Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 15-03-2017 and time 18:28:36 (Italy) in region 3 km SE Forte dei Marmi (LU)

A magnitude ML 2.0 earthquake occured in region: 3 km SE Forte dei Marmi (LU), on

  • 15-03-2017 17:28:36 (UTC)
  • 15-03-2017 18:28:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9420, 10.1880 at 5 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
Forte dei Marmi LU 3 7510 7510
Pietrasanta LU 4 24007 31517
Seravezza LU 7 13073 44590
Montignoso MS 9 10323 54913
Camaiore LU 9 32513 87426
Viareggio LU 10 62467 149893
Stazzema LU 11 3193 153086
Massa MS 11 69479 222565
Massarosa LU 15 22471 245036
Carrara MS 17 63133 308169
Pescaglia LU 18 3526 311695
Ortonovo SP 20 8277 319972
Fabbriche di Vergemoli LU 20 768 320740

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NW of Viareggio (62467 inhabitants)
11 Km SE of Massa (69479 inhabitants)
17 Km SE of Carrara (63133 inhabitants)
27 Km W of Lucca (89046 inhabitants)
30 Km NW of Pisa (89158 inhabitants)
34 Km SE of La Spezia (93959 inhabitants)
44 Km N of Livorno (159219 inhabitants)
59 Km W of Pistoia (90315 inhabitants)
73 Km W of Prato (191150 inhabitants)
82 Km W of Scandicci (50609 inhabitants)
88 Km W of Firenze (382808 inhabitants)
91 Km SW of Reggio nell'Emilia (171345 inhabitants)
96 Km S of Parma (192836 inhabitants)
98 Km SW of Modena (184973 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 2017-03-15
17:28:36		 43.9422 10.1877 5 2018-01-10
09:55:05		 Bollettino Sismico Italiano INGV 50705111
Reviewed
Rev100 		ML 2.1 2017-03-15
17:28:36		 43.9388 10.1818 4 2017-03-15
17:49:18		 Sala Sismica INGV-Roma 42455891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-15 17:28:36 ± 0.08
Latitude 43.9422 ± 0.0045
Longitude 10.1877 ± 0.0062
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50705111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.22033
Epicentral distance of station farthest from the epicenter (degree) 1.50816
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 23
Type of magnitude ML
Reference to an origin 42455891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-15 17:49:18

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 43
Type of magnitude ML
Reference to an origin 50705111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-06 09:16:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RNCA.HHZ. 2017-03-15T17:29:11.08 0.6 undecidable manual S 301 114.4965 50 0.24 41
IV.RUFI.EHZ. 2017-03-15T17:29:09.70 0.6 undecidable manual S 96 106.3158 50 1.06 31
IV.PARC.HHE. 2017-03-15T17:29:04.51 0.6 undecidable manual P 101 167.4102 50 0.05 36
GU.PCP.HHZ. 2017-03-15T17:29:01.45 0.6 undecidable manual P 298 146.4423 50 0.22 38
IV.CRE.HHE. 2017-03-15T17:29:01.51 0.6 undecidable manual P 104 145.743 50 0.39 37
IV.QLNO.HHE. 2017-03-15T17:29:01.25 0.6 undecidable manual P 287 152.6361 50 -0.93 29
IV.CASP.HHE. 2017-03-15T17:28:59.57 0.6 undecidable manual P 157 138.9609 50 -0.5 37
IV.ASQU.HHE. 2017-03-15T17:28:58.93 0.6 undecidable manual P 97 129.0708 50 0.38 38
IV.LMD.HHE. 2017-03-15T17:28:58.02 0.6 undecidable manual P 82 122.1888 50 0.53 37
