Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 11-03-2018 and time 21:42:05 (Italy) in region 2 km E Barberino Val d'Elsa (FI)

A magnitude ML 2.4 earthquake occured in region: 2 km E Barberino Val d'Elsa (FI), on

  • 11-03-2018 20:42:05 (UTC)
  • 11-03-2018 21:42:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5420, 11.2020 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.

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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
Barberino Val d'Elsa FI 2 4386 4386
Tavarnelle Val di Pesa FI 3 7800 12186
Poggibonsi SI 9 29196 41382
Castellina in Chianti SI 10 2859 44241
Greve in Chianti FI 11 13862 58103
San Casciano in Val di Pesa FI 13 17062 75165
Certaldo FI 13 16121 91286
Colle di Val d'Elsa SI 15 21620 112906
San Gimignano SI 15 7820 120726
Radda in Chianti SI 15 1613 122339
Montespertoli FI 15 13537 135876
Monteriggioni SI 17 9810 145686
Impruneta FI 17 14615 160301
Castelfiorentino FI 20 17504 177805

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km S of Scandicci (50609 inhabitants)
26 Km S of Firenze (382808 inhabitants)
27 Km NW of Siena (53903 inhabitants)
39 Km S of Prato (191150 inhabitants)
49 Km SE of Pistoia (90315 inhabitants)
56 Km W of Arezzo (99543 inhabitants)
66 Km SE of Lucca (89046 inhabitants)
67 Km E of Pisa (89158 inhabitants)
72 Km E of Livorno (159219 inhabitants)
85 Km E of Viareggio (62467 inhabitants)
87 Km N of Grosseto (82087 inhabitants)
99 Km SW of Imola (69797 inhabitants)
99 Km SW of Faenza (58541 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 2.4 2018-03-11
20:42:05		 43.542 11.2022 8 2019-04-24
14:49:32		 Bollettino Sismico Italiano INGV 56722291
Reviewed
Rev100 		ML 2.4 2018-03-11
20:42:05		 43.5455 11.201 8 2018-03-11
20:57:55		 Sala Sismica INGV-Roma 54531951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-11 20:42:05 ± 0.06
Latitude 43.5420 ± 0.0027
Longitude 11.2022 ± 0.0050
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 56722291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 336
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92091
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 56722291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-10 13:26:47

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 54531951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-11 20:57:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CIMA.HNZ. 2018-03-11T20:43:01.75 3.0 undecidable manual Sn -1.36 0
IV.VIVA.HHZ. 2018-03-11T20:42:45.28 3.0 positive manual Pg 3.04 0
IV.FOSV.EHZ. 2018-03-11T20:42:44.44 3.0 undecidable manual S -2.79 0
IV.LNSS.HHZ. 2018-03-11T20:42:39.63 3.0 undecidable manual Pg 4.15 0
