Earthquake with magnitude of ML 2.1 on date 30-05-2021 and time 05:23:13 (UTC) in region 4 km W Sillano Giuncugnano (LU)

A magnitude ML 2.1 earthquake occured in region: 4 km W Sillano Giuncugnano (LU), on

  • 30-05-2021 05:23:13 (UTC)
  • 30-05-2021 07:23:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2380, 10.2490 at 12 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
Sillano Giuncugnano LU 4 1085 1085
Casola in Lunigiana MS 7 988 2073
Piazza al Serchio LU 7 2367 4440
Minucciano LU 8 2102 6542
Fivizzano MS 10 7925 14467
San Romano in Garfagnana LU 11 1410 15877
Camporgiano LU 11 2176 18053
Comano MS 11 714 18767
Vagli Sotto LU 14 939 19706
Careggine LU 14 564 20270
Villa Collemandina LU 15 1334 21604
Ventasso RE 16 4295 25899
Castiglione di Garfagnana LU 16 1818 27717
Licciana Nardi MS 17 4949 32666
Pieve Fosciana LU 18 2414 35080
Castelnuovo di Garfagnana LU 19 5950 41030

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Carrara (63133 inhabitants)
24 Km NE of Massa (69479 inhabitants)
36 Km E of La Spezia (93959 inhabitants)
41 Km N of Viareggio (62467 inhabitants)
48 Km NW of Lucca (89046 inhabitants)
59 Km N of Pisa (89158 inhabitants)
60 Km SW of Reggio nell'Emilia (171345 inhabitants)
63 Km S of Parma (192836 inhabitants)
63 Km NW of Pistoia (90315 inhabitants)
71 Km SW of Modena (184973 inhabitants)
76 Km N of Livorno (159219 inhabitants)
79 Km NW of Prato (191150 inhabitants)
79 Km SW of Carpi (70699 inhabitants)
92 Km W of Bologna (386663 inhabitants)
92 Km NW of Scandicci (50609 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 2.1 2021-05-30
05:23:13
44.2375 10.2488 12 2021-12-29
11:12:08
Bollettino Sismico Italiano INGV 92063761
Reviewed
Rev100
ML 2.1 2021-05-30
05:23:13
44.2422 10.2473 11 2021-05-30
05:31:28
Sala Sismica INGV-Roma 90620731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-30 05:23:13 ± 0.07
Latitude 44.2375 ± 0.0054
Longitude 10.2488 ± 0.0050
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92063761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 586
Semi-minor axis of confidence ellipse (meter) 203
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55218
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 92063761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-12 13:57:44

