Earthquake with magnitude of ML 1.3 on date 30-05-2020 and time 22:32:00 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 1.3 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 30-05-2020 20:32:00 (UTC)
  • 30-05-2020 22:32:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8980, 10.1810 at 10 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 7 62467 62467
Forte dei Marmi LU 7 7510 69977
Pietrasanta LU 8 24007 93984
Camaiore LU 11 32513 126497
Seravezza LU 12 13073 139570
Massarosa LU 13 22471 162041
Montignoso MS 14 10323 172364
Stazzema LU 15 3193 175557
Massa MS 16 69479 245036

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NW of Viareggio (62467 inhabitants)
16 Km S of Massa (69479 inhabitants)
21 Km SE of Carrara (63133 inhabitants)
26 Km W of Lucca (89046 inhabitants)
27 Km NW of Pisa (89158 inhabitants)
37 Km SE of La Spezia (93959 inhabitants)
40 Km N of Livorno (159219 inhabitants)
59 Km W of Pistoia (90315 inhabitants)
74 Km W of Prato (191150 inhabitants)
82 Km W of Scandicci (50609 inhabitants)
88 Km W of Firenze (382808 inhabitants)
96 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 1.3 2020-05-30
20:32:00
43.8978 10.1807 10 2020-11-19
12:37:01
Bollettino Sismico Italiano INGV 82885021
Reviewed
Rev100
ML 1.3 2020-05-30
20:32:00
43.9013 10.1747 5 2020-05-30
20:38:43
Sala Sismica INGV-Roma 79729171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-30 20:32:00 ± 0.24
Latitude 43.8978 ± 0.0108
Longitude 10.1807 ± 0.0150
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82885021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1536
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 1540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 213
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72845
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 82885021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-13 23:36:43

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 79729171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-30 20:38:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2020-05-30T20:33:46.08 3.0 undecidable manual Sg 7.1 0
IV.MNTT.EHZ. 2020-05-30T20:33:28.26 3.0 undecidable manual Sg 3.18 0
IV.CMPR.HHZ. 2020-05-30T20:33:18.34 3.0 undecidable manual Pn 0.32 0
IV.RIBO.EHZ.01 2020-05-30T20:32:37.99 3.0 undecidable manual S -7.89 0
ST.GAGG.HHZ. 2020-05-30T20:32:33.33 3.0 negative manual Pn 3.55 0
IV.MPPT.EHZ. 2020-05-30T20:32:23.50 0.6 undecidable manual S 84 72.9714 50 0.66 40
GU.GRAM.HHZ. 2020-05-30T20:32:21.47 0.6 undecidable manual S 352 66.4779 50 0.37 44
GU.GSCL.HHN. 2020-05-30T20:32:19.83 0.6 undecidable manual S 33 59.7957 50 0.51 43
GU.POPM.HHZ. 2020-05-30T20:32:16.49 0.6 undecidable manual S 70 48.8178 50 0.1 48
IV.FNVD.HHE. 2020-05-30T20:32:15.82 0.6 undecidable manual P 68 80.8635 50 1.15 31
GU.GRAM.HHZ. 2020-05-30T20:32:13.05 0.6 undecidable manual P 352 66.4779 50 0.6 41
IV.MPPT.EHZ. 2020-05-30T20:32:13.97 0.3 undecidable manual P 84 72.9714 50 0.52 63
IV.BDI.HNZ. 2020-05-30T20:32:13.63 0.6 undecidable manual S 61 37.8288 50 0.17 48
GU.SARM.EHN. 2020-05-30T20:32:12.78 0.6 undecidable manual S 29 36.2415 50 -0.26 48
MN.VLC.HHZ. 2020-05-30T20:32:11.95 0.6 undecidable manual S 29 33.3444 50 -0.3 48
IV.PII.HHZ. 2020-05-30T20:32:11.71 0.6 undecidable manual S 125 33.744 50 -0.66 43
GU.GSCL.HHN. 2020-05-30T20:32:11.96 0.1 undecidable manual P 33 59.7957 50 0.55 85
GU.EQUI.HHE. 2020-05-30T20:32:10.18 0.6 undecidable manual S 356 29.8479 50 -1.14 35
GU.CARD.HHZ. 2020-05-30T20:32:10.43 0.6 undecidable manual S 59 27.9498 50 -0.39 47
GU.POPM.HHZ. 2020-05-30T20:32:09.91 0.1 undecidable manual P 70 48.8178 50 0.18 95
GU.MAIM.HHZ. 2020-05-30T20:32:09.45 0.6 undecidable manual S 86 24.9528 112 -0.47 47
IV.BDI.HNZ. 2020-05-30T20:32:08.00 0.3 undecidable manual P 61 37.8288 50 -0.04 75
GU.SARM.EHN. 2020-05-30T20:32:07.69 0.1 undecidable manual P 29 36.2415 50 -0.1 99
MN.VLC.HHZ. 2020-05-30T20:32:07.26 0.1 positive manual P 29 33.3444 50 -0.08 100
IV.PII.HHZ. 2020-05-30T20:32:07.29 0.3 undecidable manual P 125 33.744 50 -0.12 74
GU.EQUI.HHE. 2020-05-30T20:32:06.12 0.1 undecidable manual P 356 29.8479 50 -0.68 85
GU.MASSA.EHE. 2020-05-30T20:32:06.52 0.6 undecidable manual S 338 13.875 125 -0.01 52
GU.CARD.HHZ. 2020-05-30T20:32:06.33 0.1 positive manual P 59 27.9498 50 -0.18 98
GU.MAIM.HHZ. 2020-05-30T20:32:05.84 0.1 undecidable manual P 86 24.9528 112 -0.15 100
GU.MASSA.EHE. 2020-05-30T20:32:04.26 0.1 undecidable manual P 338 13.875 125 0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CARD.HHE. ML:1.8 0.00032900000000000003 0.16 AML other m 2020-05-30T20:32:11.11
GU.CARD.HHN. ML:1.7 0.0002565 1.46 AML other m 2020-05-30T20:32:11.20
IV.PII.HHE. ML:1.3 0.00008094999999999999 0.24 AML other m 2020-05-30T20:32:12.21
MN.VLC.HHN. ML:1.1 0.000048549999999999994 0.64 AML other m 2020-05-30T20:32:12.37
MN.VLC.HHE. ML:1.2 0.00006035 0.22 AML other m 2020-05-30T20:32:12.49
IV.PII.HHN. ML:1.3 0.00008060000000000001 0.26 AML other m 2020-05-30T20:32:12.74
GU.POPM.HHE. ML:1.5 0.00007915 0.14 AML other m 2020-05-30T20:32:18.19
GU.POPM.HHN. ML:1.5 0.00008604999999999999 0.24 AML other m 2020-05-30T20:32:21.93
GU.GRAM.HHN. ML:1.4 0.00004165 0.48 AML other m 2020-05-30T20:32:22.28
IV.MPPT.EHN. ML:1.0 0.00001655 0.44 AML other m 2020-05-30T20:32:24.62
GU.GRAM.HHE. ML:1.6 0.00006895 1.3 AML other m 2020-05-30T20:32:24.75
IV.MPPT.EHE. ML:1.0 0.00001425 0.18 AML other m 2020-05-30T20:32:26.70
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