Earthquake with magnitude of ML 2.1 on date 04-07-2022 and time 05:17:41 (UTC) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 2.1 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 04-07-2022 05:17:41 (UTC)
  • 04-07-2022 07:17:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8520, 10.1990 at 5 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)
22 Km NW of Pisa (89158 inhabitants)
24 Km W of Lucca (89046 inhabitants)
27 Km SE of Carrara (63133 inhabitants)
34 Km N of Livorno (159219 inhabitants)
41 Km SE of La Spezia (93959 inhabitants)
58 Km W of Pistoia (90315 inhabitants)
72 Km W of Prato (191150 inhabitants)
80 Km W of Scandicci (50609 inhabitants)
85 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 2.1 2022-07-04
05:17:41
43.8515 10.1992 5 2023-01-31
19:03:52
Bollettino Sismico Italiano INGV 110942921
Reviewed
Rev100
ML 2.1 2022-07-04
05:17:41
43.8577 10.1967 4 2022-07-04
05:22:57
Sala Sismica INGV-Roma 106780131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-04 05:17:41 ± 0.13
Latitude 43.8515 ± 0.0063
Longitude 10.1992 ± 0.0075
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 110942921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 597
Semi-minor axis of confidence ellipse (meter) 390
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.21943
Epicentral distance of station farthest from the epicenter (degree) 1.56842
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 106780131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-04 05:22:57

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 110942921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-30 16:32:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.PGF.BHZ. 2022-07-04T05:18:08.84 0.3 undecidable manual P 214 174.0924 50 -1.73 26
GU.CANO.HHZ. 2022-07-04T05:18:07.11 0.6 undecidable manual P 285 161.4162 50 -1.5 22
GU.PCP.HHZ. 2022-07-04T05:18:06.33 0.3 undecidable manual P 301 152.1366 50 -0.85 47
IV.CRE.HHZ. 2022-07-04T05:18:06.38 0.3 undecidable manual P 100 142.8459 50 0.64 52
GU.GRAM.HHZ. 2022-07-04T05:18:04.20 1.0 undecidable manual S 351 71.6727 50 -0.25 23
IV.CASP.HHZ. 2022-07-04T05:18:03.27 0.3 undecidable manual P 155 129.3705 50 -0.4 58
IV.MPPT.EHZ. 2022-07-04T05:18:03.90 0.6 undecidable manual S 80 72.1722 50 -0.68 40
GU.RNCA.HHZ. 2022-07-04T05:18:03.07 0.3 undecidable manual P 305 120.7902 50 0.72 52
IV.CELB.HHE. 2022-07-04T05:18:02.42 1.0 undecidable manual P 180 122.5884 50 -0.2 21
GU.GSCL.HHZ. 2022-07-04T05:18:01.70 0.3 undecidable manual S 29 63.492 50 -0.55 64
GU.GORR.HHZ. 2022-07-04T05:18:01.09 0.3 undecidable manual P 320 110.5005 50 0.32 61
IV.RUFI.EHZ. 2022-07-04T05:18:00.44 0.3 undecidable manual P 90 104.8173 50 0.55 58
IV.SEI.HHZ. 2022-07-04T05:17:58.08 1.0 undecidable manual P 76 95.3379 50 -0.34 21
IV.BOSL.HHZ. 2022-07-04T05:17:58.65 0.3 undecidable manual P 84 94.3389 50 0.37 62
IV.ZCCA.HHZ. 2022-07-04T05:17:58.15 0.3 undecidable manual P 48 83.0502 50 1.61 36
GU.POPM.HHZ. 2022-07-04T05:17:57.58 0.6 undecidable manual S 64 49.4172 50 -0.93 38
IV.FNVD.HHZ. 2022-07-04T05:17:56.83 0.3 undecidable manual P 64 81.6516 50 0.52 62