GU.GRAM.HHZ. 2017-03-15T17:28:57.16 0.6 undecidable manual S 351 61.6938 50 0.43 43
GU.RNCA.HHZ. 2017-03-15T17:28:56.83 0.6 undecidable manual P 301 114.4965 50 0.52 38
IV.BOB.HNE. 2017-03-15T17:28:56.10 0.6 undecidable manual P 328 108.8133 50 0.68 36
IV.TRIF.HHZ. 2017-03-15T17:28:55.52 0.6 undecidable manual P 148 108.3138 50 0.17 42
IV.RUFI.EHZ. 2017-03-15T17:28:55.43 0.6 undecidable manual P 96 106.3158 50 0.39 40
GU.GORR.HHZ. 2017-03-15T17:28:54.47 0.6 undecidable manual P 316 102.4197 50 0.02 44
IV.CSNT.HHZ. 2017-03-15T17:28:54.84 0.6 undecidable manual P 120 102.6195 50 0.37 41
IV.OSSC.HHZ. 2017-03-15T17:28:53.76 0.6 undecidable manual P 118 96.7254 50 0.2 43
IV.SEI.HHZ. 2017-03-15T17:28:53.45 0.6 undecidable manual P 82 94.239 50 0.26 42
IV.FNVD.HHZ. 2017-03-15T17:28:51.12 0.6 undecidable manual P 71 78.6657 50 0.34 43
IV.MAGO.HHZ. 2017-03-15T17:28:51.56 0.6 undecidable manual P 153 83.25 50 0.07 45
IV.MOCL.EHZ. 2017-03-15T17:28:50.97 0.3 undecidable manual P 85 79.5648 50 0.04 68
IV.MPPT.EHZ. 2017-03-15T17:28:49.67 0.3 undecidable manual P 88 72.0723 50 -0.1 68
IV.PII.HHZ. 2017-03-15T17:28:48.31 0.6 undecidable manual S 132 36.4413 98 -0.9 38
IV.CRMI.HHZ. 2017-03-15T17:28:48.55 0.3 undecidable manual P 104 65.3901 50 -0.18 68
GU.GRAM.HHZ. 2017-03-15T17:28:48.12 0.3 undecidable manual P 351 61.6938 50 -0.05 70
IV.BDI.HHZ. 2017-03-15T17:28:48.33 0.6 undecidable manual S 67 35.2425 98 -0.47 45
IV.MSSA.HHZ. 2017-03-15T17:28:48.54 0.3 undecidable manual P 308 67.5768 50 -0.54 62
GU.SARM.EHZ. 2017-03-15T17:28:47.37 0.6 undecidable manual S 32 31.746 99 -0.25 48
GU.GSCL.HHZ. 2017-03-15T17:28:47.29 0.3 undecidable manual P 35 55.4001 50 0.09 71
IV.GROG.HHE. 2017-03-15T17:28:47.78 0.6 undecidable manual P 203 61.9935 50 -0.43 43
GU.FIVI.HNE. 2017-03-15T17:28:47.62 0.6 undecidable manual S 352 33.3444 99 -0.53 44
MN.VLC.HHZ. 2017-03-15T17:28:46.38 0.6 undecidable manual S 33 28.8489 100 -0.24 48
GU.CARD.HHZ. 2017-03-15T17:28:45.20 0.6 undecidable manual S 68 25.2525 101 -0.2 49
GU.MAIM.HHZ. 2017-03-15T17:28:44.80 0.6 undecidable manual S 97 24.4533 102 -0.33 47
GU.EQUI.HHZ. 2017-03-15T17:28:44.63 0.6 undecidable manual S 354 24.9528 101 -0.68 43
IV.BDI.HHZ. 2017-03-15T17:28:43.42 0.3 undecidable manual P 67 35.2425 98 -0.16 72
GU.FIVI.HNE. 2017-03-15T17:28:43.25 0.6 undecidable manual P 352 33.3444 99 0.04 50
IV.PII.HHZ. 2017-03-15T17:28:43.56 0.1 undecidable manual P 132 36.4413 98 -0.26 94
GU.SARM.EHZ. 2017-03-15T17:28:43.00 0.1 undecidable manual P 32 31.746 99 0.1 98
MN.VLC.HHZ. 2017-03-15T17:28:42.58 0.1 negative manual P 33 28.8489 100 0.25 96
GU.EQUI.HHZ. 2017-03-15T17:28:41.63 0.1 positive manual P 354 24.9528 101 0.06 100
GU.MAIM.HHZ. 2017-03-15T17:28:41.54 0.1 undecidable manual P 97 24.4533 102 0.08 100
GU.CARD.HHZ. 2017-03-15T17:28:41.79 0.1 negative manual P 68 25.2525 101 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHE. ML:2.1 0.0008734343499999999 0.2432 AML other m 2017-03-15T17:28:45.41
GU.MAIM.HHN. ML:1.9 0.00046817019999999997 0.2688 AML other m 2017-03-15T17:28:45.43
GU.CARD.HHN. ML:2.3 0.0012394945000000002 0.128 AML other m 2017-03-15T17:28:45.47
