Earthquake with magnitude of ML 2.6 on date 09-12-2019 and time 04:50:55 (Italy) in region 5 km N Scarperia e San Piero (FI)

A magnitude ML 2.6 earthquake occured in region: 5 km N Scarperia e San Piero (FI), on

  • 09-12-2019 03:50:55 (UTC)
  • 09-12-2019 04:50:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44, 11.33 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.

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 7 10836 23053
Borgo San Lorenzo FI 7 18211 41264
Vaglia FI 11 5073 46337
Firenzuola FI 13 4726 51063
Vicchio FI 14 8044 59107
Vernio PO 15 6060 65167
Vaiano PO 17 9895 75062
Cantagallo PO 18 3105 78167
Calenzano FI 20 17489 95656

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Prato (191150 inhabitants)
27 Km N of Firenze (382808 inhabitants)
30 Km NE of Scandicci (50609 inhabitants)
34 Km E of Pistoia (90315 inhabitants)
50 Km SW of Imola (69797 inhabitants)
54 Km SW of Faenza (58541 inhabitants)
55 Km S of Bologna (386663 inhabitants)
62 Km W of Forlì (117913 inhabitants)
68 Km E of Lucca (89046 inhabitants)
75 Km NW of Arezzo (99543 inhabitants)
75 Km W of Cesena (96758 inhabitants)
76 Km N of Siena (53903 inhabitants)
78 Km SE of Modena (184973 inhabitants)
81 Km E of Pisa (89158 inhabitants)
83 Km SW of Ravenna (159116 inhabitants)
88 Km E of Viareggio (62467 inhabitants)
93 Km SE of Carpi (70699 inhabitants)
95 Km E of Massa (69479 inhabitants)
95 Km SE of Reggio nell'Emilia (171345 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
96 Km NE of Livorno (159219 inhabitants)
99 Km E of Carrara (63133 inhabitants)
99 Km W of Rimini (147750 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 2.6 2019-12-09
03:50:55
44 11.33 9 2020-02-28
16:42:26
Bollettino Sismico Italiano INGV 76648071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-09 03:50:55 ± 0.07
Latitude 44.00 ± 0.00
Longitude 11.33 ± 0.01
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 76648071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 380
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.69248
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitude information

