A magnitude ML 0.9 (quarry blast) earthquake occured in region: 4 km SW Borgo a Mozzano (LU), on
and geographic coordinates (lat, lon) 43.9540, 10.5080 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 | 4 | 6994 | 6994 |
Pescaglia | LU | 8 | 3526 | 10520 |
Bagni di Lucca | LU | 9 | 6161 | 16681 |
Villa Basilica | LU | 11 | 1633 | 18314 |
Lucca | LU | 12 | 89046 | 107360 |
Coreglia Antelminelli | LU | 13 | 5215 | 112575 |
Capannori | LU | 13 | 46252 | 158827 |
Gallicano | LU | 13 | 3807 | 162634 |
Barga | LU | 14 | 10034 | 172668 |
Fabbriche di Vergemoli | LU | 15 | 768 | 173436 |
Molazzana | LU | 15 | 1043 | 174479 |
Porcari | LU | 15 | 8845 | 183324 |
Pescia | PT | 16 | 19644 | 202968 |
Massarosa | LU | 16 | 22471 | 225439 |
Camaiore | LU | 16 | 32513 | 257952 |
Montecarlo | LU | 17 | 4428 | 262380 |
Stazzema | LU | 18 | 3193 | 265573 |
Uzzano | PT | 18 | 5770 | 271343 |
Fosciandora | LU | 19 | 602 | 271945 |
Castelnuovo di Garfagnana | LU | 19 | 5950 | 277895 |
Buggiano | PT | 20 | 8825 | 286720 |
Massa e Cozzile | PT | 20 | 7983 | 294703 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-06-03 15:53:27 |
43.9538 | 10.5078 | 1 | 2021-12-29 11:12:36 |
Bollettino Sismico Italiano INGV | 96478271 |
Reviewed Rev100 |
ML 1.1 | 2021-06-03 15:53:26 |
43.9248 | 10.4783 | 9 | 2021-06-03 16:06:12 |
Sala Sismica INGV-Roma | 90765391 |
Field | Value |
---|---|
Time (UTC) | 2021-06-03 15:53:27 ± 0.17 |
Latitude | 43.9538 ± 0.0090 |
Longitude | 10.5078 ± 0.0187 |
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 | 96478271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1510 |
Semi-minor axis of confidence ellipse (meter) | 970 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 275 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1510.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.04227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33185 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 96478271 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-12 16:00:15 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 90765391 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-06-03 16:06:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.EQUI.HHZ. | 2021-06-03T15:53:34.16 | 0.3 | undecidable | manual | P | 310 | 36.8298 | 91 | -0.51 | 66 |
GU.SARM.EHZ. | 2021-06-03T15:53:32.65 | 0.3 | undecidable | manual | P | 342 | 26.9508 | 91 | -0.04 | 75 |
IV.PII.HHZ. | 2021-06-03T15:53:32.03 | 0.3 | undecidable | manual | P | 177 | 25.752 | 91 | -0.42 | 69 |
GU.POPM.HHZ. | 2021-06-03T15:53:31.61 | 0.1 | positive | manual | P | 63 | 22.2555 | 91 | -0.15 | 98 |
IV.BDI.HHZ. | 2021-06-03T15:53:30.22 | 0.1 | undecidable | manual | P | 30 | 13.9749 | 92 | 0.12 | 100 |
GU.CARD.HHZ. | 2021-06-03T15:53:29.26 | 0.1 | undecidable | manual | P | 346 | 8.2806 | 93 | 0.31 | 97 |
GU.MAIM.HHZ. | 2021-06-03T15:53:28.65 | 0.1 | undecidable | manual | P | 196 | 4.6953 | 96 | 0.41 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CARD.HHN. | ML:1.1 | 0.000175 | 0.76 | AML | other | m | 2021-06-03T15:53:31.37 |
GU.CARD.HHE. | ML:1.3 | 0.000244 | 0.16 | AML | other | m | 2021-06-03T15:53:31.37 |
IV.BDI.HHE. | ML:0.9 | 0.00010920000000000001 | 0.3 | AML | other | m | 2021-06-03T15:53:32.62 |
IV.BDI.HHN. | ML:0.9 | 0.00009655 | 1.06 | AML | other | m | 2021-06-03T15:53:34.33 |
GU.POPM.HHN. | ML:1.1 | 0.00008979999999999999 | 1.84 | AML | other | m | 2021-06-03T15:53:35.96 |
GU.POPM.HHE. | ML:1.2 | 0.000122 | 0.22 | AML | other | m | 2021-06-03T15:53:35.43 |
IV.PII.HHE. | ML:0.8 | 0.0000393 | 0.22 | AML | other | m | 2021-06-03T15:53:36.97 |
IV.PII.HHN. | ML:0.8 | 0.000037 | 1.16 | AML | other | m | 2021-06-03T15:53:37.88 |