IV.MOCL.EHZ. 2022-07-04T05:17:56.01 0.6 undecidable manual P 77 80.2641 50 -0.09 46
IV.MSSA.HHZ. 2022-07-04T05:17:55.35 0.3 undecidable manual P 314 74.8695 50 0.07 69
GU.GRAM.HHZ. 2022-07-04T05:17:55.26 0.1 positive manual P 351 71.6727 50 0.48 85
GU.SARM.EHN. 2022-07-04T05:17:55.20 1.0 undecidable manual S 24 40.2264 97 -0.46 23
IV.MPPT.EHZ. 2022-07-04T05:17:54.92 0.1 positive manual P 80 72.1722 50 0.06 93
IV.BDI.HHZ. 2022-07-04T05:17:54.70 0.6 undecidable manual S 53 39.4272 98 -0.67 42
MN.VLC.HHZ. 2022-07-04T05:17:54.30 0.6 undecidable manual S 24 37.2294 98 -0.34 47
GU.EQUI.HHZ. 2022-07-04T05:17:53.31 1.0 undecidable manual S 354 35.0427 99 -0.57 22
GU.GSCL.HHZ. 2022-07-04T05:17:53.95 0.3 undecidable manual P 29 63.492 50 0.44 65
IV.CRMI.HHZ. 2022-07-04T05:17:53.44 0.3 undecidable manual P 95 62.7927 50 0.03 71
IV.PLMA.HHZ. 2022-07-04T05:17:53.49 0.6 undecidable manual S 309 35.2425 99 -0.46 46
GU.CARD.HHZ. 2022-07-04T05:17:52.00 0.3 undecidable manual S 49 29.748 100 -0.07 75
IV.PII.HHZ. 2022-07-04T05:17:51.46 0.3 undecidable manual S 119 29.748 100 -0.61 65
GU.POPM.HHZ. 2022-07-04T05:17:51.20 0.1 undecidable manual P 64 49.4172 50 -0.16 96
GU.FIVI.HNE. 2022-07-04T05:17:50.02 1.0 undecidable manual P 352 43.4232 97 -0.32 23
GU.MAIM.HHZ. 2022-07-04T05:17:50.05 0.6 undecidable manual S 74 24.3534 102 -0.18 49
GU.SARM.EHN. 2022-07-04T05:17:49.76 0.1 positive manual P 24 40.2264 97 0.05 99
MN.VLC.HHZ. 2022-07-04T05:17:49.27 0.1 positive manual P 24 37.2294 98 0.15 98
IV.BDI.HHZ. 2022-07-04T05:17:49.43 0.1 undecidable manual P 53 39.4272 98 -0.11 98
VR.VRG01.HH2. 2022-07-04T05:17:48.60 0.3 undecidable manual P 135 34.5432 99 0.02 76
VR.VRG03.HH1. 2022-07-04T05:17:48.12 1.0 undecidable manual P 137 31.9458 99 0.07 25
GU.EQUI.HHZ. 2022-07-04T05:17:48.79 0.1 positive manual P 354 35.0427 99 0.11 99
IV.PLMA.HHZ. 2022-07-04T05:17:48.77 0.1 undecidable manual P 309 35.2425 99 0.05 100
VR.VRG02.HH2. 2022-07-04T05:17:48.60 0.6 undecidable manual P 130 33.3444 99 0.25 48
GU.CARD.HHZ. 2022-07-04T05:17:47.82 0.1 positive manual P 49 29.748 100 0.19 98
IV.PII.HHZ. 2022-07-04T05:17:47.75 0.3 undecidable manual P 119 29.748 100 0.11 75
GU.MAIM.HHZ. 2022-07-04T05:17:46.97 0.1 negative manual P 74 24.3534 102 0.4 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHN. ML:2.3 0.0012250000000000002 0.4 AML other m 2022-07-04T05:17:50.72
GU.MAIM.HHE. ML:2.1 0.00078 0.2 AML other m 2022-07-04T05:17:50.67
IV.PII.HHN. ML:2.1 0.000653 0.46 AML other m 2022-07-04T05:17:51.85
GU.CARD.HHN. ML:2.6 0.00233 0.12 AML other m 2022-07-04T05:17:52.38
GU.CARD.HHE. ML:2.5 0.0016099999999999999 0.64 AML other m 2022-07-04T05:17:52.74
IV.PII.HHE. ML:2.1 0.0006590000000000001 0.16 AML other m 2022-07-04T05:17:52.81
GU.EQUI.HHE. ML:1.8 0.00029400000000000004 0.96 AML other m 2022-07-04T05:17:53.86
IV.PLMA.HHN. ML:1.9 0.000358 0.12 AML other m 2022-07-04T05:17:54.58
MN.VLC.HHN. ML:2.0 0.00036899999999999997 0.66 AML other m 2022-07-04T05:17:54.53
MN.VLC.HNN. ML:2.0 0.000352 0.68 AML other m 2022-07-04T05:17:54.53
MN.VLC.HHE. ML:1.9 0.00033199999999999994 0.6 AML other m 2022-07-04T05:17:54.59