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 90620731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-30 05:31:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2021-05-30T05:25:04.36 3.0 undecidable manual Sg 15.89 0
IV.ERC.EHZ. 2021-05-30T05:25:03.55 3.0 positive manual Pg 22.540001 0
IV.PLAC.HHZ. 2021-05-30T05:25:02.88 3.0 undecidable manual Pn 6.43 0
MN.CUC.HHZ. 2021-05-30T05:24:57.20 3.0 negative manual Pg 21.059999 0
IV.GIB.HHZ. 2021-05-30T05:24:55.07 3.0 positive manual Pn 7.55 0
IV.VCEL.EHZ. 2021-05-30T05:24:54.40 3.0 undecidable manual Sg 15.79 0
RF.GEPF.HHZ. 2021-05-30T05:24:35.37 3.0 undecidable manual Sn 1.94 0
IV.MNTT.EHZ. 2021-05-30T05:24:24.66 3.0 undecidable manual Sn -2.54 0
IV.BRES.EHZ. 2021-05-30T05:24:21.22 3.0 undecidable manual Sn -5.62 0
ST.CARE.EHZ. 2021-05-30T05:24:19.93 3.0 undecidable manual Sg 5.74 0
IV.NARO.HHZ. 2021-05-30T05:24:14.02 3.0 undecidable manual Sg 8.3 0
IV.PE3.EHZ. 2021-05-30T05:24:13.15 3.0 undecidable manual Sg 9.39 0
IV.RMP.HHZ. 2021-05-30T05:23:58.62 3.0 positive manual Pn 3.01 0
IV.ZONE.HHZ. 2021-05-30T05:23:57.44 3.0 undecidable manual Sg 0.98 0
IV.MNTT.EHZ. 2021-05-30T05:23:52.78 3.0 positive manual Pn -0.17 0
IV.MURB.HHZ. 2021-05-30T05:23:49.23 3.0 positive manual Pg 7.25 0
GU.BLANC.HHZ. 2021-05-30T05:23:48.70 3.0 undecidable manual Pn -1.19 0
IV.FIR.HHZ. 2021-05-30T05:23:42.36 3.0 undecidable manual Sn 0.19 0
ST.RONC.EHZ. 2021-05-30T05:23:40.46 3.0 positive manual Pg 0.88 0
IV.PII.HHZ. 2021-05-30T05:23:32.76 0.6 undecidable manual S 159 61.2942 91 -0.06 45
GU.POPM.HHE. 2021-05-30T05:23:29.00 0.6 undecidable manual S 118 45.7209 91 0.34 44
GU.MAIM.HHE. 2021-05-30T05:23:27.24 0.6 undecidable manual S 152 40.8258 91 -0.12 46
IV.PLMA.HHZ. 2021-05-30T05:23:26.28 0.6 undecidable manual S 237 37.7289 92 -0.25 45
IV.BDI.HHZ. 2021-05-30T05:23:25.27 0.1 undecidable manual S 125 33.744 92 -0.19 93
IV.PII.HHZ. 2021-05-30T05:23:25.27 0.1 undecidable manual P 159 61.2942 91 0.41 85
GU.GSCL.HHZ. 2021-05-30T05:23:24.00 0.1 undecidable manual S 65 29.748 92 -0.39 90
GU.CARD.HHZ. 2021-05-30T05:23:24.22 0.6 undecidable manual S 142 29.9478 92 -0.22 46
GU.GRAM.HHZ. 2021-05-30T05:23:24.44 0.3 undecidable manual S 333 31.6461 92 -0.46 66
GU.POPM.HHE. 2021-05-30T05:23:22.51 0.1 undecidable manual P 118 45.7209 91 0.04 94
IV.NEVI.HNN. 2021-05-30T05:23:22.42 0.3 undecidable manual P 8 38.7279 91 1.03 52
GU.MAIM.HHE. 2021-05-30T05:23:21.64 0.3 undecidable manual P 152 40.8258 91 -0.08 70
IV.PLMA.HHZ. 2021-05-30T05:23:21.51 0.1 positive manual P 237 37.7289 92 0.28 91
IV.BDI.HHZ. 2021-05-30T05:23:20.58 0.1 positive manual P 125 33.744 92 -0.04 96
GU.GSCL.HHZ. 2021-05-30T05:23:20.04 0.1 positive manual P 65 29.748 92 0.04 97
GU.GRAM.HHZ. 2021-05-30T05:23:20.11 0.1 positive manual P 333 31.6461 92 -0.18 93
GU.CARD.HHZ. 2021-05-30T05:23:20.00 0.1 undecidable manual P 142 29.9478 92 -0.03 96
GU.FIVI.HNE. 2021-05-30T05:23:19.13 0.1 undecidable manual S 271 9.6792 126 -0.07 100
GU.EQUI.HHZ. 2021-05-30T05:23:19.23 0.6 undecidable manual S 224 10.9779 120 -0.27 48
GU.SARM.EHE. 2021-05-30T05:23:19.95 0.6 undecidable manual S 116 13.4754 110 -0.14 49
GU.SARM.EHE. 2021-05-30T05:23:17.61 0.1 undecidable manual P 116 13.4754 110 0.09 98
GU.FIVI.HNE. 2021-05-30T05:23:17.07 0.1 negative manual P 271 9.6792 126 0.07 99
GU.EQUI.HHZ. 2021-05-30T05:23:17.14 0.1 undecidable manual P 224 10.9779 120 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.EQUI.HHN. ML:1.5 0.000328 0.62 AML other m 2021-05-30T05:23:19.52
GU.EQUI.HHE. ML:1.7 0.0005645 1.38 AML other m 2021-05-30T05:23:19.92
GU.GSCL.HHE. ML:2.0 0.00043599999999999997 0.28 AML other m 2021-05-30T05:23:24.17
GU.GSCL.HHN. ML:2.1 0.0005574999999999999 0.24 AML other m 2021-05-30T05:23:24.31
GU.CARD.HHE. ML:2.3 0.0009995 0.36 AML other m 2021-05-30T05:23:24.74
GU.CARD.HHN. ML:2.3 0.0009795000000000001 0.12 AML other m 2021-05-30T05:23:24.88
GU.GRAM.HHE. ML:2.5 0.001595 1.7 AML other m 2021-05-30T05:23:24.14
GU.GRAM.HHN. ML:2.4 0.0012549999999999998 1 AML other m 2021-05-30T05:23:25.05
IV.BDI.HHE. ML:2.0 0.0003735 1.1 AML other m 2021-05-30T05:23:26.57
IV.BDI.HNE. ML:2.0 0.0004285 1.12 AML other m 2021-05-30T05:23:26.03
IV.BDI.HHN. ML:2.0 0.00046599999999999994 0.42 AML other m 2021-05-30T05:23:26.04
IV.BDI.HNN. ML:1.9 0.0003575 1.48 AML other m 2021-05-30T05:23:26.79
IV.PLMA.HHE. ML:2.0 0.0003535 0.3 AML other m 2021-05-30T05:23:26.98
IV.PLMA.HHN. ML:2.0 0.0003235 0.12 AML other m 2021-05-30T05:23:27.16
IV.PII.HHE. ML:2.3 0.0004325 0.84 AML other m 2021-05-30T05:23:33.64
IV.PII.HHN. ML:2.2 0.0002825 0.76 AML other m 2021-05-30T05:23:35.82
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
Waveforms Seismic signals in miniseed + resp format Download