Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 11-05-2018 and time 09:59:15 (Italy) in region 6 km W Vecchiano (PI)

A magnitude ML 2.4 earthquake occured in region: 6 km W Vecchiano (PI), on

  • 11-05-2018 07:59:15 (UTC)
  • 11-05-2018 09:59:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7780, 10.3080 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
Vecchiano PI 6 12189 12189
Pisa PI 10 89158 101347
Massarosa LU 11 22471 123818
San Giuliano Terme PI 11 31399 155217
Viareggio LU 11 62467 217684
Lucca LU 17 89046 306730
Calci PI 18 6426 313156
Camaiore LU 18 32513 345669

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NW of Pisa (89158 inhabitants)
11 Km SE of Viareggio (62467 inhabitants)
17 Km W of Lucca (89046 inhabitants)
25 Km N of Livorno (159219 inhabitants)
32 Km SE of Massa (69479 inhabitants)
37 Km SE of Carrara (63133 inhabitants)
52 Km W of Pistoia (90315 inhabitants)
53 Km SE of La Spezia (93959 inhabitants)
64 Km W of Prato (191150 inhabitants)
70 Km W of Scandicci (50609 inhabitants)
76 Km W of Firenze (382808 inhabitants)
97 Km NW of Siena (53903 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 2018-05-11
07:59:15		 43.7777 10.308 6 2019-04-24
14:50:57		 Bollettino Sismico Italiano INGV 62517561
Reviewed
Rev100 		ML 2.4 2018-05-11
07:59:16		 43.7902 10.3208 8 2018-05-11
08:11:25		 Sala Sismica INGV-Roma 56752261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-11 07:59:15 ± 0.21
Latitude 43.7777 ± 0.0063
Longitude 10.3080 ± 0.0137
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 62517561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1048
Semi-minor axis of confidence ellipse (meter) 514
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 69
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.28153
Number of stations at which the event was observed 50
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 62517561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-29 11:29:22

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 56752261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-11 08:11:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HNZ. 2018-05-11T08:00:15.42 3.0 undecidable manual Sn -9.99 0
IV.FIU.EHZ. 2018-05-11T08:00:08.45 3.0 undecidable manual Sn -7.75 0
IV.SENI.EHZ. 2018-05-11T08:00:08.00 3.0 undecidable manual Sg 12.41 0
IV.IVGP.HHZ. 2018-05-11T08:00:07.32 3.0 undecidable manual Sg 3.63 0
MN.CEL.HHZ. 2018-05-11T08:00:05.36 3.0 undecidable manual Sn -9.99 0