GU.CARD.HHE. ML:2.1 0.00078932025 0.192 AML other m 2017-03-15T17:28:45.65
GU.EQUI.HHE. ML:1.7 0.00033071604999999996 0.0512 AML other m 2017-03-15T17:28:45.80
MN.VLC.HHE. ML:7.0 322.5185 0.1664 AML other m 2017-03-15T17:28:46.61
MN.VLC.HNE. ML:4.6 0.19792664999999998 0.1664 AML other m 2017-03-15T17:28:46.53
MN.VLC.HNN. ML:4.7 0.24977370000000002 0.1408 AML other m 2017-03-15T17:28:46.62
MN.VLC.HHN. ML:7.0 363.2819 0.1408 AML other m 2017-03-15T17:28:46.55
GU.EQUI.HHN. ML:1.7 0.00028655785 0.064 AML other m 2017-03-15T17:28:46.74
GU.SARM.EHN. ML:2.4 0.0012098615000000002 0.3328 AML other m 2017-03-15T17:28:47.88
GU.SARM.EHE. ML:2.4 0.001124477 0.1024 AML other m 2017-03-15T17:28:47.97
IV.PII.HHE. ML:2.2 0.0006635 0.26 AML other m 2017-03-15T17:28:48.48
IV.BDI.HHN. ML:1.4 0.00011397159499999999 0.2688 AML other m 2017-03-15T17:28:48.96
IV.PII.HHN. ML:2.4 0.00090965675 0.2816 AML other m 2017-03-15T17:28:48.98
IV.BDI.HHE. ML:1.5 0.00012698805000000001 0.2816 AML other m 2017-03-15T17:28:52.90
IV.BDI.HNE. ML:1.8 0.00028709395 0.32 AML other m 2017-03-15T17:28:52.76
GU.GSCL.HHE. ML:2.3 0.0004461007 0.4352 AML other m 2017-03-15T17:28:54.75
GU.GSCL.HHN. ML:2.1 0.00029860945 0.3456 AML other m 2017-03-15T17:28:55.56
GU.GRAM.HHE. ML:2.4 0.0005321745499999999 0.32 AML other m 2017-03-15T17:28:58.00
GU.GRAM.HHN. ML:2.2 0.00034701475 0.1408 AML other m 2017-03-15T17:28:59.91
IV.CRMI.HHN. ML:1.6 0.000075593625 0.2432 AML other m 2017-03-15T17:29:00.30
IV.CRMI.HHE. ML:1.6 0.000064639235 0.2816 AML other m 2017-03-15T17:29:00.54
IV.MSSA.HHN. ML:1.8 0.000126031245 0.1536 AML other m 2017-03-15T17:29:01.24
IV.MSSA.HHE. ML:2.0 0.00016095555 0.3584 AML other m 2017-03-15T17:29:01.72
IV.MPPT.EHE. ML:1.8 0.000095015085 0.3456 AML other m 2017-03-15T17:29:02.28
IV.MPPT.EHN. ML:1.8 0.00009556688 0.1792 AML other m 2017-03-15T17:29:03.01
IV.MAGO.HHE. ML:1.7 0.00006297738999999999 0.256 AML other m 2017-03-15T17:29:03.74
IV.MOCL.EHE. ML:2.2 0.0002110108 0.2688 AML other m 2017-03-15T17:29:03.80
IV.MOCL.EHN. ML:2.0 0.0001559454 0.2304 AML other m 2017-03-15T17:29:04.51
IV.MAGO.HHN. ML:1.8 0.00009044539 0.192 AML other m 2017-03-15T17:29:05.04
IV.SEI.HHE. ML:2.2 0.00016446335 0.4224 AML other m 2017-03-15T17:29:07.49
IV.OSSC.HNE. ML:2.0 0.00010923317500000001 0.4864 AML other m 2017-03-15T17:29:07.33
IV.SEI.HHN. ML:2.3 0.00020403425 0.4736 AML other m 2017-03-15T17:29:08.80
IV.OSSC.HHN. ML:1.8 0.000070482715 0.4224 AML other m 2017-03-15T17:29:08.84
GU.GORR.HHN. ML:2.2 0.00016984860000000002 0.3712 AML other m 2017-03-15T17:29:09.89
IV.OSSC.HHE. ML:1.8 0.00005871046 0.4224 AML other m 2017-03-15T17:29:09.94
GU.GORR.HHE. ML:2.1 0.00012495027 0.3456 AML other m 2017-03-15T17:29:09.98
IV.TRIF.HHN. ML:1.6 0.000036150000000000005 0.56 AML other m 2017-03-15T17:29:11.52
GU.RNCA.HHE. ML:2.1 0.000095726225 0.2688 AML other m 2017-03-15T17:29:12.41
GU.RNCA.HHN. ML:2.0 0.000078365295 0.2176 AML other m 2017-03-15T17:29:12.43
GU.PCP.HHN. ML:2.0 0.000048157985 0.3584 AML other m 2017-03-15T17:29:20.27
GU.PCP.HHE. ML:1.8 0.00003165449 0.256 AML other m 2017-03-15T17:29:20.70
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