Earthquake with magnitude of ML 1.5 on date 29-10-2016 and time 02:16:02 (UTC) in region 5 km E Castelfiorentino (FI)

A magnitude ML 1.5 earthquake occured in region: 5 km E Castelfiorentino (FI), on

  • 29-10-2016 02:16:02 (UTC)
  • 29-10-2016 04:16:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6080, 11.0350 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
Castelfiorentino FI 5 17504 17504
Montespertoli FI 5 13537 31041
Certaldo FI 7 16121 47162
Gambassi Terme FI 10 4870 52032
Montaione FI 12 3700 55732
Tavarnelle Val di Pesa FI 12 7800 63532
Barberino Val d'Elsa FI 13 4386 67918
San Casciano in Val di Pesa FI 13 17062 84980
Montelupo Fiorentino FI 14 14098 99078
Empoli FI 14 48109 147187
San Gimignano SI 16 7820 155007
Capraia e Limite FI 16 7670 162677
San Miniato PI 17 27934 190611
Poggibonsi SI 18 29196 219807
Lastra a Signa FI 19 20156 239963
Impruneta FI 20 14615 254578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SW of Scandicci (50609 inhabitants)
25 Km SW of Firenze (382808 inhabitants)
31 Km S of Prato (191150 inhabitants)
38 Km S of Pistoia (90315 inhabitants)
40 Km NW of Siena (53903 inhabitants)
50 Km SE of Lucca (89046 inhabitants)
52 Km E of Pisa (89158 inhabitants)
59 Km E of Livorno (159219 inhabitants)
69 Km E of Viareggio (62467 inhabitants)
70 Km W of Arezzo (99543 inhabitants)
86 Km SE of Massa (69479 inhabitants)
92 Km SE of Carrara (63133 inhabitants)
94 Km N of Grosseto (82087 inhabitants)
99 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 1.5 2016-10-29
02:16:02
43.6082 11.0352 9 2017-04-06
07:46:39
Bollettino Sismico Italiano INGV 43457851
Reviewed
Rev100
ML 1.4 2016-10-29
02:16:02
43.5993 11.0253 9 2016-10-29
02:33:03
Sala Sismica INGV-Roma 30881051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-29 02:16:02 ± 0.07
Latitude 43.6082 ± 0.0036
Longitude 11.0352 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 43457851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.12415
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 30881051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-29 02:33:03