SI.LUSI.HHZ. 2018-05-11T07:59:55.20 3.0 negative manual Pg 6.02 0
ST.DOSS.HHZ. 2018-05-11T07:59:54.83 3.0 negative manual Pg 7.08 0
IV.FDMO.HHZ. 2018-05-11T07:59:53.76 3.0 undecidable manual Sg 14.53 0
IV.T1219.EHZ. 2018-05-11T07:59:53.30 3.0 undecidable manual Sg 14.07 0
IV.ROVR.HHZ. 2018-05-11T07:59:52.22 3.0 undecidable manual Pg 7.48 0
IV.TEOL.HHZ. 2018-05-11T07:59:51.71 3.0 undecidable manual Pg 11.55 0
AC.VLO.HHZ. 2018-05-11T07:59:47.94 3.0 undecidable manual Pn -7.59 0
IV.ILLI.HHZ. 2018-05-11T07:59:46.52 3.0 undecidable manual Sn -9.99 0
GU.CANO.HHZ. 2018-05-11T07:59:45.97 3.0 negative manual Pg 7.25 0
IV.PARC.HHZ. 2018-05-11T07:59:42.13 3.0 undecidable manual Sn -9.22 0
GU.GRAM.HHZ. 2018-05-11T07:59:41.90 0.3 undecidable manual S 346 81.4518 50 0.82 54
IV.CSNT.HHZ. 2018-05-11T07:59:41.80 0.3 undecidable manual S 113 85.7475 50 -0.43 62
IV.ARCI.HHZ. 2018-05-11T07:59:40.66 0.3 undecidable manual P 137 139.3605 50 1.33 37
IV.CAFI.HHZ. 2018-05-11T07:59:40.84 0.3 undecidable manual P 110 142.2465 50 1.06 43
GU.RNCA.HHZ. 2018-05-11T07:59:39.45 0.6 undecidable manual P 306 132.6672 50 1.15 28
IV.CRE.HHZ. 2018-05-11T07:59:39.47 0.3 undecidable manual P 97 132.9669 50 1.12 42
GU.GSCL.HHZ. 2018-05-11T07:59:37.30 0.3 undecidable manual S 19 67.377 50 -0.01 70
IV.CASP.HHZ. 2018-05-11T07:59:35.88 0.3 undecidable manual P 157 118.3926 50 -0.21 60
IV.MAGO.HHZ. 2018-05-11T07:59:35.10 0.3 undecidable manual S 153 62.5929 50 -0.95 53
GU.FIVI.HNZ. 2018-05-11T07:59:33.50 0.6 undecidable manual S 344 53.2023 50 -0.03 47
IV.ZONE.HHZ. 2018-05-11T07:59:33.04 3.0 undecidable manual Pn -9.99 0
IV.CRMI.HHZ. 2018-05-11T07:59:33.20 0.6 undecidable manual S 88 53.8017 50 -0.49 43
IV.SEI.HHZ. 2018-05-11T07:59:32.12 0.1 positive manual P 70 89.3439 50 0.49 80
IV.ZCCA.HHZ. 2018-05-11T07:59:32.88 0.1 undecidable manual P 40 82.9503 50 2.24 28
IV.TRIF.HHZ. 2018-05-11T07:59:31.43 0.1 negative manual P 147 87.7455 50 0.05 88
GU.GRAM.HHZ. 2018-05-11T07:59:31.04 0.1 negative manual P 346 81.4518 50 0.63 77
IV.CSNT.HHZ. 2018-05-11T07:59:31.58 0.1 undecidable manual P 113 85.7475 50 0.5 81
GU.POPM.HHZ. 2018-05-11T07:59:31.00 0.6 undecidable manual S 50 46.5201 50 -0.75 39
GU.SARM.EHZ. 2018-05-11T07:59:30.60 0.3 undecidable manual S 9 45.7209 50 -0.92 55
IV.PLMA.HHZ. 2018-05-11T07:59:30.60 0.3 undecidable manual S 310 47.2194 50 -1.33 45
IV.FNVD.HHZ. 2018-05-11T07:59:30.40 0.3 undecidable manual P 56 78.1662 50 0.5 61
IV.MOCL.EHZ. 2018-05-11T07:59:29.52 0.3 undecidable manual P 70 74.1702 50 0.23 66
