Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 06-06-2021 and time 14:53:38 (Italy) in region 4 km NW Piteglio (PT)

A magnitude ML 1.7 earthquake occured in region: 4 km NW Piteglio (PT), on

  • 06-06-2021 12:53:38 (UTC)
  • 06-06-2021 14:53:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0600, 10.7320 at 61 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
Piteglio PT 5 1683 1683
San Marcello Pistoiese PT 5 6416 8099
Cutigliano PT 5 1488 9587
Abetone PT 11 621 10208
Bagni di Lucca LU 12 6161 16369
Marliana PT 14 3210 19579
Fiumalbo MO 15 1280 20859
Villa Basilica LU 16 1633 22492
Coreglia Antelminelli LU 17 5215 27707
Massa e Cozzile PT 17 7983 35690
Lizzano in Belvedere BO 17 2212 37902
Fanano MO 17 2989 40891
Borgo a Mozzano LU 18 6994 47885
Pescia PT 18 19644 67529
Pievepelago MO 19 2222 69751
Serravalle Pistoiese PT 19 11659 81410
Sestola MO 19 2508 83918
Uzzano PT 20 5770 89688
Barga LU 20 10034 99722
Montecatini-Terme PT 20 20409 120131
Buggiano PT 20 8825 128956
Riolunato MO 20 712 129668

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Pistoia (90315 inhabitants)
30 Km NE of Lucca (89046 inhabitants)
35 Km NW of Prato (191150 inhabitants)
44 Km E of Viareggio (62467 inhabitants)
47 Km NE of Pisa (89158 inhabitants)
47 Km E of Massa (69479 inhabitants)
49 Km NW of Scandicci (50609 inhabitants)
51 Km E of Carrara (63133 inhabitants)
53 Km NW of Firenze (382808 inhabitants)
66 Km NE of Livorno (159219 inhabitants)
67 Km S of Modena (184973 inhabitants)
69 Km SW of Bologna (386663 inhabitants)
71 Km S of Reggio nell'Emilia (171345 inhabitants)
72 Km E of La Spezia (93959 inhabitants)
81 Km S of Carpi (70699 inhabitants)
85 Km W of Imola (69797 inhabitants)
89 Km SE of Parma (192836 inhabitants)
95 Km W of Faenza (58541 inhabitants)
96 Km NW of Siena (53903 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 1.7 2021-06-06
12:53:38		 44.0603 10.7323 61 2021-12-29
11:12:08		 Bollettino Sismico Italiano INGV 92182651
Reviewed
Rev100 		ML 1.8 2021-06-06
12:53:39		 44.0285 10.7388 51 2021-06-06
13:04:05		 Sala Sismica INGV-Roma 90856001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-06 12:53:38 ± 0.21
Latitude 44.0603 ± 0.0126
Longitude 10.7323 ± 0.0150
Depth (km) 61 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92182651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1227
Semi-minor axis of confidence ellipse (meter) 984
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 39
Circular confidence region, given by single value of horizontal uncertainty (meter) 1230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 35
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 2.80139
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 27
Type of magnitude ML
Reference to an origin 92182651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-13 13:06:26

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 90856001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-06 13:04:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUSIO.HHZ. 2021-06-06T12:54:20.74 0.3 undecidable manual P 329 310.9554 95 -0.58 15
IV.BRES.EHZ. 2021-06-06T12:54:19.92 0.3 undecidable manual P 15 302.8635 95 -0.41 17
