Earthquake with magnitude of ML 1.4 on date 07-11-2020 and time 19:32:19 (Italy) in region 3 km E Castelfiorentino (FI)

A magnitude ML 1.4 earthquake occured in region: 3 km E Castelfiorentino (FI), on

  • 07-11-2020 18:32:19 (UTC)
  • 07-11-2020 19:32:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6180, 11.0000 at 10 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
Castelfiorentino FI 3 17504 17504
Montespertoli FI 7 13537 31041
Certaldo FI 8 16121 47162
Gambassi Terme FI 9 4870 52032
Montaione FI 10 3700 55732
Empoli FI 12 48109 103841
Montelupo Fiorentino FI 13 14098 117939
San Miniato PI 14 27934 145873
Capraia e Limite FI 14 7670 153543
Tavarnelle Val di Pesa FI 15 7800 161343
San Casciano in Val di Pesa FI 16 17062 178405
Barberino Val d'Elsa FI 16 4386 182791
San Gimignano SI 17 7820 190611
Palaia PI 18 4612 195223
Cerreto Guidi FI 19 10870 206093
Lastra a Signa FI 19 20156 226249
Fucecchio FI 20 23618 249867
Vinci FI 20 14604 264471

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Scandicci (50609 inhabitants)
27 Km SW of Firenze (382808 inhabitants)
30 Km S of Prato (191150 inhabitants)
36 Km S of Pistoia (90315 inhabitants)
43 Km NW of Siena (53903 inhabitants)
47 Km SE of Lucca (89046 inhabitants)
49 Km E of Pisa (89158 inhabitants)
56 Km E of Livorno (159219 inhabitants)
66 Km E of Viareggio (62467 inhabitants)
73 Km W of Arezzo (99543 inhabitants)
83 Km SE of Massa (69479 inhabitants)
89 Km SE of Carrara (63133 inhabitants)
96 Km N of Grosseto (82087 inhabitants)
100 Km SW of Imola (69797 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 1.4 2020-11-07
18:32:19
43.6175 10.9998 10 2021-02-26
14:56:10
Bollettino Sismico Italiano INGV 85421481
Reviewed
Rev100
ML 1.4 2020-11-07
18:32:19
43.6233 10.9988 10 2020-11-07
18:44:50
Sala Sismica INGV-Roma 84537991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-07 18:32:19 ± 0.13
Latitude 43.6175 ± 0.0045
Longitude 10.9998 ± 0.0075
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85421481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 579
Semi-minor axis of confidence ellipse (meter) 246
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.17897
Epicentral distance of station farthest from the epicenter (degree) 0.69877
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 85421481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-14 11:05:37

