Earthquake with magnitude of ML 0.8 on date 01-06-2021 and time 02:31:42 (Italy) in region 2 km S Camaiore (LU)

A magnitude ML 0.8 earthquake occured in region: 2 km S Camaiore (LU), on

  • 01-06-2021 00:31:42 (UTC)
  • 01-06-2021 02:31:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9200, 10.3080 at 5 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Camaiore LU 2 32513 32513
Massarosa LU 6 22471 54984
Viareggio LU 7 62467 117451
Pietrasanta LU 8 24007 141458
Stazzema LU 9 3193 144651
Pescaglia LU 10 3526 148177
Seravezza LU 11 13073 161250
Forte dei Marmi LU 12 7510 168760
Montignoso MS 15 10323 179083
Fabbriche di Vergemoli LU 16 768 179851
Vecchiano PI 17 12189 192040
Lucca LU 18 89046 281086
Massa MS 19 69479 350565
Gallicano LU 19 3807 354372
Molazzana LU 19 1043 355415

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NE of Viareggio (62467 inhabitants)
18 Km W of Lucca (89046 inhabitants)
19 Km SE of Massa (69479 inhabitants)
24 Km NW of Pisa (89158 inhabitants)
24 Km SE of Carrara (63133 inhabitants)
41 Km N of Livorno (159219 inhabitants)
44 Km E of La Spezia (93959 inhabitants)
49 Km W of Pistoia (90315 inhabitants)
63 Km W of Prato (191150 inhabitants)
72 Km W of Scandicci (50609 inhabitants)
78 Km W of Firenze (382808 inhabitants)
90 Km SW of Reggio nell'Emilia (171345 inhabitants)
95 Km SW of Modena (184973 inhabitants)
98 Km S of Parma (192836 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
Reviewed
Rev100
ML 0.8 2021-06-01
00:31:42
43.9202 10.3083 5 2021-06-01
00:35:56
Sala Sismica INGV-Roma 90673131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-01 00:31:42 ± 0.23
Latitude 43.9202 ± 0.0072
Longitude 10.3083 ± 0.0112
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90673131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 990
Semi-minor axis of confidence ellipse (meter) 401
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.13220
Epicentral distance of station farthest from the epicenter (degree) 0.59625
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 90673131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-01 00:35:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2021-06-01T00:32:00.23 0.1 undecidable manual S 25 52.7028 50 -0.24 90
GU.GRAM.HHZ. 2021-06-01T00:31:55.75 0.6 undecidable manual P 343 66.1893 50 0.71 38
GU.POPM.HHZ. 2021-06-01T00:31:55.65 0.1 undecidable manual S 69 38.3283 98 -0.5 88
GU.GSCL.HHZ. 2021-06-01T00:31:53.40 1.0 positive manual P 25 52.7028 50 0.44 22
GU.EQUI.HHZ. 2021-06-01T00:31:52.76 0.1 undecidable manual S 336 29.9478 100 -0.51 89
IV.PII.HHZ. 2021-06-01T00:31:52.11 0.1 undecidable manual S 142 28.0497 101 -0.49 89
IV.BDI.HHZ. 2021-06-01T00:31:52.60 0.1 undecidable manual S 55 27.8499 101 0.05 98
GU.POPM.HHZ. 2021-06-01T00:31:50.99 1.0 undecidable manual P 69 38.3283 98 0.52 22
GU.CARD.HHZ. 2021-06-01T00:31:49.33 0.1 undecidable manual S 50 18.1707 107 0.04 100
GU.EQUI.HHZ. 2021-06-01T00:31:49.11 0.6 negative manual P 336 29.9478 100 0.31 46
GU.MAIM.HHZ. 2021-06-01T00:31:48.32 0.1 undecidable manual S 93 14.6742 110 0.19 98
IV.BDI.HHZ. 2021-06-01T00:31:48.63 1.0 undecidable manual P 55 27.8499 101 0.24 24
IV.PII.HHZ. 2021-06-01T00:31:48.61 1.0 undecidable manual P 142 28.0497 101 0.19 24
GU.CARD.HHZ. 2021-06-01T00:31:47.06 0.6 negative manual P 50 18.1707 107 0.56 44
GU.MAIM.HHZ. 2021-06-01T00:31:46.54 0.6 positive manual P 93 14.6742 110 0.7 42
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MAIM.HHN. ML:0.5 0.000034250000000000006 0.34 AML other m 2021-06-01T00:31:48.76
GU.MAIM.HHE. ML:0.5 0.0000327 1.08 AML other m 2021-06-01T00:31:49.85
GU.CARD.HHE. ML:1.6 0.000319 0.06 AML other m 2021-06-01T00:31:49.86
GU.CARD.HHN. ML:1.6 0.00035250000000000006 1.62 AML other m 2021-06-01T00:31:50.00
IV.PII.HHN. ML:0.8 0.000035000000000000004 0.58 AML other m 2021-06-01T00:31:52.85
GU.EQUI.HHE. ML:0.9 0.000040249999999999996 1.56 AML other m 2021-06-01T00:31:52.13
IV.PII.HHE. ML:1.0 0.000056800000000000005 0.36 AML other m 2021-06-01T00:31:52.81
IV.BDI.HHN. ML:0.7 0.0000259 1.4 AML other m 2021-06-01T00:31:53.72
GU.EQUI.HHN. ML:0.5 0.000015300000000000003 1 AML other m 2021-06-01T00:31:53.08
IV.BDI.HHE. ML:0.6 0.000019799999999999997 0.9 AML other m 2021-06-01T00:31:54.27
GU.GRAM.HHN. ML:1.0 0.000022100000000000002 0.16 AML other m 2021-06-01T00:32:06.31
GU.GRAM.HHE. ML:1.2 0.00002775 1.02 AML other m 2021-06-01T00:32:06.85
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