Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-03-2020 and time 03:56:38 (UTC) in region Camaiore (LU)

A magnitude ML 2.0 earthquake occured in region: Camaiore (LU), on

  • 20-03-2020 03:56:38 (UTC)
  • 20-03-2020 04:56:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9410, 10.3100 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.

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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
Camaiore LU 0 32513 32513
Stazzema LU 6 3193 35706
Pietrasanta LU 7 24007 59713
Massarosa LU 8 22471 82184
Pescaglia LU 9 3526 85710
Seravezza LU 9 13073 98783
Viareggio LU 9 62467 161250
Forte dei Marmi LU 12 7510 168760
Montignoso MS 14 10323 179083
Fabbriche di Vergemoli LU 14 768 179851
Gallicano LU 17 3807 183658
Molazzana LU 17 1043 184701
Massa MS 17 69479 254180
Vecchiano PI 19 12189 266369
Lucca LU 19 89046 355415
Borgo a Mozzano LU 19 6994 362409
Vagli Sotto LU 20 939 363348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NE of Viareggio (62467 inhabitants)
17 Km SE of Massa (69479 inhabitants)
19 Km NW of Lucca (89046 inhabitants)
23 Km SE of Carrara (63133 inhabitants)
26 Km N of Pisa (89158 inhabitants)
43 Km E of La Spezia (93959 inhabitants)
43 Km N of Livorno (159219 inhabitants)
49 Km W of Pistoia (90315 inhabitants)
63 Km W of Prato (191150 inhabitants)
73 Km W of Scandicci (50609 inhabitants)
78 Km W of Firenze (382808 inhabitants)
88 Km SW of Reggio nell'Emilia (171345 inhabitants)
93 Km SW of Modena (184973 inhabitants)
96 Km S of Parma (192836 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 2.0 2020-03-20
03:56:38		 43.9412 10.3103 5 2020-07-18
21:08:36		 Bollettino Sismico Italiano INGV 78967021
Reviewed
Rev100 		ML 2.0 2020-03-20
03:56:39		 43.9243 10.3247 4 2020-03-20
04:08:58		 Sala Sismica INGV-Roma 77393871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-20 03:56:38 ± 0.09
Latitude 43.9412 ± 0.0045
Longitude 10.3103 ± 0.0050
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 78967021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 407
Semi-minor axis of confidence ellipse (meter) 397
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.92905
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 77393871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-20 04:08:58

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 59
Type of magnitude ML
Reference to an origin 78967021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-13 10:33:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRES.EHZ. 2020-03-20T03:57:29.21 3.0 undecidable manual P 2.33 0
IV.MNTT.EHZ. 2020-03-20T03:57:23.80 3.0 undecidable manual P 2.35 0
IV.CTI.HHZ. 2020-03-20T03:57:19.33 3.0 undecidable manual P 1.05 0
GU.RNCA.HHZ. 2020-03-20T03:57:15.34 0.6 undecidable manual S 299 123.0879 50 -0.08 42
ST.VARA.EHZ. 2020-03-20T03:57:13.60 1.0 undecidable manual P 12 214.119 38 0.59 12
IV.MAGA.HHZ. 2020-03-20T03:57:13.00 1.0 undecidable manual P 7 205.0392 38 1.12 10
IV.ZONE.HHZ. 2020-03-20T03:57:12.30 1.0 undecidable manual P 356 202.7415 38 0.7 13
