Earthquake with magnitude of ML 1.1 on date 13-07-2024 and time 20:17:17 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.1 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 13-07-2024 18:17:17 (UTC)
  • 13-07-2024 20:17:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8740, 10.2080 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 4 62467 62467
Pietrasanta LU 10 24007 86474
Forte dei Marmi LU 10 7510 93984
Camaiore LU 11 32513 126497
Massarosa LU 11 22471 148968
Seravezza LU 14 13073 162041
Stazzema LU 16 3193 165234
Montignoso MS 16 10323 175557
Vecchiano PI 18 12189 187746
Massa MS 19 69479 257225
Pescaglia LU 19 3526 260751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km W of Viareggio (62467 inhabitants)
19 Km S of Massa (69479 inhabitants)
24 Km NW of Pisa (89158 inhabitants)
24 Km W of Lucca (89046 inhabitants)
24 Km SE of Carrara (63133 inhabitants)
37 Km N of Livorno (159219 inhabitants)
40 Km SE of La Spezia (93959 inhabitants)
57 Km W of Pistoia (90315 inhabitants)
71 Km W of Prato (191150 inhabitants)
79 Km W of Scandicci (50609 inhabitants)
85 Km W of Firenze (382808 inhabitants)
98 Km SW of Reggio nell'Emilia (171345 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
Reviewed
Rev100
ML 1.1 2024-07-13
18:17:17
43.8743 10.2075 8 2024-07-13
18:26:45
Sala Sismica INGV-Roma 129821061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-13 18:17:17 ± 0.21
Latitude 43.8743 ± 0.0081
Longitude 10.2075 ± 0.0112
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 129821061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1067
Semi-minor axis of confidence ellipse (meter) 562
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) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 228
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43078
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 129821061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-13 18:26:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2024-07-13T18:19:02.82 3.0 positive manual Pn 0.37 0
IV.VVLD.HHZ. 2024-07-13T18:19:00.91 3.0 undecidable manual Sg 8.67 0
IV.OFFI.HHZ. 2024-07-13T18:18:40.55 3.0 undecidable manual Sn 1.41 0
GU.TRAV.HHZ. 2024-07-13T18:18:32.53 3.0 undecidable manual Sg 1.42 0
IV.TRE1.HNZ. 2024-07-13T18:18:29.61 3.0 undecidable manual Sn -0.08 0
IV.SFI.EHZ. 2024-07-13T18:18:01.31 3.0 undecidable manual S -0.03 0
IV.TOLF.HHZ. 2024-07-13T18:18:00.43 3.0 undecidable manual Pg 1.86 0
GU.TRAV.HHZ. 2024-07-13T18:17:57.19 3.0 undecidable manual Pn -2.6 0
IV.ARRO.EHZ. 2024-07-13T18:17:55.15 3.0 positive manual Pn -3.56 0
IV.NARO.HHZ. 2024-07-13T18:17:51.67 3.0 positive manual Pg 0.81 0
GU.POPM.HHZ. 2024-07-13T18:17:32.84 0.6 undecidable manual S 66 47.8188 50 -0.59 43
MN.VLC.HHZ. 2024-07-13T18:17:30.06 0.6 undecidable manual S 24 34.6431 103 0.17 49
IV.BDI.HHZ. 2024-07-13T18:17:30.73 0.6 undecidable manual S 56 37.3293 50 0.07 49
GU.EQUI.HHZ. 2024-07-13T18:17:29.20 0.6 undecidable manual S 352 32.6451 104 0.01 50
GU.CARD.HHZ. 2024-07-13T18:17:27.48 0.6 undecidable manual S 52 27.6501 106 -0.05 50
GU.POPM.HHZ. 2024-07-13T18:17:26.89 0.6 negative manual P 66 47.8188 50 0.17 47
IV.PII.HHZ. 2024-07-13T18:17:26.61 3.0 undecidable manual S 124 30.5472 105 -1.88 0
GU.MAIM.HHZ. 2024-07-13T18:17:25.88 0.6 undecidable manual S 79 23.1546 109 -0.14 49
IV.BDI.HHZ. 2024-07-13T18:17:25.32 0.1 undecidable manual P 56 37.3293 50 0.21 95
GU.EQUI.HHZ. 2024-07-13T18:17:24.07 0.1 undecidable manual P 352 32.6451 104 -0.2 96
MN.VLC.HHZ. 2024-07-13T18:17:24.67 0.1 undecidable manual P 24 34.6431 103 0 100
IV.PII.HHZ. 2024-07-13T18:17:23.54 0.6 negative manual P 124 30.5472 105 -0.32 47
GU.CARD.HHZ. 2024-07-13T18:17:23.39 0.1 negative manual P 52 27.6501 106 0.09 100
GU.MAIM.HHZ. 2024-07-13T18:17:22.72 0.1 undecidable manual P 79 23.1546 109 0.28 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHE. ML:0.8 0.000043700000000000005 1.4 AML other m 2024-07-13T18:17:26.80
GU.MAIM.HHN. ML:0.8 0.00004425 1.8 AML other m 2024-07-13T18:17:26.06
GU.CARD.HHN. ML:1.3 0.00009884999999999999 0.28 AML other m 2024-07-13T18:17:28.53
GU.CARD.HHE. ML:1.2 0.00009104999999999999 0.72 AML other m 2024-07-13T18:17:29.79
IV.BDI.HHE. ML:1.0 0.000036400000000000004 0.26 AML other m 2024-07-13T18:17:31.42
IV.BDI.HHN. ML:0.9 0.000032500000000000004 0.36 AML other m 2024-07-13T18:17:31.67
IV.TOLF.HHN. ML:2.7 0.00008874999999999999 1.52 AML other m 2024-07-13T18:18:03.07
IV.TOLF.HHE. ML:2.6 0.00007355 0.48 AML other m 2024-07-13T18:18:03.61
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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