Earthquake with magnitude of ML 1.4 on date 20-08-2013 and time 22:00:59 (Italy) in region 3 km NE Minucciano (LU)

A magnitude ML 1.4 earthquake occured in region: 3 km NE Minucciano (LU), on

  • 20-08-2013 20:00:59 (UTC)
  • 20-08-2013 22:00:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1950, 10.2200 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
Minucciano LU 3 2102 2102
Casola in Lunigiana MS 4 988 3090
Piazza al Serchio LU 7 2367 5457
Sillano Giuncugnano LU 7 1085 6542
Fivizzano MS 9 7925 14467
Camporgiano LU 10 2176 16643
Vagli Sotto LU 10 939 17582
San Romano in Garfagnana LU 10 1410 18992
Careggine LU 12 564 19556
Comano MS 13 714 20270
Villa Collemandina LU 15 1334 21604
Castiglione di Garfagnana LU 16 1818 23422
Carrara MS 16 63133 86555
Licciana Nardi MS 16 4949 91504
Pieve Fosciana LU 17 2414 93918
Fosdinovo MS 17 4883 98801
Castelnuovo di Garfagnana LU 18 5950 104751
Massa MS 19 69479 174230
Ortonovo SP 19 8277 182507
Castelnuovo Magra SP 19 8415 190922
Montignoso MS 20 10323 201245

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NE of Carrara (63133 inhabitants)
19 Km NE of Massa (69479 inhabitants)
33 Km E of La Spezia (93959 inhabitants)
36 Km N of Viareggio (62467 inhabitants)
45 Km NW of Lucca (89046 inhabitants)
55 Km N of Pisa (89158 inhabitants)
63 Km W of Pistoia (90315 inhabitants)
65 Km SW of Reggio nell'Emilia (171345 inhabitants)
68 Km S of Parma (192836 inhabitants)
72 Km N of Livorno (159219 inhabitants)
75 Km SW of Modena (184973 inhabitants)
78 Km W of Prato (191150 inhabitants)
84 Km SW of Carpi (70699 inhabitants)
91 Km NW of Scandicci (50609 inhabitants)
95 Km W of Bologna (386663 inhabitants)
95 Km W 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
20:00:59
44.1948 10.2203 10 2015-01-20
11:28:30
Bollettino Sismico Italiano INGV 4735461
Reviewed
Rev100
ML 1.4 2013-08-20
20:00:59
44.1927 10.2202 11 2014-10-21
12:08:56
Sala Sismica INGV-Roma 4303661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-08-20 20:00:59 ± 0.06
Latitude 44.1948 ± 0.0045
Longitude 10.2203 ± 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 4735461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 458
Semi-minor axis of confidence ellipse (meter) 344
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.41279
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 2
Type of magnitude ML
Reference to an origin 4303661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-08-20 20:06:08

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 2
Type of magnitude ML
Reference to an origin 4735461
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:04:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2013-08-20T20:01:14.75 0.1 undecidable manual S 111 45.8208 50 0.07 94
IV.BDI.HHZ. 2013-08-20T20:01:11.39 0.1 undecidable manual S 116 33.4443 50 0.03 96
GU.GRAM.HHZ. 2013-08-20T20:01:11.50 0.1 undecidable manual S 340 35.1426 50 -0.31 91
IV.PLMA.HHZ. 2013-08-20T20:01:11.15 0.1 undecidable manual S 241 33.3444 50 -0.19 93
IV.ERBM.EHZ. 2013-08-20T20:01:10.36 0.1 undecidable manual S 31 29.2485 50 0.11 95
GU.CARD.HHZ. 2013-08-20T20:01:09.57 0.1 undecidable manual S 132 28.0497 50 -0.35 91
GU.POPM.HHZ. 2013-08-20T20:01:08.59 0.1 undecidable manual P 111 45.8208 50 0.19 91
IV.T0911.EHZ. 2013-08-20T20:01:06.09 0.1 undecidable manual S 232 14.874 125 -0.01 100
IV.PLMA.HHZ. 2013-08-20T20:01:06.40 0.1 undecidable manual P 241 33.3444 50 -0.07 96
IV.BDI.HHZ. 2013-08-20T20:01:06.63 0.1 undecidable manual P 116 33.4443 50 0.15 94
GU.GRAM.HHZ. 2013-08-20T20:01:06.80 0.1 undecidable manual P 340 35.1426 50 0.05 96
IV.ERBM.EHZ. 2013-08-20T20:01:05.87 0.1 undecidable manual P 31 29.2485 50 0.03 97
GU.CARD.HHZ. 2013-08-20T20:01:05.85 0.1 undecidable manual P 132 28.0497 50 0.2 94
MN.VLC.HHZ. 2013-08-20T20:01:05.36 0.1 undecidable manual S 106 13.7751 127 -0.44 92
MN.VLC.HHZ. 2013-08-20T20:01:03.39 0.1 undecidable manual P 106 13.7751 127 0.12 98
IV.T0911.EHZ. 2013-08-20T20:01:03.86 0.1 undecidable manual P 232 14.874 125 0.41 92
GU.EQUI.HHZ. 2013-08-20T20:01:03.80 0.1 undecidable manual S 239 6.1938 149 -0.21 97
GU.EQUI.HHZ. 2013-08-20T20:01:02.41 0.1 undecidable manual P 239 6.1938 149 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.EQUI.HHN. ML:1.1 0.0001805 1.18 AML other m 2013-08-20T20:01:04.81
GU.EQUI.HHE. ML:1.0 0.000163 1.08 AML other m 2013-08-20T20:01:04.36
GU.GRAM.HHE. ML:1.8 0.0002525 0.22 AML other m 2013-08-20T20:01:12.93
GU.GRAM.HHN. ML:1.8 0.000262 0.64 AML other m 2013-08-20T20:01:13.21
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