Earthquake with magnitude of ML 1.3 on date 24-05-2017 and time 10:24:08 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.3 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 24-05-2017 08:24:08 (UTC)
  • 24-05-2017 10:24:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6520, 10.2310 at 7 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 13 159219 159219
Pisa PI 16 89158 248377
Vecchiano PI 19 12189 260566

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NW of Livorno (159219 inhabitants)
16 Km W of Pisa (89158 inhabitants)
24 Km S of Viareggio (62467 inhabitants)
31 Km SW of Lucca (89046 inhabitants)
43 Km S of Massa (69479 inhabitants)
49 Km S of Carrara (63133 inhabitants)
60 Km SE of La Spezia (93959 inhabitants)
64 Km W of Pistoia (90315 inhabitants)
74 Km W of Prato (191150 inhabitants)
77 Km W of Scandicci (50609 inhabitants)
84 Km W of Firenze (382808 inhabitants)
96 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
Bulletin
Rev1000
ML 1.3 2017-05-24
08:24:08
43.6525 10.2307 7 2018-07-06
10:38:18
Bollettino Sismico Italiano INGV 50074461
Reviewed
Rev100
ML 1.5 2017-05-24
08:24:08
43.6525 10.2307 7 2017-05-24
08:38:33
Sala Sismica INGV-Roma 45724201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-05-24 08:24:08 ± 0.12
Latitude 43.6525 ± 0.0054
Longitude 10.2307 ± 0.0087
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50074461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 665
Semi-minor axis of confidence ellipse (meter) 493
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.22393
Epicentral distance of station farthest from the epicenter (degree) 0.83817
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 45724201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-05-24 08:38:33

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 50074461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-14 08:45:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.VLC.HHZ. 2017-05-24T08:24:27.07 0.3 undecidable manual S 12 57.5979 50 -0.44 66
GU.EQUI.HHZ. 2017-05-24T08:24:27.02 0.3 undecidable manual S 354 57.2982 50 -0.41 66
IV.MAGO.HHZ. 2017-05-24T08:24:26.08 0.3 undecidable manual S 141 54.3012 50 -0.56 62
IV.MSSA.HHZ. 2017-05-24T08:24:25.43 0.1 undecidable manual P 323 93.0402 50 0.34 86
IV.CSNT.HHN. 2017-05-24T08:24:24.82 1.0 undecidable manual P 103 87.4458 50 0.59 21
GU.CARD.HHZ. 2017-05-24T08:24:24.02 0.3 undecidable manual S 26 46.0206 50 -0.41 68
IV.MTCR.EHZ. 2017-05-24T08:24:22.72 0.3 undecidable manual P 56 74.4699 50 0.49 65
GU.MAIM.HHZ. 2017-05-24T08:24:21.02 0.3 undecidable manual S 36 35.742 102 -0.51 68
IV.GROG.HHZ. 2017-05-24T08:24:21.52 0.3 undecidable manual S 227 37.0296 101 -0.44 69
GU.POPM.HHZ. 2017-05-24T08:24:20.43 0.3 undecidable manual P 44 60.5949 50 0.34 68
IV.MAGO.HHZ. 2017-05-24T08:24:19.41 0.3 undecidable manual P 141 54.3012 50 0.28 70
MN.VLC.HHZ. 2017-05-24T08:24:19.86 0.3 undecidable manual P 12 57.5979 50 0.23 70
IV.PLMA.HHZ. 2017-05-24T08:24:19.03 0.6 undecidable manual P 326 53.4021 50 0.05 49
GU.EQUI.HHZ. 2017-05-24T08:24:19.94 0.1 undecidable manual P 354 57.2982 50 0.36 91
IV.PII.HHZ. 2017-05-24T08:24:17.71 0.6 undecidable manual S 72 24.8529 107 -0.14 50
GU.CARD.HHZ. 2017-05-24T08:24:17.92 0.3 undecidable manual P 26 46.0206 50 0.07 74
IV.GROG.HHZ. 2017-05-24T08:24:16.39 0.1 undecidable manual P 227 37.0296 101 -0.03 100
GU.MAIM.HHZ. 2017-05-24T08:24:16.31 0.3 undecidable manual P 36 35.742 102 0.14 74
IV.PII.HHZ. 2017-05-24T08:24:14.27 0.6 undecidable manual P 72 24.8529 107 0.22 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CARD.HHE. ML:1.5 0.00008730000000000001 0.48 AML other m 2017-05-24T08:24:24.74
GU.CARD.HHN. ML:1.5 0.0000882 0.7 AML other m 2017-05-24T08:24:25.35
IV.GROG.HHN. ML:1.7 0.00017549999999999998 0.18 AML other m 2017-05-24T08:24:22.47
IV.GROG.HHE. ML:1.7 0.000188 0.18 AML other m 2017-05-24T08:24:22.82
IV.MAGO.HHE. ML:1.1 0.00003035 1.48 AML other m 2017-05-24T08:24:27.98
IV.MAGO.HHN. ML:1.0 0.000022499999999999998 1.44 AML other m 2017-05-24T08:24:28.88
GU.MAIM.HHE. ML:1.0 0.00004405 1.22 AML other m 2017-05-24T08:24:27.95
GU.MAIM.HHN. ML:1.0 0.00004315 0.58 AML other m 2017-05-24T08:24:22.62
IV.PII.HHE. ML:1.5 0.000183 0.28 AML other m 2017-05-24T08:24:23.20
IV.PII.HHN. ML:1.4 0.0001435 0.86 AML other m 2017-05-24T08:24:23.14
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download