Earthquake with magnitude of ML 1.6 on date 06-12-2022 and time 17:26:19 (UTC) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.6 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 06-12-2022 17:26:19 (UTC)
  • 06-12-2022 18:26:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8360, 10.1520 at 3 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
Viareggio LU 9 62467 62467
Forte dei Marmi LU 14 7510 69977
Pietrasanta LU 15 24007 93984
Massarosa LU 16 22471 116455
Camaiore LU 17 32513 148968
Seravezza LU 19 13073 162041
Vecchiano PI 20 12189 174230

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Viareggio (62467 inhabitants)
22 Km S of Massa (69479 inhabitants)
24 Km NW of Pisa (89158 inhabitants)
27 Km S of Carrara (63133 inhabitants)
28 Km W of Lucca (89046 inhabitants)
34 Km NW of Livorno (159219 inhabitants)
40 Km SE of La Spezia (93959 inhabitants)
62 Km W of Pistoia (90315 inhabitants)
76 Km W of Prato (191150 inhabitants)
83 Km W of Scandicci (50609 inhabitants)
89 Km W of Firenze (382808 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 1.6 2022-12-06
17:26:19
43.8362 10.1518 3 2024-03-01
15:28:12
Bollettino Sismico Italiano INGV 113057891
Reviewed
Rev100
ML 1.6 2022-12-06
17:26:19
43.8333 10.152 3 2022-12-06
17:43:15
Sala Sismica INGV-Roma 112571011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-06 17:26:19 ± 0.12
Latitude 43.8362 ± 0.0054
Longitude 10.1518 ± 0.0062
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113057891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 583
Semi-minor axis of confidence ellipse (meter) 246
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.98566
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 113057891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-28 14:46:00

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 112571011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-06 17:43:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTP.HNZ. 2022-12-06T17:27:41.39 3.0 undecidable manual Sg 10.12 0
IV.FRON.EHZ. 2022-12-06T17:27:25.23 3.0 undecidable manual Sg 9.05 0
CH.MUGIO.HHZ. 2022-12-06T17:27:24.65 3.0 undecidable manual Sn -0.05 0
GU.GSCL.HHN. 2022-12-06T17:26:41.42 0.6 undecidable manual S 31 66.7776 50 -0.17 36
GU.GORR.HHN. 2022-12-06T17:26:39.06 0.3 undecidable manual P 322 109.4127 50 0.18 0
IV.RUFI.EHE. 2022-12-06T17:26:39.11 1.0 undecidable manual P 89 108.6135 50 0.36 0
IV.SEI.HHZ. 2022-12-06T17:26:37.67 0.6 undecidable manual P 75 99.3228 50 0.35 0
IV.BOSL.HHE. 2022-12-06T17:26:37.49 0.3 undecidable manual P 83 98.3238 50 0.33 0
IV.CSNT.HHZ. 2022-12-06T17:26:37.88 0.3 undecidable manual P 113 99.8223 50 0.49 0
IV.TRIF.CHE. 2022-12-06T17:26:37.51 0.6 undecidable manual P 143 100.3218 50 0.05 0
IV.OSSC.HHE. 2022-12-06T17:26:36.37 0.3 undecidable manual P 111 94.3389 50 -0.18 2
IV.FNVD.HHZ. 2022-12-06T17:26:35.63 0.3 undecidable manual P 64 85.7475 50 0.4 13
IV.ZCCA.HNN. 2022-12-06T17:26:35.82 1.0 undecidable manual P 49 87.0462 50 0.4 4
IV.MOCL.EHZ. 2022-12-06T17:26:35.20 0.6 undecidable manual P 77 84.3489 50 0.2 11
IV.ERBM.EHE. 2022-12-06T17:26:33.14 0.3 undecidable manual P 18 67.9764 50 0.66 45
IV.MPPT.EHZ. 2022-12-06T17:26:33.55 0.3 undecidable manual P 79 76.1682 50 -0.2 33
GU.SARM.EHZ. 2022-12-06T17:26:33.88 0.6 undecidable manual S 27 43.4232 95 -0.84 40
MN.VLC.HHZ. 2022-12-06T17:26:33.51 0.3 undecidable manual S 27 40.4262 95 -0.18 73
GU.GRAM.HHZ. 2022-12-06T17:26:33.50 0.3 undecidable manual P 355 72.8715 50 0.26 40
