Earthquake with magnitude of ML 0.7 on date 07-07-2022 and time 03:36:41 (UTC) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 0.7 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 07-07-2022 03:36:41 (UTC)
  • 07-07-2022 05:36:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8600, 10.2100 at 7 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
Massarosa LU 11 22471 84938
Pietrasanta LU 11 24007 108945
Camaiore LU 12 32513 141458
Forte dei Marmi LU 12 7510 148968
Seravezza LU 15 13073 162041
Vecchiano PI 17 12189 174230
Stazzema LU 17 3193 177423
Montignoso MS 18 10323 187746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km W of Viareggio (62467 inhabitants)
21 Km S of Massa (69479 inhabitants)
22 Km NW of Pisa (89158 inhabitants)
24 Km W of Lucca (89046 inhabitants)
26 Km SE of Carrara (63133 inhabitants)
35 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)
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 0.7 2022-07-07
03:36:41
43.8603 10.2105 7 2023-01-31
19:03:57
Bollettino Sismico Italiano INGV 113256591
Reviewed
Rev100
ML 0.6 2022-07-07
03:36:41
43.8807 10.2165 8 2022-07-07
03:54:59
Sala Sismica INGV-Roma 106891761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-07 03:36:41 ± 0.22
Latitude 43.8603 ± 0.0063
Longitude 10.2105 ± 0.0112
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113256591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 822
Semi-minor axis of confidence ellipse (meter) 548
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 231
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.20954
Epicentral distance of station farthest from the epicenter (degree) 0.43437
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 113256591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-02 15:09:14

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 106891761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-07 03:54:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2022-07-07T03:36:57.25 0.6 undecidable manual S 65 48.2184 50 -0.34 47
IV.BDI.HHZ. 2022-07-07T03:36:54.53 0.6 undecidable manual S 54 38.0286 100 -0.17 50
GU.SARM.EHZ. 2022-07-07T03:36:54.78 0.3 undecidable manual S 23 38.9277 100 -0.23 74
MN.VLC.HHZ. 2022-07-07T03:36:53.90 0.6 undecidable manual S 23 36.0417 100 -0.09 51
GU.EQUI.HHZ. 2022-07-07T03:36:52.95 0.6 undecidable manual S 352 34.2435 101 -0.43 48
GU.CARD.HHZ. 2022-07-07T03:36:51.60 0.3 undecidable manual S 50 28.4493 103 0.18 76
GU.POPM.HHZ. 2022-07-07T03:36:51.01 0.3 undecidable manual P 65 48.2184 50 0.31 71
IV.PII.HHZ. 2022-07-07T03:36:51.43 0.6 undecidable manual S 121 29.4483 103 -0.34 49
GU.SARM.EHZ. 2022-07-07T03:36:49.30 0.3 undecidable manual P 23 38.9277 100 0.09 76
GU.MAIM.HHZ. 2022-07-07T03:36:49.69 0.3 undecidable manual S 75 23.2545 106 0.03 79
GU.EQUI.HHZ. 2022-07-07T03:36:48.28 0.3 undecidable manual P 352 34.2435 101 0.01 78
IV.BDI.HHZ. 2022-07-07T03:36:48.86 0.3 undecidable manual P 54 38.0286 100 -0.17 75
MN.VLC.HHZ. 2022-07-07T03:36:48.80 0.1 undecidable manual P 23 36.0417 100 0.18 100
GU.CARD.HHZ. 2022-07-07T03:36:47.36 0.3 undecidable manual P 50 28.4493 103 0.22 75
GU.MAIM.HHZ. 2022-07-07T03:36:46.68 0.3 undecidable manual P 75 23.2545 106 0.56 70
IV.PII.HHZ. 2022-07-07T03:36:46.85 0.6 undecidable manual P 121 29.4483 103 -0.49 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHE. ML:0.4 0.000013659555 0.2208 AML other m 2022-07-07T03:36:50.22
GU.MAIM.HHN. ML:0.4 0.000014690521 0.12 AML other m 2022-07-07T03:36:50.14
GU.CARD.HHN. ML:0.9 0.000042238125 0.12 AML other m 2022-07-07T03:36:51.91
GU.CARD.HHE. ML:0.8 0.00003725 0.12 AML other m 2022-07-07T03:36:52.25
GU.EQUI.HHE. ML:0.6 0.000017459259999999998 1.16 AML other m 2022-07-07T03:36:52.06
GU.POPM.HHE. ML:0.9 0.000019900000000000003 1.18 AML other m 2022-07-07T03:36:58.31
GU.EQUI.HHN. ML:0.6 0.000015480500000000002 1.12 AML other m 2022-07-07T03:37:00.98
GU.POPM.HHN. ML:0.9 0.000021400000000000002 0.44 AML other m 2022-07-07T03:37:01.37
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