NI.PALA.HHZ. 2021-06-06T12:54:17.85 0.3 undecidable manual P 34 296.8806 95 -1.73 9
SI.KOSI.HHZ. 2021-06-06T12:54:15.64 0.3 undecidable manual P 10 271.2285 96 -0.77 20
ST.ZIAN.EHZ. 2021-06-06T12:54:13.47 0.3 undecidable manual P 15 254.2566 96 -0.84 23
CH.MUGIO.HHZ. 2021-06-06T12:54:12.24 0.3 undecidable manual P 328 245.4654 96 -0.98 22
IV.CRE.HHZ. 2021-06-06T12:54:10.13 0.6 undecidable manual S 116 109.113 108 0.23 39
OX.VARN.HHZ. 2021-06-06T12:54:10.75 0.3 undecidable manual P 26 239.7822 97 -1.77 15
ST.GAGG.HHZ. 2021-06-06T12:54:09.41 0.3 undecidable manual P 4 225.108 97 -1.29 22
ST.RONC.EHZ. 2021-06-06T12:54:08.38 0.3 undecidable manual P 358 213.1311 98 -0.85 30
IV.MDI.HHZ. 2021-06-06T12:54:07.59 0.3 undecidable manual P 338 205.7385 98 -0.72 33
SI.LUSI.HHZ. 2021-06-06T12:54:07.52 0.3 undecidable manual P 4 211.3329 98 -1.48 22
ST.DOSS.HHZ. 2021-06-06T12:54:06.63 0.3 undecidable manual P 10 205.1391 98 -1.6 21
IV.ASQU.HHZ. 2021-06-06T12:54:05.39 0.6 undecidable manual S 109 89.3439 113 -0.52 39
IV.SFI.EHZ. 2021-06-06T12:54:05.85 0.6 undecidable manual S 101 90.6426 113 -0.31 41
IV.MAGO.CHZ. 2021-06-06T12:54:05.25 0.6 undecidable manual S 184 87.5457 114 -0.29 41
GU.GRAM.HHZ. 2021-06-06T12:54:04.89 0.6 undecidable manual S 312 71.2731 120 2.45 12
IV.CSNT.HHZ. 2021-06-06T12:54:03.43 0.6 undecidable manual S 145 78.9654 117 -0.46 41
IV.PLMA.HHZ. 2021-06-06T12:54:01.63 0.6 undecidable manual S 269 70.0743 121 -0.58 38
IV.RUFI.EHZ. 2021-06-06T12:54:00.64 0.6 undecidable manual S 111 66.7776 123 -0.97 35
IV.CASP.HHZ. 2021-06-06T12:54:00.69 0.3 undecidable manual P 176 141.2475 103 0.28 55
IV.PII.HHZ. 2021-06-06T12:53:57.20 0.6 undecidable manual S 204 41.0256 139 -0.19 46
GU.GSCL.HHZ. 2021-06-06T12:53:57.75 0.6 undecidable manual S 340 34.2435 145 1.26 30
GU.EQUI.HHZ. 2021-06-06T12:53:57.84 0.6 undecidable manual S 284 47.619 134 -0.52 41
IV.CRMI.HHZ. 2021-06-06T12:53:56.27 0.6 undecidable manual S 146 35.3424 144 -0.37 45
IV.CRE.HHZ. 2021-06-06T12:53:56.92 0.1 undecidable manual P 116 109.113 108 0.36 77
GU.MAIM.HHZ. 2021-06-06T12:53:55.06 0.6 undecidable manual S 230 25.2525 153 -0.43 45
GU.SARM.EHN. 2021-06-06T12:53:55.71 0.6 undecidable manual S 298 29.748 149 -0.25 46
IV.MPPT.EHZ. 2021-06-06T12:53:55.14 0.6 undecidable manual S 112 30.747 148 -0.93 38
IV.MAGO.CHZ. 2021-06-06T12:53:54.10 0.1 negative manual P 184 87.5457 114 0.06 86
GU.CARD.HHZ. 2021-06-06T12:53:54.47 0.6 undecidable manual S 259 20.2686 158 -0.58 44
IV.ASQU.HHZ. 2021-06-06T12:53:54.27 0.3 undecidable manual P 109 89.3439 113 0.01 64
IV.SFI.EHZ. 2021-06-06T12:53:54.67 0.3 undecidable manual P 101 90.6426 113 0.27 61
GU.POPM.HHZ. 2021-06-06T12:53:53.65 0.6 undecidable manual S 131 2.5974 177 -0.57 46
GU.GRAM.HHZ. 2021-06-06T12:53:53.91 0.1 undecidable manual P 312 71.2731 120 1.66 48
IV.CSNT.HHZ. 2021-06-06T12:53:53.26 0.3 undecidable manual P 145 78.9654 117 0.17 63
IV.BDI.HHZ. 2021-06-06T12:53:53.92 0.3 undecidable manual S 272 10.878 168 -0.53 68
IV.PLMA.HHZ. 2021-06-06T12:53:52.25 0.1 undecidable manual P 269 70.0743 121 0.13 88
IV.RUFI.EHZ. 2021-06-06T12:53:51.70 0.1 undecidable manual P 111 66.7776 123 -0.07 89
IV.SEI.HHZ. 2021-06-06T12:53:50.52 0.3 undecidable manual P 91 49.9167 133 0.41 63