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 84537991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-07 18:44:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIF.CHN. 2020-11-07T18:32:37.18 0.6 undecidable manual S 188 56.2992 50 -0.49 43
GU.POPM.HHE. 2020-11-07T18:32:36.51 0.6 undecidable manual S 338 51.2154 50 0.2 47
IV.MOCL.EHZ. 2020-11-07T18:32:35.14 0.6 undecidable manual S 19 45.3213 50 0.4 45
IV.MAGO.CHZ. 2020-11-07T18:32:35.32 0.6 undecidable manual S 216 47.1195 50 0.12 48
IV.RUFI.EHZ. 2020-11-07T18:32:35.11 0.3 undecidable manual S 59 47.619 50 -0.23 70
IV.FROS.CHZ. 2020-11-07T18:32:34.76 0.3 undecidable manual S 164 46.9197 50 -0.41 67
MN.VLC.HHZ. 2020-11-07T18:32:33.67 0.1 undecidable manual P 321 77.5668 50 0.23 88
IV.MPPT.EHZ. 2020-11-07T18:32:32.55 0.3 undecidable manual S 11 38.4282 50 -0.34 69
IV.PII.HHZ. 2020-11-07T18:32:32.48 0.3 undecidable manual S 287 39.8268 50 -0.79 60
IV.RINC.HHZ. 2020-11-07T18:32:30.68 0.3 undecidable manual P 58 57.0984 50 0.4 66
IV.RONT.HHZ. 2020-11-07T18:32:30.20 0.3 undecidable manual P 40 54.2013 50 0.36 67
IV.BDI.HHZ. 2020-11-07T18:32:30.68 0.1 undecidable manual P 327 58.9965 50 0.09 94
IV.TRIF.CHN. 2020-11-07T18:32:30.61 0.3 undecidable manual P 188 56.2992 50 0.44 66
GU.POPM.HHE. 2020-11-07T18:32:29.65 0.1 undecidable manual P 338 51.2154 50 0.26 92
IV.CSNT.HHZ. 2020-11-07T18:32:29.87 0.3 undecidable manual S 124 28.3494 50 -0.32 71
GU.MAIM.HHN. 2020-11-07T18:32:29.58 0.1 undecidable manual P 309 52.3032 50 0.02 96
IV.MAGO.CHZ. 2020-11-07T18:32:29.03 0.1 undecidable manual P 216 47.1195 50 0.29 92
IV.RUFI.EHZ. 2020-11-07T18:32:28.99 0.1 negative manual P 59 47.619 50 0.17 94
IV.MOCL.EHZ. 2020-11-07T18:32:28.56 0.3 undecidable manual P 19 45.3213 50 0.09 72
IV.FROS.CHZ. 2020-11-07T18:32:28.96 0.1 undecidable manual P 164 46.9197 50 0.24 93
IV.CRMI.HNZ. 2020-11-07T18:32:27.16 0.3 undecidable manual S 355 19.869 117 -0.46 70
IV.PII.HHZ. 2020-11-07T18:32:27.63 0.1 negative manual P 287 39.8268 50 0.01 99
IV.MPPT.EHZ. 2020-11-07T18:32:27.12 0.3 undecidable manual P 11 38.4282 50 -0.29 70
IV.CSNT.HHZ. 2020-11-07T18:32:25.63 0.1 negative manual P 124 28.3494 50 -0.22 97
IV.CRMI.HNZ. 2020-11-07T18:32:24.24 0.1 positive manual P 355 19.869 117 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSNT.HHE. ML:1.1 0.00005909065 0.2688 AML other m 2020-11-07T18:32:30.27
IV.PII.HHE. ML:1.9 0.00029908215 0.1664 AML other m 2020-11-07T18:32:32.57
IV.MPPT.EHE. ML:1.2 0.0000657058 0.2176 AML other m 2020-11-07T18:32:32.72
IV.PII.HHN. ML:1.8 0.00024330895 0.1408 AML other m 2020-11-07T18:32:32.82
IV.MPPT.EHN. ML:1.3 0.000080873555 0.1408 AML other m 2020-11-07T18:32:33.38
IV.FROS.CHN. ML:1.6 0.00011493639 0.1536 AML other m 2020-11-07T18:32:36.13
IV.MAGO.CHE. ML:1.2 0.00004854096 0.1536 AML other m 2020-11-07T18:32:36.31
IV.FROS.CHE. ML:1.7 0.00013879170000000003 0.192 AML other m 2020-11-07T18:32:36.77
IV.RONT.HHE. ML:1.9 0.00018298845000000002 0.2688 AML other m 2020-11-07T18:32:41.61
IV.RINC.HHN. ML:1.1 0.000027880745000000002 1.3984 AML other m 2020-11-07T18:32:42.74
IV.RONT.HHN. ML:1.7 0.0001229273 0.2944 AML other m 2020-11-07T18:32:42.25
IV.RINC.HHE. ML:1.1 0.000031282695 0.3712 AML other m 2020-11-07T18:32:43.46
IV.BDI.HHN. ML:1.2 0.000029337805 0.576 AML other m 2020-11-07T18:32:43.82
IV.BDI.HHE. ML:1.3 0.000038641755 0.256 AML other m 2020-11-07T18:32:43.96
IV.CSNT.HHN. ML:1.1 0.000061486 0.6528 AML other m 2020-11-07T18:32:30.45
IV.RUFI.EHE. ML:1.3 0.00006219664 0.2304 AML other m 2020-11-07T18:32:36.10
IV.RUFI.EHN. ML:1.2 0.00004644281 0.1792 AML other m 2020-11-07T18:32:36.10
IV.MAGO.CHN. ML:1.3 0.000056610220000000004 0.1152 AML other m 2020-11-07T18:32:36.45
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