A magnitude ML 0.5 (quarry blast) earthquake occured in region: 4 km W Piteglio (PT), on
and geographic coordinates (lat, lon) 44.0290, 10.7120 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 |
---|---|---|---|---|
Piteglio | PT | 4 | 1683 | 1683 |
San Marcello Pistoiese | PT | 7 | 6416 | 8099 |
Cutigliano | PT | 9 | 1488 | 9587 |
Bagni di Lucca | LU | 10 | 6161 | 15748 |
Marliana | PT | 11 | 3210 | 18958 |
Villa Basilica | LU | 12 | 1633 | 20591 |
Massa e Cozzile | PT | 13 | 7983 | 28574 |
Abetone | PT | 13 | 621 | 29195 |
Pescia | PT | 14 | 19644 | 48839 |
Borgo a Mozzano | LU | 15 | 6994 | 55833 |
Coreglia Antelminelli | LU | 15 | 5215 | 61048 |
Uzzano | PT | 16 | 5770 | 66818 |
Buggiano | PT | 17 | 8825 | 75643 |
Montecatini-Terme | PT | 17 | 20409 | 96052 |
Serravalle Pistoiese | PT | 17 | 11659 | 107711 |
Fiumalbo | MO | 18 | 1280 | 108991 |
Pieve a Nievole | PT | 18 | 9266 | 118257 |
Barga | LU | 19 | 10034 | 128291 |
Monsummano Terme | PT | 19 | 21338 | 149629 |
Pistoia | PT | 20 | 90315 | 239944 |
Montecarlo | LU | 20 | 4428 | 244372 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.5 | 2021-08-30 09:55:24 |
44.0288 | 10.7125 | 1 | 2021-12-29 11:12:29 |
Bollettino Sismico Italiano INGV | 95261871 |
Reviewed Rev100 |
ML 0.5 | 2021-08-30 09:55:24 |
44.0392 | 10.7153 | 5 | 2021-08-30 10:04:13 |
Sala Sismica INGV-Roma | 94814491 |
Field | Value |
---|---|
Time (UTC) | 2021-08-30 09:55:24 ± 0.09 |
Latitude | 44.0288 ± 0.0081 |
Longitude | 10.7125 ± 0.0063 |
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 | 95261871 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 880 |
Semi-minor axis of confidence ellipse (meter) | 530 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 5 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 880.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 118 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33725 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 95261871 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-12-14 16:21:04 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 94814491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-30 10:04:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IFIL.HHZ. | 2021-08-30T09:57:15.24 | 3.0 | undecidable | manual | Pg | 22.370001 | 0 | |||
IV.CLTA.HHZ. | 2021-08-30T09:57:13.67 | 3.0 | undecidable | manual | Pn | 4.74 | 0 | |||
MN.PDG.HHZ. | 2021-08-30T09:57:09.78 | 3.0 | positive | manual | Pg | 20.08 | 0 | |||
IV.PLLN.EHZ. | 2021-08-30T09:57:02.57 | 3.0 | positive | manual | Pn | 4 | 0 | |||
IV.CDRU.HHZ. | 2021-08-30T09:56:47.89 | 3.0 | undecidable | manual | Pg | 14.4 | 0 | |||
IV.PAOL.HNZ. | 2021-08-30T09:56:33.69 | 3.0 | undecidable | manual | Pg | 10.72 | 0 | |||
GU.BURY.HHZ. | 2021-08-30T09:56:32.96 | 3.0 | undecidable | manual | Sn | 0.4 | 0 | |||
IV.CESX.HHZ. | 2021-08-30T09:56:32.04 | 3.0 | undecidable | manual | Sg | 7.6 | 0 | |||
GU.MGRO.HHZ. | 2021-08-30T09:56:30.77 | 3.0 | undecidable | manual | Sg | 4.35 | 0 | |||
GU.LSD.HHZ. | 2021-08-30T09:56:05.15 | 3.0 | positive | manual | Pn | 3.33 | 0 | |||
GU.MGRO.HHZ. | 2021-08-30T09:55:54.41 | 3.0 | undecidable | manual | Pn | -0.51 | 0 | |||
IV.TREG.EHZ. | 2021-08-30T09:55:45.28 | 3.0 | undecidable | manual | S | -3.03 | 0 | |||
IV.APEC.HHZ. | 2021-08-30T09:55:45.13 | 3.0 | positive | manual | Pg | 2.97 | 0 | |||
IV.MAGA.HHZ. | 2021-08-30T09:55:40.84 | 3.0 | undecidable | manual | Pg | 2.38 | 0 | |||
IV.ZEN8.EHZ. | 2021-08-30T09:55:35.55 | 3.0 | undecidable | manual | P | -0.42 | 0 | |||
IV.CRMI.HHZ. | 2021-08-30T09:55:31.11 | 0.3 | undecidable | manual | P | 140 | 33.5442 | 91 | -0.01 | 74 |
IV.PII.HHZ. | 2021-08-30T09:55:31.73 | 0.3 | undecidable | manual | P | 204 | 37.2294 | 91 | -0.13 | 72 |
IV.MOCL.EHZ. | 2021-08-30T09:55:31.60 | 0.3 | undecidable | manual | P | 94 | 37.4292 | 91 | -0.31 | 69 |
IV.MPPT.EHZ. | 2021-08-30T09:55:30.67 | 0.3 | undecidable | manual | P | 105 | 31.1466 | 91 | 0.02 | 74 |
GU.SARM.EHZ. | 2021-08-30T09:55:30.00 | 0.3 | undecidable | manual | P | 305 | 30.2475 | 91 | -0.46 | 68 |
GU.MAIM.HHZ. | 2021-08-30T09:55:28.98 | 0.3 | undecidable | manual | P | 234 | 21.867 | 91 | 0.2 | 72 |
GU.CARD.HHE. | 2021-08-30T09:55:28.18 | 0.3 | undecidable | manual | P | 269 | 18.3705 | 92 | 0.09 | 75 |
IV.BDI.HHZ. | 2021-08-30T09:55:26.56 | 0.1 | undecidable | manual | P | 292 | 10.0788 | 93 | 0.13 | 100 |
GU.POPM.HHZ. | 2021-08-30T09:55:25.46 | 0.1 | undecidable | manual | P | 63 | 3.996 | 97 | 0.25 | 99 |
IV.NDIM.HNZ. | 2021-08-30T09:55:21.92 | 3.0 | undecidable | manual | P | 1.11 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BDI.HHE. | ML:0.5 | 0.00006110000000000001 | 1 | AML | other | m | 2021-08-30T09:55:29.44 |
IV.BDI.HHN. | ML:0.5 | 0.0000563 | 1.04 | AML | other | m | 2021-08-30T09:55:30.61 |