Earthquake with magnitude of ML 1.6 on date 17-02-2024 and time 05:31:24 (Italy) in region 2 km W Villafranca in Lunigiana (MS)

A magnitude ML 1.6 earthquake occured in region: 2 km W Villafranca in Lunigiana (MS), on

  • 17-02-2024 04:31:24 (UTC)
  • 17-02-2024 05:31:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2910, 9.9260 at 5 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
Villafranca in Lunigiana MS 2 4770 4770
Mulazzo MS 4 2424 7194
Filattiera MS 5 2309 9503
Tresana MS 6 2044 11547
Bagnone MS 6 1887 13434
Calice al Cornoviglio SP 9 1138 14572
Podenzana MS 9 2180 16752
Licciana Nardi MS 9 4949 21701
Aulla MS 10 11263 32964
Pontremoli MS 10 7357 40321
Bolano SP 12 7813 48134
Rocchetta di Vara SP 14 703 48837
Santo Stefano di Magra SP 14 9360 58197
Zignago SP 14 532 58729
Zeri MS 15 1094 59823
Follo SP 15 6337 66160
Beverino SP 16 2429 68589
Comano MS 17 714 69303
Fivizzano MS 17 7925 77228
Vezzano Ligure SP 17 7356 84584
Brugnato SP 17 1270 85854
Borghetto di Vara SP 18 938 86792
Fosdinovo MS 19 4883 91675
Arcola SP 20 10607 102282
Riccò del Golfo di Spezia SP 20 3698 105980
Sarzana SP 20 21976 127956
Sesta Godano SP 20 1377 129333

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of La Spezia (93959 inhabitants)
27 Km NW of Carrara (63133 inhabitants)
33 Km NW of Massa (69479 inhabitants)
54 Km NW of Viareggio (62467 inhabitants)
65 Km SW of Parma (192836 inhabitants)
68 Km NW of Lucca (89046 inhabitants)
72 Km SW of Reggio nell'Emilia (171345 inhabitants)
74 Km NW of Pisa (89158 inhabitants)
80 Km E of Genova (586655 inhabitants)
87 Km S of Piacenza (102191 inhabitants)
88 Km NW of Livorno (159219 inhabitants)
89 Km W of Pistoia (90315 inhabitants)
89 Km W of Modena (184973 inhabitants)
94 Km SW of Carpi (70699 inhabitants)
94 Km S of Cremona (71901 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 1.6 2024-02-17
04:31:24
44.2912 9.9265 5 2024-02-17
05:00:28
Sala Sismica INGV-Roma 125326581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-17 04:31:24 ± 0.16
Latitude 44.2912 ± 0.0045
Longitude 9.9265 ± 0.0126
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125326581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 500
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) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 12
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) 0.64391
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 125326581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-17 05:00:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PZUN.HNZ. 2024-02-17T04:33:01.98 3.0 negative manual Pg 13.9 0
IV.SENI.EHZ. 2024-02-17T04:32:35.84 3.0 undecidable manual Sn 1.31 0
IV.SGG.HHZ. 2024-02-17T04:32:32.45 3.0 undecidable manual Pn 2.18 0
IV.CTI.HHZ. 2024-02-17T04:32:01.75 3.0 undecidable manual Pn 1.46 0
GU.POPM.HHZ. 2024-02-17T04:31:37.87 1.0 undecidable manual P 112 71.4729 50 0.53 21
GU.MAIM.HHZ. 2024-02-17T04:31:35.46 0.6 negative manual P 133 61.494 50 -0.35 44
IV.PLMA.HHZ. 2024-02-17T04:31:33.38 0.3 undecidable manual S 192 27.3504 100 -0.41 69
GU.GRAM.HHZ. 2024-02-17T04:31:32.59 0.3 undecidable manual S 26 24.6531 101 -0.28 71
IT.BRR.HGZ. 2024-02-17T04:31:32.60 0.1 undecidable manual S 11 24.3534 102 -0.16 98
GU.EQUI.HHZ. 2024-02-17T04:31:31.63 0.3 undecidable manual S 128 22.755 102 -0.57 66
GU.FIVI.HNZ. 2024-02-17T04:31:30.41 0.1 undecidable manual S 110 16.9719 106 0.16 99
IV.PLMA.HHZ. 2024-02-17T04:31:30.16 0.3 positive manual P 192 27.3504 100 0.45 68
GU.GRAM.HHZ. 2024-02-17T04:31:29.32 0.1 negative manual P 26 24.6531 101 0.14 98
IT.BRR.HGZ. 2024-02-17T04:31:29.15 0.1 undecidable manual P 11 24.3534 102 0.04 100
GU.FIVI.HNZ. 2024-02-17T04:31:28.11 0.1 undecidable manual P 110 16.9719 106 0.44 93
GU.EQUI.HHZ. 2024-02-17T04:31:28.80 1.0 undecidable manual P 128 22.755 102 0.01 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:1.7 0.000315 0.2 AML other m 2024-02-17T04:31:32.82
GU.GRAM.HHN. ML:1.7 0.000338 0.74 AML other m 2024-02-17T04:31:33.60
IV.PLMA.HHE. ML:1.5 0.00017449999999999999 0.12 AML other m 2024-02-17T04:31:34.23
IV.PLMA.HHN. ML:1.4 0.0001365 0.14 AML other m 2024-02-17T04:31:34.25
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