Earthquake with magnitude of ML 0.9 on date 07-07-2022 and time 05:01:53 (UTC) 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 05:01:53 (UTC)
  • 07-07-2022 07:01:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8660, 10.2030 at 5 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 4 62467 62467
Pietrasanta LU 11 24007 86474
Forte dei Marmi LU 11 7510 93984
Massarosa LU 11 22471 116455
Camaiore LU 12 32513 148968
Seravezza LU 15 13073 162041
Stazzema LU 17 3193 165234
Montignoso MS 17 10323 175557
Vecchiano PI 18 12189 187746
Massa MS 20 69479 257225

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 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)
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)
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 0.9 2022-07-07
05:01:53
43.8662 10.203 5 2023-01-31
19:03:58
Bollettino Sismico Italiano INGV 113256671
Reviewed
Rev100
ML 1.0 2022-07-07
05:01:53
43.8593 10.2183 10 2022-07-07
05:06:40
Sala Sismica INGV-Roma 106892291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-07 05:01:53 ± 0.18
Latitude 43.8662 ± 0.0072
Longitude 10.2030 ± 0.0087
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113256671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 844
Semi-minor axis of confidence ellipse (meter) 246
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.21314
Epicentral distance of station farthest from the epicenter (degree) 0.43707
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:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 113256671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-02 15:18:17

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 106892291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-07 05:06:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHZ. 2022-07-07T05:02:06.76 0.6 undecidable manual S 55 38.2284 97 -0.15 50
MN.VLC.HHZ. 2022-07-07T05:02:05.69 0.3 undecidable manual S 24 35.6421 98 -0.35 72
IV.PLMA.HHZ. 2022-07-07T05:02:05.05 0.6 undecidable manual S 306 34.5432 98 -0.61 45
GU.EQUI.HHZ. 2022-07-07T05:02:05.16 0.3 undecidable manual S 353 33.5442 98 -0.14 76
GU.POPM.HHZ. 2022-07-07T05:02:03.13 0.3 undecidable manual P 66 48.5181 50 -0.12 74
GU.CARD.HHZ. 2022-07-07T05:02:03.80 0.3 undecidable manual S 51 28.4493 100 0.22 75
IV.PII.HHN. 2022-07-07T05:02:03.63 0.6 undecidable manual S 122 30.3474 99 -0.58 46
IV.BDI.HHZ. 2022-07-07T05:02:01.12 0.3 undecidable manual P 55 38.2284 97 -0.15 75
GU.MAIM.HHZ. 2022-07-07T05:02:01.82 0.3 undecidable manual S 77 23.6541 101 -0.11 78
IV.PLMA.HHZ. 2022-07-07T05:02:01.06 0.6 undecidable manual P 306 34.5432 98 0.52 46
GU.EQUI.HHZ. 2022-07-07T05:02:00.51 0.3 undecidable manual P 353 33.5442 98 0.17 75
MN.VLC.HHZ. 2022-07-07T05:02:00.99 0.3 undecidable manual P 24 35.6421 98 0.22 74
IV.PII.HHN. 2022-07-07T05:01:59.71 0.6 undecidable manual P 122 30.3474 99 0 52
GU.CARD.HHZ. 2022-07-07T05:01:59.58 0.1 positive manual P 51 28.4493 100 0.24 100
GU.MAIM.HHZ. 2022-07-07T05:01:58.82 0.3 undecidable manual P 77 23.6541 101 0.43 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HNN. ML:1.5 0.00011862295 0.72 AML other m 2022-07-07T05:02:01.82
GU.MAIM.HHE. ML:0.7 0.000033435265 0.24 AML other m 2022-07-07T05:02:02.42
GU.MAIM.HHN. ML:0.8 0.00003851359 0.1408 AML other m 2022-07-07T05:02:02.34
GU.EQUI.HHE. ML:0.6 0.000019764034999999998 0.4992 AML other m 2022-07-07T05:02:02.17
IV.BDI.HNE. ML:1.5 0.0001191831 0.7904 AML other m 2022-07-07T05:02:03.47
GU.CARD.HHN. ML:1.3 0.00011700259 0.1024 AML other m 2022-07-07T05:02:04.10
GU.CARD.HHE. ML:1.2 0.000086019905 0.1024 AML other m 2022-07-07T05:02:04.45
IV.PLMA.HHN. ML:0.8 0.000029987654999999998 0.1024 AML other m 2022-07-07T05:02:06.12
MN.VLC.HHE. ML:0.7 0.000018944410000000002 0.3392 AML other m 2022-07-07T05:02:06.24
MN.VLC.HHN. ML:0.6 0.000017173095 0.1216 AML other m 2022-07-07T05:02:06.48
IV.PLMA.HHE. ML:0.8 0.00002912385 0.1792 AML other m 2022-07-07T05:02:06.57
IV.BDI.HHE. ML:0.7 0.000022064004999999998 0.1792 AML other m 2022-07-07T05:02:06.89
GU.EQUI.HHN. ML:0.6 0.000019037625000000004 0.4 AML other m 2022-07-07T05:02:08.21
GU.POPM.HHE. ML:1.3 0.00005074836000000001 0.2208 AML other m 2022-07-07T05:02:10.50
IV.BDI.HHN. ML:0.7 0.000019861529999999998 1.8784 AML other m 2022-07-07T05:02:10.98
MN.VLC.HNE. ML:1.2 0.00006683443 0.8 AML other m 2022-07-07T05:02:11.28
MN.VLC.HNN. ML:1.1 0.000050992615 0.9408 AML other m 2022-07-07T05:02:13.57
GU.POPM.HHN. ML:1.2 0.000043845524999999994 0.1792 AML other m 2022-07-07T05:02:13.57
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