Earthquake with magnitude of ML 0.9 on date 07-07-2022 and time 05:35:48 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 0.9 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 07-07-2022 03:35:48 (UTC)
  • 07-07-2022 05:35:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8560, 10.1840 at 6 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 6 62467 62467
Forte dei Marmi LU 12 7510 69977
Pietrasanta LU 12 24007 93984
Massarosa LU 13 22471 116455
Camaiore LU 14 32513 148968
Seravezza LU 16 13073 162041
Montignoso MS 18 10323 172364
Stazzema LU 18 3193 175557
Vecchiano PI 18 12189 187746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of Viareggio (62467 inhabitants)
21 Km S of Massa (69479 inhabitants)
23 Km NW of Pisa (89158 inhabitants)
26 Km W of Lucca (89046 inhabitants)
26 Km S of Carrara (63133 inhabitants)
35 Km NW of Livorno (159219 inhabitants)
40 Km SE of La Spezia (93959 inhabitants)
60 Km W of Pistoia (90315 inhabitants)
73 Km W of Prato (191150 inhabitants)
81 Km W of Scandicci (50609 inhabitants)
87 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 0.9 2022-07-07
03:35:48
43.8558 10.184 6 2023-01-31
19:03:57
Bollettino Sismico Italiano INGV 113256641
Reviewed
Rev100
ML 0.9 2022-07-07
03:35:42
43.8687 10.1952 9 2022-07-07
04:04:08
Sala Sismica INGV-Roma 106891811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-07 03:35:48 ± 0.14
Latitude 43.8558 ± 0.0063
Longitude 10.1840 ± 0.0075
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113256641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 643
Semi-minor axis of confidence ellipse (meter) 453
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 200
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66370
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 113256641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-02 15:18:46

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 106891811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-07 04:04:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.DRE.HHZ. 2022-07-07T03:37:28.95 3.0 undecidable manual Sg 16.620001 0
OT.OT14.EHZ. 2022-07-07T03:37:06.58 3.0 positive manual Pg 14.18 0
IV.SAMA.EHZ. 2022-07-07T03:37:01.21 3.0 undecidable manual Sn 0.75 0
IT.MMP1.HGZ. 2022-07-07T03:36:58.30 3.0 undecidable manual Sg 4.8 0
IV.CMPR.HHZ. 2022-07-07T03:36:56.57 3.0 positive manual Pn -4.22 0
IV.MRB1.HHZ. 2022-07-07T03:36:47.38 3.0 negative manual Pn -3.21 0
IV.TOLF.HHZ. 2022-07-07T03:36:46.48 3.0 undecidable manual Sn -2.25 0
GU.MGRO.HHZ. 2022-07-07T03:36:41.67 3.0 undecidable manual Sg 1.29 0
IV.FRON.EHZ. 2022-07-07T03:36:36.22 3.0 undecidable manual Sn -0.6 0
IV.FVI.HHZ. 2022-07-07T03:36:32.39 3.0 undecidable manual Pn -0.67 0
CH.BERNI.HHZ. 2022-07-07T03:36:31.16 3.0 undecidable manual Pg 7.06 0
GU.TRAV.HHZ. 2022-07-07T03:36:29.09 3.0 undecidable manual Pg 5.23 0
IV.FIAM.HHZ. 2022-07-07T03:36:26.43 3.0 undecidable manual Pn 0.53 0
IV.CIMA.HNZ. 2022-07-07T03:36:23.13 3.0 undecidable manual Pn -0.74 0
IV.MTRA.EHZ. 2022-07-07T03:36:23.85 3.0 undecidable manual Pn -0.45 0
IV.MSSA.HHZ. 2022-07-07T03:36:11.54 0.6 undecidable manual S 314 73.6707 50 -0.14 49