GU.GSCL.HHZ. 2021-06-06T12:53:50.06 0.1 undecidable manual P 340 34.2435 145 1.25 62
GU.EQUI.HHZ. 2021-06-06T12:53:50.08 0.1 positive manual P 284 47.619 134 0.18 91
IV.ZCCA.HHZ. 2021-06-06T12:53:50.65 0.1 undecidable manual P 31 37.629 142 1.58 50
IV.PII.HHZ. 2021-06-06T12:53:49.80 0.1 negative manual P 204 41.0256 139 0.46 85
IV.FNVD.HHZ. 2021-06-06T12:53:49.86 0.3 undecidable manual P 69 33.3444 146 1.11 49
IV.CRMI.HHZ. 2021-06-06T12:53:49.02 0.1 undecidable manual P 146 35.3424 144 0.12 92
IV.MOCL.EHZ. 2021-06-06T12:53:49.79 0.3 undecidable manual P 100 36.2415 143 0.82 55
GU.MAIM.HHZ. 2021-06-06T12:53:48.44 0.1 undecidable manual P 230 25.2525 153 0.2 93
GU.SARM.EHN. 2021-06-06T12:53:48.71 0.1 undecidable manual P 298 29.748 149 0.2 93
IV.MPPT.EHZ. 2021-06-06T12:53:48.49 0.1 undecidable manual P 112 30.747 148 -0.09 95
IV.BDI.HHZ. 2021-06-06T12:53:47.58 0.1 positive manual P 272 10.878 168 -0.06 98
GU.POPM.HHZ. 2021-06-06T12:53:47.45 0.1 positive manual P 131 2.5974 177 -0.05 100
GU.CARD.HHZ. 2021-06-06T12:53:47.99 0.1 positive manual P 259 20.2686 158 0 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:2.0 0.00020672785 0.1984 AML other m 2021-06-06T12:53:53.78
GU.POPM.HHE. ML:1.9 0.0001620693 0.1984 AML other m 2021-06-06T12:53:53.89
IV.BDI.HNN. ML:2.2 0.00034342595 0.1216 AML other m 2021-06-06T12:53:54.10
IV.BDI.HHN. ML:2.5 0.0006274999999999999 0.12 AML other m 2021-06-06T12:53:54.10
IV.BDI.HNE. ML:2.6 0.0007810528 0.0896 AML other m 2021-06-06T12:53:54.14
IV.BDI.HHE. ML:2.6 0.0008255 0.1 AML other m 2021-06-06T12:53:54.14
GU.CARD.HHE. ML:2.5 0.0006535 0.14 AML other m 2021-06-06T12:53:54.65
GU.CARD.HHN. ML:2.5 0.0006675 0.1 AML other m 2021-06-06T12:53:54.74
GU.MAIM.HHE. ML:2.0 0.0001821021 0.1024 AML other m 2021-06-06T12:53:55.36
GU.MAIM.HHN. ML:2.2 0.00032552610000000006 0.0832 AML other m 2021-06-06T12:53:55.37
IV.MPPT.EHE. ML:1.4 0.000047108025 0.3584 AML other m 2021-06-06T12:53:55.60
IV.MPPT.EHN. ML:1.4 0.00005144834 0.16 AML other m 2021-06-06T12:53:55.56
IV.CRMI.HHN. ML:1.5 0.000052706665 0.2176 AML other m 2021-06-06T12:53:56.35
IV.CRMI.HHE. ML:1.2 0.0000249546275 0.0768 AML other m 2021-06-06T12:53:56.48
IV.PII.HHN. ML:2.5 0.00047944810000000003 0.1792 AML other m 2021-06-06T12:53:57.44
IV.PII.HHE. ML:2.6 0.0006445805 0.2176 AML other m 2021-06-06T12:53:57.43
GU.GSCL.HHN. ML:1.6 0.00006161426 0.3392 AML other m 2021-06-06T12:53:57.89
GU.EQUI.HHN. ML:1.1 0.00002225601 0.2624 AML other m 2021-06-06T12:53:59.13
GU.EQUI.HHE. ML:1.4 0.000035223465000000003 0.4224 AML other m 2021-06-06T12:53:58.92
IV.PLMA.HHE. ML:1.5 0.000035298314999999995 0.3008 AML other m 2021-06-06T12:54:02.41
IV.MAGO.CHN. ML:1.8 0.00006065 0.18 AML other m 2021-06-06T12:54:05.42
IV.CSNT.HHE. ML:1.3 0.000022133925 0.3584 AML other m 2021-06-06T12:54:05.57
IV.MAGO.CHE. ML:1.6 0.00003744686499999999 0.128 AML other m 2021-06-06T12:54:05.80
IV.ASQU.HHE. ML:1.4 0.00002669115 0.2624 AML other m 2021-06-06T12:54:06.31
IV.ASQU.HHN. ML:1.2 0.0000169493 0.1792 AML other m 2021-06-06T12:54:07.17
IV.CSNT.HHN. ML:1.4 0.000026349999999999997 1.12 AML other m 2021-06-06T12:54:08.10
IV.CRE.HHN. ML:1.8 0.00004405000000000001 1.34 AML other m 2021-06-06T12:54:11.08
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