Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 12-09-2022 and time 16:04:59 (Italy) in region 2 km SW Sillano Giuncugnano (LU)

A magnitude ML 1.4 earthquake occured in region: 2 km SW Sillano Giuncugnano (LU), on

  • 12-09-2022 14:04:59 (UTC)
  • 12-09-2022 16:04:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2090, 10.2860 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Sillano Giuncugnano LU 2 1085 1085
Piazza al Serchio LU 3 2367 3452
San Romano in Garfagnana LU 7 1410 4862
Camporgiano LU 7 2176 7038
Minucciano LU 8 2102 9140
Casola in Lunigiana MS 9 988 10128
Careggine LU 10 564 10692
Villa Collemandina LU 10 1334 12026
Vagli Sotto LU 10 939 12965
Castiglione di Garfagnana LU 12 1818 14783
Pieve Fosciana LU 13 2414 17197
Fivizzano MS 13 7925 25122
Castelnuovo di Garfagnana LU 15 5950 31072
Comano MS 16 714 31786
Fosciandora LU 17 602 32388
Ventasso RE 18 4295 36683
Molazzana LU 18 1043 37726
Fabbriche di Vergemoli LU 19 768 38494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Carrara (63133 inhabitants)
22 Km NE of Massa (69479 inhabitants)
38 Km N of Viareggio (62467 inhabitants)
38 Km E of La Spezia (93959 inhabitants)
44 Km NW of Lucca (89046 inhabitants)
56 Km N of Pisa (89158 inhabitants)
59 Km NW of Pistoia (90315 inhabitants)
61 Km SW of Reggio nell'Emilia (171345 inhabitants)
66 Km S of Parma (192836 inhabitants)
71 Km SW of Modena (184973 inhabitants)
73 Km N of Livorno (159219 inhabitants)
74 Km W of Prato (191150 inhabitants)
80 Km SW of Carpi (70699 inhabitants)
87 Km NW of Scandicci (50609 inhabitants)
90 Km W of Bologna (386663 inhabitants)
92 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
Reviewed
Rev100 		ML 1.4 2022-09-12
14:04:59		 44.2088 10.2862 10 2022-09-12
14:14:48		 Sala Sismica INGV-Roma 109634901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-12 14:04:59 ± 0.08
Latitude 44.2088 ± 0.0054
Longitude 10.2862 ± 0.0063
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 109634901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 416
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 210
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 27
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64751
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 109634901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-12 14:14:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2022-09-12T14:06:28.54 3.0 undecidable manual Sg 11.87 0
IX.SSB3.HHZ.02 2022-09-12T14:06:18.17 3.0 undecidable manual Pn 6.65 0
IV.SGG.HNZ. 2022-09-12T14:06:17.52 3.0 positive manual Pg 15.31 0
CH.BERNI.HHZ. 2022-09-12T14:06:07.73 3.0 undecidable manual Sg 3.78 0
OX.ACOM.HHZ. 2022-09-12T14:05:49.48 3.0 negative manual Pn -0.74 0
RD.PGF.BHZ. 2022-09-12T14:05:37.06 3.0 undecidable manual Pg 5.19 0
IV.CRMI.HHZ. 2022-09-12T14:05:21.89 0.3 undecidable manual S 129 71.8725 50 0.1 66
IV.MPPT.EHZ. 2022-09-12T14:05:21.67 0.3 undecidable manual S 113 69.8745 50 0.41 63
IV.NEVI.HNE. 2022-09-12T14:05:13.63 0.6 undecidable manual S 3 41.625 50 -0.09 47
GU.POPM.HHN. 2022-09-12T14:05:13.71 0.6 undecidable manual S 116 41.625 50 -0.02 48
IV.MPPT.EHZ. 2022-09-12T14:05:12.70 1.0 undecidable manual P 113 69.8745 50 0.47 21
IV.CRMI.HHZ. 2022-09-12T14:05:12.85 0.1 undecidable manual P 129 71.8725 50 0.32 85
GU.MAIM.HHZ. 2022-09-12T14:05:12.34 0.6 undecidable manual S 153 36.6411 50 -0.06 48