IV.SACS.HNE. 2018-03-11T20:42:35.30 1.0 undecidable manual S 143 95.8263 50 0.95 16
IV.CSP1.EHZ. 2018-03-11T20:42:35.99 3.0 undecidable manual P 2.08 0
MN.VLC.HHZ. 2018-03-11T20:42:34.10 0.3 undecidable manual S 317 94.6386 50 0.09 64
IV.CASP.HHZ. 2018-03-11T20:42:32.60 1.0 undecidable manual S 198 87.6456 50 0.43 20
IV.ATMI.HHZ. 2018-03-11T20:42:32.90 1.0 undecidable manual S 105 88.9443 50 0.41 20
GU.CARD.HHZ. 2018-03-11T20:42:30.80 1.0 undecidable manual S 313 78.7656 50 1 16
IV.ARCI.HHE. 2018-03-11T20:42:29.70 1.0 undecidable manual S 164 79.6647 50 -0.33 21
IV.BDI.HHZ. 2018-03-11T20:42:29.10 0.6 undecidable manual S 320 75.4689 50 0.19 43
IV.SSP9.EHZ. 2018-03-11T20:42:29.20 1.0 undecidable manual S 87 74.7696 50 0.48 20
IV.LMD.HHZ. 2018-03-11T20:42:28.30 0.6 undecidable manual S 34 71.8725 50 0.35 42
GU.POPM.HHZ. 2018-03-11T20:42:27.30 0.6 undecidable manual S 328 66.1893 50 0.86 35
GU.MAIM.HHZ. 2018-03-11T20:42:26.80 0.6 undecidable manual S 306 70.374 50 -0.75 37
IV.CAFI.HHZ. 2018-03-11T20:42:26.10 0.6 undecidable manual S 111 65.8896 50 -0.26 43
IV.RIBO.EHZ. 2018-03-11T20:42:26.50 1.0 undecidable manual S 191 66.9774 50 -0.14 22
IV.SFI.EHZ. 2018-03-11T20:42:26.10 0.6 undecidable manual S 52 65.49 50 -0.15 44
IV.CRE.HHZ. 2018-03-11T20:42:24.80 0.6 undecidable manual S 82 60.7947 50 -0.2 44
IV.GROG.HHE. 2018-03-11T20:42:24.37 3.0 undecidable manual P 0.49 0
IV.SEI.HHZ. 2018-03-11T20:42:23.90 1.0 undecidable manual S 12 58.1973 50 -0.4 21
IV.PII.HHZ. 2018-03-11T20:42:23.80 0.3 undecidable manual S 290 57.8976 50 -0.43 64
IV.MGAB.HNE. 2018-03-11T20:42:23.60 1.0 undecidable manual P 133 101.4207 50 0.53 19
IV.MTCR.EHZ. 2018-03-11T20:42:23.90 0.6 undecidable manual S 344 56.1993 50 0.12 45
IV.MAGO.HHZ. 2018-03-11T20:42:22.70 1.0 undecidable manual S 236 53.0025 50 -0.22 22
IV.TRIF.HHZ. 2018-03-11T20:42:22.70 0.6 undecidable manual S 207 53.2023 50 -0.26 44
IV.SACS.HNE. 2018-03-11T20:42:22.41 0.6 undecidable manual P 143 95.8263 50 0.2 41
GU.GSCL.HHZ. 2018-03-11T20:42:22.70 1.0 undecidable manual P 332 102.2199 50 -0.49 19
IV.ATMI.HHZ. 2018-03-11T20:42:22.00 1.0 undecidable manual P 105 88.9443 50 0.86 17
IV.MPPT.EHZ. 2018-03-11T20:42:21.30 0.6 undecidable manual S 349 46.9197 50 0 47
IV.CASP.HHZ. 2018-03-11T20:42:21.73 1.0 undecidable manual P 198 87.6456 50 0.77 18
MN.VLC.HHZ. 2018-03-11T20:42:21.17 1.0 undecidable manual P 317 94.6386 50 -0.85 17
TV.SF03.EHE. 2018-03-11T20:42:21.67 1.0 undecidable manual P 154 90.8424 50 0.23 21
IV.MOCL.EHZ. 2018-03-11T20:42:21.80 1.0 undecidable manual S 358 51.4152 50 -0.68 20
IV.MCIV.HHE. 2018-03-11T20:42:21.54 1.0 undecidable manual P 155 92.9403 50 -0.23 21
IV.SSP9.EHZ. 2018-03-11T20:42:19.03 0.6 undecidable manual P 87 74.7696 50 0.06 44