GU.GORR.HHN. 2020-03-20T03:57:11.84 0.3 undecidable manual S 313 109.5126 50 0.04 65
IV.FROS.CHZ. 2020-03-20T03:57:10.10 0.6 undecidable manual S 140 105.8163 50 -0.73 36
IV.RUFI.EHZ. 2020-03-20T03:57:09.08 1.0 undecidable manual S 96 96.5256 50 0.74 18
IV.TRIF.CHZ. 2020-03-20T03:57:09.54 0.3 undecidable manual S 152 103.3188 50 -0.61 57
IV.CSNT.HHZ. 2020-03-20T03:57:06.88 0.3 undecidable manual S 123 94.1391 50 -0.83 53
IV.SEI.HHZ. 2020-03-20T03:57:05.91 0.3 undecidable manual S 81 84.5487 50 0.76 56
IV.PARC.HHZ. 2020-03-20T03:57:05.18 0.3 undecidable manual P 101 157.7199 50 -0.14 56
IV.OSSC.HNE. 2020-03-20T03:57:05.87 0.3 undecidable manual S 121 88.1451 50 -0.23 65
GU.PCP.HHZ. 2020-03-20T03:57:05.00 0.3 undecidable manual P 296 155.3223 50 0.07 57
IV.MAGO.CHZ. 2020-03-20T03:57:03.07 1.0 undecidable manual S 159 79.1652 50 -0.64 20
IV.CRE.HHZ. 2020-03-20T03:57:02.66 0.3 undecidable manual P 105 136.2636 50 0.67 52
IV.CASP.HHZ. 2020-03-20T03:57:01.27 0.3 undecidable manual P 160 135.2646 50 -0.57 54
IV.FNVD.HHZ. 2020-03-20T03:57:01.14 0.3 undecidable manual S 69 69.4749 50 0.02 70
IV.CELB.HHZ. 2020-03-20T03:57:00.62 0.1 negative manual P 184 132.7671 50 -0.84 65
IV.SFI.EHZ. 2020-03-20T03:57:00.11 0.3 undecidable manual P 91 122.8881 50 0.18 61
GU.RNCA.HHZ. 2020-03-20T03:57:00.44 0.3 undecidable manual P 299 123.0879 50 0.48 57
IV.BOB.HNE. 2020-03-20T03:56:59.48 0.3 undecidable manual P 324 114.3966 50 0.85 50
IV.ASQU.HHZ. 2020-03-20T03:56:59.97 0.3 undecidable manual P 97 119.3916 50 0.57 56
IV.LMD.HHZ. 2020-03-20T03:56:59.19 1.0 undecidable manual P 82 112.4985 50 0.86 17
GU.GORR.HHN. 2020-03-20T03:56:58.09 0.3 undecidable manual P 313 109.5126 50 0.21 62
IV.MPPT.EHZ. 2020-03-20T03:56:58.65 0.3 undecidable manual S 88 62.2932 50 -0.56 63
IV.RINC.HHZ. 2020-03-20T03:56:57.47 0.3 undecidable manual P 93 103.8183 50 0.47 60
Z3.A317A.HHE. 2020-03-20T03:56:57.61 0.3 undecidable manual P 201 105.8163 50 0.31 62
IV.FROS.CHZ. 2020-03-20T03:56:57.54 0.3 undecidable manual P 140 105.8163 50 0.23 63
IV.TRIF.CHZ. 2020-03-20T03:56:57.11 0.3 undecidable manual P 152 103.3188 50 0.19 63
IV.RUFI.EHZ. 2020-03-20T03:56:56.18 0.3 undecidable manual P 96 96.5256 50 0.3 63
GU.GSCL.HHZ. 2020-03-20T03:56:55.40 0.1 undecidable manual S 26 50.5161 50 -0.65 82
IV.CSNT.HHZ. 2020-03-20T03:56:55.56 0.3 undecidable manual P 123 94.1391 50 0.05 66
IV.RONT.HHZ. 2020-03-20T03:56:55.51 0.3 undecidable manual P 86 89.8434 50 0.67 57
IV.SEI.HHZ. 2020-03-20T03:56:54.35 0.3 undecidable manual P 81 84.5487 50 0.31 64
IV.OSSC.HNE. 2020-03-20T03:56:54.78 0.3 undecidable manual P 121 88.1451 50 0.2 65
IV.MAGO.CHZ. 2020-03-20T03:56:53.02 0.3 undecidable manual P 159 79.1652 50 -0.18 67
IV.ZCCA.HHZ. 2020-03-20T03:56:53.23 3.0 undecidable manual P 69.8745 1.47 0
IV.FNVD.HHZ. 2020-03-20T03:56:51.75 0.3 undecidable manual P 69 69.4749 50 0.04 70
GU.POPM.HHZ. 2020-03-20T03:56:51.50 0.3 undecidable manual S 72 37.4292 98 -0.48 67
GU.FIVI.HNE. 2020-03-20T03:56:50.64 0.3 undecidable manual S 336 36.1416 98 -0.89 57
IV.MPPT.EHZ. 2020-03-20T03:56:50.51 0.3 undecidable manual P 88 62.2932 50 -0.09 70
