Earthquake with magnitude of ML 1.5 on date 16-09-2024 and time 23:56:51 (UTC) in region 2 km W Castelnuovo Magra (SP)

A magnitude ML 1.5 earthquake occured in region: 2 km W Castelnuovo Magra (SP), on

  • 16-09-2024 23:56:51 (UTC)
  • 17-09-2024 01:56:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0910, 9.9920 at 11 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
Castelnuovo Magra SP 2 8415 8415
Sarzana SP 4 21976 30391
Ameglia SP 4 4365 34756
Ortonovo SP 4 8277 43033
Fosdinovo MS 5 4883 47916
Lerici SP 7 10228 58144
Arcola SP 7 10607 68751
Carrara MS 9 63133 131884
Santo Stefano di Magra SP 10 9360 141244
Vezzano Ligure SP 10 7356 148600
Portovenere SP 13 3630 152230
Follo SP 13 6337 158567
La Spezia SP 13 93959 252526
Bolano SP 13 7813 260339
Aulla MS 13 11263 271602
Massa MS 13 69479 341081
Podenzana MS 14 2180 343261
Tresana MS 17 2044 345305
Montignoso MS 17 10323 355628
Casola in Lunigiana MS 19 988 356616
Minucciano LU 19 2102 358718
Fivizzano MS 19 7925 366643
Riccò del Golfo di Spezia SP 20 3698 370341
Licciana Nardi MS 20 4949 375290

