Earthquake with magnitude of ML 1.7 on date 05-03-2020 and time 03:23:53 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.7 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 05-03-2020 02:23:53 (UTC)
  • 05-03-2020 03:23:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6370, 10.2780 at 10 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
Livorno LI 10 159219 159219
Pisa PI 13 89158 248377
Collesalvetti LI 17 16827 265204
Vecchiano PI 19 12189 277393
San Giuliano Terme PI 20 31399 308792

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km N of Livorno (159219 inhabitants)
13 Km SW of Pisa (89158 inhabitants)
26 Km S of Viareggio (62467 inhabitants)
29 Km SW of Lucca (89046 inhabitants)
46 Km S of Massa (69479 inhabitants)
51 Km S of Carrara (63133 inhabitants)
61 Km SW of Pistoia (90315 inhabitants)
64 Km SE of La Spezia (93959 inhabitants)
71 Km W of Prato (191150 inhabitants)
74 Km W of Scandicci (50609 inhabitants)
80 Km W of Firenze (382808 inhabitants)
92 Km W 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 2020-03-05
02:23:53
43.6367 10.2777 10 2020-07-18
21:08:37
Bollettino Sismico Italiano INGV 79402801
Reviewed
Rev100
ML 1.8 2020-03-05
02:23:53
43.6365 10.2855 10 2020-03-05
02:37:18
Sala Sismica INGV-Roma 77034361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-05 02:23:53 ± 0.15
Latitude 43.6367 ± 0.0036
Longitude 10.2777 ± 0.0075
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79402801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 528
Semi-minor axis of confidence ellipse (meter) 171
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.21139
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 79402801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-21 10:35:08

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 77034361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-05 02:37:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2020-03-05T02:25:04.91 3.0 undecidable manual Sn -0.58 0
SI.MOSI.HHZ. 2020-03-05T02:24:45.58 3.0 positive manual Pg 5.16 0
IV.CASP.HHZ. 2020-03-05T02:24:23.83 0.1 undecidable manual S 153 105.117 50 -0.42 81
IV.RUFI.EHZ. 2020-03-05T02:24:23.44 0.1 undecidable manual S 77 101.2209 50 0.24 84
IV.RIBO.EHZ.01 2020-03-05T02:24:22.54 0.1 undecidable manual S 141 98.3238 50 0.11 87
IV.CELB.HHZ. 2020-03-05T02:24:22.00 0.1 undecidable manual S 183 98.8233 50 -0.57 78
IV.SEI.HHZ. 2020-03-05T02:24:22.64 0.1 undecidable manual S 61 98.124 50 0.27 84
IV.FROS.CHE. 2020-03-05T02:24:19.12 0.3 undecidable manual S 123 85.1481 50 0.2 66
IV.CSNT.HHZ. 2020-03-05T02:24:18.16 0.1 undecidable manual S 102 83.3499 50 -0.28 87
IV.MPPT.EHZ. 2020-03-05T02:24:16.20 0.1 undecidable manual S 61 74.1702 50 0.22 89
IV.CRE.HHZ. 2020-03-05T02:24:16.18 0.3 undecidable manual P 90 134.4654 50 0.39 57
Z3.A317A.HHE. 2020-03-05T02:24:16.39 0.1 undecidable manual S 208 73.9704 50 0.47 85
IV.SFI.EHZ. 2020-03-05T02:24:15.73 0.1 undecidable manual P 76 129.1707 50 0.75 68
MN.VLC.HHZ. 2020-03-05T02:24:12.13 0.1 undecidable manual S 8 58.6968 50 0.29 91
IV.CRMI.HNN. 2020-03-05T02:24:12.17 0.1 undecidable manual S 72 58.9965 50 0.24 91
IV.RUFI.EHZ. 2020-03-05T02:24:11.34 0.1 undecidable manual P 77 101.2209 50 0.67 75
GU.EQUI.HHN. 2020-03-05T02:24:11.77 0.1 undecidable manual S 350 59.5959 50 -0.31 90
