Earthquake with magnitude of ML 1.4 on date 20-11-2021 and time 20:48:41 (UTC) in region 2 km W Barberino di Mugello (FI)

A magnitude ML 1.4 earthquake occured in region: 2 km W Barberino di Mugello (FI), on

  • 20-11-2021 20:48:41 (UTC)
  • 20-11-2021 21:48:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.008, 11.219 at 48 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Barberino di Mugello FI 2 10836 10836
Vernio PO 7 6060 16896
Vaiano PO 9 9895 26791
Cantagallo PO 9 3105 29896
Scarperia e San Piero FI 10 12217 42113
Vaglia FI 12 5073 47186
Borgo San Lorenzo FI 15 18211 65397
Castiglione dei Pepoli BO 16 5648 71045
Calenzano FI 16 17489 88534
Montemurlo PO 17 18456 106990
Prato PO 17 191150 298140
Montale PT 18 10737 308877
Firenzuola FI 18 4726 313603
Sesto Fiorentino FI 20 48958 362561

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Prato (191150 inhabitants)
25 Km E of Pistoia (90315 inhabitants)
27 Km N of Firenze (382808 inhabitants)
28 Km N of Scandicci (50609 inhabitants)
55 Km S of Bologna (386663 inhabitants)
55 Km SW of Imola (69797 inhabitants)
60 Km E of Lucca (89046 inhabitants)
61 Km SW of Faenza (58541 inhabitants)
70 Km W of Forlì (117913 inhabitants)
73 Km E of Pisa (89158 inhabitants)
75 Km SE of Modena (184973 inhabitants)
77 Km N of Siena (53903 inhabitants)
79 Km E of Viareggio (62467 inhabitants)
80 Km NW of Arezzo (99543 inhabitants)
83 Km W of Cesena (96758 inhabitants)
86 Km E of Massa (69479 inhabitants)
89 Km NE of Livorno (159219 inhabitants)
90 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km E of Carrara (63133 inhabitants)
90 Km SE of Carpi (70699 inhabitants)
91 Km SW of Ravenna (159116 inhabitants)
98 Km SW of Ferrara (133155 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
Reviewed
Rev100
ML 1.4 2021-11-20
20:48:41
44.0078 11.2192 48 2021-11-20
21:57:51
Sala Sismica INGV-Roma 97640781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-20 20:48:41 ± 0.17
Latitude 44.0078 ± 0.0063
Longitude 11.2192 ± 0.0075
Depth (km) 48 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97640781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 733
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 730
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 22
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
Epicentral distance of station farthest from the epicenter (degree) 0.57647
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 97640781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-20 21:57:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IX.SCL3.EHZ.02 2021-11-20T20:50:38.17 3.0 undecidable manual Sn -3.73 0
IV.MTMR.EHZ. 2021-11-20T20:50:25.07 3.0 undecidable manual Sn -6.4 0
IV.LRP.EHZ. 2021-11-20T20:50:12.78 3.0 undecidable manual Sg 11.68 0
IV.SELL.HHZ. 2021-11-20T20:50:10.07 3.0 negative manual Pn -5.23 0
IV.SERS.HHZ. 2021-11-20T20:50:10.09 3.0 negative manual Pn -5.05 0
MN.TIP.HHZ. 2021-11-20T20:50:10.08 3.0 negative manual Pn -4 0
IV.JOPP.HHZ. 2021-11-20T20:50:09.67 3.0 negative manual Pn -5.27 0
IV.PIPA.HHZ. 2021-11-20T20:50:09.61 3.0 undecidable manual Pn -1.68 0
IV.CELI.HHZ. 2021-11-20T20:50:09.74 3.0 negative manual Pn -0.28 0
IV.SPS2.HHZ. 2021-11-20T20:50:08.82 3.0 positive manual Pn -1.25 0
IV.CAR1.HHZ. 2021-11-20T20:50:07.95 3.0 negative manual Pn -1.69 0
IV.CET2.HHZ. 2021-11-20T20:50:07.72 3.0 negative manual Pn 2.75 0