GU.EQUI.HHZ. 2018-05-11T07:59:29.80 0.3 undecidable manual S 344 44.8218 50 -1.49 41
MN.VLC.HHZ. 2018-05-11T07:59:29.90 0.3 undecidable manual S 8 42.8238 50 -0.86 57
Z3.A319A.HHE. 2018-05-11T07:59:28.60 0.3 undecidable manual S 147 39.8268 99 -1.25 47
IV.BDI.HHZ. 2018-05-11T07:59:28.80 0.3 undecidable manual S 36 39.1275 99 -0.79 59
GU.GSCL.HHZ. 2018-05-11T07:59:28.89 0.1 undecidable manual P 19 67.377 50 0.66 79
IV.MPPT.EHZ. 2018-05-11T07:59:28.13 0.1 positive manual P 72 65.6898 50 0.16 90
IV.MTCR.EHZ. 2018-05-11T07:59:27.68 0.1 positive manual P 63 62.0934 50 0.26 89
IV.MAGO.HHZ. 2018-05-11T07:59:27.38 0.1 undecidable manual P 153 62.5929 50 -0.13 91
IV.CRMI.HHZ. 2018-05-11T07:59:26.33 0.1 positive manual P 88 53.8017 50 0.18 92
GU.FIVI.HNZ. 2018-05-11T07:59:26.22 0.1 undecidable manual P 344 53.2023 50 0.17 92
GU.CARD.HHZ. 2018-05-11T07:59:26.40 0.1 undecidable manual S 27 30.8469 102 -0.38 92
IV.PLMA.HHZ. 2018-05-11T07:59:25.02 0.3 undecidable manual P 310 47.2194 50 -0.11 71
GU.POPM.HHZ. 2018-05-11T07:59:24.99 0.1 positive manual P 50 46.5201 50 -0.04 96
MN.VLC.HHZ. 2018-05-11T07:59:24.26 0.3 negative manual P 8 42.8238 50 -0.19 70
GU.SARM.EHZ. 2018-05-11T07:59:24.73 0.1 negative manual P 9 45.7209 50 -0.16 94
GU.EQUI.HHZ. 2018-05-11T07:59:24.54 0.1 negative manual P 344 44.8218 50 -0.22 93
IV.IVGP.HHZ. 2018-05-11T07:59:23.18 3.0 negative manual Pg -0.27 0
Z3.A319A.HHE. 2018-05-11T07:59:23.60 0.1 undecidable manual P 147 39.8268 99 -0.33 91
IV.BDI.HHZ. 2018-05-11T07:59:23.68 0.1 positive manual P 36 39.1275 99 -0.1 96
GU.MAIM.HHZ. 2018-05-11T07:59:23.60 0.1 undecidable manual S 44 21.0678 107 0.11 99
IV.PII.HHZ. 2018-05-11T07:59:22.10 0.3 undecidable manual S 109 18.4704 109 -0.52 68
GU.CARD.HHZ. 2018-05-11T07:59:22.34 0.1 positive manual P 27 30.8469 102 0.18 96
GU.MAIM.HHZ. 2018-05-11T07:59:20.77 0.1 positive manual P 44 21.0678 107 0.51 90
IV.PII.HHZ. 2018-05-11T07:59:19.68 0.1 positive manual P 109 18.4704 109 -0.07 100
IV.CERT.HHZ. 2018-05-11T07:59:15.31 3.0 undecidable manual Sn 1.1 0
IV.ILLI.HHZ. 2018-05-11T07:59:12.66 3.0 negative manual Pn -9.99 0
IV.PE3.EHZ. 2018-05-11T07:59:05.22 3.0 positive manual Pn -9.99 0
IV.LPEL.HHZ. 2018-05-11T07:59:01.71 3.0 undecidable manual P -3.35 0
IV.FDMO.HHZ. 2018-05-11T07:58:58.85 3.0 undecidable manual P -9.99 0
OB.GAVE.EHZ. 2018-05-11T07:58:58.54 3.0 positive manual P -6.08 0
IV.LIK.EHZ.01 2018-05-11T07:58:52.51 3.0 negative manual P -3.06 0
IV.VIVA.HHZ. 2018-05-11T07:58:50.46 3.0 negative manual P -1.6 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHE. ML:3.0 0.00943 0.1 AML other m 2018-05-11T07:59:22.33
