Earthquake with magnitude of ML 2.2 on date 04-07-2022 and time 05:15:42 (UTC) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 2.2 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 04-07-2022 05:15:42 (UTC)
  • 04-07-2022 07:15:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8520, 10.1930 at 4 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
Viareggio LU 5 62467 62467
Massarosa LU 12 22471 84938
Forte dei Marmi LU 12 7510 92448
Pietrasanta LU 12 24007 116455
Camaiore LU 13 32513 148968
Seravezza LU 16 13073 162041
Vecchiano PI 17 12189 174230
Stazzema LU 18 3193 177423
Montignoso MS 19 10323 187746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km W of Viareggio (62467 inhabitants)
21 Km S of Massa (69479 inhabitants)
23 Km NW of Pisa (89158 inhabitants)
25 Km W of Lucca (89046 inhabitants)
26 Km SE of Carrara (63133 inhabitants)
35 Km N of Livorno (159219 inhabitants)
41 Km SE of La Spezia (93959 inhabitants)
59 Km W of Pistoia (90315 inhabitants)
73 Km W of Prato (191150 inhabitants)
80 Km W of Scandicci (50609 inhabitants)
86 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 2.2 2022-07-04
05:15:42
43.8523 10.1932 5 2023-01-31
19:03:49
Bollettino Sismico Italiano INGV 110391321
Reviewed
Rev100
ML 2.1 2022-07-04
05:15:43
43.8528 10.2118 10 2022-07-04
05:24:44
Sala Sismica INGV-Roma 106780251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-04 05:15:42 ± 0.16
Latitude 43.8523 ± 0.0072
Longitude 10.1932 ± 0.0087
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110391321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 665
Semi-minor axis of confidence ellipse (meter) 543
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
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) 63
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.22303
Epicentral distance of station farthest from the epicenter (degree) 2.33824
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:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 41
Type of magnitude ML
Reference to an origin 110391321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-09 02:02:17

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 46
Type of magnitude ML
Reference to an origin 106780251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-04 05:24:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2022-07-04T05:16:21.63 0.6 undecidable manual P 133 259.5402 38 -0.99 15
ST.VARA.EHZ. 2022-07-04T05:16:20.38 0.6 undecidable manual P 14 225.8073 38 1.96 11
IV.MAGA.HHZ. 2022-07-04T05:16:19.23 0.3 undecidable manual P 9 216.0171 38 2.03 16
IV.MBAL.EHZ. 2022-07-04T05:16:18.67 0.3 undecidable manual P 14 211.3329 38 2.06 16
GU.MGRO.HHZ. 2022-07-04T05:16:12.38 0.3 undecidable manual P 277 191.6637 38 -1.78 24
RD.PGF.BHZ. 2022-07-04T05:16:10.31 0.3 undecidable manual P 214 173.8926 50 -1.41 33
GU.CANO.HHZ. 2022-07-04T05:16:08.26 0.3 undecidable manual P 285 160.9167 50 -1.46 34
GU.PCP.HHZ. 2022-07-04T05:16:07.41 0.3 undecidable manual P 301 151.737 50 -0.89 47
IV.MOCL.EHZ. 2022-07-04T05:16:07.40 0.6 undecidable manual S 78 80.6637 50 -0.72 39
IV.SFI.EHZ. 2022-07-04T05:16:06.08 0.3 undecidable manual P 87 132.3675 50 0.76 51
