A magnitude ML 1.0 (quarry blast) earthquake occured in region: 2 km S Borgo a Mozzano (LU), on
and geographic coordinates (lat, lon) 43.9640, 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 | 6 | 6161 | 13155 |
Villa Basilica | LU | 9 | 1633 | 14788 |
Pescaglia | LU | 11 | 3526 | 18314 |
Coreglia Antelminelli | LU | 11 | 5215 | 23529 |
Capannori | LU | 13 | 46252 | 69781 |
Barga | LU | 13 | 10034 | 79815 |
Pescia | PT | 13 | 19644 | 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 | 16 | 768 | 213166 |
Massa e Cozzile | PT | 17 | 7983 | 221149 |
Buggiano | PT | 17 | 8825 | 229974 |
Marliana | PT | 18 | 3210 | 233184 |
Fosciandora | LU | 18 | 602 | 233786 |
Piteglio | PT | 19 | 1683 | 235469 |
Massarosa | LU | 19 | 22471 | 257940 |
Camaiore | LU | 20 | 32513 | 290453 |
Altopascio | LU | 20 | 15481 | 305934 |
Castelnuovo di Garfagnana | LU | 20 | 5950 | 311884 |
Chiesina Uzzanese | PT | 20 | 4552 | 316436 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-12-01 08:06:04 |
43.9642 | 10.5468 | 1 | 2022-03-30 13:04:34 |
Bollettino Sismico Italiano INGV | 100560091 |
Reviewed Rev100 |
ML 1.1 | 2021-12-01 08:06:03 |
43.9617 | 10.5483 | 9 | 2021-12-01 08:15:26 |
Sala Sismica INGV-Roma | 98004871 |
Field | Value |
---|---|
Time (UTC) | 2021-12-01 08:06:04 ± 0.09 |
Latitude | 43.9642 ± 0.0054 |
Longitude | 10.5468 ± 0.0087 |
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 | 100560091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 830 |
Semi-minor axis of confidence ellipse (meter) | 480 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 310 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 156 |
Number of associated phases, regardless of their use for origin computation | 4 |
Number of defining phases | 4 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.06475 |
Epicentral distance of station farthest from the epicenter (degree) | 0.17087 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 100560091 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-11 14:13:24 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 98004871 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-01 08:15:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.POPM.HHZ. | 2021-12-01T08:06:08.12 | 0.1 | undecidable | manual | P | 62 | 18.9699 | 92 | -0.07 | 97 |
IV.BDI.HHZ. | 2021-12-01T08:06:06.82 | 0.1 | undecidable | manual | P | 20 | 11.5773 | 92 | 0.11 | 98 |
GU.CARD.HHZ. | 2021-12-01T08:06:06.02 | 0.3 | undecidable | manual | P | 323 | 8.5803 | 93 | -0.09 | 74 |
GU.MAIM.HHZ. | 2021-12-01T08:06:05.85 | 0.1 | undecidable | manual | P | 218 | 7.1928 | 94 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BDI.HHE. | ML:1.0 | 0.000164 | 0.38 | AML | other | m | 2021-12-01T08:06:10.83 |
GU.POPM.HHN. | ML:1.0 | 0.0000925 | 0.48 | AML | other | m | 2021-12-01T08:06:11.80 |
IV.BDI.HHN. | ML:1.1 | 0.000195 | 1.02 | AML | other | m | 2021-12-01T08:06:11.79 |
GU.POPM.HHE. | ML:1.0 | 0.00008219999999999999 | 1.24 | AML | other | m | 2021-12-01T08:06:12.75 |