Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 01-09-2018 and time 03:02:14 (Italy) in region 3 km NE San Casciano in Val di Pesa (FI)

A magnitude ML 2.0 earthquake occured in region: 3 km NE San Casciano in Val di Pesa (FI), on

  • 01-09-2018 01:02:14 (UTC)
  • 01-09-2018 03:02:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6790, 11.2080 at 6 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Casciano in Val di Pesa FI 3 17062 17062
Impruneta FI 4 14615 31677
Scandicci FI 9 50609 82286
Firenze FI 11 382808 465094
Montespertoli FI 11 13537 478631
Bagno a Ripoli FI 12 25611 504242
Lastra a Signa FI 13 20156 524398
Tavarnelle Val di Pesa FI 13 7800 532198
Greve in Chianti FI 14 13862 546060
Signa FI 15 19179 565239
Barberino Val d'Elsa FI 15 4386 569625
Fiesole FI 16 13969 583594
Montelupo Fiorentino FI 16 14098 597692
Campi Bisenzio FI 17 46166 643858
Sesto Fiorentino FI 17 48958 692816
Figline e Incisa Valdarno FI 20 23505 716321
Poggio a Caiano PO 20 10007 726328
Certaldo FI 20 16121 742449
Capraia e Limite FI 20 7670 750119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km S of Scandicci (50609 inhabitants)
11 Km SW of Firenze (382808 inhabitants)
24 Km SE of Prato (191150 inhabitants)
37 Km SE of Pistoia (90315 inhabitants)
41 Km N of Siena (53903 inhabitants)
59 Km W of Arezzo (99543 inhabitants)
60 Km E of Lucca (89046 inhabitants)
65 Km E of Pisa (89158 inhabitants)
74 Km E of Livorno (159219 inhabitants)
80 Km E of Viareggio (62467 inhabitants)
85 Km SW of Imola (69797 inhabitants)
87 Km SW of Faenza (58541 inhabitants)
90 Km SW of Forlì (117913 inhabitants)
91 Km S of Bologna (386663 inhabitants)
94 Km E of Massa (69479 inhabitants)
97 Km SW of Cesena (96758 inhabitants)
99 Km E of Carrara (63133 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 2.0 2018-09-01
01:02:14		 43.6788 11.2077 6 2019-06-04
09:15:54		 Bollettino Sismico Italiano INGV 61096801
Reviewed
Rev100 		ML 2.0 2018-09-01
01:02:14		 43.6755 11.2197 6 2018-09-01
01:14:26		 Sala Sismica INGV-Roma 60444031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-01 01:02:14 ± 0.09
Latitude 43.6788 ± 0.0036
Longitude 11.2077 ± 0.0062
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 61096801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 265
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.20235
Epicentral distance of station farthest from the epicenter (degree) 0.99195
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 61096801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-09-19 08:04:02

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 60444031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-01 01:14:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2018-09-01T01:02:47.34 0.6 undecidable manual S 98 107.8143 50 0.76 35
TV.SF04.EHZ. 2018-09-01T01:02:44.02 0.6 undecidable manual S 158 100.4217 50 -0.59 38
IV.APEC.HNN. 2018-09-01T01:02:44.50 0.6 undecidable manual S 97 98.2239 50 0.46 40
IV.BADI.EHE. 2018-09-01T01:02:40.69 0.6 undecidable manual S 102 85.3479 50 0.09 45
IV.ATBU.EHZ. 2018-09-01T01:02:33.89 0.1 undecidable manual P 101 110.112 50 0.68 73
IV.PIEI.HHZ. 2018-09-01T01:02:33.15 0.6 undecidable manual P 98 107.8143 50 0.29 41