IV.PLMA.HHE. 2020-03-05T02:24:11.29 0.1 undecidable manual S 324 56.9985 50 -0.11 94
IV.CELB.HHZ. 2020-03-05T02:24:10.05 0.1 undecidable manual P 183 98.8233 50 -0.26 84
IV.SEI.HHZ. 2020-03-05T02:24:10.37 0.1 undecidable manual P 61 98.124 50 0.18 86
IV.BDI.HHZ. 2020-03-05T02:24:10.29 0.1 undecidable manual S 28 53.7018 50 -0.22 93
IV.RIBO.EHZ.01 2020-03-05T02:24:10.87 0.1 undecidable manual P 141 98.3238 50 0.64 76
IV.CASP.HHZ. 2020-03-05T02:24:10.98 0.1 undecidable manual P 153 105.117 50 -0.3 83
IV.MAGO.CHZ. 2020-03-05T02:24:09.23 0.1 undecidable manual S 143 50.616 50 -0.46 89
IV.FROS.CHE. 2020-03-05T02:24:08.17 0.3 undecidable manual P 123 85.1481 50 -0.02 68
IV.CSNT.HHZ. 2020-03-05T02:24:07.99 0.1 undecidable manual P 102 83.3499 50 0.07 91
GU.CARD.HHZ. 2020-03-05T02:24:07.95 0.1 undecidable manual S 21 46.2204 50 -0.56 87
IV.MPPT.EHZ. 2020-03-05T02:24:06.70 0.1 undecidable manual P 61 74.1702 50 0.2 90
Z3.A317A.HHE. 2020-03-05T02:24:06.95 0.1 undecidable manual P 208 73.9704 50 0.49 84
GU.MAIM.HHE. 2020-03-05T02:24:05.10 0.1 undecidable manual S 29 35.2425 50 -0.49 91
MN.VLC.HHZ. 2020-03-05T02:24:04.15 0.1 undecidable manual P 8 58.6968 50 0.04 95
GU.EQUI.HHN. 2020-03-05T02:24:04.15 0.1 undecidable manual P 350 59.5959 50 -0.1 94
IV.CRMI.HNN. 2020-03-05T02:24:04.40 0.1 undecidable manual P 72 58.9965 50 0.24 92
IV.PLMA.HHE. 2020-03-05T02:24:04.22 0.1 undecidable manual P 324 56.9985 50 0.36 90
IV.BDI.HHZ. 2020-03-05T02:24:03.36 0.1 undecidable manual P 28 53.7018 50 0.02 97
GU.MASSA.EHE. 2020-03-05T02:24:02.17 0.3 undecidable manual P 343 43.8228 50 0.35 69
IV.MAGO.CHZ. 2020-03-05T02:24:02.16 0.1 undecidable manual P 143 50.616 50 -0.71 81
GU.CARD.HHZ. 2020-03-05T02:24:01.95 0.1 undecidable manual P 21 46.2204 50 -0.24 94
IV.PII.HHZ. 2020-03-05T02:24:01.84 0.1 undecidable manual S 64 21.9669 115 -0.13 100
GU.MAIM.HHE. 2020-03-05T02:24:00.23 0.1 undecidable manual P 29 35.2425 50 -0.27 95
IV.PII.HHZ. 2020-03-05T02:23:58.02 0.1 undecidable manual P 64 21.9669 115 -0.39 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHE. ML:1.6 0.00029277045 0.36 AML other m 2020-03-05T02:24:02.04
IV.PII.HHN. ML:1.8 0.0004257722 0.2384 AML other m 2020-03-05T02:24:02.04
IV.MAGO.CHE. ML:2.2 0.0003865689 0.16 AML other m 2020-03-05T02:24:09.92
IV.MAGO.CHN. ML:2.1 0.00030508305 0.128 AML other m 2020-03-05T02:24:09.99
IV.BDI.HHN. ML:1.7 0.0001307808 0.44 AML other m 2020-03-05T02:24:11.06
IV.BDI.HNE. ML:1.8 0.00014472445 0.4608 AML other m 2020-03-05T02:24:11.31
IV.BDI.HHE. ML:1.6 0.000106198455 0.44 AML other m 2020-03-05T02:24:11.10
MN.VLC.HHN. ML:1.4 0.00004990125 0.4992 AML other m 2020-03-05T02:24:12.25
MN.VLC.HHE. ML:1.3 0.000044943655 0.2608 AML other m 2020-03-05T02:24:12.81
IV.MPPT.EHN. ML:1.7 0.00007664502000000001 0.4592 AML other m 2020-03-05T02:24:19.62
IV.CSNT.HHN. ML:1.6 0.000053844535 0.48 AML other m 2020-03-05T02:24:20.84
IV.SEI.HHN. ML:1.7 0.00005626698 1.04 AML other m 2020-03-05T02:24:24.22
IV.SEI.HHE. ML:1.7 0.000054407805000000005 0.4992 AML other m 2020-03-05T02:24:23.02
IV.RIBO.EHE.01 ML:1.5 0.000033771789000000004 0.3008 AML other m 2020-03-05T02:24:23.59
IV.CASP.HHE. ML:1.6 0.000036685095 0.3008 AML other m 2020-03-05T02:24:30.14
IV.CASP.HHN. ML:1.6 0.00003851485 0.2384 AML other m 2020-03-05T02:24:24.58
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