Earthquake with magnitude of ML 1.0 on date 20-11-2021 and time 20:48:40 (UTC) in region 2 km W Barberino di Mugello (FI)

A magnitude ML 1.0 earthquake occured in region: 2 km W Barberino di Mugello (FI), on

  • 20-11-2021 20:48:40 (UTC)
  • 20-11-2021 21:48:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9990, 11.2100 at 52 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
Barberino di Mugello FI 2 10836 10836
Vernio PO 8 6060 16896
Vaiano PO 8 9895 26791
Cantagallo PO 9 3105 29896
Scarperia e San Piero FI 10 12217 42113
Vaglia FI 12 5073 47186
Calenzano FI 15 17489 64675
Borgo San Lorenzo FI 15 18211 82886
Prato PO 16 191150 274036
Montemurlo PO 16 18456 292492
Montale PT 17 10737 303229
Castiglione dei Pepoli BO 17 5648 308877
Sesto Fiorentino FI 18 48958 357835
Firenzuola FI 19 4726 362561
Agliana PT 19 17525 380086

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NE of Prato (191150 inhabitants)
24 Km E of Pistoia (90315 inhabitants)
26 Km N of Firenze (382808 inhabitants)
27 Km N of Scandicci (50609 inhabitants)
56 Km S of Bologna (386663 inhabitants)
56 Km SW of Imola (69797 inhabitants)
59 Km E of Lucca (89046 inhabitants)
63 Km SW of Faenza (58541 inhabitants)
71 Km W of Forlì (117913 inhabitants)
72 Km E of Pisa (89158 inhabitants)
76 Km SE of Modena (184973 inhabitants)
76 Km N of Siena (53903 inhabitants)
78 Km E of Viareggio (62467 inhabitants)
80 Km NW of Arezzo (99543 inhabitants)
84 Km W of Cesena (96758 inhabitants)
86 Km E of Massa (69479 inhabitants)
88 Km NE of Livorno (159219 inhabitants)
89 Km E of Carrara (63133 inhabitants)
90 Km SE of Reggio nell'Emilia (171345 inhabitants)
91 Km S of Carpi (70699 inhabitants)
92 Km SW of Ravenna (159116 inhabitants)
99 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
Bulletin
Rev1000
ML 1.0 2021-11-20
20:48:40
43.9987 11.2102 52 2022-03-30
13:04:24
Bollettino Sismico Italiano INGV 99002031
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 20:48:40 ± 0.22
Latitude 43.9987 ± 0.0099
Longitude 11.2102 ± 0.0138
Depth (km) 52 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99002031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1149
Semi-minor axis of confidence ellipse (meter) 248
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 1150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65561
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 99002031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-24 17:42:28

