Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 09-01-2020 and time 12:29:38 (Italy) in region 4 km E Barberino di Mugello (FI)

A magnitude ML 1.2 earthquake occured in region: 4 km E Barberino di Mugello (FI), on

  • 09-01-2020 11:29:38 (UTC)
  • 09-01-2020 12:29:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0190, 11.2820 at 11 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 12 5073 52397
Firenzuola FI 14 4726 57123
Vaiano PO 14 9895 67018
Cantagallo PO 14 3105 70123
Castiglione dei Pepoli BO 17 5648 75771
Vicchio FI 17 8044 83815
Calenzano FI 19 17489 101304

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Prato (191150 inhabitants)
28 Km N of Firenze (382808 inhabitants)
30 Km N of Scandicci (50609 inhabitants)
31 Km E of Pistoia (90315 inhabitants)
51 Km SW of Imola (69797 inhabitants)
53 Km S of Bologna (386663 inhabitants)
57 Km SW of Faenza (58541 inhabitants)
65 Km W of Forlì (117913 inhabitants)
65 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)
78 Km E of Pisa (89158 inhabitants)
84 Km E of Viareggio (62467 inhabitants)
86 Km SW of Ravenna (159116 inhabitants)
91 Km SE of Carpi (70699 inhabitants)
91 Km E of Massa (69479 inhabitants)
92 Km SE of Reggio nell'Emilia (171345 inhabitants)
94 Km NE of Livorno (159219 inhabitants)
95 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 1.2 2020-01-09
11:29:38		 44.0187 11.2823 11 2020-07-18
21:08:18		 Bollettino Sismico Italiano INGV 75584241
Reviewed
Rev100 		ML 1.2 2020-01-09
11:29:38		 44.0192 11.28 11 2020-01-09
11:37:18		 Sala Sismica INGV-Roma 75409321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-09 11:29:38 ± 0.05
Latitude 44.0187 ± 0.0036
Longitude 11.2823 ± 0.0038
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75584241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 386
Semi-minor axis of confidence ellipse (meter) 303
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 342
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 14
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 75584241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-13 01:02:51

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 75409321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-09 11:37:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ZM.T1368.EHZ. 2020-01-09T11:30:45.08 3.0 negative manual Pg 5.23 0
IV.ARRO.EHZ. 2020-01-09T11:30:34.12 3.0 undecidable manual Sn -3.82 0
SL.LJU.BHZ. 2020-01-09T11:30:25.67 3.0 undecidable manual Pn -1.67 0
IV.ARCI.HHZ. 2020-01-09T11:30:17.89 3.0 undecidable manual S -5.01 0
IV.MNTV.HNZ. 2020-01-09T11:29:59.72 3.0 positive manual P -1.04 0
IV.CRMI.HHZ. 2020-01-09T11:29:50.90 0.6 undecidable manual S 224 34.6431 50 0.19 46
IV.RUFI.EHZ. 2020-01-09T11:29:48.43 0.6 undecidable manual S 138 27.0507 50 -0.25 46
IV.VISG.HHZ. 2020-01-09T11:29:47.41 0.3 undecidable manual S 33 22.4553 50 -0.04 73
IV.FNVD.HHZ. 2020-01-09T11:29:46.88 0.6 undecidable manual S 323 20.868 117 -0.12 48
IV.CRMI.HHZ. 2020-01-09T11:29:45.79 0.1 undecidable manual P 224 34.6431 50 0.08 94
IV.MPPT.EHZ. 2020-01-09T11:29:45.60 0.3 undecidable manual S 246 16.7721 122 -0.16 72
IV.RUFI.EHZ. 2020-01-09T11:29:44.33 0.1 undecidable manual P 138 27.0507 50 -0.22 93
IV.RONT.HHZ. 2020-01-09T11:29:44.80 0.3 undecidable manual S 103 12.3765 131 0.28 70
IV.FNVD.HHZ. 2020-01-09T11:29:43.66 0.1 undecidable manual P 323 20.868 117 0.09 96
IV.SEI.HHZ. 2020-01-09T11:29:43.07 0.3 undecidable manual S 57 7.2927 146 -0.26 71
IV.VISG.HHZ. 2020-01-09T11:29:43.96 0.1 undecidable manual P 33 22.4553 50 0.13 95
IV.RONT.HHZ. 2020-01-09T11:29:42.27 0.1 undecidable manual P 103 12.3765 131 0.13 97
IV.MPPT.EHZ. 2020-01-09T11:29:42.92 0.1 undecidable manual P 246 16.7721 122 0.06 97
IV.SEI.HHZ. 2020-01-09T11:29:41.44 0.1 undecidable manual P 57 7.2927 146 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:1.7 0.000694 0.14 AML other m 2020-01-09T11:29:43.21
IV.SEI.HHN. ML:1.8 0.0010400000000000001 0.36 AML other m 2020-01-09T11:29:44.08
IV.RONT.HHN. ML:1.4 0.0002675 0.24 AML other m 2020-01-09T11:29:45.34
IV.RONT.HHE. ML:1.6 0.00039 1.2 AML other m 2020-01-09T11:29:45.97
IV.MPPT.EHN. ML:0.6 0.00003485 1.4 AML other m 2020-01-09T11:29:46.83
IV.MPPT.EHE. ML:0.7 0.00004625 1.64 AML other m 2020-01-09T11:29:47.85
IV.VISG.HHN. ML:1.0 0.00006765 0.74 AML other m 2020-01-09T11:29:48.06
IV.VISG.HHE. ML:0.8 0.00003985 0.18 AML other m 2020-01-09T11:29:49.10
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