IX.PGN3.HHZ.02 2021-11-20T20:50:04.97 3.0 positive manual Pg 11.95 0
IV.GIUL.HHZ. 2021-11-20T20:50:00.39 3.0 undecidable manual Sn 0.96 0
IX.SCL3.EHZ.02 2021-11-20T20:49:58.65 3.0 undecidable manual Pg 8.91 0
IV.VARE.HHZ. 2021-11-20T20:49:56.68 3.0 undecidable manual Sg 4.75 0
OT.OT17.EHZ. 2021-11-20T20:49:43.82 3.0 negative manual Pn 4.33 0
IV.SRES.HHZ. 2021-11-20T20:49:37.67 3.0 undecidable manual Sn -0.63 0
IV.ZEN8.EHZ. 2021-11-20T20:49:32.68 3.0 undecidable manual Sg 1.31 0
ST.VARA.EHZ. 2021-11-20T20:49:27.22 3.0 undecidable manual Sn -8.34 0
CH.BERNI.HHZ. 2021-11-20T20:49:25.44 3.0 undecidable manual Pg 3.34 0
IV.VARE.HHZ. 2021-11-20T20:49:20.27 3.0 undecidable manual Pn -1.4 0
IV.MMUR.HNZ. 2021-11-20T20:49:19.41 3.0 undecidable manual Sn -5.38 0
IV.PP3.EHZ. 2021-11-20T20:49:16.33 3.0 positive manual Pg 3.84 0
IV.CSNT.HHZ. 2021-11-20T20:49:02.12 0.1 undecidable manual S 175 0.5369 114 0.47 83
IV.PII.HHZ. 2021-11-20T20:49:02.22 0.1 undecidable manual S 240 0.5765 112 -0.29 86
IV.ASQU.HHZ. 2021-11-20T20:48:59.60 0.3 undecidable manual S 117 0.4614 120 -0.44 64
GU.POPM.HHZ. 2021-11-20T20:48:57.40 0.1 undecidable manual S 277 0.3345 132 -0.18 92
IV.VISG.HHN. 2021-11-20T20:48:56.31 0.1 undecidable manual S 40 0.2374 144 0.28 93
IV.CRMI.HHZ. 2021-11-20T20:48:56.62 0.1 undecidable manual S 219 0.2734 139 0.05 96
IV.RUFI.EHZ. 2021-11-20T20:48:56.21 0.1 undecidable manual S 129 0.2689 140 -0.29 92
IV.BOSL.HHE. 2021-11-20T20:48:54.93 0.1 undecidable manual S 125 0.1358 158 0.08 99
IV.NDIM.HHZ. 2021-11-20T20:48:54.43 3.0 negative manual P -5.25 0
IV.PII.HHZ. 2021-11-20T20:48:53.26 0.6 undecidable manual P 240 0.5765 112 -0.16 44
IV.CSNT.HHZ. 2021-11-20T20:48:53.35 0.1 negative manual P 175 0.5369 114 0.43 84
IV.ASQU.HHZ. 2021-11-20T20:48:51.74 0.6 positive manual P 117 0.4614 120 -0.25 45
IV.ZCCA.HHN. 2021-11-20T20:48:51.56 0.6 undecidable manual P 333 0.384 127 0.46 43
IV.MTRZ.HNN. 2021-11-20T20:48:50.73 0.1 undecidable manual P 26 0.3381 132 0.11 94
IV.CRMI.HHZ. 2021-11-20T20:48:50.18 0.1 negative manual P 219 0.2734 139 0.19 94
GU.POPM.HHZ. 2021-11-20T20:48:50.37 0.1 negative manual P 277 0.3345 132 -0.21 92
IV.RUFI.EHZ. 2021-11-20T20:48:49.75 0.6 negative manual P 129 0.2689 140 -0.2 47
IV.FNVD.HHZ. 2021-11-20T20:48:49.53 0.1 undecidable manual P 337 0.1745 153 0.31 93
IV.VISG.HHN. 2021-11-20T20:48:49.47 0.1 undecidable manual P 40 0.2374 144 -0.21 94
IV.SEI.HHE. 2021-11-20T20:48:49.01 0.6 undecidable manual P 65 0.1106 162 0.13 49
IV.MOCL.EHZ. 2021-11-20T20:48:48.64 0.3 negative manual P 264 0.0279 175 -0.02 76
IV.MPPT.EHN. 2021-11-20T20:48:48.84 0.1 undecidable manual P 242 0.1052 163 -0.02 100
IV.BOSL.HHE. 2021-11-20T20:48:48.74 0.1 undecidable manual P 125 0.1358 158 -0.26 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:1 2.185E-5 1.14 AML other m 2021-11-20T20:48:57.27
GU.POPM.HHE. ML:1 1.84E-5 0.86 AML other m 2021-11-20T20:48:58.94
IV.PII.HHN. ML:1.5 4.575E-5 0.28 AML other m 2021-11-20T20:49:02.78
IV.PII.HHE. ML:1.3 3.07E-5 0.64 AML other m 2021-11-20T20:49:02.97
IV.ZEN8.EHN. ML:1.9 2.595E-5 0.5 AML other m 2021-11-20T20:49:39.89
IV.ZEN8.EHE. ML:1.8 2.135E-5 0.58 AML other m 2021-11-20T20:49:40.12
IV.VARE.HHN. ML:3.8 0.000813 0.14 AML other m 2021-11-20T20:50:07.10
IV.VARE.HHE. ML:3.2 0.0002005 0.1 AML other m 2021-11-20T20:50:12.80
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