Earthquake with magnitude of ML 1.1 on date 06-07-2022 and time 03:57:40 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.1 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 06-07-2022 01:57:40 (UTC)
  • 06-07-2022 03:57:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8560, 10.2270 at 10 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 2 62467 62467
Massarosa LU 9 22471 84938
Camaiore LU 11 32513 117451
Pietrasanta LU 12 24007 141458
Forte dei Marmi LU 13 7510 148968
Vecchiano PI 15 12189 161157
Seravezza LU 16 13073 174230
Stazzema LU 17 3193 177423
Montignoso MS 19 10323 187746
Pescaglia LU 19 3526 191272

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km SW of Viareggio (62467 inhabitants)
21 Km NW of Pisa (89158 inhabitants)
21 Km SE of Massa (69479 inhabitants)
22 Km W of Lucca (89046 inhabitants)
27 Km SE of Carrara (63133 inhabitants)
34 Km N of Livorno (159219 inhabitants)
42 Km SE of La Spezia (93959 inhabitants)
56 Km W of Pistoia (90315 inhabitants)
70 Km W of Prato (191150 inhabitants)
77 Km W of Scandicci (50609 inhabitants)
83 Km W of Firenze (382808 inhabitants)
99 Km SW of Reggio nell'Emilia (171345 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 1.1 2022-07-06
01:57:40
43.8562 10.2267 10 2023-01-31
19:03:55
Bollettino Sismico Italiano INGV 111482681
Reviewed
Rev100
ML 1.1 2022-07-06
01:57:39
43.8503 10.213 9 2022-07-06
02:08:01
Sala Sismica INGV-Roma 106862181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-06 01:57:40 ± 0.22
Latitude 43.8562 ± 0.0090
Longitude 10.2267 ± 0.0112
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111482681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1022
Semi-minor axis of confidence ellipse (meter) 563
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.19875
Epicentral distance of station farthest from the epicenter (degree) 0.66100
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 111482681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-04 15:48:24

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 106862181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-06 02:08:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHN. 2022-07-06T01:58:00.08 0.6 undecidable manual S 28 61.8936 50 0.88 36
GU.POPM.HHZ. 2022-07-06T01:57:55.37 0.6 undecidable manual S 63 47.2194 50 0.1 48
GU.SARM.EHN. 2022-07-06T01:57:53.01 0.6 undecidable manual S 21 38.9277 50 -0.04 49
IV.MAGO.CHE. 2022-07-06T01:57:53.40 0.3 undecidable manual P 152 73.371 50 0.54 62
IV.BDI.HHZ. 2022-07-06T01:57:52.63 0.6 undecidable manual S 52 37.3293 50 0 50
IV.PLMA.HHZ. 2022-07-06T01:57:52.27 0.6 undecidable manual S 306 36.741 50 -0.19 48
GU.EQUI.HHN. 2022-07-06T01:57:51.20 0.6 undecidable manual S 350 34.8429 50 -0.77 40
GU.GSCL.HHN. 2022-07-06T01:57:51.88 0.1 undecidable manual P 28 61.8936 50 0.79 76
MN.VLC.HHZ. 2022-07-06T01:57:51.89 0.6 undecidable manual S 21 35.9418 50 -0.37 46
IV.PII.HHZ. 2022-07-06T01:57:49.31 0.6 undecidable manual S 122 28.1496 50 -0.87 39
GU.CARD.HHZ. 2022-07-06T01:57:49.82 0.6 undecidable manual S 47 27.75 50 -0.26 48
GU.POPM.HHZ. 2022-07-06T01:57:49.31 0.3 undecidable manual P 63 47.2194 50 0.48 66
GU.MAIM.HHZ. 2022-07-06T01:57:47.77 0.6 undecidable manual S 73 22.0668 115 -0.72 42
MN.VLC.HHZ. 2022-07-06T01:57:47.14 0.1 undecidable manual P 21 35.9418 50 0.05 98
GU.SARM.EHN. 2022-07-06T01:57:47.68 0.1 undecidable manual P 21 38.9277 50 0.13 96
IV.BDI.HHZ. 2022-07-06T01:57:47.37 0.3 undecidable manual P 52 37.3293 50 0.07 73
IV.PLMA.HHZ. 2022-07-06T01:57:47.09 0.3 undecidable manual P 306 36.741 50 -0.12 73
GU.EQUI.HHN. 2022-07-06T01:57:46.69 0.1 undecidable manual P 350 34.8429 50 -0.23 95
GU.MAIM.HHZ. 2022-07-06T01:57:45.00 0.1 undecidable manual P 73 22.0668 115 0.09 100
IV.PII.HHZ. 2022-07-06T01:57:45.66 0.1 undecidable manual P 122 28.1496 50 -0.23 96
GU.CARD.HHZ. 2022-07-06T01:57:45.78 0.1 positive manual P 47 27.75 50 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHE. ML:0.8 0.000042050000000000006 0.56 AML other m 2022-07-06T01:57:48.25
GU.MAIM.HHN. ML:1.0 0.00006560000000000001 0.48 AML other m 2022-07-06T01:57:48.32
IV.PII.HHN. ML:1.3 0.00010745000000000001 0.48 AML other m 2022-07-06T01:57:49.72
IV.PII.HHE. ML:1.2 0.00007735 0.44 AML other m 2022-07-06T01:57:49.74
GU.CARD.HHE. ML:1.1 0.00007055000000000001 0.36 AML other m 2022-07-06T01:57:50.41
GU.CARD.HHN. ML:1.2 0.00007505000000000001 1.04 AML other m 2022-07-06T01:57:50.94
IV.BDI.HHN. ML:0.9 0.000032 0.92 AML other m 2022-07-06T01:57:53.04
IV.BDI.HHE. ML:0.8 0.000025300000000000002 0.76 AML other m 2022-07-06T01:57:53.05
GU.POPM.HHN. ML:1.2 0.00004645 1.18 AML other m 2022-07-06T01:58:00.19
GU.POPM.HHE. ML:1.2 0.000049000000000000005 0.18 AML other m 2022-07-06T01:58:01.44
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