GU.SARM.EHN. 2020-03-20T03:56:48.49 0.3 undecidable manual S 15 27.8499 101 -0.22 73
IV.PII.HHZ. 2020-03-20T03:56:48.59 0.3 undecidable manual S 145 29.748 100 -0.76 61
GU.GSCL.HHZ. 2020-03-20T03:56:48.81 0.1 negative manual P 26 50.5161 50 0.03 97
GU.EQUI.HHN. 2020-03-20T03:56:47.76 0.1 undecidable manual S 333 27.9498 101 -0.96 75
IV.BDI.HHZ. 2020-03-20T03:56:47.84 0.3 undecidable manual S 59 26.4513 101 -0.38 70
GU.POPM.HHZ. 2020-03-20T03:56:46.24 0.1 positive manual P 72 37.4292 98 -0.19 96
GU.FIVI.HNE. 2020-03-20T03:56:46.05 0.3 undecidable manual P 336 36.1416 98 -0.12 73
GU.CARD.HHZ. 2020-03-20T03:56:45.02 0.3 undecidable manual S 55 16.6722 108 0.1 76
GU.MASSA.EHE. 2020-03-20T03:56:45.31 0.3 undecidable manual S 297 17.5713 107 0.09 76
GU.MAIM.HHZ. 2020-03-20T03:56:44.79 0.3 undecidable manual S 102 14.7741 110 0.48 70
GU.SARM.EHN. 2020-03-20T03:56:44.60 0.1 negative manual P 15 27.8499 101 0.06 100
GU.EQUI.HHN. 2020-03-20T03:56:44.37 0.1 undecidable manual P 333 27.9498 101 -0.18 98
IV.BDI.HHZ. 2020-03-20T03:56:44.38 0.1 positive manual P 59 26.4513 101 0.12 99
IV.PII.HHZ. 2020-03-20T03:56:44.80 0.3 undecidable manual P 145 29.748 100 -0.11 74
GU.MASSA.EHE. 2020-03-20T03:56:43.19 0.1 negative manual P 297 17.5713 107 0.66 87
GU.CARD.HHZ. 2020-03-20T03:56:42.74 0.1 positive manual P 55 16.6722 108 0.39 95
GU.MAIM.HHZ. 2020-03-20T03:56:42.39 0.1 negative manual P 102 14.7741 110 0.39 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:1.6 0.00009614424 0.2784 AML other m 2020-03-20T03:56:55.66
GU.CARD.HHE. ML:2.5 0.0034909865 0.0608 AML other m 2020-03-20T03:56:45.42
GU.CARD.HHN. ML:2.6 0.0042770314999999995 0.1408 AML other m 2020-03-20T03:56:45.63
IV.BDI.HNE. ML:2.0 0.0006368846 0.1696 AML other m 2020-03-20T03:56:48.26
IV.BDI.HHE. ML:2.1 0.0007296001000000001 0.2016 AML other m 2020-03-20T03:56:48.27
IV.BDI.HHN. ML:2.1 0.0008458178999999999 0.1408 AML other m 2020-03-20T03:56:48.60
IV.PII.HHN. ML:2.3 0.0010552261499999999 0.16 AML other m 2020-03-20T03:56:49.41
IV.BDI.HNN. ML:2.1 0.00074008495 0.1376 AML other m 2020-03-20T03:56:49.30
IV.PII.HHE. ML:2.3 0.00095609245 0.0992 AML other m 2020-03-20T03:56:49.53
GU.POPM.HHE. ML:2.4 0.0010272865 0.2208 AML other m 2020-03-20T03:56:52.36
GU.POPM.HHN. ML:2.3 0.00069913615 0.1408 AML other m 2020-03-20T03:56:52.63
GU.GSCL.HHN. ML:1.6 0.00011291900000000001 0.2176 AML other m 2020-03-20T03:56:55.69
IV.MPPT.EHN. ML:1.8 0.00011940943499999999 0.16 AML other m 2020-03-20T03:57:02.92
IV.FNVD.HHE. ML:2.0 0.00015679615000000003 0.24 AML other m 2020-03-20T03:57:03.14
IV.MPPT.EHE. ML:1.6 0.00007789668 0.1792 AML other m 2020-03-20T03:57:03.43
IV.MAGO.CHE. ML:2.2 0.00021910754999999999 0.176 AML other m 2020-03-20T03:57:03.56
IV.MAGO.CHN. ML:2.0 0.00016167035000000003 0.096 AML other m 2020-03-20T03:57:04.15
IV.FNVD.HHN. ML:2.1 0.00021437655 0.3808 AML other m 2020-03-20T03:57:05.14
IV.ZCCA.HHN. ML:0.0 0.00017490978 0.3584 AML other m 2020-03-20T03:57:06.03
IV.SEI.HHE. ML:1.9 0.00011217133500000001 0.4576 AML other m 2020-03-20T03:57:06.13
IV.ZCCA.HHE. ML:0.0 0.00017649999999999998 0.46 AML other m 2020-03-20T03:57:07.99