MN.VLC.HNE. ML:1.9 0.00031999999999999997 0.62 AML other m 2022-07-04T05:17:54.59
IV.PLMA.HHE. ML:1.9 0.0003235 0.8 AML other m 2022-07-04T05:17:55.08
GU.EQUI.HHN. ML:1.8 0.00029000000000000006 1.64 AML other m 2022-07-04T05:17:55.91
IV.BDI.HNE. ML:2.2 0.0006285 0.72 AML other m 2022-07-04T05:17:55.17
IV.BDI.HHE. ML:2.2 0.0006039999999999999 0.72 AML other m 2022-07-04T05:17:55.17
IV.BDI.HNN. ML:2.1 0.0004415 0.8 AML other m 2022-07-04T05:17:55.83
IV.BDI.HHN. ML:2.1 0.000494 0.94 AML other m 2022-07-04T05:17:56.07
GU.POPM.HHE. ML:2.6 0.0012050000000000001 0.18 AML other m 2022-07-04T05:17:58.88
GU.POPM.HHN. ML:2.5 0.000857 0.22 AML other m 2022-07-04T05:18:01.88
GU.GSCL.HHE. ML:2.4 0.0005434999999999999 0.24 AML other m 2022-07-04T05:18:02.32
GU.GSCL.HHN. ML:2.4 0.0005005 0.78 AML other m 2022-07-04T05:18:02.09
IV.CRMI.HHE. ML:1.8 0.0001285 0.26 AML other m 2022-07-04T05:18:05.34
IV.CRMI.HHN. ML:1.8 0.000131 0.24 AML other m 2022-07-04T05:18:05.34
IV.MSSA.HHE. ML:2.7 0.0008145 0.1 AML other m 2022-07-04T05:18:05.28
IV.MSSA.HHN. ML:2.7 0.0007745 1.24 AML other m 2022-07-04T05:18:06.14
GU.GRAM.HHE. ML:2.3 0.00035049999999999995 0.26 AML other m 2022-07-04T05:18:06.17
GU.GRAM.HHN. ML:2.5 0.0005064999999999999 0.32 AML other m 2022-07-04T05:18:07.02
IV.MPPT.EHE. ML:2.1 0.0001825 0.68 AML other m 2022-07-04T05:18:07.43
IV.MPPT.EHN. ML:2.0 0.000175 1.68 AML other m 2022-07-04T05:18:07.94
IV.CASP.HHE. ML:1.7 0.00003625 1.04 AML other m 2022-07-04T05:18:07.42
IV.MOCL.EHE. ML:2.6 0.0005405 0.34 AML other m 2022-07-04T05:18:09.09
IV.MOCL.EHN. ML:2.3 0.00028500000000000004 0.26 AML other m 2022-07-04T05:18:09.41
IV.FNVD.HHE. ML:2.1 0.0001635 0.54 AML other m 2022-07-04T05:18:11.21
IV.ZCCA.HNE. ML:2.1 0.0001805 0.86 AML other m 2022-07-04T05:18:13.05
IV.ZCCA.HHE. ML:2.1 0.0001645 0.34 AML other m 2022-07-04T05:18:13.05
IV.FNVD.HHN. ML:2.1 0.000183 0.32 AML other m 2022-07-04T05:18:13.46
IV.BOSL.HHN. ML:1.9 0.0000775 0.32 AML other m 2022-07-04T05:18:13.67
IV.BOSL.HHE. ML:1.9 0.0000838 1.68 AML other m 2022-07-04T05:18:14.95
IV.ZCCA.HNN. ML:2.4 0.00029549999999999997 1.44 AML other m 2022-07-04T05:18:14.17
IV.ZCCA.HHN. ML:2.2 0.00020649999999999998 1.46 AML other m 2022-07-04T05:18:14.90
IV.SEI.HHN. ML:2.6 0.000441 0.42 AML other m 2022-07-04T05:18:14.38
IV.SEI.HHE. ML:2.5 0.00034599999999999995 1.6 AML other m 2022-07-04T05:18:14.07
GU.GORR.HHN. ML:2.3 0.0001685 0.24 AML other m 2022-07-04T05:18:17.62
GU.GORR.HHE. ML:2.3 0.00018449999999999999 0.36 AML other m 2022-07-04T05:18:17.78
IV.CASP.HHN. ML:1.7 0.00002955 0.3 AML other m 2022-07-04T05:18:21.06
GU.RNCA.HHN. ML:2.1 0.0000891 1.2 AML other m 2022-07-04T05:18:21.08
GU.RNCA.HHE. ML:2.1 0.000088 0.16 AML other m 2022-07-04T05:18:22.45
IV.CRE.HHE. ML:2.0 0.0000542 0.3 AML other m 2022-07-04T05:18:24.99
IV.CRE.HHN. ML:1.9 0.000047300000000000005 1.1 AML other m 2022-07-04T05:18:26.41
GU.PCP.HHN. ML:1.8 0.0000313 1.28 AML other m 2022-07-04T05:18:30.99
GU.PCP.HHE. ML:1.8 0.0000283 0.38 AML other m 2022-07-04T05:18:33.58
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