Earthquake with magnitude of ML 1.7 on date 05-07-2022 and time 14:42:37 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.7 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 05-07-2022 12:42:37 (UTC)
  • 05-07-2022 14:42:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8680, 10.2100 at 4 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 3 62467 62467
Pietrasanta LU 10 24007 86474
Massarosa LU 11 22471 108945
Forte dei Marmi LU 11 7510 116455
Camaiore LU 11 32513 148968
Seravezza LU 14 13073 162041
Stazzema LU 16 3193 165234
Montignoso MS 17 10323 175557
Vecchiano PI 17 12189 187746
Pescaglia LU 20 3526 191272
Massa MS 20 69479 260751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km W of Viareggio (62467 inhabitants)
20 Km S of Massa (69479 inhabitants)
23 Km NW of Pisa (89158 inhabitants)
24 Km W of Lucca (89046 inhabitants)
25 Km SE of Carrara (63133 inhabitants)
36 Km N of Livorno (159219 inhabitants)
41 Km SE of La Spezia (93959 inhabitants)
57 Km W of Pistoia (90315 inhabitants)
71 Km W of Prato (191150 inhabitants)
79 Km W of Scandicci (50609 inhabitants)
85 Km W of Firenze (382808 inhabitants)
98 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 1.7 2022-07-05
12:42:37
43.8678 10.2105 4 2023-01-31
19:03:48
Bollettino Sismico Italiano INGV 110216951
Reviewed
Rev100
ML 1.7 2022-07-05
12:42:37
43.8602 10.2113 5 2022-07-05
12:48:16
Sala Sismica INGV-Roma 106839271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-05 12:42:37 ± 0.14
Latitude 43.8678 ± 0.0054
Longitude 10.2105 ± 0.0075
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110216951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 526
Semi-minor axis of confidence ellipse (meter) 503
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.20774
Epicentral distance of station farthest from the epicenter (degree) 1.17721
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 110216951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-27 12:29:53

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 106839271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-05 12:48:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GORR.HHZ. 2022-07-05T12:43:10.27 0.3 undecidable manual S 319 109.8123 50 -0.74 53
IV.SEI.HHZ. 2022-07-05T12:43:07.05 0.6 undecidable manual S 77 93.9393 50 0.25 43
IV.CASP.HHZ. 2022-07-05T12:43:00.15 0.1 undecidable manual P 156 130.6692 50 0.01 83
GU.GRAM.HHZ. 2022-07-05T12:42:59.96 0.3 undecidable manual S 351 70.0743 50 -0.45 64
GU.GORR.HHZ. 2022-07-05T12:42:57.02 0.1 undecidable manual P 319 109.8123 50 0.09 86
GU.GSCL.HHZ. 2022-07-05T12:42:57.49 0.3 undecidable manual S 29 61.3941 50 -0.62 62
IV.SEI.HHZ. 2022-07-05T12:42:55.40 0.1 undecidable manual P 77 93.9393 50 0.91 68
GU.POPM.HHZ. 2022-07-05T12:42:53.90 0.6 undecidable manual S 66 47.8188 95 -0.44 45
IV.FNVD.HHZ. 2022-07-05T12:42:52.88 0.1 undecidable manual P 65 80.0643 50 0.54 82
GU.SARM.EHZ. 2022-07-05T12:42:51.20 0.3 undecidable manual S 23 38.2284 96 0.19 72
GU.GRAM.HHZ. 2022-07-05T12:42:51.01 0.1 undecidable manual P 351 70.0743 50 0.21 90
IV.BDI.HHZ. 2022-07-05T12:42:50.48 0.6 undecidable manual S 55 37.629 96 -0.31 47
GU.GSCL.HHZ. 2022-07-05T12:42:49.70 0.1 undecidable manual P 29 61.3941 50 0.23 91
MN.VLC.HHZ. 2022-07-05T12:42:49.92 0.3 undecidable manual S 23 35.2425 96 -0.06 74
GU.EQUI.HHZ. 2022-07-05T12:42:49.06 0.3 undecidable manual S 352 33.4443 97 -0.29 71