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Carrara (63133 inhabitants)
13 Km E of La Spezia (93959 inhabitants)
13 Km W of Massa (69479 inhabitants)
32 Km NW of Viareggio (62467 inhabitants)
49 Km NW of Lucca (89046 inhabitants)
53 Km NW of Pisa (89158 inhabitants)
65 Km NW of Livorno (159219 inhabitants)
76 Km W of Pistoia (90315 inhabitants)
83 Km SW of Parma (192836 inhabitants)
84 Km SW of Reggio nell'Emilia (171345 inhabitants)
92 Km W of Prato (191150 inhabitants)
92 Km E of Genova (586655 inhabitants)
97 Km SW of Modena (184973 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 1.5 2024-09-16
23:56:51
44.0913 9.9923 11 2024-09-17
00:04:54
Sala Sismica INGV-Roma 131503281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-16 23:56:51 ± 0.12
Latitude 44.0913 ± 0.0090
Longitude 9.9923 ± 0.0088
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131503281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 977
Semi-minor axis of confidence ellipse (meter) 602
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55128
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 131503281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-17 00:04:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.MPRI.HHZ. 2024-09-16T23:58:33.75 3.0 undecidable manual Sg 13.56 0
IV.CIMA.HNZ. 2024-09-16T23:58:14.23 3.0 undecidable manual Sn 1.25 0
GU.SATI.HHZ. 2024-09-16T23:58:06.12 3.0 undecidable manual Sn 3.27 0
IV.SMA1.EHZ. 2024-09-16T23:57:37.25 3.0 negative manual Pn -0.54 0
IV.ROVR.HHZ. 2024-09-16T23:57:25.19 3.0 undecidable manual Pg 1.48 0
IV.CRE.HHZ. 2024-09-16T23:57:19.17 3.0 positive manual P -0.33 0
IV.RUFI.EHZ. 2024-09-16T23:57:14.25 3.0 undecidable manual P -0.28 0
IV.PII.HHZ. 2024-09-16T23:57:10.14 0.6 undecidable manual S 134 59.0964 50 0.17 45
4P.IT07A.HHZ. 2024-09-16T23:57:09.16 3.0 negative manual P -0.19 0
GU.RNCA.HHZ. 2024-09-16T23:57:09.84 3.0 negative manual P 0.53 0
IV.BDI.HHZ. 2024-09-16T23:57:06.69 0.6 undecidable manual S 94 48.2184 50 -0.37 44
GU.GORR.HHZ. 2024-09-16T23:57:06.22 3.0 positive manual P -1.28 0
GU.MAIM.HHZ. 2024-09-16T23:57:05.20 0.6 undecidable manual S 116 44.5221 50 -0.87 37
IV.MSSA.HHN. 2024-09-16T23:57:05.81 0.6 undecidable manual S 304 45.2214 50 -0.47 43
GU.CARD.HHZ. 2024-09-16T23:57:04.23 0.6 undecidable manual S 100 39.7269 50 -0.57 42
GU.POPM.HHZ. 2024-09-16T23:57:03.13 0.6 positive manual P 95 61.1943 50 0.57 41
IV.PII.HHZ. 2024-09-16T23:57:02.74 0.6 undecidable manual P 134 59.0964 50 0.5 42
MN.VLC.HHZ. 2024-09-16T23:57:02.41 0.6 undecidable manual S 76 32.2455 50 -0.41 45
IV.BDI.HHZ. 2024-09-16T23:57:01.05 1.0 undecidable manual P 94 48.2184 50 0.49 21
GU.MAIM.HHZ. 2024-09-16T23:57:00.30 0.6 undecidable manual P 116 44.5221 50 0.31 45
IV.MSSA.HHN. 2024-09-16T23:57:00.27 0.1 undecidable manual P 304 45.2214 50 0.17 93
GU.CARD.HHZ. 2024-09-16T23:56:59.56 0.6 undecidable manual P 100 39.7269 50 0.31 45
GU.FIVI.HNZ. 2024-09-16T23:56:59.24 0.6 undecidable manual S 33 19.5693 50 -0.19 48
MN.VLC.HHZ. 2024-09-16T23:56:58.42 0.3 positive manual P 76 32.2455 50 0.31 69
GU.EQUI.HHZ. 2024-09-16T23:56:57.76 0.6 undecidable manual S 57 15.2736 125 -0.41 47
IV.PLMA.HHZ. 2024-09-16T23:56:56.57 0.6 undecidable manual S 247 11.9769 132 -0.71 42
GU.FIVI.HNZ. 2024-09-16T23:56:56.46 0.1 undecidable manual P 33 19.5693 50 0.31 94
GU.EQUI.HHZ. 2024-09-16T23:56:55.54 0.1 undecidable manual P 57 15.2736 125 0.12 98
IV.PLMA.HHZ. 2024-09-16T23:56:54.97 0.1 undecidable manual P 247 11.9769 132 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.EQUI.HHE. ML:1.2 0.00013685 1.74 AML other m 2024-09-16T23:56:58.09
GU.EQUI.HHN. ML:1.4 0.00022950000000000002 0.6 AML other m 2024-09-16T23:56:58.11
GU.FIVI.HNE. ML:1.8 0.000426 0.16 AML other m 2024-09-16T23:56:59.71
GU.FIVI.HNN. ML:1.8 0.00040849999999999995 1.26 AML other m 2024-09-16T23:57:00.06
MN.VLC.HNE. ML:1.4 0.0001035 0.98 AML other m 2024-09-16T23:57:00.66
MN.VLC.HHE. ML:1.3 0.0000811 1.48 AML other m 2024-09-16T23:57:02.95
MN.VLC.HNN. ML:1.4 0.0001254 1.28 AML other m 2024-09-16T23:57:03.21
MN.VLC.HHN. ML:1.4 0.00010350000000000001 0.22 AML other m 2024-09-16T23:57:03.21
GU.CARD.HHE. ML:1.6 0.0001525 0.14 AML other m 2024-09-16T23:57:04.38
GU.CARD.HHN. ML:1.8 0.000241 0.14 AML other m 2024-09-16T23:57:04.55
GU.MAIM.HHN. ML:1.2 0.0000496 0.98 AML other m 2024-09-16T23:57:07.19
IV.BDI.HHN. ML:1.5 0.00008649999999999999 1.08 AML other m 2024-09-16T23:57:10.68
IV.BDI.HHE. ML:1.4 0.000075 1.06 AML other m 2024-09-16T23:57:10.78
IV.PII.HHE. ML:1.7 0.0001111 0.34 AML other m 2024-09-16T23:57:11.05
GU.MAIM.HHE. ML:1.2 0.0000445 0.72 AML other m 2024-09-16T23:57:13.39
IV.PII.HHN. ML:1.7 0.00009554999999999999 0.22 AML other m 2024-09-16T23:57:13.77
GU.GORR.HHN. ML:1.7 0.00006584999999999999 0.52 AML other m 2024-09-16T23:57:18.16
GU.GORR.HHE. ML:1.6 0.000052900000000000005 0.64 AML other m 2024-09-16T23:57:19.81
GU.RNCA.HHE. ML:1.6 0.00004675 0.2 AML other m 2024-09-16T23:57:22.24
GU.RNCA.HHN. ML:1.6 0.00004585 1.02 AML other m 2024-09-16T23:57:22.81
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