Earthquake with magnitude of ML 1.4 on date 20-08-2013 and time 20:01:01 (Italy) in region 4 km NE Minucciano (LU)

A magnitude ML 1.4 earthquake occured in region: 4 km NE Minucciano (LU), on

  • 20-08-2013 18:01:01 (UTC)
  • 20-08-2013 20:01:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2020, 10.2220 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
Casola in Lunigiana MS 4 988 988
Minucciano LU 4 2102 3090
Piazza al Serchio LU 7 2367 5457
Sillano Giuncugnano LU 7 1085 6542
Fivizzano MS 9 7925 14467
Camporgiano LU 10 2176 16643
San Romano in Garfagnana LU 11 1410 18053
Vagli Sotto LU 11 939 18992
Careggine LU 12 564 19556
Comano MS 13 714 20270
Villa Collemandina LU 15 1334 21604
Castiglione di Garfagnana LU 16 1818 23422
Licciana Nardi MS 16 4949 28371
Pieve Fosciana LU 17 2414 30785
Carrara MS 17 63133 93918
Fosdinovo MS 18 4883 98801
Castelnuovo di Garfagnana LU 18 5950 104751
Ortonovo SP 19 8277 113028
Massa MS 19 69479 182507
Castelnuovo Magra SP 20 8415 190922

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Carrara (63133 inhabitants)
19 Km NE of Massa (69479 inhabitants)
33 Km E of La Spezia (93959 inhabitants)
37 Km N of Viareggio (62467 inhabitants)
46 Km NW of Lucca (89046 inhabitants)
56 Km N of Pisa (89158 inhabitants)
63 Km W of Pistoia (90315 inhabitants)
64 Km SW of Reggio nell'Emilia (171345 inhabitants)
67 Km S of Parma (192836 inhabitants)
73 Km N of Livorno (159219 inhabitants)
75 Km SW of Modena (184973 inhabitants)
79 Km W of Prato (191150 inhabitants)
83 Km SW of Carpi (70699 inhabitants)
91 Km NW of Scandicci (50609 inhabitants)
95 Km W of Bologna (386663 inhabitants)
96 Km NW of Firenze (382808 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 1.4 2013-08-20
18:01:01
44.2022 10.2223 10 2015-01-20
11:28:30
Bollettino Sismico Italiano INGV 4733801
Reviewed
Rev100
ML 1.4 2013-08-20
18:01:01
44.2015 10.2188 10 2014-10-21
12:08:56
Sala Sismica INGV-Roma 4302971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-08-20 18:01:01 ± 0.08
Latitude 44.2022 ± 0.0045
Longitude 10.2223 ± 0.0050
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4733801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 411
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 4302971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-08-20 18:07:29