IV.PLMA.HHZ. 2022-09-12T14:05:12.30 0.6 undecidable manual S 243 38.7279 50 -0.64 41
IV.BDI.HHZ. 2022-09-12T14:05:10.16 0.6 undecidable manual S 123 29.4483 50 -0.32 46
IV.PII.HHZ. 2022-09-12T14:05:10.54 0.6 undecidable manual P 160 57.2982 50 0.26 44
GU.GSCL.HHZ. 2022-09-12T14:05:09.46 0.3 undecidable manual S 57 28.6491 50 -0.8 58
GU.CARD.HHZ. 2022-09-12T14:05:09.30 0.3 undecidable manual S 142 25.5522 111 -0.08 73
IV.NEVI.HNE. 2022-09-12T14:05:08.83 0.1 undecidable manual P 3 41.625 50 0.96 71
GU.MAIM.HHZ. 2022-09-12T14:05:07.15 0.6 undecidable manual P 153 36.6411 50 0.04 48
GU.POPM.HHN. 2022-09-12T14:05:07.70 0.1 undecidable manual P 116 41.625 50 -0.17 92
IV.PLMA.HHZ. 2022-09-12T14:05:07.66 0.6 undecidable manual P 243 38.7279 50 0.24 46
GU.FIVI.HNZ. 2022-09-12T14:05:05.55 0.6 undecidable manual S 285 13.0758 127 0 50
GU.CARD.HHZ. 2022-09-12T14:05:05.32 0.3 negative manual P 142 25.5522 111 -0.04 73
GU.EQUI.HHE. 2022-09-12T14:05:05.04 0.6 undecidable manual S 246 11.5773 130 -0.11 49
GU.GSCL.HHZ. 2022-09-12T14:05:05.62 0.1 undecidable manual P 57 28.6491 50 -0.25 93
IV.BDI.HHZ. 2022-09-12T14:05:05.89 0.1 positive manual P 123 29.4483 50 -0.11 96
GU.SARM.EHE. 2022-09-12T14:05:04.47 0.6 undecidable manual S 107 9.4794 136 -0.15 49
MN.VLC.HHZ. 2022-09-12T14:05:04.39 0.6 undecidable manual S 124 9.6792 135 -0.27 48
MN.VLC.HHZ. 2022-09-12T14:05:02.90 0.1 negative manual P 124 9.6792 135 0.26 96
GU.FIVI.HNZ. 2022-09-12T14:05:02.94 0.1 undecidable manual P 285 13.0758 127 -0.21 96
GU.EQUI.HHE. 2022-09-12T14:05:02.96 0.1 undecidable manual P 246 11.5773 130 0.04 100
GU.SARM.EHE. 2022-09-12T14:05:02.73 0.1 undecidable manual P 107 9.4794 136 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HNN. ML:1.4 0.000342220065 0.0768 AML other m 2022-09-12T14:05:04.89
MN.VLC.HHN. ML:1.4 0.000353339655 0.0768 AML other m 2022-09-12T14:05:04.89
MN.VLC.HHE. ML:1.4 0.00031295879999999996 0.0832 AML other m 2022-09-12T14:05:05.09
MN.VLC.HNE. ML:1.3 0.0002847788 0.1024 AML other m 2022-09-12T14:05:05.10
GU.GSCL.HHE. ML:0.0 0.00014994285000000001 0.2368 AML other m 2022-09-12T14:05:09.51
GU.CARD.HHE. ML:1.8 0.00034484545 0.1408 AML other m 2022-09-12T14:05:09.74
GU.GSCL.HHN. ML:0.0 0.000229 0.4 AML other m 2022-09-12T14:05:09.66
GU.CARD.HHN. ML:1.8 0.000386 0.3 AML other m 2022-09-12T14:05:09.97
IV.BDI.HNN. ML:1.6 0.0002155 0.46 AML other m 2022-09-12T14:05:10.49
IV.BDI.HHE. ML:1.4 0.00011925181000000002 0.1408 AML other m 2022-09-12T14:05:10.59
IV.BDI.HNE. ML:1.6 0.000191 0.98 AML other m 2022-09-12T14:05:10.83
IV.BDI.HHN. ML:1.5 0.00014849164999999998 0.2816 AML other m 2022-09-12T14:05:11.01
GU.MAIM.HHN. ML:1.2 0.000067 0.12 AML other m 2022-09-12T14:05:12.86
IV.PLMA.HHN. ML:1.2 0.0000535 1.54 AML other m 2022-09-12T14:05:13.08
IV.PLMA.HHE. ML:1.3 0.00006654999999999999 0.44 AML other m 2022-09-12T14:05:13.35
GU.MAIM.HHE. ML:0.8 0.000026549999999999998 0.46 AML other m 2022-09-12T14:05:15.52
IV.PII.HHE. ML:1.6 0.0000974 0.18 AML other m 2022-09-12T14:05:21.11
IV.PII.HHN. ML:1.6 0.00008060000000000001 0.24 AML other m 2022-09-12T14:05:21.44
IV.CRMI.HHE. ML:0.0 0.0000126 1 AML other m 2022-09-12T14:05:24.71
IV.CRMI.HHN. ML:0.0 0.0000195 0.78 AML other m 2022-09-12T14:05:25.46
IV.MPPT.EHE. ML:1.0 0.0000138445 0.1856 AML other m 2022-09-12T14:05:23.90
IV.MPPT.EHN. ML:1.1 0.00001912589 0.3392 AML other m 2022-09-12T14:05:26.49
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