IV.PII.HHN. ML:3.2 0.01475 0.28 AML other m 2018-05-11T07:59:22.28
GU.MAIM.HHE. ML:2.7 0.00344 1.48 AML other m 2018-05-11T07:59:23.95
GU.MAIM.HHN. ML:2.7 0.00395 0.58 AML other m 2018-05-11T07:59:24.01
GU.CARD.HHE. ML:2.9 0.00392 1.2 AML other m 2018-05-11T07:59:27.70
GU.CARD.HHN. ML:3.0 0.004974999999999999 0.22 AML other m 2018-05-11T07:59:27.01
IV.BDI.HHE. ML:2.4 0.000975 0.24 AML other m 2018-05-11T07:59:29.46
IV.BDI.HNE. ML:2.5 0.0012245 0.26 AML other m 2018-05-11T07:59:29.46
IV.BDI.HHN. ML:2.5 0.00121 0.4 AML other m 2018-05-11T07:59:29.45
IV.BDI.HNN. ML:2.4 0.0010265 0.58 AML other m 2018-05-11T07:59:29.66
MN.VLC.HNE. ML:2.2 0.0005555000000000001 0.74 AML other m 2018-05-11T07:59:30.47
MN.VLC.HHE. ML:2.2 0.0005974999999999999 0.74 AML other m 2018-05-11T07:59:30.84
GU.EQUI.HHE. ML:2.4 0.0007085 0.64 AML other m 2018-05-11T07:59:30.33
GU.EQUI.HHN. ML:2.4 0.000763 0.34 AML other m 2018-05-11T07:59:30.98
MN.VLC.HNN. ML:2.3 0.000732 0.82 AML other m 2018-05-11T07:59:30.86
MN.VLC.HHN. ML:2.3 0.0007170000000000001 0.82 AML other m 2018-05-11T07:59:30.45
GU.SARM.EHN. ML:2.7 0.0016749999999999998 0.4 AML other m 2018-05-11T07:59:31.64
GU.SARM.EHE. ML:2.6 0.0012749999999999999 0.4 AML other m 2018-05-11T07:59:31.70
GU.POPM.HHE. ML:2.6 0.0013 0.3 AML other m 2018-05-11T07:59:32.11
GU.POPM.HHN. ML:2.7 0.0015 0.14 AML other m 2018-05-11T07:59:32.34
IV.PLMA.HHE. ML:2.0 0.000292 1.66 AML other m 2018-05-11T07:59:34.84
GU.FIVI.HNN. ML:2.6 0.0009075 0.14 AML other m 2018-05-11T07:59:34.16
IV.PLMA.HHN. ML:2.1 0.00034899999999999997 0.18 AML other m 2018-05-11T07:59:34.29
GU.FIVI.HNE. ML:2.7 0.0012684999999999999 0.18 AML other m 2018-05-11T07:59:34.30
IV.TRIF.HHN. ML:2.1 0.000143 0.42 AML other m 2018-05-11T07:59:34.82
IV.CRMI.HHN. ML:2.0 0.0002515 0.66 AML other m 2018-05-11T07:59:34.61
IV.CRMI.HNN. ML:2.0 0.000237 0.66 AML other m 2018-05-11T07:59:34.61
IV.CRMI.HNE. ML:2.0 0.00023549999999999998 1.14 AML other m 2018-05-11T07:59:37.58
IV.CRMI.HHE. ML:2.0 0.00023649999999999998 1.14 AML other m 2018-05-11T07:59:37.58
IV.MTCR.EHE. ML:2.3 0.0003745 0.34 AML other m 2018-05-11T07:59:37.37
GU.GSCL.HHE. ML:2.8 0.0011495 0.24 AML other m 2018-05-11T07:59:37.78
GU.GSCL.HHN. ML:2.8 0.0010605 0.26 AML other m 2018-05-11T07:59:37.82
IV.MTCR.EHN. ML:2.2 0.000356 0.66 AML other m 2018-05-11T07:59:40.81
IV.MOCL.EHE. ML:2.4 0.00041749999999999996 0.66 AML other m 2018-05-11T07:59:42.22