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 43457851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-04-06 07:46:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HNZ. 2016-10-29T02:17:46.99 3.0 undecidable manual Sg 7.89 0
IV.T1217.EHZ. 2016-10-29T02:17:00.99 3.0 undecidable manual Sg 5.56 0
IV.GUMA.HHZ. 2016-10-29T02:16:59.99 3.0 undecidable manual Sn 1.31 0
XO.AM05.EHZ. 2016-10-29T02:16:58.99 3.0 undecidable manual Sn -0.77 0
IV.T1216.EHZ. 2016-10-29T02:16:57.99 3.0 undecidable manual Sg 3.15 0
IV.ARRO.EHZ. 2016-10-29T02:16:57.99 3.0 undecidable manual Sg 2.92 0
IV.FDMO.HHZ. 2016-10-29T02:16:56.99 3.0 undecidable manual Sg 2.89 0
IV.T1245.HHZ. 2016-10-29T02:16:56.99 3.0 undecidable manual Sn -1.17 0
IV.MC2.EHZ. 2016-10-29T02:16:55.99 3.0 undecidable manual Sn -1.37 0
IV.ARRO.EHZ. 2016-10-29T02:16:30.78 3.0 positive manual Pn -0.99 0
IV.CESI.HHZ. 2016-10-29T02:16:29.91 3.0 negative manual P -0.02 0
IV.ATFO.HHZ. 2016-10-29T02:16:26.67 3.0 undecidable manual P 1.46 0
GU.GRAM.HHZ. 2016-10-29T02:16:23.32 0.6 undecidable manual P 322 124.7862 50 -0.33 41
IV.CELB.HHE. 2016-10-29T02:16:22.71 0.6 undecidable manual P 215 116.5944 50 0.32 41
IV.CASP.HHE. 2016-10-29T02:16:18.82 0.3 undecidable manual P 189 91.7415 50 0.26 66
IV.FROS.HHZ. 2016-10-29T02:16:17.27 0.3 undecidable manual S 168 45.3213 50 -0.52 68
IV.RUFI.EHZ. 2016-10-29T02:16:17.88 0.3 undecidable manual S 56 45.8208 50 -0.05 76
IV.CAFI.HNN. 2016-10-29T02:16:17.09 0.6 undecidable manual P 112 81.0522 50 0.17 46
IV.CRE.HHE. 2016-10-29T02:16:16.00 0.6 undecidable manual P 89 73.6707 50 0.23 46
MN.VLC.HHZ. 2016-10-29T02:16:16.84 0.3 undecidable manual P 320 80.1642 50 0.06 71
IV.MPPT.EHZ. 2016-10-29T02:16:15.92 0.3 undecidable manual S 6 39.0276 50 -0.2 74
GU.CARD.HHZ. 2016-10-29T02:16:14.17 0.3 undecidable manual P 317 64.0914 50 -0.13 72
IV.ASQU.HHE. 2016-10-29T02:16:14.47 0.6 undecidable manual P 71 63.9915 50 0.18 47
IV.BDI.HHZ. 2016-10-29T02:16:14.00 0.3 undecidable manual P 325 61.494 50 0.1 73
IV.TRIF.HHZ. 2016-10-29T02:16:13.21 0.3 undecidable manual P 191 55.7997 50 0.19 72
IV.CSNT.HHZ. 2016-10-29T02:16:12.12 0.3 undecidable manual S 126 25.3524 108 0.16 77
GU.MAIM.HHZ. 2016-10-29T02:16:12.85 0.3 undecidable manual P 308 55.2003 50 -0.08 74
GU.POPM.HHZ. 2016-10-29T02:16:12.37 0.6 undecidable manual P 335 53.3022 50 -0.27 47
IV.FROS.HHZ. 2016-10-29T02:16:11.59 0.3 undecidable manual P 168 45.3213 50 0.19 73
IV.RUFI.EHZ. 2016-10-29T02:16:11.78 0.3 undecidable manual P 56 45.8208 50 0.3 72
IV.MTCR.EHZ. 2016-10-29T02:16:11.76 0.3 undecidable manual P 357 46.62 50 0.15 74
IV.MPPT.EHZ. 2016-10-29T02:16:10.41 0.6 undecidable manual P 6 39.0276 50 -0.02 51
IV.PII.HHZ. 2016-10-29T02:16:10.85 0.1 negative manual P 287 42.8238 50 -0.17 99
IV.CRMI.HHZ. 2016-10-29T02:16:10.50 0.3 undecidable manual S 348 21.2676 112 -0.11 78
IV.OSSC.HHZ. 2016-10-29T02:16:09.74 0.3 undecidable manual S 119 19.3695 114 -0.26 76
IV.CSNT.HHZ. 2016-10-29T02:16:08.29 0.1 undecidable manual P 126 25.3524 108 0.25 100
IV.CRMI.HHZ. 2016-10-29T02:16:07.62 0.3 undecidable manual P 348 21.2676 112 0.37 74
IV.OSSC.HHZ. 2016-10-29T02:16:06.36 0.1 negative manual P 119 19.3695 114 -0.55 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.HHE. ML:1.7 0.00015 0.34 AML other m 2016-10-29T02:16:17.73
IV.FROS.HHN. ML:1.6 0.000125 1.08 AML other m 2016-10-29T02:16:18.61
IV.OSSC.HHE. ML:1.4 0.000191 0.42 AML other m 2016-10-29T02:16:10.44
IV.OSSC.HHN. ML:1.4 0.0001815 0.28 AML other m 2016-10-29T02:16:10.58
IV.PII.HHN. ML:1.6 0.0001265 1.08 AML other m 2016-10-29T02:16:16.89
IV.PII.HHE. ML:1.5 0.0001085 0.28 AML other m 2016-10-29T02:16:17.14
IV.TRIF.HHE. ML:1.5 0.0000675 0.74 AML other m 2016-10-29T02:16:20.08
IV.TRIF.HHN. ML:1.4 0.000054199999999999996 0.54 AML other m 2016-10-29T02:16:22.35
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