO 15 5648 75771
Vicchio FI 19 8044 83815

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Prato (191150 inhabitants)
29 Km N of Firenze (382808 inhabitants)
31 Km E of Pistoia (90315 inhabitants)
32 Km N of Scandicci (50609 inhabitants)
50 Km SW of Imola (69797 inhabitants)
52 Km S of Bologna (386663 inhabitants)
56 Km W of Faenza (58541 inhabitants)
65 Km W of Forlì (117913 inhabitants)
65 Km E of Lucca (89046 inhabitants)
74 Km SE of Modena (184973 inhabitants)
78 Km W of Cesena (96758 inhabitants)
78 Km E of Pisa (89158 inhabitants)
80 Km N of Siena (53903 inhabitants)
80 Km NW of Arezzo (99543 inhabitants)
84 Km E of Viareggio (62467 inhabitants)
85 Km SW of Ravenna (159116 inhabitants)
89 Km SE of Carpi (70699 inhabitants)
90 Km SE of Reggio nell'Emilia (171345 inhabitants)
91 Km E of Massa (69479 inhabitants)
93 Km SW of Ferrara (133155 inhabitants)
94 Km NE of Livorno (159219 inhabitants)
94 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 0.8 2019-12-17
00:19:33		 44.0342 11.2745 8 2020-02-28
16:42:21		 Bollettino Sismico Italiano INGV 75991481
Reviewed
Rev100 		ML 0.6 2019-12-17
00:19:33		 44.0362 11.2713 8 2019-12-17
00:25:57		 Sala Sismica INGV-Roma 74721381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-17 00:19:33 ± 0.17
Latitude 44.0342 ± 0.0045
Longitude 11.2745 ± 0.0050
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75991481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 192
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.19245
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 75991481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-29 10:58:24

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 74721381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-17 00:25:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VISG.HHZ. 2019-12-17T00:19:42.02 0.6 undecidable manual S 36 21.3675 110 0.29 47
IV.FNVD.HHZ. 2019-12-17T00:19:41.19 0.6 undecidable manual S 321 19.1697 113 0.19 48
IV.MPPT.EHZ. 2019-12-17T00:19:40.42 0.3 undecidable manual S 240 16.9719 115 0.1 73
IV.RONT.HHZ. 2019-12-17T00:19:39.48 0.3 undecidable manual S 110 13.3755 121 0.26 71
IV.VISG.HHZ. 2019-12-17T00:19:38.30 0.1 undecidable manual P 36 21.3675 110 -0.09 97
IV.MPPT.EHZ. 2019-12-17T00:19:37.50 0.1 undecidable manual P 240 16.9719 115 -0.07 98
IV.SEI.HHZ. 2019-12-17T00:19:37.31 0.3 undecidable manual S 71 7.0929 138 -0.19 73
IV.FNVD.HHZ. 2019-12-17T00:19:37.89 0.3 undecidable manual P 321 19.1697 113 -0.08 73
IV.RONT.HHZ. 2019-12-17T00:19:36.92 0.1 undecidable manual P 110 13.3755 121 -0.02 100
IV.SEI.HHZ. 2019-12-17T00:19:35.83 0.1 undecidable manual P 71 7.0929 138 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:0.6 0.00006376555000000001 0.18 AML other m 2019-12-17T00:19:37.72
IV.SEI.HHN. ML:1.0 0.0001613003 0.3 AML other m 2019-12-17T00:19:38.30
IV.RONT.HHN. ML:1.0 0.00012747334999999997 0.18 AML other m 2019-12-17T00:19:39.58
IV.RONT.HHE. ML:1.1 0.00013958298 0.18 AML other m 2019-12-17T00:19:39.67
IV.MPPT.EHN. ML:0.3 0.000018004775 0.22 AML other m 2019-12-17T00:19:40.42
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