Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-01-2013 and time 21:21:08 (Italy) in region 7 km NE Fosciandora (LU)

A magnitude ML 1.5 earthquake occured in region: 7 km NE Fosciandora (LU), on

  • 27-01-2013 20:21:08 (UTC)
  • 27-01-2013 21:21:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1670, 10.5050 at 16 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fosciandora LU 7 602 602
Castiglione di Garfagnana LU 8 1818 2420
Pieve Fosciana LU 8 2414 4834
Villa Collemandina LU 9 1334 6168
Castelnuovo di Garfagnana LU 10 5950 12118
Pievepelago MO 10 2222 14340
Barga LU 11 10034 24374
Coreglia Antelminelli LU 11 5215 29589
Fiumalbo MO 12 1280 30869
Molazzana LU 13 1043 31912
San Romano in Garfagnana LU 13 1410 33322
Gallicano LU 13 3807 37129
Abetone PT 13 621 37750
Camporgiano LU 14 2176 39926
Riolunato MO 14 712 40638
Careggine LU 15 564 41202
Frassinoro MO 15 1926 43128
Fabbriche di Vergemoli LU 16 768 43896
Piazza al Serchio LU 16 2367 46263
Sillano Giuncugnano LU 17 1085 47348
Bagni di Lucca LU 19 6161 53509
Vagli Sotto LU 19 939 54448
Montecreto MO 20 940 55388

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Massa (69479 inhabitants)
34 Km E of Carrara (63133 inhabitants)
36 Km N of Lucca (89046 inhabitants)
39 Km NE of Viareggio (62467 inhabitants)
42 Km NW of Pistoia (90315 inhabitants)
51 Km N of Pisa (89158 inhabitants)
54 Km E of La Spezia (93959 inhabitants)
57 Km NW of Prato (191150 inhabitants)
60 Km S of Reggio nell'Emilia (171345 inhabitants)
63 Km SW of Modena (184973 inhabitants)
70 Km N of Livorno (159219 inhabitants)
71 Km NW of Scandicci (50609 inhabitants)
72 Km S of Parma (192836 inhabitants)
75 Km NW of Firenze (382808 inhabitants)
75 Km SW of Carpi (70699 inhabitants)
76 Km W of Bologna (386663 inhabitants)
99 Km W of Imola (69797 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 1.5 2013-01-27
20:21:08		 44.1673 10.505 16 2015-01-20
11:22:07		 Bollettino Sismico Italiano INGV 4707381
Reviewed
Rev100 		ML 1.5 2013-01-27
20:21:08		 44.1818 10.5367 17 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2887561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-01-27 20:21:08 ± 0.2
Latitude 44.1673 ± 0.0126
Longitude 10.5050 ± 0.0113
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4707381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1473
Semi-minor axis of confidence ellipse (meter) 377
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 1470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.25361
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 2
Type of magnitude ML
Reference to an origin 2887561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-01-27 20:27:14

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 2
Type of magnitude ML
Reference to an origin 4707381
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:25:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.EQUI.HHZ. 2013-01-27T20:21:18.22 0.6 undecidable manual S 270 28.0497 108 -0.44 46
GU.MAIM.HHZ. 2013-01-27T20:21:18.71 0.6 undecidable manual S 182 28.1496 108 0.03 50
GU.POPM.HHZ. 2013-01-27T20:21:17.58 0.6 undecidable manual S 124 24.2535 112 -0.13 49
GU.EQUI.HHZ. 2013-01-27T20:21:14.48 0.1 undecidable manual P 270 28.0497 108 0.12 99
MN.VLC.HHZ. 2013-01-27T20:21:14.47 0.6 undecidable manual S 265 9.4794 144 -0.08 52
GU.MAIM.HHZ. 2013-01-27T20:21:14.43 0.1 undecidable manual P 182 28.1496 108 0.06 100
GU.POPM.HHZ. 2013-01-27T20:21:13.72 0.1 undecidable manual P 124 24.2535 112 -0.09 99
MN.VLC.HHZ. 2013-01-27T20:21:12.17 0.1 positive manual P 265 9.4794 144 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHE. ML:1.9 0.00038700000000000003 0.34 AML other m 2013-01-27T20:21:18.10
GU.POPM.HHN. ML:1.8 0.0003475 0.84 AML other m 2013-01-27T20:21:18.48
MN.VLC.HHN. ML:1.1 0.00011549999999999999 0.7 AML other m 2013-01-27T20:21:14.94
MN.VLC.HHE. ML:1.1 0.000124 0.22 AML other m 2013-01-27T20:21:14.85
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