Earthquake (quarry blast) with magnitude of ML 1.0 on date 23-03-2022 and time 08:43:30 (UTC) in region 2 km S Borgo a Mozzano (LU)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 2 km S Borgo a Mozzano (LU), on

  • 23-03-2022 08:43:30 (UTC)
  • 23-03-2022 09:43:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9590, 10.5480 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Borgo a Mozzano LU 2 6994 6994
Bagni di Lucca LU 7 6161 13155
Villa Basilica LU 9 1633 14788
Pescaglia LU 11 3526 18314
Coreglia Antelminelli LU 12 5215 23529
Capannori LU 12 46252 69781
Pescia PT 13 19644 89425
Lucca LU 13 89046 178471
Barga LU 14 10034 188505
Porcari LU 14 8845 197350
Gallicano LU 14 3807 201157
Montecarlo LU 15 4428 205585
Uzzano PT 16 5770 211355
Molazzana LU 16 1043 212398
Massa e Cozzile PT 17 7983 220381
Fabbriche di Vergemoli LU 17 768 221149
Buggiano PT 17 8825 229974
Marliana PT 18 3210 233184
Altopascio LU 19 15481 248665
Fosciandora LU 19 602 249267
Chiesina Uzzanese PT 19 4552 253819
Piteglio PT 19 1683 255502
Massarosa LU 19 22471 277973
Camaiore LU 20 32513 310486
Montecatini-Terme PT 20 20409 330895

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of Lucca (89046 inhabitants)
26 Km E of Viareggio (62467 inhabitants)
29 Km NE of Pisa (89158 inhabitants)
30 Km W of Pistoia (90315 inhabitants)
34 Km E of Massa (69479 inhabitants)
38 Km E of Carrara (63133 inhabitants)
45 Km W of Prato (191150 inhabitants)
49 Km NE of Livorno (159219 inhabitants)
56 Km W of Scandicci (50609 inhabitants)
60 Km E of La Spezia (93959 inhabitants)
61 Km W of Firenze (382808 inhabitants)
82 Km SW of Modena (184973 inhabitants)
82 Km S of Reggio nell'Emilia (171345 inhabitants)
87 Km SW of Bologna (386663 inhabitants)
95 Km NW of Siena (53903 inhabitants)
95 Km S of Parma (192836 inhabitants)
96 Km S of Carpi (70699 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 1.0 2022-03-23
08:43:30
43.9593 10.5483 1 2022-07-08
12:33:54
Bollettino Sismico Italiano INGV 104394381
Reviewed
Rev100
ML 1.0 2022-03-23
08:43:30
43.9593 10.5483 1 2022-03-23
08:52:16
Sala Sismica INGV-Roma 102278961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-23 08:43:30 ± 0.15
Latitude 43.9593 ± 0.0090
Longitude 10.5483 ± 0.0137
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 104394381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1260
Semi-minor axis of confidence ellipse (meter) 790
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 1260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 5
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24821
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 104394381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-09 10:11:23

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 102278961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-23 08:52:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2022-03-23T08:45:21.31 3.0 negative manual Pg 26.379999 0
IV.MOCO.HHZ. 2022-03-23T08:45:14.90 3.0 undecidable manual Sn -0.24 0
IV.RCAV.EHZ. 2022-03-23T08:44:57.14 3.0 undecidable manual Sg 20.450001 0
MN.TRI.HHZ. 2022-03-23T08:44:47.14 3.0 undecidable manual Sn 0.94 0
IV.MF5.EHZ. 2022-03-23T08:44:03.99 3.0 positive manual Pn 3.52 0
IV.VARE.HHZ. 2022-03-23T08:44:01.41 3.0 positive manual Pg 0.66 0
IV.MONC.HHZ. 2022-03-23T08:43:58.26 3.0 positive manual Pg 0.19 0
IV.IMOL.HNZ. 2022-03-23T08:43:43.46 3.0 negative manual P -0.06 0
GU.SARM.EHE. 2022-03-23T08:43:36.02 0.3 undecidable manual P 335 27.5502 91 0.33 68
GU.POPM.HHZ. 2022-03-23T08:43:34.07 0.3 undecidable manual P 60 19.1697 91 0.06 73
IV.BDI.HHZ. 2022-03-23T08:43:32.48 0.1 undecidable manual P 18 12.0768 92 -0.11 97
GU.MAIM.HHZ. 2022-03-23T08:43:31.54 0.1 undecidable manual P 222 6.8931 94 0 100
GU.CARD.HHZ. 2022-03-23T08:43:31.79 0.3 undecidable manual P 325 9.0798 93 -0.21 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHN. ML:1.0 0.00016849999999999998 1.02 AML other m 2022-03-23T08:43:38.33
IV.BDI.HHE. ML:0.9 0.00012614999999999998 0.78 AML other m 2022-03-23T08:43:38.36
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