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 4733801
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:25:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2013-08-20T18:01:16.96 0.1 undecidable manual S 112 46.0206 50 0.05 94
GU.MAIM.HHZ. 2013-08-20T18:01:14.72 0.1 undecidable manual S 146 38.5281 50 -0.19 92
GU.GRAM.HHZ. 2013-08-20T18:01:13.65 0.1 undecidable manual S 339 34.3434 50 -0.16 94
IV.PLMA.HHZ. 2013-08-20T18:01:13.35 0.1 undecidable manual S 240 33.8439 50 -0.32 91
IV.BDI.HHZ. 2013-08-20T18:01:13.45 0.1 undecidable manual S 117 33.6441 50 -0.16 94
IV.ERBM.EHZ. 2013-08-20T18:01:12.05 0.1 undecidable manual S 32 28.4493 50 -0.17 94
IV.PII.HHZ. 2013-08-20T18:01:12.99 0.1 undecidable manual P 156 58.497 50 0.47 84
GU.CARD.HHZ. 2013-08-20T18:01:11.63 0.1 undecidable manual S 133 28.4493 50 -0.6 85
GU.POPM.HHZ. 2013-08-20T18:01:10.91 0.1 undecidable manual P 112 46.0206 50 0.31 89
GU.MAIM.HHZ. 2013-08-20T18:01:09.86 0.1 undecidable manual P 146 38.5281 50 0.42 88
IV.PLMA.HHZ. 2013-08-20T18:01:09.01 0.1 undecidable manual P 240 33.8439 50 0.28 91
GU.CARD.HHZ. 2013-08-20T18:01:08.07 0.1 undecidable manual P 133 28.4493 50 0.18 94
IV.T0911.EHZ. 2013-08-20T18:01:08.21 0.1 undecidable manual S 230 15.4734 123 -0.2 96
IV.BDI.HHZ. 2013-08-20T18:01:08.81 0.6 undecidable manual P 117 33.6441 50 0.12 47
GU.GRAM.HHZ. 2013-08-20T18:01:08.84 0.1 undecidable manual P 339 34.3434 50 0.03 96
IV.ERBM.EHZ. 2013-08-20T18:01:07.92 0.1 undecidable manual P 32 28.4493 50 0.03 97
MN.VLC.HHZ. 2013-08-20T18:01:07.75 0.1 undecidable manual S 110 13.875 126 -0.2 96
IV.T0911.EHZ. 2013-08-20T18:01:06.04 0.1 undecidable manual P 230 15.4734 123 0.35 93
MN.VLC.HHZ. 2013-08-20T18:01:05.48 0.1 undecidable manual P 110 13.875 126 0.06 99
GU.EQUI.HHZ. 2013-08-20T18:01:05.92 0.1 undecidable manual S 234 6.7932 146 -0.3 95
GU.EQUI.HHZ. 2013-08-20T18:01:04.50 0.1 undecidable manual P 234 6.7932 146 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHN. ML:1.2 0.00007199999999999999 0.28 AML other m 2013-08-20T18:01:13.73
IV.BDI.HHE. ML:1.2 0.00006495 0.28 AML other m 2013-08-20T18:01:13.65
GU.CARD.HHN. ML:1.6 0.000195 0.8 AML other m 2013-08-20T18:01:12.19
GU.CARD.HHE. ML:1.6 0.000193 0.12 AML other m 2013-08-20T18:01:12.44
GU.EQUI.HHN. ML:1.5 0.0004505 0.68 AML other m 2013-08-20T18:01:06.41
GU.EQUI.HHE. ML:1.3 0.000316 0.66 AML other m 2013-08-20T18:01:06.75
IV.ERBM.EHE. ML:1.3 0.00009229499999999998 1.48 AML other m 2013-08-20T18:01:12.31
IV.ERBM.EHN. ML:1.2 0.00008104999999999999 1.08 AML other m 2013-08-20T18:01:13.79
GU.GRAM.HHN. ML:1.9 0.0003395 0.62 AML other m 2013-08-20T18:01:15.18
GU.GRAM.HHE. ML:1.8 0.00028349999999999995 0.18 AML other m 2013-08-20T18:01:15.64
GU.MAIM.HHE. ML:1.1 0.00004845 0.88 AML other m 2013-08-20T18:01:15.08
GU.MAIM.HHN. ML:1.1 0.000045249999999999995 0.44 AML other m 2013-08-20T18:01:14.85
IV.PII.HHN. ML:1.7 0.00011249999999999998 0.4 AML other m 2013-08-20T18:01:23.93
IV.PII.HHE. ML:1.9 0.000153 0.5 AML other m 2013-08-20T18:01:23.98
GU.POPM.HHE. ML:1.4 0.00008 0.2 AML other m 2013-08-20T18:01:18.38
GU.POPM.HHN. ML:1.4 0.00006665000000000001 0.2 AML other m 2013-08-20T18:01:18.65
MN.VLC.HHN. ML:1.4 0.000262 0.4 AML other m 2013-08-20T18:01:07.92
MN.VLC.HNN. ML:1.4 0.000253 0.4 AML other m 2013-08-20T18:01:07.92
MN.VLC.HHE. ML:1.1 0.00012395 0.12 AML other m 2013-08-20T18:01:07.90
MN.VLC.HNE. ML:1.2 0.0001685 0.92 AML other m 2013-08-20T18:01:07.91
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