Earthquake with magnitude of ML 1.1 on date 04-05-2020 and time 14:33:27 (UTC) in region 1 km NE Camaiore (LU)

A magnitude ML 1.1 earthquake occured in region: 1 km NE Camaiore (LU), on

  • 04-05-2020 14:33:27 (UTC)
  • 04-05-2020 16:33:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9490, 10.3100 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
Camaiore LU 1 32513 32513
Stazzema LU 6 3193 35706
Pietrasanta LU 7 24007 59713
Seravezza LU 8 13073 72786
Pescaglia LU 9 3526 76312
Massarosa LU 9 22471 98783
Viareggio LU 10 62467 161250
Forte dei Marmi LU 11 7510 168760
Fabbriche di Vergemoli LU 13 768 169528
Montignoso MS 13 10323 179851
Gallicano LU 16 3807 183658
Molazzana LU 16 1043 184701
Massa MS 17 69479 254180
Vagli Sotto LU 19 939 255119
Borgo a Mozzano LU 19 6994 262113
Careggine LU 19 564 262677
Lucca LU 19 89046 351723
Vecchiano PI 20 12189 363912
Castelnuovo di Garfagnana LU 20 5950 369862
Barga LU 20 10034 379896

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NE of Viareggio (62467 inhabitants)
17 Km SE of Massa (69479 inhabitants)
19 Km NW of Lucca (89046 inhabitants)
22 Km SE of Carrara (63133 inhabitants)
27 Km N of Pisa (89158 inhabitants)
42 Km E of La Spezia (93959 inhabitants)
44 Km N of Livorno (159219 inhabitants)
49 Km W of Pistoia (90315 inhabitants)
64 Km W of Prato (191150 inhabitants)
73 Km W of Scandicci (50609 inhabitants)
79 Km W of Firenze (382808 inhabitants)
87 Km SW of Reggio nell'Emilia (171345 inhabitants)
92 Km SW of Modena (184973 inhabitants)
95 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
Bulletin
Rev1000
ML 1.1 2020-05-04
14:33:27
43.9493 10.3097 11 2020-11-19
12:36:55
Bollettino Sismico Italiano INGV 81654521
Reviewed
Rev100
ML 1.1 2020-05-04
14:33:27
43.9407 10.2802 10 2020-05-04
14:41:30
Sala Sismica INGV-Roma 78839551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-04 14:33:27 ± 0.12
Latitude 43.9493 ± 0.0072
Longitude 10.3097 ± 0.0087
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81654521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 875
Semi-minor axis of confidence ellipse (meter) 319
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50632
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 81654521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-04 19:17:19

