Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 19-07-2014 and time 15:46:09 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.2 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 19-07-2014 13:46:09 (UTC)
  • 19-07-2014 15:46:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7170, 9.9520 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Viareggio (62467 inhabitants)
34 Km NW of Livorno (159219 inhabitants)
36 Km W of Pisa (89158 inhabitants)
39 Km SW of Massa (69479 inhabitants)
42 Km S of Carrara (63133 inhabitants)
45 Km S of La Spezia (93959 inhabitants)
46 Km W of Lucca (89046 inhabitants)
81 Km W of Pistoia (90315 inhabitants)
94 Km W of Prato (191150 inhabitants)
99 Km W of Scandicci (50609 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
Reviewed
Rev100 		ML 1.2 2014-07-19
13:46:09		 43.7172 9.952 6 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 7395381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-07-19 13:46:09 ± 0.19
Latitude 43.7172 ± 0.0081
Longitude 9.9520 ± 0.0187
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 7395381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1384
Semi-minor axis of confidence ellipse (meter) 899
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.91556
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 7395381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-07-19 14:01:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.SHZ. 2014-07-19T13:47:55.08 3.0 negative manual Pg 11.5 0
IV.ALJA.HHZ. 2014-07-19T13:47:53.47 3.0 positive manual Pn 4.01 0
IV.TDS.HHZ. 2014-07-19T13:47:47.57 3.0 undecidable manual Pn 3.12 0
IV.PAOL.HHZ. 2014-07-19T13:47:23.86 3.0 undecidable manual Pn 5.84 0
IV.NARO.HHZ. 2014-07-19T13:47:08.99 3.0 undecidable manual Sn 212.6316 -2.04 0
IV.MIDA.HHZ. 2014-07-19T13:47:06.51 3.0 undecidable manual Pn -3.81 0
GU.MGRO.HHZ. 2014-07-19T13:47:03.99 3.0 undecidable manual Sn 0.73 0
IV.NARO.HHZ. 2014-07-19T13:46:49.13 3.0 undecidable manual Pg 212.6316 4.93 0
GU.CIRO.HHZ. 2014-07-19T13:46:49.71 3.0 undecidable manual Pn -2.55 0
IV.RSM2.HHZ. 2014-07-19T13:46:48.21 3.0 negative manual Pg 5.4 0
IV.PE3.EHZ. 2014-07-19T13:46:44.29 3.0 negative manual Pn 1.01 0
IV.MSSA.HHE. 2014-07-19T13:46:32.64 0.3 undecidable manual S 333 74.9694 50 -0.23 71
GU.CARD.HHZ. 2014-07-19T13:46:28.06 0.3 undecidable manual S 51 54.501 50 0.65 66
MN.VLC.HHZ. 2014-07-19T13:46:28.73 0.3 undecidable manual S 35 60.0954 50 -0.17 74
GU.EQUI.HHZ. 2014-07-19T13:46:26.44 0.3 undecidable manual S 18 52.3032 50 -0.38 72
GU.MAIM.HHE. 2014-07-19T13:46:25.35 0.3 undecidable manual S 63 48.4182 50 -0.43 72
IV.PII.HHE. 2014-07-19T13:46:24.70 0.3 undecidable manual S 89 45.9207 50 -0.43 72
IV.MSSA.HHE. 2014-07-19T13:46:23.08 0.1 undecidable manual P 333 74.9694 50 0.17 96
MN.VLC.HHZ. 2014-07-19T13:46:21.17 0.1 undecidable manual P 35 60.0954 50 0.56 90
IV.PLMA.HHZ. 2014-07-19T13:46:21.94 0.3 undecidable manual S 348 37.7289 99 -0.61 69
GU.CARD.HHZ. 2014-07-19T13:46:20.15 0.1 undecidable manual P 51 54.501 50 0.4 95
IV.GROG.HHZ. 2014-07-19T13:46:20.46 0.1 undecidable manual S 189 32.6451 100 -0.35 100
GU.EQUI.HHZ. 2014-07-19T13:46:19.59 0.1 undecidable manual P 18 52.3032 50 0.17 100
GU.MAIM.HHE. 2014-07-19T13:46:19.39 0.1 undecidable manual P 63 48.4182 50 0.58 91
IV.PII.HHE. 2014-07-19T13:46:17.62 0.1 undecidable manual P 89 45.9207 50 -0.81 83
IV.PLMA.HHZ. 2014-07-19T13:46:17.04 0.3 undecidable manual P 348 37.7289 99 0.09 78
IV.GROG.HHZ. 2014-07-19T13:46:16.31 0.1 undecidable manual P 189 32.6451 100 0.37 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GROG.HHN. ML:1.2 0.0000629 0.18 AML other m 2014-07-19T13:46:20.82
IV.GROG.HHE. ML:1.3 0.00008874999999999999 0.88 AML other m 2014-07-19T13:46:21.00
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