IV.CRMI.HHZ. 2022-07-05T12:42:49.45 0.1 undecidable manual P 97 62.0934 50 -0.12 93
IV.PII.HHZ. 2022-07-05T12:42:47.28 0.3 undecidable manual S 123 29.9478 98 -0.87 59
GU.CARD.HHZ. 2022-07-05T12:42:47.38 0.6 undecidable manual S 51 27.9498 98 -0.08 50
GU.POPM.HHZ. 2022-07-05T12:42:47.17 0.1 undecidable manual P 66 47.8188 95 -0.12 96
IV.BDI.HHZ. 2022-07-05T12:42:45.17 0.1 undecidable manual P 55 37.629 96 -0.08 99
GU.SARM.EHZ. 2022-07-05T12:42:45.51 0.1 undecidable manual P 23 38.2284 96 0.14 97
GU.MAIM.HHZ. 2022-07-05T12:42:45.68 0.3 undecidable manual S 77 23.0547 100 -0.1 75
MN.VLC.HHZ. 2022-07-05T12:42:45.02 0.1 undecidable manual P 23 35.2425 96 0.24 96
GU.EQUI.HHZ. 2022-07-05T12:42:44.50 0.1 undecidable manual P 352 33.4443 97 0.09 99
IV.PLMA.HHZ. 2022-07-05T12:42:44.69 0.1 undecidable manual P 305 34.9428 96 -0.03 100
IV.PII.HHZ. 2022-07-05T12:42:43.48 0.1 undecidable manual P 123 29.9478 98 -0.24 96
GU.CARD.HHZ. 2022-07-05T12:42:43.59 0.1 undecidable manual P 51 27.9498 98 0.27 96
GU.MAIM.HHZ. 2022-07-05T12:42:42.70 0.1 undecidable manual P 77 23.0547 100 0.34 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HHN. ML:1.2 0.00005788993 0.1152 AML other m 2022-07-05T12:42:50.22
GU.MAIM.HHN. ML:1.8 0.0005115 0.28 AML other m 2022-07-05T12:42:46.48
GU.MAIM.HHE. ML:1.6 0.00029749999999999997 0.4 AML other m 2022-07-05T12:42:46.64
IV.PII.HHN. ML:1.7 0.000259 0.18 AML other m 2022-07-05T12:42:48.15
GU.CARD.HHN. ML:1.9 0.000404 0.26 AML other m 2022-07-05T12:42:48.09
IV.PII.HHE. ML:1.6 0.00022250000000000001 0.54 AML other m 2022-07-05T12:42:48.56
GU.CARD.HHE. ML:1.9 0.00044050000000000003 0.62 AML other m 2022-07-05T12:42:48.57
GU.EQUI.HHN. ML:1.2 0.00007195 0.64 AML other m 2022-07-05T12:42:49.28
GU.EQUI.HHE. ML:1.3 0.0000906 1 AML other m 2022-07-05T12:42:50.08
MN.VLC.HHE. ML:1.4 0.0000957 0.1 AML other m 2022-07-05T12:42:54.37
IV.BDI.HHN. ML:1.7 0.0001735 0.24 AML other m 2022-07-05T12:42:55.24
IV.BDI.HHE. ML:1.7 0.00018099999999999998 1.46 AML other m 2022-07-05T12:42:55.76
GU.POPM.HHN. ML:2.0 0.00031 0.16 AML other m 2022-07-05T12:42:57.59
GU.GSCL.HHN. ML:1.7 0.00010295 0.3 AML other m 2022-07-05T12:42:58.08
GU.POPM.HHE. ML:2.1 0.000352 0.22 AML other m 2022-07-05T12:42:59.29
GU.GSCL.HHE. ML:1.8 0.000121 0.26 AML other m 2022-07-05T12:43:00.54
IV.CRMI.HHN. ML:1.4 0.00004505 1.4 AML other m 2022-07-05T12:43:00.04
IV.CRMI.HHE. ML:1.2 0.000036150000000000005 1.78 AML other m 2022-07-05T12:43:00.00
GU.GRAM.HHE. ML:1.8 0.000118 1.14 AML other m 2022-07-05T12:43:01.89
GU.GRAM.HHN. ML:1.8 0.0001085 0.14 AML other m 2022-07-05T12:43:03.80
IV.FNVD.HHE. ML:1.6 0.000055849999999999996 0.56 AML other m 2022-07-05T12:43:06.92
IV.FNVD.HHN. ML:1.8 0.00008685000000000001 0.38 AML other m 2022-07-05T12:43:06.97
IV.SEI.HHE. ML:2.0 0.00011949999999999999 0.4 AML other m 2022-07-05T12:43:10.78
IV.SEI.HHN. ML:1.9 0.00009520000000000001 0.4 AML other m 2022-07-05T12:43:10.60
GU.GORR.HHE. ML:1.8 0.00005985 0.62 AML other m 2022-07-05T12:43:12.60
GU.GORR.HHN. ML:1.9 0.0000659 0.38 AML other m 2022-07-05T12:43:13.12
MN.VLC.HNN. ML:1.2 0.00006471602 0.2176 AML other m 2022-07-05T12:42:50.96
MN.VLC.HNE. ML:1.4 0.00009437878 0.1152 AML other m 2022-07-05T12:42:54.37
IV.BDI.HNN. ML:1.6 0.00017084050000000002 0.2816 AML other m 2022-07-05T12:42:56.36
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