IV.ARCI.HHE. 2018-03-11T20:42:19.85 1.0 undecidable manual P 164 79.6647 50 0.13 22
IV.RUFI.EHZ. 2018-03-11T20:42:19.20 0.6 undecidable manual S 37 41.0256 50 -0.52 43
GU.CARD.HHZ. 2018-03-11T20:42:19.83 0.6 undecidable manual P 313 78.7656 50 0.25 42
IV.BDI.HHZ. 2018-03-11T20:42:19.70 0.6 undecidable manual P 320 75.4689 50 0.63 38
IV.FNVD.HHZ. 2018-03-11T20:42:18.18 0.6 undecidable manual P 355 69.6747 50 0 45
GU.MAIM.HHZ. 2018-03-11T20:42:18.43 0.6 undecidable manual P 306 70.374 50 0.15 44
IV.RIBO.EHZ. 2018-03-11T20:42:18.22 1.0 undecidable manual P 191 66.9774 50 0.46 21
IV.LMD.HHZ. 2018-03-11T20:42:18.63 0.6 undecidable manual P 34 71.8725 50 0.12 44
IV.FROS.HHZ. 2018-03-11T20:42:18.20 0.6 undecidable manual S 186 37.0296 50 -0.45 44
IV.SFI.EHZ. 2018-03-11T20:42:17.44 0.6 undecidable manual P 52 65.49 50 -0.1 45
GU.POPM.HHZ. 2018-03-11T20:42:17.77 0.6 undecidable manual P 328 66.1893 50 0.13 44
IV.CAFI.HHZ. 2018-03-11T20:42:17.57 0.6 undecidable manual P 111 65.8896 50 -0.03 45
IV.MTCR.EHZ. 2018-03-11T20:42:16.10 0.3 undecidable manual P 344 56.1993 50 0 70
IV.CRE.HHZ. 2018-03-11T20:42:16.87 0.6 undecidable manual P 82 60.7947 50 0.05 46
IV.PII.HHZ. 2018-03-11T20:42:16.48 0.3 undecidable manual P 290 57.8976 50 0.11 68
IV.SEI.HHZ. 2018-03-11T20:42:16.37 0.6 undecidable manual P 12 58.1973 50 -0.04 46
IV.MOCL.EHZ. 2018-03-11T20:42:15.11 0.6 undecidable manual P 358 51.4152 50 -0.25 45
IV.MAGO.HHZ. 2018-03-11T20:42:15.71 0.3 undecidable manual P 236 53.0025 50 0.1 69
IV.TRIF.HHZ. 2018-03-11T20:42:15.48 0.3 undecidable manual P 207 53.2023 50 -0.16 68
IV.MPPT.EHZ. 2018-03-11T20:42:14.66 0.3 undecidable manual P 349 46.9197 50 -0.02 71
IV.FROS.HHZ. 2018-03-11T20:42:13.11 0.1 positive manual P 186 37.0296 50 -0.04 95
IV.RUFI.EHZ. 2018-03-11T20:42:13.54 0.3 undecidable manual P 37 41.0256 50 -0.23 68
IV.CSNT.HHZ. 2018-03-11T20:42:10.10 0.6 undecidable manual S 137 10.3785 128 -0.1 49
IV.CSNT.HHZ. 2018-03-11T20:42:08.40 0.3 undecidable manual P 137 10.3785 128 0.13 74
IV.OSSC.HHZ. 2018-03-11T20:42:08.50 0.3 undecidable manual S 120 4.0959 153 -0.26 72
IV.OSSC.HHZ. 2018-03-11T20:42:07.53 0.1 undecidable manual P 120 4.0959 153 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.HHN. ML:2.5 0.001245 0.62 AML other m 2018-03-11T20:42:18.95
IV.FROS.HHE. ML:2.8 0.002415 0.64 AML other m 2018-03-11T20:42:18.63
IV.RUFI.EHN. ML:2.2 0.0006465 1.66 AML other m 2018-03-11T20:42:19.02
IV.RUFI.EHE. ML:2.2 0.0005335000000000001 0.96 AML other m 2018-03-11T20:42:19.88
IV.MPPT.EHE. ML:2.8 0.001895 0.46 AML other m 2018-03-11T20:42:21.90
IV.MPPT.EHN. ML:2.5 0.0009904999999999998 0.38 AML other m 2018-03-11T20:42:21.93
IV.TRIF.HHN. ML:2.5 0.0007264999999999999 0.14 AML other m 2018-03-11T20:42:23.90