GU.SARM.EHN. 2022-07-07T03:36:02.61 0.6 undecidable manual S 25 40.3263 99 -0.06 52
IV.BDI.HHZ. 2022-07-07T03:36:02.18 0.6 undecidable manual S 55 40.1265 99 -0.42 49
MN.VLC.HHZ. 2022-07-07T03:36:01.52 0.6 undecidable manual S 26 37.3293 100 -0.14 52
IV.MSSA.HHZ. 2022-07-07T03:36:01.35 0.6 undecidable manual P 314 73.6707 50 -0.54 44
IV.PLMA.HHZ. 2022-07-07T03:36:00.47 0.6 undecidable manual S 309 34.0437 101 -0.06 53
GU.EQUI.HHZ. 2022-07-07T03:36:00.60 0.6 undecidable manual S 356 34.5432 100 -0.08 53
IV.PII.HHZ. 2022-07-07T03:35:59.13 0.6 undecidable manual S 118 31.0467 102 -0.39 50
GU.CARD.HHZ. 2022-07-07T03:35:59.21 0.3 undecidable manual S 51 30.4473 102 -0.08 80
GU.POPM.HHZ. 2022-07-07T03:35:58.55 0.3 undecidable manual P 65 50.3163 50 0.26 74
GU.MAIM.HHZ. 2022-07-07T03:35:57.23 0.3 undecidable manual S 75 25.3524 104 -0.37 76
GU.SARM.EHN. 2022-07-07T03:35:56.53 0.3 undecidable manual P 25 40.3263 99 -0.15 77
MN.VLC.HHZ. 2022-07-07T03:35:56.42 0.1 undecidable manual P 26 37.3293 100 0.32 100
IV.BDI.HHZ. 2022-07-07T03:35:56.86 0.6 undecidable manual P 55 40.1265 99 0.22 51
GU.EQUI.HHZ. 2022-07-07T03:35:55.85 0.3 undecidable manual P 356 34.5432 100 0.31 76
IV.PLMA.HHZ. 2022-07-07T03:35:55.18 0.6 undecidable manual P 309 34.0437 101 -0.27 51
GU.CARD.HHZ. 2022-07-07T03:35:55.03 0.3 undecidable manual P 51 30.4473 102 0.3 76
IV.PII.HHZ. 2022-07-07T03:35:54.86 0.3 undecidable manual P 118 31.0467 102 0 81
GU.MAIM.HHZ. 2022-07-07T03:35:54.29 0.3 undecidable manual P 75 25.3524 104 0.54 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HNN. ML:1.5 0.00011738182 0.7808 AML other m 2022-07-07T03:35:51.44
GU.MAIM.HHN. ML:0.8 0.000035643454999999995 0.4 AML other m 2022-07-07T03:35:51.46
GU.MAIM.HHE. ML:0.5 0.00002014715 0.84 AML other m 2022-07-07T03:35:51.32
GU.CARD.HHE. ML:1.0 0.00005392856 1.4208 AML other m 2022-07-07T03:35:52.24
IV.PII.HHE. ML:0.5 0.000016799375 0.2192 AML other m 2022-07-07T03:35:53.02
IV.PII.HHN. ML:0.5 0.000014282466500000001 0.16 AML other m 2022-07-07T03:35:53.28
GU.CARD.HHN. ML:1.1 0.000059159160000000005 0.84 AML other m 2022-07-07T03:35:53.55
IV.BDI.HNE. ML:1.5 0.0001155718 0.9008 AML other m 2022-07-07T03:35:53.61
MN.VLC.HNE. ML:1.0 0.000040478715 0.4192 AML other m 2022-07-07T03:35:55.21
MN.VLC.HHE. ML:0.7 0.0000207916085 0.12 AML other m 2022-07-07T03:35:56.57
MN.VLC.HHN. ML:0.8 0.0000273232 0.16 AML other m 2022-07-07T03:35:56.59
MN.VLC.HNN. ML:1.1 0.000046001345 1.5408 AML other m 2022-07-07T03:35:58.93
GU.EQUI.HHN. ML:0.6 0.00001566194 0.1408 AML other m 2022-07-07T03:36:00.89
GU.EQUI.HHE. ML:0.7 0.000022396889999999998 0.12 AML other m 2022-07-07T03:36:01.52
IV.PLMA.HHN. ML:1.0 0.00004189263 0.1008 AML other m 2022-07-07T03:36:01.63
IV.PLMA.HHE. ML:1.0 0.000038066955 0.1792 AML other m 2022-07-07T03:36:02.12
IV.BDI.HHN. ML:0.9 0.00002785 1.02 AML other m 2022-07-07T03:36:02.33
IV.BDI.HHE. ML:0.9 0.000030251034999999998 0.16 AML other m 2022-07-07T03:36:02.35
GU.POPM.HHE. ML:1.5 0.0000863 1.78 AML other m 2022-07-07T03:36:06.07
GU.POPM.HHN. ML:1.3 0.00005715 1.76 AML other m 2022-07-07T03:36:06.11
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