IV.ZCCA.HNE. ML:0.0 0.00018623085 0.4992 AML other m 2020-03-20T03:57:07.00
IV.CSNT.HHN. ML:1.9 0.00008225673999999999 0.5408 AML other m 2020-03-20T03:57:09.09
IV.RONT.HHN. ML:2.1 0.00014701015000000001 0.2176 AML other m 2020-03-20T03:57:10.75
IV.RUFI.EHN. ML:1.7 0.00005006533 0.4 AML other m 2020-03-20T03:57:11.18
IV.SEI.HHN. ML:2.1 0.00017307024999999997 0.4224 AML other m 2020-03-20T03:57:11.47
IV.RONT.HHE. ML:2.2 0.00019380755 0.32 AML other m 2020-03-20T03:57:11.94
IV.CSNT.HHE. ML:1.7 0.000054482155 0.4576 AML other m 2020-03-20T03:57:12.56
IV.FROS.CHE. ML:2.1 0.000104290985 0.2976 AML other m 2020-03-20T03:57:13.42
IV.FROS.CHN. ML:2.0 0.00008580757499999999 0.3776 AML other m 2020-03-20T03:57:14.81
IV.CELB.HHE. ML:1.6 0.000025424385000000002 0.1408 AML other m 2020-03-20T03:57:17.20
IV.ASQU.HHN. ML:1.5 0.000024234025 0.4224 AML other m 2020-03-20T03:57:17.32
GU.RNCA.HHE. ML:1.8 0.000051990805000000004 0.2016 AML other m 2020-03-20T03:57:18.07
IV.CELB.HHN. ML:1.5 0.000020203514999999998 0.2208 AML other m 2020-03-20T03:57:18.83
GU.RNCA.HHN. ML:1.8 0.00003905222 0.3584 AML other m 2020-03-20T03:57:19.02
IV.CASP.HHE. ML:1.8 0.000034346260000000004 0.24 AML other m 2020-03-20T03:57:19.84
IV.SFI.EHE. ML:1.5 0.000026509465000000002 0.2784 AML other m 2020-03-20T03:57:20.20
IV.CASP.HHN. ML:1.6 0.000026798795 0.2816 AML other m 2020-03-20T03:57:20.25
IV.LMD.HHN. ML:1.4 0.00001984133 0.4192 AML other m 2020-03-20T03:57:20.68
IV.CRE.HHN. ML:1.8 0.000041223684999999995 0.32 AML other m 2020-03-20T03:57:21.08
IV.ASQU.HHE. ML:1.7 0.000035515435 0.3808 AML other m 2020-03-20T03:57:22.11
IV.CRE.HHE. ML:1.6 0.000026236952000000002 0.2176 AML other m 2020-03-20T03:57:22.67
IV.LMD.HHE. ML:1.5 0.00002575 0.28 AML other m 2020-03-20T03:57:25.67
GU.PCP.HHN. ML:1.6 0.000021676825 0.2976 AML other m 2020-03-20T03:57:25.63
GU.PCP.HHE. ML:1.7 0.00002374987 0.4192 AML other m 2020-03-20T03:57:27.24
IV.PARC.HHN. ML:1.6 0.00001790678 0.4608 AML other m 2020-03-20T03:57:28.27
IV.PARC.HHE. ML:1.5 0.00001565199 0.3584 AML other m 2020-03-20T03:57:28.29
IV.MBAL.EHN. ML:2.0 0.000027615915 0.1408 AML other m 2020-03-20T03:57:41.68
IV.MAGA.HHN. ML:2.4 0.00006654999999999999 1.5 AML other m 2020-03-20T03:57:43.06
IV.MBAL.EHE. ML:2.2 0.000045740719999999995 0.2976 AML other m 2020-03-20T03:57:43.86
IV.ZONE.HHE. ML:2.0 0.00002929412 0.2592 AML other m 2020-03-20T03:57:44.82
IV.MAGA.HHE. ML:2.6 0.00012590000000000002 1.38 AML other m 2020-03-20T03:57:46.90
IV.ZONE.HHN. ML:2.1 0.00003366569 0.2624 AML other m 2020-03-20T03:57:47.52
ST.VARA.EHE. ML:2.5 0.000081242025 0.5216 AML other m 2020-03-20T03:57:47.80
ST.VARA.EHN. ML:2.3 0.000054544670000000004 0.3392 AML other m 2020-03-20T03:57:47.86
IV.CTI.HHE. ML:2.3 0.00003566024 0.2208 AML other m 2020-03-20T03:57:49.40
IV.CTI.HHN. ML:2.3 0.000033891074999999996 0.2816 AML other m 2020-03-20T03:57:50.42
SI.LUSI.HHE. ML:2.3 0.00004568225 0.4576 AML other m 2020-03-20T03:57:51.65
SI.LUSI.HHN. ML:2.5 0.000073768185 0.2016 AML other m 2020-03-20T03:57:53.01
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