Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 09-12-2019 and time 06:19:07 (UTC) in region 5 km N Scarperia e San Piero (FI)

A magnitude ML 1.5 earthquake occured in region: 5 km N Scarperia e San Piero (FI), on

  • 09-12-2019 06:19:07 (UTC)
  • 09-12-2019 07:19:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0040, 11.3170 at 6 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
Scarperia e San Piero FI 5 12217 12217
Barberino di Mugello FI 6 10836 23053
Borgo San Lorenzo FI 8 18211 41264
Vaglia FI 11 5073 46337
Firenzuola FI 14 4726 51063
Vernio PO 14 6060 57123
Vicchio FI 14 8044 65167
Vaiano PO 16 9895 75062
Cantagallo PO 17 3105 78167
Calenzano FI 19 17489 95656

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Prato (191150 inhabitants)
26 Km N of Firenze (382808 inhabitants)
29 Km NE of Scandicci (50609 inhabitants)
33 Km E of Pistoia (90315 inhabitants)
50 Km SW of Imola (69797 inhabitants)
55 Km S of Bologna (386663 inhabitants)
55 Km SW of Faenza (58541 inhabitants)
63 Km W of Forlì (117913 inhabitants)
68 Km E of Lucca (89046 inhabitants)
75 Km NW of Arezzo (99543 inhabitants)
76 Km W of Cesena (96758 inhabitants)
76 Km N of Siena (53903 inhabitants)
78 Km SE of Modena (184973 inhabitants)
80 Km E of Pisa (89158 inhabitants)
84 Km SW of Ravenna (159116 inhabitants)
87 Km E of Viareggio (62467 inhabitants)
93 Km SE of Carpi (70699 inhabitants)
94 Km E of Massa (69479 inhabitants)
95 Km SE of Reggio nell'Emilia (171345 inhabitants)
95 Km NE of Livorno (159219 inhabitants)
96 Km S of Ferrara (133155 inhabitants)
98 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 1.5 2019-12-09
06:19:07		 44.0038 11.317 7 2020-02-28
16:42:26		 Bollettino Sismico Italiano INGV 76606061
Reviewed
Rev100 		ML 1.5 2019-12-09
06:19:07		 43.9997 11.3152 6 2019-12-09
06:32:54		 Sala Sismica INGV-Roma 74467031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-09 06:19:07 ± 0.07
Latitude 44.0038 ± 0.0045
Longitude 11.3170 ± 0.0050
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76606061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 296
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
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) 68
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 21
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53060
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 76606061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-17 17:56:32

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74467031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-09 06:32:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2019-12-09T06:20:43.19 3.0 undecidable manual Sn 6.17 0
CR.STON.BHZ. 2019-12-09T06:20:26.30 3.0 undecidable manual Pn 4.28 0
GU.BLANC.HHZ. 2019-12-09T06:20:16.65 3.0 undecidable manual Pg 10.75 0
IV.MNTT.EHZ. 2019-12-09T06:20:13.95 3.0 undecidable manual Sg 5.05 0
IV.ZONE.HHZ. 2019-12-09T06:20:12.33 3.0 undecidable manual Sg 2.56 0
IV.MAGA.HHZ. 2019-12-09T06:20:06.75 3.0 undecidable manual Sg -0.1 0
TV.SF04.EHZ. 2019-12-09T06:19:30.10 3.0 positive manual P -2.76 0
IV.CSNT.HHZ. 2019-12-09T06:19:26.57 0.6 undecidable manual S 182 58.8966 50 -0.13 45
IV.OSSC.HHE. 2019-12-09T06:19:25.41 0.6 undecidable manual S 186 53.6019 50 0.14 45
IV.CPGN.EHZ. 2019-12-09T06:19:24.52 3.0 undecidable manual P -0.35 0
IV.ASQU.HHN. 2019-12-09T06:19:22.78 0.6 undecidable manual S 121 44.2224 50 0.01 47
IV.SFI.HNE. 2019-12-09T06:19:22.84 0.3 undecidable manual S 104 43.7229 50 0.2 68
IV.CSNT.HHZ. 2019-12-09T06:19:18.30 0.1 undecidable manual P 182 58.8966 50 -0.28 87
IV.LMD.HHZ. 2019-12-09T06:19:18.65 0.3 undecidable manual S 75 32.1456 101 -0.24 69
IV.OSSC.HHE. 2019-12-09T06:19:17.63 0.3 undecidable manual P 186 53.6019 50 -0.13 68
IV.ZCCA.HHN. 2019-12-09T06:19:17.28 0.6 undecidable manual P 325 47.1195 50 0.52 42
IV.SFI.HNE. 2019-12-09T06:19:16.22 0.3 undecidable manual P 104 43.7229 50 -0.02 71
IV.RUFI.EHZ. 2019-12-09T06:19:16.25 0.1 undecidable manual S 140 23.9538 105 0.13 96
IV.ASQU.HHN. 2019-12-09T06:19:16.17 0.3 undecidable manual P 121 44.2224 50 -0.14 69
IT.FIE.HGE. 2019-12-09T06:19:15.51 0.3 undecidable manual S 185 21.867 107 0.09 73
IV.MTRZ.HNN. 2019-12-09T06:19:15.57 0.3 undecidable manual P 14 35.3424 100 0.87 56
IV.MPPT.EHZ. 2019-12-09T06:19:14.35 0.1 undecidable manual S 254 18.7701 109 -0.05 98
IV.LMD.HHZ. 2019-12-09T06:19:13.71 0.1 undecidable manual P 75 32.1456 101 -0.36 90
IT.FIE.HGE. 2019-12-09T06:19:12.19 0.3 undecidable manual P 185 21.867 107 0.12 72
IV.RUFI.EHZ. 2019-12-09T06:19:12.64 0.3 undecidable manual P 140 23.9538 105 0.17 71
IV.FNVD.HHZ. 2019-12-09T06:19:11.92 0.3 undecidable manual P 320 23.8539 105 -0.54 66
IV.MOCL.EHZ. 2019-12-09T06:19:11.86 0.1 undecidable manual S 271 10.878 121 -0.03 100
IV.MPPT.EHZ. 2019-12-09T06:19:11.53 0.1 positive manual P 254 18.7701 109 0.04 98
IV.MOCL.EHZ. 2019-12-09T06:19:10.11 0.1 undecidable manual P 271 10.878 121 0.07 99
IV.SEI.HHZ. 2019-12-09T06:19:07.85 3.0 undecidable manual S 6.4935 -2.84 0
IV.SEI.HHZ. 2019-12-09T06:19:06.56 3.0 undecidable manual P 6.4935 -2.78 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOCL.EHN. ML:1.9 0.00123 1.52 AML other m 2019-12-09T06:19:11.16
IV.MOCL.EHE. ML:1.7 0.0007749999999999999 0.1 AML other m 2019-12-09T06:19:11.96
IV.MPPT.EHE. ML:1.6 0.0003045 0.2 AML other m 2019-12-09T06:19:15.24
IV.MPPT.EHN. ML:1.6 0.0003115 0.2 AML other m 2019-12-09T06:19:15.06
IV.RUFI.EHE. ML:1.2 0.00009285000000000001 0.42 AML other m 2019-12-09T06:19:17.48
IV.LMD.HHN. ML:1.5 0.000161 0.42 AML other m 2019-12-09T06:19:19.34
IV.LMD.HHE. ML:1.5 0.00014135 0.52 AML other m 2019-12-09T06:19:20.68
IV.RUFI.EHN. ML:1.1 0.0000923 0.42 AML other m 2019-12-09T06:19:25.47
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