Earthquake with magnitude of ML 1.4 on date 05-07-2022 and time 18:13:16 (UTC) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.4 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 05-07-2022 18:13:16 (UTC)
  • 05-07-2022 20:13:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8580, 10.1970 at 8 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 5 62467 62467
Pietrasanta LU 12 24007 86474
Forte dei Marmi LU 12 7510 93984
Massarosa LU 12 22471 116455
Camaiore LU 13 32513 148968
Seravezza LU 16 13073 162041
Stazzema LU 18 3193 165234
Vecchiano PI 18 12189 177423
Montignoso MS 18 10323 187746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km W of Viareggio (62467 inhabitants)
20 Km S of Massa (69479 inhabitants)
23 Km NW of Pisa (89158 inhabitants)
25 Km W of Lucca (89046 inhabitants)
26 Km SE of Carrara (63133 inhabitants)
35 Km N of Livorno (159219 inhabitants)
40 Km SE of La Spezia (93959 inhabitants)
58 Km W of Pistoia (90315 inhabitants)
72 Km W of Prato (191150 inhabitants)
80 Km W of Scandicci (50609 inhabitants)
86 Km W of Firenze (382808 inhabitants)
100 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 1.4 2022-07-05
18:13:16
43.8583 10.1967 8 2023-01-31
19:03:48
Bollettino Sismico Italiano INGV 110220431
Reviewed
Rev100
ML 1.5 2022-07-05
18:13:16
43.8523 10.2033 9 2022-07-05
18:26:29
Sala Sismica INGV-Roma 106851571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-05 18:13:16 ± 0.23
Latitude 43.8583 ± 0.0099
Longitude 10.1967 ± 0.0112
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110220431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1199
Semi-minor axis of confidence ellipse (meter) 126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44426
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 110220431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-27 14:42:34

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 106851571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-05 18:26:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2022-07-05T18:13:32.36 0.3 undecidable manual S 65 49.3173 50 -0.3 69
GU.EQUI.HHZ. 2022-07-05T18:13:28.03 0.3 undecidable manual S 354 34.3434 102 -0.4 70
MN.VLC.HHZ. 2022-07-05T18:13:28.78 0.6 undecidable manual S 24 36.6411 102 -0.45 46
IV.PLMA.HHZ. 2022-07-05T18:13:27.85 0.3 undecidable manual S 308 34.6431 102 -0.7 63
HL.VLS.HHZ. 2022-07-05T18:13:26.55 3.0 undecidable manual Pg 21.379999 0
IV.PII.HHZ. 2022-07-05T18:13:26.25 0.3 undecidable manual S 120 30.3474 104 -0.85 60
GU.CARD.HHZ. 2022-07-05T18:13:26.78 0.3 undecidable manual S 51 29.4483 104 -0.01 76
GU.POPM.HHZ. 2022-07-05T18:13:25.76 0.1 undecidable manual P 65 49.3173 50 0.04 98
GU.MAIM.HHZ. 2022-07-05T18:13:24.88 0.3 undecidable manual S 75 24.3534 107 -0.21 74
MN.VLC.HHZ. 2022-07-05T18:13:24.12 0.1 undecidable manual P 24 36.6411 102 0.37 93
IV.PLMA.HHZ. 2022-07-05T18:13:23.58 0.1 undecidable manual P 308 34.6431 102 0.22 96
GU.EQUI.HHZ. 2022-07-05T18:13:23.58 0.1 undecidable manual P 354 34.3434 102 0.29 95
IV.PII.HHZ. 2022-07-05T18:13:22.59 0.1 undecidable manual P 120 30.3474 104 0.08 100
GU.CARD.HHZ. 2022-07-05T18:13:22.68 0.1 undecidable manual P 51 29.4483 104 0.34 95
GU.MAIM.HHZ. 2022-07-05T18:13:21.89 0.1 undecidable manual P 75 24.3534 107 0.54 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHE. ML:1.1 0.000078895815 0.1792 AML other m 2022-07-05T18:13:25.18
GU.MAIM.HHN. ML:1.4 0.0001557674 0.2048 AML other m 2022-07-05T18:13:25.48
IV.PII.HHN. ML:1.7 0.00023899999999999998 0.44 AML other m 2022-07-05T18:13:26.65
IV.PII.HHE. ML:1.5 0.00015389729999999997 0.2176 AML other m 2022-07-05T18:13:26.66
GU.CARD.HHE. ML:1.8 0.0003135 0.38 AML other m 2022-07-05T18:13:27.15
GU.CARD.HHN. ML:1.7 0.0002805 0.28 AML other m 2022-07-05T18:13:27.21
GU.EQUI.HHE. ML:1.0 0.0000393 1.1 AML other m 2022-07-05T18:13:28.66
MN.VLC.HHN. ML:1.0 0.000036 0.38 AML other m 2022-07-05T18:13:29.29
MN.VLC.HHE. ML:1.0 0.00003835 0.82 AML other m 2022-07-05T18:13:29.04
GU.EQUI.HHN. ML:0.8 0.000030350000000000002 0.62 AML other m 2022-07-05T18:13:31.34
GU.POPM.HHN. ML:1.8 0.000153 1.58 AML other m 2022-07-05T18:13:32.02
GU.POPM.HHE. ML:1.8 0.00016599999999999997 0.18 AML other m 2022-07-05T18:13:34.06
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download