Earthquake with magnitude of Md 4.0 on date 30-06-2003 and time 07:03:41 (UTC) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude Md 4.0 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 30-06-2003 07:03:41 (UTC)
  • 30-06-2003 09:03:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.65, 10.19 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Livorno LI 15 159219 159219
Pisa PI 19 89158 248377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Livorno (159219 inhabitants)
19 Km W of Pisa (89158 inhabitants)
25 Km S of Viareggio (62467 inhabitants)
33 Km SW of Lucca (89046 inhabitants)
43 Km S of Massa (69479 inhabitants)
48 Km S of Carrara (63133 inhabitants)
58 Km SE of La Spezia (93959 inhabitants)
67 Km W of Pistoia (90315 inhabitants)
77 Km W of Prato (191150 inhabitants)
81 Km W of Scandicci (50609 inhabitants)
87 Km W of Firenze (382808 inhabitants)
99 Km W 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
Rev 1000 Md 4.0
ML-VAX 3.8
2003-06-30
07:03:41
43.65 10.19 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 480009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-06-30 07:03:41 ± 0.349
Latitude 43.65 ± 0.01
Longitude 10.19 ± 0.02
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 480009

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1742.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.03189
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

Md:4

Field Value
Value 4
Uncertainty
Num. used stations 13
Type of magnitude Md
Reference to an origin 480009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:37:14

ML:3.8

Field Value
Value 3.8
Uncertainty
Num. used stations 7
Type of magnitude ML
Reference to an origin 480009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.TRI.Z. 2003-06-30T07:05:11.62 10.0 undecidable manual SN 49 0.0294 1.29 0
--.PTCC.Z. 2003-06-30T07:04:37.00 10.0 undecidable manual PN 38 0.0319 0.53 0
--.FVI.Z. 2003-06-30T07:04:36.57 10.0 undecidable manual PN 31 0.0311 1.24 0
--.GMNA.Z. 2003-06-30T07:04:34.90 10.0 undecidable manual PN 37 0.0301 0.25 0
--.SDI.Z. 2003-06-30T07:04:33.88 10.0 undecidable manual PN 125 0.0296 0.88 0
--.TRI.Z. 2003-06-30T07:04:32.81 10.0 undecidable manual PN 49 0.0294 0.14 0
--.PTQR.Z. 2003-06-30T07:04:29.19 10.0 undecidable manual PN 123 0.0257 2.11 0
--.BRMO.Z. 2003-06-30T07:04:28.85 10.0 undecidable manual PN 2 0.0254 2.25 0
--.BNI.Z. 2003-06-30T07:04:27.84 10.0 undecidable manual PN 300 0.0258 0.6 0
--.MCGN.Z. 2003-06-30T07:04:26.64 10.0 undecidable manual PN 326 0.025 0.62 0
--.AQU.Z. 2003-06-30T07:04:26.66 10.0 undecidable manual PN 118 0.0241 2.04 0
--.CTI.Z. 2003-06-30T07:04:24.63 10.0 undecidable manual PN 23 0.0235 1.01 0.1
--.BOB.Z. 2003-06-30T07:04:22.92 10.0 undecidable manual SN 335 0.0111 0.92 1.5
--.VAI.Z. 2003-06-30T07:04:22.51 10.0 undecidable manual PN 336 0.0219 1.32 0.3
--.SFI.Z. 2003-06-30T07:04:22.25 10.0 undecidable manual SN 77 0.0109 0.54 1.5
--.ORO.Z. 2003-06-30T07:04:22.87 10.0 undecidable manual PN 322 0.0227 0.43 0.2
--.PGD.Z. 2003-06-30T07:04:19.65 10.0 undecidable manual SN 78 0.0101 0.2 1.6
--.MNS.Z. 2003-06-30T07:04:18.67 10.0 undecidable manual PN 124 0.0199 0.43 0.5
--.SNTG.Z. 2003-06-30T07:04:16.10 10.0 undecidable manual PN 100 0.0183 0.37 0.7
--.ARV.Z. 2003-06-30T07:04:15.76 10.0 undecidable manual PN 93 0.018 0.5 0.7
--.FSSB.Z. 2003-06-30T07:04:14.41 10.0 undecidable manual PN 88 0.0168 0.92 0.8
--.SEI.Z. 2003-06-30T07:04:13.32 10.0 undecidable manual SG 64 0.0083 -0.44 1.8
--.ASS.Z. 2003-06-30T07:04:13.81 10.0 undecidable manual PN 107 0.0169 0.15 0.8
--.RSM.Z. 2003-06-30T07:04:12.40 10.0 undecidable manual PN 79 0.0149 1.88 1.1
--.IMI.Z. 2003-06-30T07:04:09.75 10.0 undecidable manual PN 279 0.0151 -1.07 1.1
--.ERBM.Z. 2003-06-30T07:04:08.43 10.0 undecidable manual SG 11 0.007 -0.52 1.8
--.GSCL.Z. 2003-06-30T07:04:07.70 10.0 undecidable manual SG 22 0.0067 -0.96 1.8
--.FIN.Z. 2003-06-30T07:04:07.69 10.0 negative manual PN 292 0.0138 -1.12 1.2
--.GRFL.Z. 2003-06-30T07:04:07.30 10.0 undecidable manual SG 131 0.0068 -0.91 1.8
--.BOB.Z. 2003-06-30T07:04:05.40 10.0 negative manual PN 335 0.0111 0.28 1.5
--.CRE.Z. 2003-06-30T07:04:05.27 10.0 negative manual PN 91 0.0114 -0.03 1.5
--.SFI.Z. 2003-06-30T07:04:04.37 10.0 undecidable manual PN 77 0.0109 -0.22 1.5
--.PGD.Z. 2003-06-30T07:04:03.14 10.0 undecidable manual PN 78 0.0101 -0.15 1.6
--.VMG.Z. 2003-06-30T07:04:01.50 10.0 undecidable manual PG 72 0.0091 -0.19 1.7
--.SEI.Z. 2003-06-30T07:04:00.20 10.0 undecidable manual PG 64 0.0083 0.02 1.8
--.ZCCA.Z. 2003-06-30T07:04:00.47 10.0 undecidable manual PG 38 0.0081 1.08 1.8
--.ERBM.Z. 2003-06-30T07:03:57.38 10.0 negative manual PG 11 0.007 0.15 1.8
--.GSCL.Z. 2003-06-30T07:03:56.53 10.0 undecidable manual PG 22 0.0067 -0.16 1.8
--.GRFL.Z. 2003-06-30T07:03:56.66 10.0 undecidable manual PG 131 0.0068 -0.14 1.8
--.BDI.Z. 2003-06-30T07:03:51.64 10.0 undecidable manual PG 35 0.0045 -0.42 1.8
--.PII.Z. 2003-06-30T07:03:50.99 10.0 undecidable manual SG 73 0.0022 -0.17 1.8
--.PII.Z. 2003-06-30T07:03:47.37 10.0 positive manual PG 73 0.0022 0.41 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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