IV.LMD.HHZ. 2022-07-04T05:16:05.74 0.6 undecidable manual P 78 123.4875 50 1.79 20
GU.RNCA.HHZ. 2022-07-04T05:16:04.19 0.6 undecidable manual P 305 120.2907 50 0.72 35
IV.CASP.HHZ. 2022-07-04T05:16:04.32 0.3 undecidable manual P 155 129.6702 50 -0.58 56
IV.CELB.HHE. 2022-07-04T05:16:03.55 1.0 undecidable manual P 179 122.6883 50 -0.28 21
GU.GSCL.HHZ. 2022-07-04T05:16:03.20 0.3 undecidable manual S 30 63.5919 50 -0.36 68
IV.ERBM.EHE. 2022-07-04T05:16:03.45 0.6 undecidable manual S 15 65.2902 50 -0.56 43
GU.GORR.HHZ. 2022-07-04T05:16:02.40 0.3 undecidable manual P 320 110.2119 50 0.5 59
IV.RUFI.EHZ. 2022-07-04T05:16:01.60 0.3 undecidable manual P 90 105.3168 50 0.44 61
IV.ZCCA.HHZ. 2022-07-04T05:15:59.17 0.3 undecidable manual P 48 83.3499 50 1.4 41
IV.SEI.HHZ. 2022-07-04T05:15:59.71 0.3 undecidable manual P 76 95.7264 50 0.04 68
IV.MOCL.EHZ. 2022-07-04T05:15:57.40 0.3 undecidable manual P 78 80.6637 50 0.04 70
GU.FIVI.HNZ. 2022-07-04T05:15:57.20 0.3 undecidable manual S 353 43.2234 96 -0.55 67
GU.SARM.EHE. 2022-07-04T05:15:56.40 1.0 undecidable manual S 24 40.3263 96 -0.35 24
IV.MPPT.EHZ. 2022-07-04T05:15:56.11 0.1 positive manual P 80 72.6717 50 -0.01 95
IV.MSSA.HHZ. 2022-07-04T05:15:56.53 0.3 undecidable manual P 314 74.4699 50 0.13 69
GU.GRAM.HHZ. 2022-07-04T05:15:56.41 0.3 undecidable manual P 352 71.4729 50 0.47 65
IV.PLMA.HHZ. 2022-07-04T05:15:55.00 0.6 undecidable manual S 309 34.8429 97 0.15 50
IV.BDI.HHZ. 2022-07-04T05:15:55.90 0.1 undecidable manual S 54 39.7269 96 -0.63 86
GU.GSCL.HHZ. 2022-07-04T05:15:55.16 0.1 positive manual P 30 63.5919 50 0.44 88
MN.VLC.HHZ. 2022-07-04T05:15:55.20 0.6 undecidable manual S 24 37.4292 97 -0.53 45
GU.EQUI.HHZ. 2022-07-04T05:15:54.50 0.3 undecidable manual S 355 34.9428 97 -0.38 71
IV.ERBM.EHE. 2022-07-04T05:15:54.46 0.3 undecidable manual P 15 65.2902 50 -0.52 65
IV.CRMI.HHZ. 2022-07-04T05:15:54.62 0.3 undecidable manual P 95 63.2922 50 -0.05 72
GU.CARD.HHZ. 2022-07-04T05:15:53.00 0.3 undecidable manual S 50 30.0477 98 -0.21 74
IV.PII.HHZ. 2022-07-04T05:15:52.70 0.3 undecidable manual S 118 30.2475 98 -0.57 68
GU.POPM.HHZ. 2022-07-04T05:15:52.37 0.3 undecidable manual P 64 49.8168 50 -0.23 71
GU.MAIM.HHZ. 2022-07-04T05:15:51.20 0.6 undecidable manual S 74 24.753 100 -0.2 50
GU.FIVI.HNZ. 2022-07-04T05:15:51.48 0.6 undecidable manual P 353 43.2234 96 0.11 49
GU.SARM.EHE. 2022-07-04T05:15:50.96 0.1 positive manual P 24 40.3263 96 0.17 98
IV.BDI.HHZ. 2022-07-04T05:15:50.60 0.1 positive manual P 54 39.7269 96 -0.07 100
MN.VLC.HHZ. 2022-07-04T05:15:50.46 0.1 positive manual P 24 37.4292 97 0.26 97
VR.VRG01.HH2. 2022-07-04T05:15:49.91 0.3 undecidable manual P 134 34.9428 97 0.19 74
IV.PLMA.HHZ. 2022-07-04T05:15:49.97 0.3 undecidable manual P 309 34.8429 97 0.27 72
GU.CARD.HHZ. 2022-07-04T05:15:49.02 0.1 positive manual P 50 30.0477 98 0.27 98
GU.EQUI.HHZ. 2022-07-04T05:15:49.97 0.1 positive manual P 355 34.9428 97 0.25 97
IV.PII.HHZ. 2022-07-04T05:15:48.94 0.1 positive manual P 118 30.2475 98 0.16 100
GU.MAIM.HHZ. 2022-07-04T05:15:48.16 0.1 negative manual P 74 24.753 100 0.46 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHN. ML:2.2 0.0009000646999999999 0.16 AML other m 2022-07-04T05:15:51.87