ML:2.6

Field Value
Value 2.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 76648071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-19 12:09:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
MN.VLC.HHZ. 2019-12-09T03:51:19.74 0.6 undecidable manual S 283 0.6925 50 0.77 37
GU.CARD.HHZ. 2019-12-09T03:51:16.50 0.6 undecidable manual S 272 0.6079 50 0.05 46
IV.CSNT.HHZ. 2019-12-09T03:51:14.18 0.6 undecidable manual S 183 0.5315 50 -0.03 47
IV.OSSC.HNE. 2019-12-09T03:51:13.00 0.6 undecidable manual S 187 0.4847 50 0.2 46
IV.BDI.HNZ. 2019-12-09T03:51:13.80 0.6 undecidable manual S 277 0.5288 50 -0.31 44
GU.POPM.HHZ. 2019-12-09T03:51:10.38 0.6 undecidable manual S 276 0.4119 50 -0.26 46
IV.SFI.HNN. 2019-12-09T03:51:09.84 0.6 undecidable manual S 105 0.3876 50 -0.08 48
MN.VLC.HHZ. 2019-12-09T03:51:09.13 1.0 undecidable manual P 283 0.6925 50 0.11 22
GU.GSCL.HHN. 2019-12-09T03:51:08.57 0.3 undecidable manual P 303 0.6322 50 0.58 60
GU.CARD.HHZ. 2019-12-09T03:51:08.04 0.6 undecidable manual P 272 0.6079 50 0.48 42
IV.FIU.EHN. 2019-12-09T03:51:08.29 0.6 undecidable manual P 10 0.6457 50 0.07 46
IV.CRMI.HNN. 2019-12-09T03:51:07.87 0.6 undecidable manual S 230 0.3256 50 -0.24 47
IV.CSNT.HHZ. 2019-12-09T03:51:06.19 0.3 undecidable manual P 183 0.5315 50 -0.08 70
IV.LMD.HHZ. 2019-12-09T03:51:06.41 0.6 undecidable manual S 75 0.2824 105 -0.29 47
IV.BDI.HNZ. 2019-12-09T03:51:05.90 0.3 undecidable manual P 277 0.5288 50 -0.31 67
IV.FIR.HHZ. 2019-12-09T03:51:05.16 0.6 undecidable manual S 193 0.2356 108 0.19 48
IV.OSSC.HNE. 2019-12-09T03:51:05.42 0.1 undecidable manual P 187 0.4847 50 -0.03 95
IV.RUFI.EHZ. 2019-12-09T03:51:04.11 0.6 undecidable manual S 142 0.2122 110 0.01 50
IV.FNVD.HHZ. 2019-12-09T03:51:04.04 0.6 undecidable manual S 318 0.2194 109 -0.32 47
IT.FIE.HGZ. 2019-12-09T03:51:03.66 0.3 undecidable manual S 187 0.1988 111 0.04 75
IV.SFI.HNN. 2019-12-09T03:51:03.71 0.1 undecidable manual P 105 0.3876 50 -0.08 96
GU.POPM.HHZ. 2019-12-09T03:51:03.45 0.3 undecidable manual P 276 0.4119 50 -0.76 59
IV.MTRZ.HNN. 2019-12-09T03:51:03.42 0.3 undecidable manual P 13 0.3157 50 0.85 58
IV.CRMI.HNN. 2019-12-09T03:51:02.50 0.1 undecidable manual P 230 0.3256 50 -0.24 94
IV.MPPT.EHZ. 2019-12-09T03:51:02.65 0.6 undecidable manual S 255 0.1763 113 -0.18 49
IV.LMD.HHZ. 2019-12-09T03:51:01.71 0.1 negative manual P 75 0.2824 105 -0.22 95
IV.FIR.HHZ. 2019-12-09T03:51:01.07 0.3 undecidable manual P 193 0.2356 108 0.14 73
IT.FIE.HGZ. 2019-12-09T03:51:00.20 0.1 undecidable manual P 187 0.1988 111 0.05 100
IV.MOCL.EHZ. 2019-12-09T03:51:00.40 0.3 undecidable manual S 270 0.1052 126 -0.02 77
IV.RUFI.EHZ. 2019-12-09T03:51:00.54 0.1 undecidable manual P 142 0.2122 110 0.11 99
IV.FNVD.HHZ. 2019-12-09T03:51:00.47 0.3 undecidable manual P 318 0.2194 109 -0.11 74
IV.MPPT.EHZ. 2019-12-09T03:50:59.77 0.1 positive manual P 255 0.1763 113 0.07 100
IV.MOCL.EHZ. 2019-12-09T03:50:58.51 0.1 negative manual P 270 0.1052 126 0.2 99
IV.SEI.HHZ. 2019-12-09T03:50:56.42 3.0 undecidable manual S 0.0549 -2.61 0
IV.SEI.HHZ. 2019-12-09T03:50:54.96 3.0 undecidable manual P 0.0549 -2.55 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOCL.EHN. ML:3.1 0.015112305 0.1824 AML other m 2019-12-09T03:51:00.57
IV.MOCL.EHE. ML:2.7 0.0068527535 0.1184 AML other m 2019-12-09T03:51:00.53
IV.MPPT.EHE. ML:2.4 0.0019361305 0.2016 AML other m 2019-12-09T03:51:03.33
IV.MPPT.EHN. ML:2.3 0.001631278 0.2016 AML other m 2019-12-09T03:51:03.62
IV.RUFI.EHN. ML:2 0.0006077349 0.6016 AML other m 2019-12-09T03:51:09.27
IV.RUFI.EHE. ML:2 0.00073381135 0.1792 AML other m 2019-12-09T03:51:04.85
IV.FIR.HNN. ML:2.8 0.003763178 0.3488 AML other m 2019-12-09T03:51:05.98
IV.FIR.HHN. ML:2.8 0.0038825645 0.2208 AML other m 2019-12-09T03:51:05.98
IV.FIR.HHE. ML:2.8 0.003327801 0.1792 AML other m 2019-12-09T03:51:05.41
IV.FIR.HNE. ML:2.8 0.0033336205 0.1696 AML other m 2019-12-09T03:51:05.40
IV.LMD.HHN. ML:2.5 0.001428416 0.2208 AML other m 2019-12-09T03:51:06.76
IV.LMD.HHE. ML:2.4 0.0011855165 0.3808 AML other m 2019-12-09T03:51:08.34
IV.CSNT.HHN. ML:2.4 0.00060341655 0.1824 AML other m 2019-12-09T03:51:15.67
IV.CSNT.HHE. ML:2.4 0.0005857575 0.2624 AML other m 2019-12-09T03:51:15.32
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download