Earthquake with magnitude of ML 1.4 on date 08-12-2016 and time 01:33:41 (UTC) in region 3 km E Castelfiorentino (FI)

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

  • 08-12-2016 01:33:41 (UTC)
  • 08-12-2016 02:33:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6060, 11.0050 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
Certaldo FI 7 16121 33625
Montespertoli FI 7 13537 47162
Gambassi Terme FI 8 4870 52032
Montaione FI 9 3700 55732
Empoli FI 14 48109 103841
Montelupo Fiorentino FI 14 14098 117939
Tavarnelle Val di Pesa FI 14 7800 125739
San Miniato PI 15 27934 153673
Barberino Val d'Elsa FI 15 4386 158059
Capraia e Limite FI 16 7670 165729
San Casciano in Val di Pesa FI 16 17062 182791
San Gimignano SI 16 7820 190611
Palaia PI 19 4612 195223
Poggibonsi SI 19 29196 224419
Cerreto Guidi FI 20 10870 235289

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Scandicci (50609 inhabitants)
27 Km SW of Firenze (382808 inhabitants)
32 Km S of Prato (191150 inhabitants)
37 Km S of Pistoia (90315 inhabitants)
41 Km NW of Siena (53903 inhabitants)
48 Km SE of Lucca (89046 inhabitants)
50 Km E of Pisa (89158 inhabitants)
56 Km E of Livorno (159219 inhabitants)
67 Km E of Viareggio (62467 inhabitants)
72 Km W of Arezzo (99543 inhabitants)
84 Km SE of Massa (69479 inhabitants)
90 Km SE of Carrara (63133 inhabitants)
94 Km N of Grosseto (82087 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 2016-12-08
01:33:41
43.6058 11.0053 10 2017-03-30
12:32:17
Bollettino Sismico Italiano INGV 43144671
Reviewed
Rev100
ML 1.4 2016-12-08
01:33:41
43.5982 11.0088 10 2016-12-08
01:46:07
Sala Sismica INGV-Roma 35996971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-08 01:33:41 ± 0.12
Latitude 43.6058 ± 0.0054
Longitude 11.0053 ± 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 43144671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 540
Semi-minor axis of confidence ellipse (meter) 429
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.19066
Epicentral distance of station farthest from the epicenter (degree) 0.90562
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 43144671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-03-30 12:32:52