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(km) Takeoff_angle Residual Weight
IX.SCL3.EHZ.02 2021-11-20T20:50:38.17 3.0 undecidable manual S 0.24 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
MN.TIP.HHZ. 2021-11-20T20:50:10.08 3.0 negative manual P -2.94 0
IV.SELL.HHZ. 2021-11-20T20:50:10.07 3.0 negative manual P -4.23 0
IV.SERS.HHZ. 2021-11-20T20:50:10.09 3.0 negative manual P -4.02 0
IV.CELI.HHZ. 2021-11-20T20:50:09.74 3.0 negative manual P 0.8 0
IV.JOPP.HHZ. 2021-11-20T20:50:09.67 3.0 negative manual P -4.41 0
IV.PIPA.HHZ. 2021-11-20T20:50:09.61 3.0 undecidable manual P -0.56 0
IV.SPS2.HHZ. 2021-11-20T20:50:08.82 3.0 positive manual P -0.21 0
IV.CAR1.HHZ. 2021-11-20T20:50:07.95 3.0 negative manual P -0.68 0
IV.CET2.HHZ. 2021-11-20T20:50:07.72 3.0 negative manual P 3.78 0
IX.PGN3.HHZ.02 2021-11-20T20:50:04.97 3.0 positive manual P 1.318 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 P 1.014 0
IV.VARE.HHZ. 2021-11-20T20:49:56.68 3.0 undecidable manual S 7.6 0
OT.OT17.EHZ. 2021-11-20T20:49:43.82 3.0 negative manual P 5.8 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 P 5.04 0
IV.VARE.HHZ. 2021-11-20T20:49:20.27 3.0 undecidable manual P -0.03 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 P 5.71 0
IV.CRE.HHE. 2021-11-20T20:49:04.51 0.6 undecidable manual S 125 72.7716 112 0.19 45
IV.PII.HHZ. 2021-11-20T20:49:02.18 0.6 undecidable manual S 241 62.7927 117 -0.19 45
IV.CSNT.HHZ. 2021-11-20T20:49:02.17 0.6 undecidable manual S 174 58.6968 119 0.6 41
IV.OSSC.HHE. 2021-11-20T20:49:01.31 0.6 undecidable manual S 177 52.8027 123 0.82 38
IV.BRIS.HHN. 2021-11-20T20:49:00.94 0.6 undecidable manual S 60 50.9157 125 0.78 39
IV.BDI.HNZ. 2021-11-20T20:48:59.31 0.6 undecidable manual S 278 49.5171 126 -0.61 42
IV.ASQU.HHZ. 2021-11-20T20:48:59.57 0.6 undecidable manual S 116 51.4152 124 -0.68 40
IV.MTRZ.HNN. 2021-11-20T20:48:59.80 0.6 undecidable manual S 26 38.8278 134 1.65 24
IV.CRMI.HHZ. 2021-11-20T20:48:57.03 0.6 undecidable manual S 219 29.1486 144 0.25 47
GU.POPM.HHZ. 2021-11-20T20:48:57.38 0.6 undecidable manual S 278 36.5412 137 -0.42 46
IV.FNVD.HHZ. 2021-11-20T20:48:56.69 0.6 undecidable manual S 340 20.0688 154 0.92 37
IV.SEI.HHE. 2021-11-20T20:48:56.16 0.6 undecidable manual S 62 13.3755 162 0.92 38
IV.RUFI.EHZ. 2021-11-20T20:48:56.26 0.6 undecidable manual S 127 29.8479 143 -0.62 43
IV.VISG.HHN. 2021-11-20T20:48:56.50 0.6 undecidable manual S 40 27.6501 146 -0.1 49
IV.MPPT.EHN. 2021-11-20T20:48:55.07 0.6 undecidable manual S 245 10.5783 166 -0.01 51
IV.NDIM.HHZ. 2021-11-20T20:48:54.43 3.0 negative manual P -3.41 0
GU.SARM.EHN. 2021-11-20T20:48:54.36 0.1 undecidable manual P 288 67.6767 114 0.58 81
IV.CRE.HHE. 2021-11-20T20:48:54.43 0.3 undecidable manual P 125 72.7716 112 0.07 69
IV.BOSL.HHE. 2021-11-20T20:48:54.86 0.6 undecidable manual S 120 15.0738 160 -0.5 46
IV.MOCL.EHZ. 2021-11-20T20:48:54.98 0.6 undecidable manual S 286 2.4975 177 0.16 50
IV.CSNT.HHZ. 2021-11-20T20:48:53.35 0.1 negative manual P 174 58.6968 119 0.58 84
IV.OSSC.HHE. 2021-11-20T20:48:52.67 0.1 undecidable manual P 177 52.8027 123 0.52 86
IV.PII.HHZ. 2021-11-20T20:48:52.88 0.3 undecidable manual P 241 62.7927 117 -0.35 65
IV.ZCCA.HHN. 2021-11-20T20:48:52.03 0.3 undecidable manual P 335 43.2234 131 0.83 57
IV.ASQU.HHZ. 2021-11-20T20:48:51.70 0.1 undecidable manual P 116 51.4152 124 -0.3 89
IV.SFI.HNN. 2021-11-20T20:48:51.83 0.3 undecidable manual P 101 51.9036 124 -0.23 68
IV.BDI.HNZ. 2021-11-20T20:48:51.44 0.1 undecidable manual P 278 49.5171 126 -0.38 89
IV.BRIS.HHN. 2021-11-20T20:48:51.83 0.3 undecidable manual P 60 50.9157 125 -0.13 70
IV.CRMI.HHZ. 2021-11-20T20:48:50.18 0.1 negative manual P 219 29.1486 144 0.18 96
IV.MTRZ.HNN. 2021-11-20T20:48:50.89 0.1 undecidable manual P 26 38.8278 134 0.1 96
GU.POPM.HHZ. 2021-11-20T20:48:50.37 0.1 negative manual P 278 36.5412 137 -0.23 94
IV.FNVD.HHZ. 2021-11-20T20:48:49.53 0.1 undecidable manual P 340 20.0688 154 0.11 99
IV.RUFI.EHZ. 2021-11-20T20:48:49.74 0.1 undecidable manual P 127 29.8479 143 -0.31 93
IV.VISG.HHN. 2021-11-20T20:48:49.55 0.1 undecidable manual P 40 27.6501 146 -0.35 93
IV.MPPT.EHN. 2021-11-20T20:48:48.84 0.1 undecidable manual P 245 10.5783 166 -0.18 100
IV.BOSL.HHE. 2021-11-20T20:48:48.74 0.1 undecidable manual P 120 15.0738 160 -0.44 93
IV.SEI.HHE. 2021-11-20T20:48:48.66 0.1 undecidable manual P 62 13.3755 162 -0.46 93
IV.MOCL.EHZ. 2021-11-20T20:48:48.64 0.1 undecidable manual P 286 2.4975 177 -0.23 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRMI.HHN. ML:0.7 0.00001076648 0.896 AML other m 2021-11-20T20:48:57.09
IV.CRMI.HHE. ML:0.7 0.000010323407 0.2432 AML other m 2021-11-20T20:48:57.44
GU.POPM.HHN. ML:1.0 0.000021850000000000003 1.14 AML other m 2021-11-20T20:48:57.27
GU.POPM.HHE. ML:1.0 0.0000184 0.86 AML other m 2021-11-20T20:48:58.94
IV.PII.HHN. ML:1.5 0.00004575 0.28 AML other m 2021-11-20T20:49:02.78
IV.PII.HHE. ML:1.4 0.0000307 0.64 AML other m 2021-11-20T20:49:02.97
IV.CSNT.HHE. ML:1.0 0.000016286425999999998 0.2432 AML other m 2021-11-20T20:49:02.81
IV.CSNT.HHN. ML:1.0 0.00001264474835 0.2048 AML other m 2021-11-20T20:49:02.73
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