IV.CRE.HHZ. 2018-09-01T01:02:33.52 0.6 undecidable manual S 96 60.0954 50 -0.33 45
IV.ATLO.EHE. 2018-09-01T01:02:33.22 0.6 undecidable manual P 112 104.6175 50 0.85 34
IV.LMD.HHZ. 2018-09-01T01:02:33.55 0.6 undecidable manual S 42 59.5959 50 -0.17 46
IV.ATPI.EHE. 2018-09-01T01:02:32.03 0.6 undecidable manual P 104 99.3228 50 0.48 40
IV.ATPC.HHE. 2018-09-01T01:02:32.58 0.6 undecidable manual P 102 102.8193 50 0.49 40
TV.SF14.HHN. 2018-09-01T01:02:32.22 0.6 undecidable manual P 162 107.6145 50 -0.61 38
IV.SACS.HHE. 2018-09-01T01:02:32.92 0.6 undecidable manual P 148 108.114 50 0.01 43
IV.ATVA.EHE. 2018-09-01T01:02:32.19 0.6 undecidable manual P 117 97.4247 50 0.92 34
TV.SF01.EHZ. 2018-09-01T01:02:32.39 0.6 undecidable manual P 163 100.3218 50 0.67 37
IV.ATVO.HHN. 2018-09-01T01:02:32.13 0.6 undecidable manual P 108 101.9202 50 0.18 43
TV.SF04.EHZ. 2018-09-01T01:02:31.76 0.6 undecidable manual P 158 100.4217 50 0.04 44
GU.POPM.HHZ. 2018-09-01T01:02:31.87 0.6 undecidable manual S 319 54.3012 50 -0.43 44
IV.APEC.HNN. 2018-09-01T01:02:31.88 0.6 undecidable manual P 97 98.2239 50 0.49 40
TV.SF13.HHN. 2018-09-01T01:02:31.54 0.6 undecidable manual P 161 101.121 50 -0.28 42
IV.ASQU.HHZ. 2018-09-01T01:02:29.87 0.6 undecidable manual S 74 48.4182 50 -0.86 38
IV.PARC.HHE. 2018-09-01T01:02:29.33 0.6 undecidable manual P 92 82.7505 50 0.32 43
MN.VLC.HHZ. 2018-09-01T01:02:29.41 0.6 undecidable manual P 309 84.5487 50 0.13 44
IV.BADI.EHE. 2018-09-01T01:02:29.57 0.6 undecidable manual P 102 85.3479 50 0.17 44
IV.SEI.HHZ. 2018-09-01T01:02:29.63 0.6 undecidable manual S 16 43.3233 97 0.34 46
Z3.A318A.HHZ. 2018-09-01T01:02:28.83 0.6 undecidable manual P 220 80.2641 50 0.21 44
IV.MTCR.EHZ. 2018-09-01T01:02:28.75 0.6 undecidable manual S 337 42.0246 97 -0.09 48
IV.SSP9.EHZ. 2018-09-01T01:02:27.26 0.1 undecidable manual P 99 75.0693 50 -0.56 82
IV.MOCL.EHZ. 2018-09-01T01:02:27.24 0.6 undecidable manual S 357 36.2415 99 0.4 46
IV.CAFI.HHZ. 2018-09-01T01:02:27.49 0.6 undecidable manual P 122 72.2721 50 0.1 46
IV.BDI.HHZ. 2018-09-01T01:02:26.17 0.6 undecidable manual P 311 64.8906 50 -0.08 47
GU.CARD.HHZ. 2018-09-01T01:02:26.98 0.6 undecidable manual P 304 69.6747 50 0 47
IV.TRIF.HHZ. 2018-09-01T01:02:26.46 0.6 undecidable manual P 202 67.1772 50 -0.15 46
GU.MAIM.HHZ. 2018-09-01T01:02:25.81 0.6 undecidable manual P 295 62.9925 50 -0.15 46
IV.MPPT.EHZ. 2018-09-01T01:02:25.59 0.6 undecidable manual S 343 32.3454 100 0.09 49
IV.CRE.HHZ. 2018-09-01T01:02:25.06 0.6 undecidable manual P 96 60.0954 50 -0.45 44
IV.LMD.HHZ. 2018-09-01T01:02:24.99 0.6 undecidable manual P 42 59.5959 50 -0.44 44
IV.RUFI.EHE. 2018-09-01T01:02:24.46 0.3 undecidable manual S 54 29.9478 100 -0.23 72
GU.POPM.HHZ. 2018-09-01T01:02:24.56 0.6 undecidable manual P 319 54.3012 50 -0.06 48
IV.FROS.HHZ. 2018-09-01T01:02:24.16 0.6 undecidable manual P 185 52.2033 50 -0.13 47
IV.ASQU.HHZ. 2018-09-01T01:02:23.10 0.6 undecidable manual P 74 48.4182 50 -0.61 42
IV.CSNT.HHZ. 2018-09-01T01:02:22.24 0.6 undecidable manual S 164 23.754 103 -0.34 48
IV.SEI.HHZ. 2018-09-01T01:02:22.80 0.6 undecidable manual P 16 43.3233 97 -0.08 49
IV.CRMI.HHZ. 2018-09-01T01:02:22.94 0.6 undecidable manual S 305 22.4553 104 0.81 41
