Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 09-12-2013 and time 15:14:22 (UTC) in region 5 km NE Villa Basilica (LU)

A magnitude ML 0.7 earthquake occured in region: 5 km NE Villa Basilica (LU), on

  • 09-12-2013 15:14:22 (UTC)
  • 09-12-2013 16:14:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9530, 10.7000 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villa Basilica LU 5 1633 1633
Pescia PT 6 19644 21277
Massa e Cozzile PT 6 7983 29260
Marliana PT 6 3210 32470
Uzzano PT 8 5770 38240
Buggiano PT 8 8825 47065
Montecatini-Terme PT 10 20409 67474
Piteglio PT 10 1683 69157
Bagni di Lucca LU 11 6161 75318
Pieve a Nievole PT 11 9266 84584
Montecarlo LU 12 4428 89012
Serravalle Pistoiese PT 12 11659 100671
Chiesina Uzzanese PT 13 4552 105223
Ponte Buggianese PT 13 8804 114027
Monsummano Terme PT 13 21338 135365
Borgo a Mozzano LU 13 6994 142359
San Marcello Pistoiese PT 14 6416 148775
Porcari LU 14 8845 157620
Capannori LU 15 46252 203872
Altopascio LU 15 15481 219353
Cutigliano PT 17 1488 220841
Pistoia PT 18 90315 311156
Coreglia Antelminelli LU 19 5215 316371
Lucca LU 20 89046 405417

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of Pistoia (90315 inhabitants)
20 Km NE of Lucca (89046 inhabitants)
33 Km W of Prato (191150 inhabitants)
36 Km NE of Pisa (89158 inhabitants)
37 Km E of Viareggio (62467 inhabitants)
44 Km W of Scandicci (50609 inhabitants)
46 Km E of Massa (69479 inhabitants)
49 Km W of Firenze (382808 inhabitants)
50 Km E of Carrara (63133 inhabitants)
54 Km NE of Livorno (159219 inhabitants)
72 Km E of La Spezia (93959 inhabitants)
79 Km SW of Bologna (386663 inhabitants)
79 Km S of Modena (184973 inhabitants)
83 Km S of Reggio nell'Emilia (171345 inhabitants)
87 Km NW of Siena (53903 inhabitants)
93 Km W of Imola (69797 inhabitants)
94 Km S of Carpi (70699 inhabitants)
99 Km SE 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 		ML 0.7 2013-12-09
15:14:22		 43.9527 10.7002 10 2015-01-20
11:30:17		 Bollettino Sismico Italiano INGV 5622431
Reviewed
Rev100 		ML 0.6 2013-12-09
15:14:23		 43.9483 10.6983 4 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4934391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-12-09 15:14:22 ± 0.28
Latitude 43.9527 ± 0.0135
Longitude 10.7002 ± 0.0162
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 5622431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1830
Semi-minor axis of confidence ellipse (meter) 780
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 320
Circular confidence region, given by single value of horizontal uncertainty (meter) 1830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 232
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.15468
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 5622431
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:27:37

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 4934391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-12-09 15:25:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHZ. 2013-12-09T15:14:28.56 0.3 undecidable manual S 326 14.6742 124 0.04 76
GU.MAIM.HHZ. 2013-12-09T15:14:28.94 0.3 undecidable manual S 256 17.1717 120 -0.32 72
GU.POPM.HHZ. 2013-12-09T15:14:27.24 0.1 undecidable manual S 24 11.1777 132 -0.33 97
IV.BDI.HHZ. 2013-12-09T15:14:26.15 0.1 undecidable manual P 326 14.6742 124 0.23 98
GU.MAIM.HHZ. 2013-12-09T15:14:26.45 0.1 undecidable manual P 256 17.1717 120 0.11 100
GU.POPM.HHZ. 2013-12-09T15:14:25.54 0.1 undecidable manual P 24 11.1777 132 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHN. ML:0.6 0.00004 0.52 AML other m 2013-12-09T15:14:29.24
IV.BDI.HHE. ML:0.6 0.0000378 0.78 AML other m 2013-12-09T15:14:29.25
GU.MAIM.HHN. ML:0.6 0.0000307 0.96 AML other m 2013-12-09T15:14:29.54
GU.MAIM.HHE. ML:0.5 0.00002665 0.8 AML other m 2013-12-09T15:14:29.22
GU.POPM.HHE. ML:1.1 0.000161 0.14 AML other m 2013-12-09T15:14:27.81
GU.POPM.HHN. ML:1.1 0.00015 0.66 AML other m 2013-12-09T15:14:28.15
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