GU.GSCL.HHN. 2022-12-06T17:26:32.50 0.3 undecidable manual P 31 66.7776 50 0.2 54
GU.EQUI.HHZ. 2022-12-06T17:26:32.05 0.3 undecidable manual S 0 36.6411 95 -0.31 71
IV.CRMI.HHZ. 2022-12-06T17:26:32.08 0.3 undecidable manual P 94 66.378 50 -0.16 55
GU.CARD.HHZ. 2022-12-06T17:26:31.57 0.3 undecidable manual S 51 33.744 96 0.19 73
IV.PLMA.HHZ. 2022-12-06T17:26:31.22 0.3 undecidable manual S 315 33.6441 96 -0.11 74
IV.PII.HHZ. 2022-12-06T17:26:30.37 0.3 undecidable manual S 113 32.4453 96 -0.56 66
GU.POPM.HHZ. 2022-12-06T17:26:29.86 0.1 undecidable manual P 64 53.6019 50 -0.41 91
GU.MAIM.HHZ. 2022-12-06T17:26:29.93 0.3 undecidable manual S 72 28.4493 97 0.37 70
GU.SARM.EHZ. 2022-12-06T17:26:28.47 0.3 undecidable manual P 27 43.4232 95 0.14 73
MN.VLC.HHZ. 2022-12-06T17:26:28.04 0.1 positive manual P 27 40.4262 95 0.3 95
IV.BDI.HHZ. 2022-12-06T17:26:28.16 0.1 undecidable manual P 54 43.4232 95 -0.18 97
GU.EQUI.HHZ. 2022-12-06T17:26:27.07 0.1 undecidable manual P 0 36.6411 95 0.1 99
IV.PLMA.HHZ. 2022-12-06T17:26:26.33 0.1 undecidable manual P 315 33.6441 96 -0.05 100
GU.CARD.HHZ. 2022-12-06T17:26:26.57 0.1 undecidable manual P 51 33.744 96 0.16 97
IV.PII.HHZ. 2022-12-06T17:26:26.18 0.1 undecidable manual P 113 32.4453 96 0.03 100
GU.MAIM.HHZ. 2022-12-06T17:26:25.70 0.1 undecidable manual P 72 28.4493 97 0.34 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHE. ML:1.3 0.000121423535 0.2432 AML other m 2022-12-06T17:26:30.32
IV.PII.HHN. ML:1.8 0.0002741466 0.1536 AML other m 2022-12-06T17:26:30.78
GU.MAIM.HHN. ML:1.5 0.0001835 0.3 AML other m 2022-12-06T17:26:30.96
IV.PII.HHE. ML:1.6 0.00020434225 0.1536 AML other m 2022-12-06T17:26:31.43
IV.PLMA.HHE. ML:1.5 0.00014773369999999998 0.1152 AML other m 2022-12-06T17:26:31.72
IV.PLMA.HHN. ML:1.4 0.000121819625 0.1152 AML other m 2022-12-06T17:26:32.08
GU.CARD.HHE. ML:1.8 0.00026461895000000005 0.128 AML other m 2022-12-06T17:26:32.29
GU.CARD.HHN. ML:2.0 0.0005253717 0.0896 AML other m 2022-12-06T17:26:32.55
GU.EQUI.HHE. ML:1.2 0.000062095075 0.32 AML other m 2022-12-06T17:26:32.57
GU.EQUI.HHN. ML:1.1 0.000048543495 0.1024 AML other m 2022-12-06T17:26:34.20
MN.VLC.HHE. ML:1.5 0.00011999999999999999 0.16 AML other m 2022-12-06T17:26:34.37
MN.VLC.HNE. ML:1.5 0.0001202212 0.1792 AML other m 2022-12-06T17:26:34.30
MN.VLC.HHN. ML:1.6 0.0001365 0.12 AML other m 2022-12-06T17:26:34.45
MN.VLC.HNN. ML:1.6 0.00013753124999999999 0.128 AML other m 2022-12-06T17:26:34.46
IV.CRMI.HNN. ML:2.1 0.00023778404999999996 0.8096 AML other m 2022-12-06T17:26:37.22
GU.POPM.HHE. ML:1.8 0.00016249999999999997 0.26 AML other m 2022-12-06T17:26:38.46
IV.BDI.HHN. ML:1.5 0.000107109815 0.1792 AML other m 2022-12-06T17:26:38.66
IV.BDI.HHE. ML:1.5 0.00010592896999999999 0.128 AML other m 2022-12-06T17:26:38.95
IV.BDI.HNE. ML:1.5 0.00011214824000000001 1.872 AML other m 2022-12-06T17:26:39.95
IV.BDI.HNN. ML:1.6 0.00011706145 0.2176 AML other m 2022-12-06T17:26:39.73
GU.POPM.HHN. ML:1.8 0.0001639551 0.1408 AML other m 2022-12-06T17:26:41.31
IV.CRMI.HHE. ML:1.0 0.0000218 1.54 AML other m 2022-12-06T17:26:43.83
IV.MPPT.EHN. ML:1.5 0.00005 0.2 AML other m 2022-12-06T17:26:46.51
GU.GRAM.HHN. ML:1.8 0.00008919363500000001 1.7952 AML other m 2022-12-06T17:26:47.03
GU.GRAM.HHE. ML:1.9 0.000123 0.18 AML other m 2022-12-06T17:26:48.30
IV.MPPT.EHE. ML:1.5 0.0000498 0.46 AML other m 2022-12-06T17:26:52.58
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