Earthquake (quarry blast) with magnitude of ML 1.1 on date 12-04-2022 and time 10:26:07 (Italy) in region 2 km SE Borgo a Mozzano (LU)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 2 km SE Borgo a Mozzano (LU), on

  • 12-04-2022 08:26:07 (UTC)
  • 12-04-2022 10:26:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9620, 10.5560 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 6 6161 13155
Villa Basilica LU 8 1633 14788
Pescaglia LU 12 3526 18314
Coreglia Antelminelli LU 12 5215 23529
Pescia PT 13 19644 43173
Capannori LU 13 46252 89425
Barga LU 14 10034 99459
Lucca LU 14 89046 188505
Porcari LU 14 8845 197350
Gallicano LU 15 3807 201157
Uzzano PT 15 5770 206927
Montecarlo LU 15 4428 211355
Massa e Cozzile PT 16 7983 219338
Molazzana LU 17 1043 220381
Buggiano PT 17 8825 229206
Fabbriche di Vergemoli LU 17 768 229974
Marliana PT 18 3210 233184
Piteglio PT 19 1683 234867
Chiesina Uzzanese PT 19 4552 239419
Altopascio LU 19 15481 254900
Fosciandora LU 19 602 255502
Montecatini-Terme PT 19 20409 275911
Massarosa LU 20 22471 298382

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NE of Lucca (89046 inhabitants)
27 Km E of Viareggio (62467 inhabitants)
29 Km W of Pistoia (90315 inhabitants)
30 Km NE of Pisa (89158 inhabitants)
34 Km E of Massa (69479 inhabitants)
39 Km E of Carrara (63133 inhabitants)
44 Km W of Prato (191150 inhabitants)
50 Km NE of Livorno (159219 inhabitants)
55 Km W of Scandicci (50609 inhabitants)
60 Km W of Firenze (382808 inhabitants)
60 Km E of La Spezia (93959 inhabitants)
82 Km SW of Modena (184973 inhabitants)
82 Km S of Reggio nell'Emilia (171345 inhabitants)
86 Km SW of Bologna (386663 inhabitants)
95 Km S of Carpi (70699 inhabitants)
95 Km NW of Siena (53903 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 2022-04-12
08:26:07
43.9623 10.5562 1 2022-07-08
12:33:57
Bollettino Sismico Italiano INGV 104782221
Reviewed
Rev100
ML 1.1 2022-04-12
08:26:06
43.9623 10.5393 7 2022-04-12
08:42:46
Sala Sismica INGV-Roma 103109071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-12 08:26:07 ± 0.02
Latitude 43.9623 ± 0.0009
Longitude 10.5562 ± 0.0012
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 104782221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 900
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 4
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.03
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16637
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 104782221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-17 22:11:24

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 103109071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-12 08:42:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVGP.HHZ. 2022-04-12T08:27:44.08 3.0 undecidable manual Pn 8.74 0
IV.MRVN.HHZ. 2022-04-12T08:27:36.23 3.0 negative manual Pg 17.200001 0
MN.TRI.HHZ. 2022-04-12T08:27:35.81 3.0 undecidable manual Sn 7.07 0
IV.MTMR.EHZ. 2022-04-12T08:27:25.99 3.0 negative manual Pg 15.95 0
OT.OT16.EHZ. 2022-04-12T08:27:20.43 3.0 undecidable manual Pg 15.97 0
IV.ATMI.HHZ. 2022-04-12T08:27:05.03 3.0 undecidable manual Sg 11.02 0
MN.TRI.HHZ. 2022-04-12T08:27:03.93 3.0 positive manual Pg 15.29 0
CH.MUGIO.HHZ. 2022-04-12T08:26:57.86 3.0 undecidable manual Sg 4.51 0
IV.BRES.EHZ. 2022-04-12T08:26:53.02 3.0 positive manual Pg 8.7 0
IV.ZOVE.EHZ. 2022-04-12T08:26:47.60 3.0 undecidable manual Sn -6.23 0
IV.IMOL.HNZ. 2022-04-12T08:26:42.92 3.0 undecidable manual Sn -0.59 0
IV.FOSV.EHZ. 2022-04-12T08:26:39.90 3.0 undecidable manual Pg 5.89 0
GU.RORO.HHZ. 2022-04-12T08:26:29.57 3.0 undecidable manual S -1.36 0
IV.OSSC.HHZ. 2022-04-12T08:26:23.23 3.0 undecidable manual Pg 4.62 0
FR.SAOF.HHZ.00 2022-04-12T08:26:21.59 3.0 negative manual Pn 0.51 0
IV.SARZ.HNZ. 2022-04-12T08:26:13.98 3.0 negative manual P -1.38 0
GU.POPM.HHZ. 2022-04-12T08:26:10.92 0.3 undecidable manual P 60 18.4704 92 0.01 73
IV.BDI.HHZ. 2022-04-12T08:26:09.51 0.1 undecidable manual P 16 11.5773 92 -0.02 99
GU.CARD.HHE. 2022-04-12T08:26:09.07 0.3 undecidable manual P 320 9.1797 93 0.02 75
GU.MAIM.HHZ. 2022-04-12T08:26:08.71 0.1 undecidable manual P 223 7.4814 94 0 100
GU.GORR.HHZ. 2022-04-12T08:26:06.87 3.0 undecidable manual P -3.77 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHE. ML:0.8 0.0000673 0.58 AML other m 2022-04-12T08:26:14.38
IV.BDI.HHE. ML:1.1 0.00019764999999999998 1.184 AML other m 2022-04-12T08:26:15.38
IV.BDI.HNE. ML:1.3 0.00031 1.16 AML other m 2022-04-12T08:26:15.40
GU.POPM.HHN. ML:0.7 0.00005215 1.22 AML other m 2022-04-12T08:26:16.63
IV.BDI.HHN. ML:1.1 0.000202 0.82 AML other m 2022-04-12T08:26:16.54
IV.BDI.HNN. ML:1.2 0.00026749999999999994 1.04 AML other m 2022-04-12T08:26:16.47
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