Earthquake with magnitude of ML 1.2 on date 07-05-2009 and time 16:10:13 (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

  • 07-05-2009 14:10:13 (UTC)
  • 07-05-2009 16:10:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9300, 10.0620 at 10 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
Forte dei Marmi LU 9 7510 7510
Montignoso MS 14 10323 17833
Massa MS 14 69479 87312
Pietrasanta LU 14 24007 111319
Seravezza LU 15 13073 124392
Viareggio LU 17 62467 186859
Carrara MS 17 63133 249992
Ameglia SP 17 4365 254357
Ortonovo SP 17 8277 262634
Castelnuovo Magra SP 19 8415 271049
Camaiore LU 20 32513 303562

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SW of Massa (69479 inhabitants)
17 Km W of Viareggio (62467 inhabitants)
17 Km S of Carrara (63133 inhabitants)
27 Km SE of La Spezia (93959 inhabitants)
36 Km NW of Pisa (89158 inhabitants)
37 Km W of Lucca (89046 inhabitants)
46 Km NW of Livorno (159219 inhabitants)
69 Km W of Pistoia (90315 inhabitants)
83 Km W of Prato (191150 inhabitants)
92 Km W of Scandicci (50609 inhabitants)
97 Km SW of Reggio nell'Emilia (171345 inhabitants)
97 Km W of Firenze (382808 inhabitants)
99 Km S of Parma (192836 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
Md 1.9
ML 1.2
2009-05-07
14:10:13
43.93 10.062 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 854519
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-07 14:10:13 ± 0.44
Latitude 43.9300 ± 0.0216
Longitude 10.0620 ± 0.0362
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 854519

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3526
Semi-minor axis of confidence ellipse (meter) 1368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 3764.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.72
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56477
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 854519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:12:56

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 854519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:12:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BLLA.EHZ. 2009-05-07T14:10:36.02 10.0 undecidable manual Pg 0 0 0
IV.GSCL.SHZ. 2009-05-07T14:10:33.15 0.3 undecidable manual Sg 42 62.6928 0.195 76
IV.GROG.HHN. 2009-05-07T14:10:31.90 0.3 undecidable manual Sg 194 57.498 0.323 75
NI.CGRP.HHZ. 2009-05-07T14:10:30.06 10.0 undecidable manual Pg 0 0 0
IV.BDI.HHN. 2009-05-07T14:10:28.17 0.3 undecidable manual Sg 71 45.1215 -0.1 80
GU.MAIM.HHE. 2009-05-07T14:10:25.02 0.3 undecidable manual Sg 93 34.3434 -0.373 77
IV.GROG.HHN. 2009-05-07T14:10:23.63 0.1 undecidable manual Pg 194 57.498 -0.315 100
IV.GSCL.SHZ. 2009-05-07T14:10:23.76 0.3 undecidable manual Pg 42 62.6928 -0.978 58
GU.STV.HHN. 2009-05-07T14:10:23.03 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2009-05-07T14:10:22.06 10.0 undecidable manual Sg 0 0 0
IV.BDI.HHN. 2009-05-07T14:10:22.91 0.1 undecidable manual Pg 71 45.1215 0.873 84
IV.PII.SHZ. 2009-05-07T14:10:21.48 0.3 undecidable manual Pg 122 43.623 -0.326 77
GU.MAIM.HHE. 2009-05-07T14:10:21.31 0.6 undecidable manual Pg 93 34.3434 0.934 42
IV.FAGN.HHN. 2009-05-07T14:10:14.35 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2009-05-07T14:10:13.39 10.0 undecidable manual Pg 0 0 0
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