Earthquake with magnitude of ML 1.6 on date 06-12-2023 and time 02:41:39 (Italy) in region 2 km SW Fivizzano (MS)

A magnitude ML 1.6 earthquake occured in region: 2 km SW Fivizzano (MS), on

  • 06-12-2023 01:41:39 (UTC)
  • 06-12-2023 02:41:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2190, 10.1090 at 10 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
Fivizzano MS 2 7925 7925
Casola in Lunigiana MS 6 988 8913
Licciana Nardi MS 8 4949 13862
Comano MS 9 714 14576
Minucciano LU 10 2102 16678
Aulla MS 11 11263 27941
Fosdinovo MS 12 4883 32824
Tresana MS 13 2044 34868
Podenzana MS 13 2180 37048
Bagnone MS 14 1887 38935
Villafranca in Lunigiana MS 15 4770 43705
Castelnuovo Magra SP 15 8415 52120
Sillano Giuncugnano LU 15 1085 53205
Ortonovo SP 16 8277 61482
Carrara MS 16 63133 124615
Piazza al Serchio LU 16 2367 126982
Sarzana SP 17 21976 148958
Santo Stefano di Magra SP 17 9360 158318
Bolano SP 17 7813 166131
Vagli Sotto LU 18 939 167070
Filattiera MS 19 2309 169379
Camporgiano LU 19 2176 171555
Mulazzo MS 20 2424 173979
San Romano in Garfagnana LU 20 1410 175389
Arcola SP 20 10607 185996
Vezzano Ligure SP 20 7356 193352

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km N of Carrara (63133 inhabitants)
20 Km N of Massa (69479 inhabitants)
26 Km E of La Spezia (93959 inhabitants)
41 Km N of Viareggio (62467 inhabitants)
52 Km NW of Lucca (89046 inhabitants)
61 Km NW of Pisa (89158 inhabitants)
67 Km S of Parma (192836 inhabitants)
68 Km SW of Reggio nell'Emilia (171345 inhabitants)
72 Km W of Pistoia (90315 inhabitants)
76 Km N of Livorno (159219 inhabitants)
81 Km SW of Modena (184973 inhabitants)
88 Km W of Prato (191150 inhabitants)
88 Km SW of Carpi (70699 inhabitants)
96 Km E of Genova (586655 inhabitants)
98 Km SE of Piacenza (102191 inhabitants)
100 Km NW of Scandicci (50609 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 2023-12-06
01:41:39
44.2188 10.1092 10 2023-12-06
02:00:03
Sala Sismica INGV-Roma 123845481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-06 01:41:39 ± 0.09
Latitude 44.2188 ± 0.0054
Longitude 10.1092 ± 0.0088
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123845481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 738
Semi-minor axis of confidence ellipse (meter) 485
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.58006
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 123845481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-06 02:00:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2023-12-06T01:41:58.93 0.6 undecidable manual S 149 64.3911 50 -0.19 44
IV.BDI.HHZ. 2023-12-06T01:41:53.36 0.6 undecidable manual S 114 42.4242 50 0.1 47
GU.MAIM.HHZ. 2023-12-06T01:41:53.92 0.6 undecidable manual S 138 45.621 50 -0.19 45
IV.PII.HHZ. 2023-12-06T01:41:51.19 0.3 undecidable manual P 149 64.3911 50 0.46 62
GU.CARD.HHZ. 2023-12-06T01:41:51.29 0.6 undecidable manual S 126 36.6411 50 -0.42 44
GU.GRAM.HHZ. 2023-12-06T01:41:49.69 0.6 undecidable manual S 353 30.3474 50 -0.34 45
IV.PLMA.HHZ. 2023-12-06T01:41:48.94 0.6 undecidable manual S 227 27.6501 50 -0.39 45
GU.MAIM.HHZ. 2023-12-06T01:41:48.07 1.0 undecidable manual P 138 45.621 50 0.22 23
MN.VLC.HHZ. 2023-12-06T01:41:47.68 0.6 undecidable manual S 107 23.0547 114 -0.34 46
IV.BDI.HHZ. 2023-12-06T01:41:47.51 0.1 undecidable manual P 114 42.4242 50 0.16 92
GU.CARD.HHZ. 2023-12-06T01:41:46.55 0.6 undecidable manual P 126 36.6411 50 0.09 47
GU.GRAM.HHZ. 2023-12-06T01:41:45.62 0.1 positive manual P 353 30.3474 50 0.13 94
IV.PLMA.HHZ. 2023-12-06T01:41:45.23 1.0 undecidable manual P 227 27.6501 50 0.15 24
MN.VLC.HHZ. 2023-12-06T01:41:44.57 0.6 positive manual P 107 23.0547 114 0.24 47
GU.EQUI.HHZ. 2023-12-06T01:41:43.39 0.6 undecidable manual S 149 6.7932 146 -0.15 49
GU.FIVI.HNZ. 2023-12-06T01:41:42.52 0.6 undecidable manual S 32 2.6973 165 -0.42 47
GU.FIVI.HNZ. 2023-12-06T01:41:41.48 0.1 negative manual P 32 2.6973 165 0.08 100
GU.EQUI.HHZ. 2023-12-06T01:41:41.93 0.1 undecidable manual P 149 6.7932 146 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.FIVI.HNE. ML:2.3 0.0037350000000000005 0.14 AML other m 2023-12-06T01:41:42.68
GU.FIVI.HNN. ML:2.2 0.003075 0.16 AML other m 2023-12-06T01:41:42.75
GU.EQUI.HHE. ML:1.1 0.00019800000000000002 0.24 AML other m 2023-12-06T01:41:43.58
GU.EQUI.HHN. ML:1.3 0.0003005 0.36 AML other m 2023-12-06T01:41:43.61
GU.GRAM.HHE. ML:2.0 0.0004275 0.2 AML other m 2023-12-06T01:41:51.74
GU.GRAM.HHN. ML:1.8 0.00027550000000000003 1.28 AML other m 2023-12-06T01:41:51.84
GU.CARD.HHE. ML:1.3 0.0000818 0.62 AML other m 2023-12-06T01:41:51.86
GU.CARD.HHN. ML:1.3 0.00007115000000000001 1.38 AML other m 2023-12-06T01:41:53.17
IV.PII.HHN. ML:1.5 0.0000649 0.78 AML other m 2023-12-06T01:42:01.54
IV.PII.HHE. ML:1.6 0.0000748 0.28 AML other m 2023-12-06T01:42:01.77
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