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 35996971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-08 01:46:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SF13.HHN. 2016-12-08T01:34:10.70 0.6 undecidable manual S 150 100.5216 50 -0.42 40
GU.EQUI.HHZ. 2016-12-08T01:34:08.60 1.0 undecidable manual S 313 92.241 50 -0.32 21
IV.CRE.HHZ. 2016-12-08T01:34:04.90 1.0 undecidable manual S 89 75.9684 50 0.31 21
IV.ASQU.HHZ. 2016-12-08T01:34:02.50 0.6 undecidable manual S 71 66.378 50 0.49 42
TV.SF13.HHN. 2016-12-08T01:33:59.59 1.0 undecidable manual P 150 100.5216 50 0.94 16
IV.TRIF.HHZ. 2016-12-08T01:33:58.70 0.3 undecidable manual S 189 55.1004 50 -0.31 67
GU.MAIM.HHZ. 2016-12-08T01:33:57.20 1.0 undecidable manual S 310 53.502 50 -1.39 14
GU.EQUI.HHZ. 2016-12-08T01:33:57.81 0.3 undecidable manual P 313 92.241 50 0.43 60
IV.CAFI.HHZ. 2016-12-08T01:33:56.88 1.0 undecidable manual P 111 83.25 50 0.88 17
IV.RUFI.EHZ. 2016-12-08T01:33:56.60 0.3 undecidable manual S 57 47.9187 50 -0.49 65
IV.FROS.HHZ. 2016-12-08T01:33:56.10 0.3 undecidable manual S 164 45.621 50 -0.37 67
GU.SARM.EHZ. 2016-12-08T01:33:55.81 0.3 undecidable manual P 323 80.2641 50 0.26 64
MN.VLC.HHZ. 2016-12-08T01:33:55.66 0.3 undecidable manual P 321 78.8655 50 0.34 63
IV.CRE.HHZ. 2016-12-08T01:33:55.77 0.6 undecidable manual P 89 75.9684 50 0.89 35
IV.MPPT.EHN. 2016-12-08T01:33:54.30 1.0 undecidable manual S 10 39.627 50 -0.57 21
IV.PII.HHZ. 2016-12-08T01:33:54.10 1.0 undecidable manual S 289 40.626 50 -1.05 17
IV.ASQU.HHZ. 2016-12-08T01:33:53.84 0.1 negative manual P 71 66.378 50 0.45 84
IV.TRIF.HHZ. 2016-12-08T01:33:52.15 0.3 undecidable manual P 189 55.1004 50 0.49 64
GU.CARD.HHZ. 2016-12-08T01:33:52.79 0.6 undecidable manual P 318 62.6928 50 -0.04 46
IV.BDI.HHZ. 2016-12-08T01:33:52.62 0.1 positive manual P 327 60.3951 50 0.15 91
IV.CSNT.HHZ. 2016-12-08T01:33:51.00 1.0 undecidable manual S 123 27.2505 50 -0.57 44
GU.MAIM.HHZ. 2016-12-08T01:33:51.40 0.1 negative manual P 310 53.502 50 -0.02 95
IV.FROS.HHZ. 2016-12-08T01:33:50.51 0.1 positive manual P 164 45.621 50 0.31 90
IV.MTCR.EHZ. 2016-12-08T01:33:50.40 0.6 undecidable manual P 360 46.8198 50 0.01 48
IV.RUFI.EHZ. 2016-12-08T01:33:50.53 0.1 positive manual P 57 47.9187 50 -0.02 95
IV.CRMI.HNN. 2016-12-08T01:33:49.00 1.0 undecidable manual S 354 21.1677 115 -0.75 20
IV.MPPT.EHN. 2016-12-08T01:33:49.11 0.6 undecidable manual P 10 39.627 50 -0.16 47
IV.OSSC.HHZ. 2016-12-08T01:33:49.40 0.6 undecidable manual S 115 21.3675 115 -0.42 46
IV.PII.HHZ. 2016-12-08T01:33:49.42 0.1 negative manual P 289 40.626 50 -0.01 97
IV.CSNT.HHZ. 2016-12-08T01:33:47.16 0.1 positive manual P 123 27.2505 50 -0.2 95
IV.OSSC.HHZ. 2016-12-08T01:33:46.38 0.1 negative manual P 115 21.3675 115 0.02 100
IV.CRMI.HNN. 2016-12-08T01:33:46.08 0.1 positive manual P 354 21.1677 115 -0.23 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHE. ML:1.4 0.000038599999999999996 0.74 AML other m 2016-12-08T01:34:03.82
IV.ASQU.HHN. ML:1.3 0.000036750000000000006 0.7 AML other m 2016-12-08T01:34:04.04
IV.BDI.HHN. ML:0.9 0.000017100000000000002 0.92 AML other m 2016-12-08T01:34:03.44
IV.BDI.HHE. ML:1.0 0.000019299999999999998 0.82 AML other m 2016-12-08T01:34:05.05
IV.CSNT.HHE. ML:1.2 0.00008225000000000001 0.36 AML other m 2016-12-08T01:33:51.78
IV.CSNT.HHN. ML:1.2 0.0000964 1.42 AML other m 2016-12-08T01:33:52.71
IV.FROS.HHE. ML:1.9 0.0002165 0.38 AML other m 2016-12-08T01:33:56.49
IV.FROS.HHN. ML:1.8 0.000179 1.3 AML other m 2016-12-08T01:33:57.11
IV.OSSC.HHE. ML:1.5 0.0002195 1.7 AML other m 2016-12-08T01:33:50.11
IV.OSSC.HHN. ML:1.5 0.0002285 0.32 AML other m 2016-12-08T01:33:50.72
IV.TRIF.HHN. ML:1.5 0.0000787 0.4 AML other m 2016-12-08T01:34:00.25
IV.TRIF.HHE. ML:1.6 0.00009325 1.24 AML other m 2016-12-08T01:34:00.29
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