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 78839551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-04 14:41:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2020-05-04T14:35:11.53 3.0 undecidable manual Sg 13.2 0
IX.STN3.HNZ.01 2020-05-04T14:34:48.93 3.0 undecidable manual Pn 2.13 0
IV.RMP.HHZ. 2020-05-04T14:34:45.19 3.0 undecidable manual Sn -2.62 0
IV.RM33.HNZ. 2020-05-04T14:34:41.09 3.0 undecidable manual Sn -1.68 0
IV.ROSPO.HHZ. 2020-05-04T14:34:38.01 3.0 undecidable manual Pg 11.03 0
IV.EL6.EHZ. 2020-05-04T14:34:37.02 3.0 undecidable manual Sg 5.13 0
IV.LPEL.HHZ. 2020-05-04T14:34:22.54 3.0 undecidable manual Pn 0.7 0
TV.SF04.EHZ. 2020-05-04T14:34:17.40 3.0 undecidable manual S 0.9 0
IV.RM33.HNZ. 2020-05-04T14:34:11.04 3.0 undecidable manual Pn 0.93 0
IV.VARE.HHZ. 2020-05-04T14:34:07.25 3.0 positive manual Pg 0.98 0
IV.CADC.HNZ. 2020-05-04T14:33:55.45 3.0 positive manual P -1.08 0
IV.QLNO.HHZ. 2020-05-04T14:33:54.14 3.0 undecidable manual P -2.01 0
IV.RIBO.EHZ.01 2020-05-04T14:33:45.93 3.0 positive manual P -4.65 0
GU.POPM.HHZ. 2020-05-04T14:33:40.29 0.6 undecidable manual S 73 37.2294 50 0.34 45
GU.FIVI.HNZ. 2020-05-04T14:33:39.20 0.6 undecidable manual S 336 35.3424 50 -0.23 46
IV.CRMI.HHZ. 2020-05-04T14:33:38.22 0.3 undecidable manual P 107 56.1993 50 0.64 60
GU.SARM.EHN. 2020-05-04T14:33:37.29 0.6 undecidable manual S 16 27.0507 50 0.06 49
IV.PII.HHZ. 2020-05-04T14:33:37.40 0.6 undecidable manual S 146 30.5472 50 -0.77 40
IV.BDI.HHZ. 2020-05-04T14:33:36.63 0.6 undecidable manual S 61 26.0517 50 -0.34 46
MN.VLC.HHZ. 2020-05-04T14:33:36.28 0.6 undecidable manual S 15 24.0537 50 -0.16 48
GU.EQUI.HHZ. 2020-05-04T14:33:36.24 0.6 undecidable manual S 333 27.0507 50 -1 36
GU.POPM.HHZ. 2020-05-04T14:33:35.02 0.3 undecidable manual P 73 37.2294 50 0.36 68
GU.FIVI.HNZ. 2020-05-04T14:33:34.76 0.3 undecidable manual P 336 35.3424 50 0.4 67
GU.MASSA.EHE. 2020-05-04T14:33:34.27 0.3 undecidable manual S 295 17.0718 122 -0.12 74
IV.PII.HHZ. 2020-05-04T14:33:33.49 0.1 undecidable manual P 146 30.5472 50 -0.14 96
GU.CARD.HHZ. 2020-05-04T14:33:33.68 0.6 undecidable manual S 58 16.1727 123 -0.44 46
IV.BDI.HHZ. 2020-05-04T14:33:33.10 0.3 undecidable manual P 61 26.0517 50 0.17 72
GU.SARM.EHN. 2020-05-04T14:33:33.23 0.1 undecidable manual P 16 27.0507 50 0.15 96
GU.MAIM.HHN. 2020-05-04T14:33:33.27 0.6 undecidable manual S 105 15.0738 125 -0.52 45
GU.EQUI.HHZ. 2020-05-04T14:33:32.88 0.1 undecidable manual P 333 27.0507 50 -0.21 95
MN.VLC.HHZ. 2020-05-04T14:33:32.76 0.1 undecidable manual P 15 24.0537 50 0.13 97
GU.MAIM.HHN. 2020-05-04T14:33:31.18 0.1 undecidable manual P 105 15.0738 125 0.08 99
GU.MASSA.EHE. 2020-05-04T14:33:31.82 0.3 undecidable manual P 295 17.0718 122 0.38 70
GU.CARD.HHZ. 2020-05-04T14:33:31.33 0.1 undecidable manual P 58 16.1727 123 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CARD.HHE. ML:1.6 0.0003085 0.98 AML other m 2020-05-04T14:33:34.07
GU.CARD.HHN. ML:1.4 0.000244 1.4 AML other m 2020-05-04T14:33:34.25
MN.VLC.HHE. ML:0.7 0.00002815 0.68 AML other m 2020-05-04T14:33:35.33
MN.VLC.HHN. ML:0.8 0.00003405 0.26 AML other m 2020-05-04T14:33:36.64
IV.BDI.HHN. ML:1.0 0.00005595 0.16 AML other m 2020-05-04T14:33:37.32
IV.PII.HHN. ML:1.1 0.00005855 1.26 AML other m 2020-05-04T14:33:37.15
IV.PII.HHE. ML:1.2 0.00007685 1.28 AML other m 2020-05-04T14:33:38.96
IV.BDI.HHE. ML:0.9 0.00004415 0.6 AML other m 2020-05-04T14:33:38.30
GU.POPM.HHE. ML:1.2 0.00006359999999999999 1.8 AML other m 2020-05-04T14:33:40.01
GU.POPM.HHN. ML:1.1 0.0000487 0.14 AML other m 2020-05-04T14:33:41.35
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