GU.MAIM.HHE. ML:2.1 0.000767 1.74 AML other m 2022-07-04T05:15:52.87
IV.PII.HHN. ML:2.0 0.00051617965 0.32 AML other m 2022-07-04T05:15:53.07
GU.CARD.HHN. ML:2.6 0.0021520145 0.1184 AML other m 2022-07-04T05:15:53.58
GU.CARD.HHE. ML:2.6 0.002005 0.16 AML other m 2022-07-04T05:15:53.69
IV.PII.HHE. ML:2.1 0.000657 1.8 AML other m 2022-07-04T05:15:53.04
GU.EQUI.HHE. ML:2.0 0.00039440815 0.1184 AML other m 2022-07-04T05:15:55.62
GU.EQUI.HHN. ML:1.9 0.00034994375 0.2016 AML other m 2022-07-04T05:15:55.75
IV.PLMA.HHN. ML:2.1 0.000551 0.1 AML other m 2022-07-04T05:15:55.70
MN.VLC.HHE. ML:2.1 0.0004666433 0.2592 AML other m 2022-07-04T05:15:55.76
MN.VLC.HNE. ML:2.1 0.00044857565 0.2592 AML other m 2022-07-04T05:15:55.76
MN.VLC.HNN. ML:1.9 0.00034149384999999997 0.0992 AML other m 2022-07-04T05:15:56.05
MN.VLC.HHN. ML:2.0 0.00036516930000000003 0.08 AML other m 2022-07-04T05:15:56.00
IV.PLMA.HHE. ML:2.0 0.00038998924999999996 0.2208 AML other m 2022-07-04T05:15:56.26
IV.BDI.HHE. ML:2.2 0.0006373252000000001 0.1408 AML other m 2022-07-04T05:15:56.74
IV.BDI.HNE. ML:2.2 0.0006337891 0.1312 AML other m 2022-07-04T05:15:56.74
IV.BDI.HNN. ML:2.1 0.00046720854999999996 1.7408 AML other m 2022-07-04T05:15:57.02
IV.BDI.HHN. ML:2.1 0.0005037967 1.7408 AML other m 2022-07-04T05:15:57.03
GU.POPM.HHN. ML:2.5 0.0008855 0.16 AML other m 2022-07-04T05:15:59.20
GU.POPM.HHE. ML:2.7 0.00125 1.8 AML other m 2022-07-04T05:16:00.08
GU.GSCL.HHE. ML:2.6 0.0008281851 0.24 AML other m 2022-07-04T05:16:03.51
GU.GSCL.HHN. ML:2.6 0.0007365 0.26 AML other m 2022-07-04T05:16:03.54
IV.MSSA.HHN. ML:2.8 0.0009785 1.08 AML other m 2022-07-04T05:16:06.27
IV.CRMI.HHE. ML:1.9 0.000149 0.26 AML other m 2022-07-04T05:16:06.43
IV.CRMI.HNE. ML:2.1 0.0002297161 0.2592 AML other m 2022-07-04T05:16:06.56
IV.CRMI.HHN. ML:1.9 0.0001725 0.26 AML other m 2022-07-04T05:16:06.44
IV.MSSA.HHE. ML:2.8 0.00108 0.1 AML other m 2022-07-04T05:16:06.46
GU.GRAM.HHE. ML:2.5 0.000506 0.22 AML other m 2022-07-04T05:16:07.36
GU.GRAM.HHN. ML:2.6 0.000743 0.3 AML other m 2022-07-04T05:16:08.20
IV.MPPT.EHE. ML:2.0 0.00016619929 0.4224 AML other m 2022-07-04T05:16:08.64
IV.MPPT.EHN. ML:2.1 0.00019600000000000002 0.32 AML other m 2022-07-04T05:16:09.15
IV.MOCL.EHE. ML:2.7 0.0006799999999999999 0.32 AML other m 2022-07-04T05:16:10.30
IV.MOCL.EHN. ML:2.4 0.0003395 0.26 AML other m 2022-07-04T05:16:10.49
IV.SEI.HHN. ML:2.8 0.0006194999999999999 0.42 AML other m 2022-07-04T05:16:15.59
IV.SEI.HHE. ML:2.6 0.00044761135 0.4 AML other m 2022-07-04T05:16:16.28
IV.RUFI.EHN. ML:2.0 0.00010224999999999999 0.74 AML other m 2022-07-04T05:16:16.46
IV.RUFI.EHE. ML:2.1 0.00010835 0.62 AML other m 2022-07-04T05:16:16.31
GU.GORR.HHN. ML:2.3 0.00017041780000000002 0.3008 AML other m 2022-07-04T05:16:18.64
GU.GORR.HHE. ML:2.4 0.0002324857 0.3584 AML other m 2022-07-04T05:16:18.96
GU.RNCA.HHE. ML:2.1 0.00010025000000000001 0.56 AML other m 2022-07-04T05:16:21.47
GU.RNCA.HHN. ML:2.2 0.00011347479999999999 0.1792 AML other m 2022-07-04T05:16:22.87
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