IV.MOCL.EHN. ML:2.4 0.0004325 0.34 AML other m 2018-05-11T07:59:42.63
IV.ARCI.HHE. ML:1.6 0.000023449999999999997 0.42 AML other m 2018-05-11T07:59:42.86
GU.GRAM.HHE. ML:2.8 0.000984 1.56 AML other m 2018-05-11T07:59:43.87
GU.GRAM.HHN. ML:2.9 0.00118 1.56 AML other m 2018-05-11T07:59:43.88
IV.TRIF.HHE. ML:2.2 0.0001905 0.16 AML other m 2018-05-11T07:59:43.92
IV.FNVD.HHN. ML:2.2 0.0002065 0.68 AML other m 2018-05-11T07:59:44.37
IV.CSNT.HHN. ML:2.3 0.000248 0.4 AML other m 2018-05-11T07:59:44.62
IV.FNVD.HHE. ML:2.1 0.0001995 0.58 AML other m 2018-05-11T07:59:44.92
IV.CSNT.HHE. ML:2.1 0.0001525 0.42 AML other m 2018-05-11T07:59:45.04
IV.ZCCA.HHN. ML:2.3 0.0002855 0.82 AML other m 2018-05-11T07:59:47.83
IV.SEI.HHE. ML:2.5 0.00040649999999999996 0.36 AML other m 2018-05-11T07:59:47.56
IV.SEI.HHN. ML:2.6 0.000521 0.3 AML other m 2018-05-11T07:59:47.57
IV.ZCCA.HHE. ML:2.2 0.000203 0.86 AML other m 2018-05-11T07:59:48.54
IV.CASP.HHE. ML:2.0 0.00006884999999999999 0.84 AML other m 2018-05-11T07:59:52.39
IV.CASP.HHN. ML:2.1 0.00009305 0.46 AML other m 2018-05-11T07:59:52.49
IV.CRE.HHE. ML:2.1 0.00007875 0.78 AML other m 2018-05-11T07:59:56.10
IV.CRE.HHN. ML:2.2 0.00008945 0.26 AML other m 2018-05-11T07:59:56.44
GU.RNCA.HHE. ML:2.0 0.000066 0.96 AML other m 2018-05-11T07:59:57.61
GU.RNCA.HHN. ML:2.0 0.00007085 1.54 AML other m 2018-05-11T07:59:57.06
IV.PARC.HHN. ML:2.0 0.00004605 1.2 AML other m 2018-05-11T08:00:02.25
IV.PARC.HHE. ML:1.9 0.000035699999999999994 0.6 AML other m 2018-05-11T08:00:05.59
IV.ARCI.HHN. ML:1.6 0.00002615 1.06 AML other m 2018-05-11T08:00:07.84
GU.CANO.HHN. ML:2.4 0.00009340000000000001 0.86 AML other m 2018-05-11T08:00:14.40
GU.CANO.HHE. ML:2.4 0.00010125000000000001 1.2 AML other m 2018-05-11T08:00:16.26
IV.TEOL.HHN. ML:2.6 0.0001125 0.92 AML other m 2018-05-11T08:00:21.66
IV.TEOL.HHE. ML:2.9 0.000237 0.62 AML other m 2018-05-11T08:00:22.52
IV.ROVR.HHE. ML:2.1 0.0000314 0.36 AML other m 2018-05-11T08:00:24.58
IV.ROVR.HHN. ML:2.2 0.00004465 0.98 AML other m 2018-05-11T08:00:26.39
ST.DOSS.HHE. ML:2.4 0.000054199999999999996 0.98 AML other m 2018-05-11T08:00:29.06
SI.LUSI.HHE. ML:2.6 0.0000798 0.64 AML other m 2018-05-11T08:00:32.25
SI.LUSI.HHN. ML:2.8 0.0001105 0.84 AML other m 2018-05-11T08:00:34.65
ST.DOSS.HHN. ML:2.4 0.0000574 0.46 AML other m 2018-05-11T08:00:40.34
IV.ZONE.HHE. ML:2.7 0.00012690000000000002 0.28 AML other m 2018-05-11T08:00:41.51
IV.ZONE.HHN. ML:2.6 0.0000993 0.26 AML other m 2018-05-11T08:00:43.90
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