IV.MTCR.EHZ. 2018-09-01T01:02:22.16 0.3 undecidable manual P 337 42.0246 97 -0.46 67
IV.MOCL.EHZ. 2018-09-01T01:02:21.12 0.3 undecidable manual P 357 36.2415 99 -0.34 70
IV.MPPT.EHZ. 2018-09-01T01:02:20.57 0.1 positive manual P 343 32.3454 100 -0.12 98
IV.RUFI.EHE. 2018-09-01T01:02:20.17 0.1 positive manual P 54 29.9478 100 -0.05 100
IV.CRMI.HHZ. 2018-09-01T01:02:19.08 0.3 undecidable manual P 305 22.4553 104 0.34 72
IV.CSNT.HHZ. 2018-09-01T01:02:18.73 0.3 undecidable manual P 164 23.754 103 -0.28 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSNT.HHE. ML:0.0 0.0010125431000000001 0.14 AML other m 2018-09-01T01:02:22.79
IV.CSNT.HHN. ML:0.0 0.0013517985000000001 0.22 AML other m 2018-09-01T01:02:22.80
IV.CRMI.HHN. ML:0.0 0.00040749939999999994 0.28 AML other m 2018-09-01T01:02:23.63
IV.CRMI.HNN. ML:0.0 0.0003751643 0.28 AML other m 2018-09-01T01:02:23.64
IV.CRMI.HHE. ML:0.0 0.00040786675 0.24 AML other m 2018-09-01T01:02:23.15
IV.CRMI.HNE. ML:0.0 0.00039575115 0.26 AML other m 2018-09-01T01:02:23.16
IV.MPPT.EHN. ML:0.0 0.0003336193 0.24 AML other m 2018-09-01T01:02:26.19
IV.MPPT.EHE. ML:0.0 0.00032956574999999996 0.46 AML other m 2018-09-01T01:02:25.83
IV.MOCL.EHE. ML:0.0 0.0008468079 0.18 AML other m 2018-09-01T01:02:27.60
IV.MOCL.EHN. ML:0.0 0.0012957234999999999 0.22 AML other m 2018-09-01T01:02:28.26
IV.MTCR.EHE. ML:0.0 0.00022347695 0.18 AML other m 2018-09-01T01:02:29.61
IV.ASQU.HHN. ML:0.0 0.000141634645 0.32 AML other m 2018-09-01T01:02:30.14
IV.MTCR.EHN. ML:0.0 0.0002704974 0.22 AML other m 2018-09-01T01:02:30.19
IV.SEI.HHN. ML:0.0 0.001778341 0.22 AML other m 2018-09-01T01:02:30.55
IV.ASQU.HHE. ML:0.0 0.00014455335999999998 0.38 AML other m 2018-09-01T01:02:30.93
IV.SEI.HHE. ML:0.0 0.0008824627499999999 0.24 AML other m 2018-09-01T01:02:31.53
GU.POPM.HHE. ML:0.0 0.0006389868 0.24 AML other m 2018-09-01T01:02:32.76
GU.POPM.HHN. ML:0.0 0.00078040385 0.22 AML other m 2018-09-01T01:02:32.79
IV.LMD.HHE. ML:0.0 0.0001582909 0.14 AML other m 2018-09-01T01:02:34.36
IV.LMD.HHN. ML:0.0 0.0001239745 0.2 AML other m 2018-09-01T01:02:34.36
IV.CRE.HHE. ML:0.0 0.00013157515 0.32 AML other m 2018-09-01T01:02:34.41
IV.CRE.HHN. ML:2.0 0.000203 0.74 AML other m 2018-09-01T01:02:35.58
IV.CAFI.HHN. ML:1.7 0.0000853 0.36 AML other m 2018-09-01T01:02:36.79
GU.MAIM.HHE. ML:1.8 0.000136 1.14 AML other m 2018-09-01T01:02:36.91
GU.MAIM.HHN. ML:1.8 0.00013350000000000002 1.34 AML other m 2018-09-01T01:02:36.25
IV.BDI.HHN. ML:2.1 0.0002275 0.5 AML other m 2018-09-01T01:02:38.26
IV.BDI.HNN. ML:2.1 0.0002415 1.02 AML other m 2018-09-01T01:02:38.02
GU.CARD.HHE. ML:2.0 0.0001605 0.94 AML other m 2018-09-01T01:02:38.84
IV.CAFI.HHE. ML:1.6 0.00006970000000000001 0.98 AML other m 2018-09-01T01:02:38.66
IV.BDI.HHE. ML:2.1 0.0002125 1.1 AML other m 2018-09-01T01:02:39.20
IV.BDI.HNE. ML:2.1 0.000214 1.12 AML other m 2018-09-01T01:02:39.76
GU.CARD.HHN. ML:2.1 0.0001955 0.3 AML other m 2018-09-01T01:02:40.48
GU.SARM.EHE. ML:2.6 0.0004745384499999999 0.46 AML other m 2018-09-01T01:02:44.04
GU.SARM.EHN. ML:2.7 0.0007388561 0.56 AML other m 2018-09-01T01:02:43.75
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
Waveforms Seismic signals in miniseed + resp format Download