IV.MAGO.HHE. ML:2.2 0.0004115 1.86 AML other m 2018-03-11T20:42:23.98
IV.MOCL.EHN. ML:2.3 0.0005825 0.8 AML other m 2018-03-11T20:42:24.00
IV.TRIF.HHE. ML:2.4 0.00066 0.18 AML other m 2018-03-11T20:42:24.35
IV.MOCL.EHE. ML:2.4 0.0007099999999999999 0.76 AML other m 2018-03-11T20:42:24.03
IV.CRE.HHE. ML:2.4 0.0004615 0.44 AML other m 2018-03-11T20:42:25.55
IV.CRE.HHN. ML:2.4 0.000568 1.74 AML other m 2018-03-11T20:42:26.89
IV.MAGO.HHN. ML:2.3 0.000475 0.3 AML other m 2018-03-11T20:42:26.44
IV.PII.HHE. ML:2.3 0.00041600000000000003 0.18 AML other m 2018-03-11T20:42:26.40
IV.SFI.EHN. ML:2.6 0.0006725 1.04 AML other m 2018-03-11T20:42:26.16
IV.SFI.HNN. ML:2.6 0.0006625 1.06 AML other m 2018-03-11T20:42:26.16
IV.SEI.HHE. ML:2.4 0.000592 1.18 AML other m 2018-03-11T20:42:26.84
IV.SFI.HNE. ML:2.8 0.0010525 0.46 AML other m 2018-03-11T20:42:26.89
IV.SFI.EHE. ML:2.8 0.0010739999999999999 0.44 AML other m 2018-03-11T20:42:26.89
IV.PII.HHN. ML:2.4 0.000572 0.28 AML other m 2018-03-11T20:42:27.51
IV.CAFI.HHN. ML:1.8 0.00011800000000000001 1.04 AML other m 2018-03-11T20:42:28.69
IV.SEI.HHN. ML:2.7 0.001075 0.38 AML other m 2018-03-11T20:42:28.65
IV.LMD.HHE. ML:2.2 0.0002535 0.34 AML other m 2018-03-11T20:42:29.00
IV.LMD.HHN. ML:2.3 0.0003235 0.36 AML other m 2018-03-11T20:42:29.41
GU.POPM.HHE. ML:2.3 0.0003835 1.28 AML other m 2018-03-11T20:42:29.02
GU.MAIM.HHN. ML:2.0 0.00016 0.56 AML other m 2018-03-11T20:42:29.43
GU.POPM.HHN. ML:2.4 0.0004385 0.22 AML other m 2018-03-11T20:42:30.42
GU.MAIM.HHE. ML:1.9 0.000147 1.36 AML other m 2018-03-11T20:42:30.01
IV.CAFI.HHE. ML:1.9 0.0001425 1.02 AML other m 2018-03-11T20:42:30.89
IV.SSP9.EHE. ML:2.3 0.00029700000000000006 0.7 AML other m 2018-03-11T20:42:31.56
IV.BDI.HNN. ML:2.3 0.0003215 0.5 AML other m 2018-03-11T20:42:32.09
IV.BDI.HHN. ML:2.3 0.0002915 1.24 AML other m 2018-03-11T20:42:32.10
GU.CARD.HHN. ML:2.3 0.0002785 0.28 AML other m 2018-03-11T20:42:32.24
GU.CARD.HHE. ML:2.2 0.0002525 1.12 AML other m 2018-03-11T20:42:33.18
IV.SSP9.EHN. ML:2.4 0.0003705 0.8 AML other m 2018-03-11T20:42:34.74
IV.BDI.HNE. ML:2.2 0.0002675 1.42 AML other m 2018-03-11T20:42:35.09
IV.BDI.HHE. ML:2.3 0.00028900000000000003 0.32 AML other m 2018-03-11T20:42:35.64
MN.VLC.HHN. ML:2.1 0.000132 0.64 AML other m 2018-03-11T20:42:36.32
IV.ATMI.HHN. ML:2.6 0.0005124999999999999 1.1 AML other m 2018-03-11T20:42:38.19
IV.ATMI.HHE. ML:2.5 0.000347 0.42 AML other m 2018-03-11T20:42:38.24
GU.GSCL.HHE. ML:2.3 0.00017999999999999998 1.1 AML other m 2018-03-11T20:42:38.10
MN.VLC.HHE. ML:2.1 0.00014150000000000002 0.52 AML other m 2018-03-11T20:42:41.28
GU.GSCL.HHN. ML:2.3 0.0001795 1.54 AML other m 2018-03-11T20:42:47.18
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