A magnitude ML 1.1 (quarry blast) earthquake occured in region: 2 km S Borgo a Mozzano (LU), on
and geographic coordinates (lat, lon) 43.9630, 10.5470 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
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 | 13 | 46252 | 69781 |
Pescia | PT | 13 | 19644 | 89425 |
Barga | LU | 13 | 10034 | 99459 |
Lucca | LU | 14 | 89046 | 188505 |
Gallicano | LU | 14 | 3807 | 192312 |
Porcari | LU | 15 | 8845 | 201157 |
Uzzano | PT | 16 | 5770 | 206927 |
Montecarlo | LU | 16 | 4428 | 211355 |
Molazzana | LU | 16 | 1043 | 212398 |
Fabbriche di Vergemoli | LU | 17 | 768 | 213166 |
Massa e Cozzile | PT | 17 | 7983 | 221149 |
Buggiano | PT | 17 | 8825 | 229974 |
Marliana | PT | 18 | 3210 | 233184 |
Fosciandora | LU | 19 | 602 | 233786 |
Piteglio | PT | 19 | 1683 | 235469 |
Altopascio | LU | 19 | 15481 | 250950 |
Massarosa | LU | 19 | 22471 | 273421 |
Chiesina Uzzanese | PT | 20 | 4552 | 277973 |
Camaiore | LU | 20 | 32513 | 310486 |
Castelnuovo di Garfagnana | LU | 20 | 5950 | 316436 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-08-02 07:44:10 |
43.9632 | 10.5473 | 1 | 2021-12-29 11:12:51 |
Bollettino Sismico Italiano INGV | 97383201 |
Reviewed Rev100 |
ML 1.3 | 2021-08-02 07:44:10 |
43.9633 | 10.5122 | 10 | 2021-08-02 07:52:39 |
Sala Sismica INGV-Roma | 93551131 |
Field | Value |
---|---|
Time (UTC) | 2021-08-02 07:44:10 ± 0.11 |
Latitude | 43.9632 ± 0.0063 |
Longitude | 10.5473 ± 0.0100 |
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 | 97383201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 930 |
Semi-minor axis of confidence ellipse (meter) | 560 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 306 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 930.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 158 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 4 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.17177 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.0 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 97383201 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-10 16:24:42 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 93551131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-02 07:52:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LAV9.HHZ. | 2021-08-02T07:45:49.18 | 3.0 | undecidable | manual | Sg | 5.63 | 0 | |||
IV.PP3.EHZ. | 2021-08-02T07:45:42.05 | 3.0 | undecidable | manual | Sg | 9.07 | 0 | |||
IX.RSF3.HHZ.02 | 2021-08-02T07:45:35.76 | 3.0 | negative | manual | Pg | 15.66 | 0 | |||
OX.MPRI.HHZ. | 2021-08-02T07:45:28.64 | 3.0 | undecidable | manual | Sn | 2.87 | 0 | |||
IV.PZUN.HHZ. | 2021-08-02T07:45:23.03 | 3.0 | negative | manual | Pn | -4.94 | 0 | |||
IV.MTMR.EHZ. | 2021-08-02T07:45:21.20 | 3.0 | undecidable | manual | Pn | 2.05 | 0 | |||
IV.SENI.HNZ. | 2021-08-02T07:45:18.25 | 3.0 | undecidable | manual | Sn | -5.74 | 0 | |||
CR.ZAG.BHZ. | 2021-08-02T07:45:17.68 | 3.0 | undecidable | manual | Pn | 7.59 | 0 | |||
IV.DGI.HHZ. | 2021-08-02T07:45:03.49 | 3.0 | negative | manual | Pg | 4.46 | 0 | |||
IV.VVLD.HHZ. | 2021-08-02T07:45:00.77 | 3.0 | positive | manual | Pn | 0.97 | 0 | |||
IV.SFI.EHZ. | 2021-08-02T07:44:53.86 | 3.0 | undecidable | manual | Sn | -5.3 | 0 | |||
IV.MML1.EHZ. | 2021-08-02T07:44:49.07 | 3.0 | undecidable | manual | Pg | 4.47 | 0 | |||
IV.MURB.HHZ. | 2021-08-02T07:44:38.80 | 3.0 | undecidable | manual | Pn | -0.88 | 0 | |||
IV.ZCCA.HHZ. | 2021-08-02T07:44:16.41 | 3.0 | undecidable | manual | P | -3.53 | 0 | |||
GU.POPM.HHZ. | 2021-08-02T07:44:14.59 | 0.3 | undecidable | manual | P | 61 | 19.0698 | 92 | -0.11 | 72 |
IV.BDI.HHZ. | 2021-08-02T07:44:13.36 | 0.1 | undecidable | manual | P | 19 | 11.6772 | 92 | 0.13 | 97 |
GU.MAIM.HHZ. | 2021-08-02T07:44:12.34 | 0.1 | undecidable | manual | P | 219 | 7.0929 | 94 | 0.03 | 100 |
GU.CARD.HHZ. | 2021-08-02T07:44:12.56 | 0.1 | undecidable | manual | P | 323 | 8.6802 | 93 | -0.08 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHE. | ML:0.8 | 0.00010900666000000001 | 0.2368 | AML | other | m | 2021-08-02T07:44:14.71 |
GU.MAIM.HHN. | ML:1.1 | 0.00020396150000000002 | 1.52 | AML | other | m | 2021-08-02T07:44:15.93 |
GU.CARD.HHE. | ML:1.3 | 0.000254 | 1.5 | AML | other | m | 2021-08-02T07:44:17.88 |
GU.POPM.HHN. | ML:1.1 | 0.00011589863 | 0.1792 | AML | other | m | 2021-08-02T07:44:18.17 |
GU.POPM.HHE. | ML:1.2 | 0.0001235 | 0.36 | AML | other | m | 2021-08-02T07:44:18.59 |
IV.BDI.HNE. | ML:1.1 | 0.0002201129 | 1.088 | AML | other | m | 2021-08-02T07:44:19.17 |
IV.BDI.HHN. | ML:1.2 | 0.0002305 | 1.2 | AML | other | m | 2021-08-02T07:44:19.17 |
IV.BDI.HHE. | ML:1.1 | 0.000208 | 1.08 | AML | other | m | 2021-08-02T07:44:19.18 |
GU.CARD.HHN. | ML:1.2 | 0.0002119103 | 0.544 | AML | other | m | 2021-08-02T07:44:19.18 |
IV.BDI.HNN. | ML:1.1 | 0.00021700934999999998 | 0.6144 | AML | other | m | 2021-08-02T07:44:19.20 |