A magnitude ML 1.1 earthquake occured in region: 2 km N Porcari (LU), on
and geographic coordinates (lat, lon) 43.8600, 10.6210 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Porcari | LU | 2 | 8845 | 8845 |
Capannori | LU | 4 | 46252 | 55097 |
Montecarlo | LU | 4 | 4428 | 59525 |
Altopascio | LU | 7 | 15481 | 75006 |
Pescia | PT | 7 | 19644 | 94650 |
Uzzano | PT | 8 | 5770 | 100420 |
Villa Basilica | LU | 8 | 1633 | 102053 |
Chiesina Uzzanese | PT | 8 | 4552 | 106605 |
Buggiano | PT | 9 | 8825 | 115430 |
Lucca | LU | 10 | 89046 | 204476 |
Ponte Buggianese | PT | 10 | 8804 | 213280 |
Massa e Cozzile | PT | 12 | 7983 | 221263 |
Montecatini-Terme | PT | 13 | 20409 | 241672 |
Pieve a Nievole | PT | 14 | 9266 | 250938 |
Marliana | PT | 15 | 3210 | 254148 |
Borgo a Mozzano | LU | 15 | 6994 | 261142 |
Buti | PI | 15 | 5791 | 266933 |
Monsummano Terme | PT | 16 | 21338 | 288271 |
Bientina | PI | 17 | 8062 | 296333 |
Calci | PI | 17 | 6426 | 302759 |
Bagni di Lucca | LU | 17 | 6161 | 308920 |
Serravalle Pistoiese | PT | 18 | 11659 | 320579 |
San Giuliano Terme | PI | 18 | 31399 | 351978 |
Vicopisano | PI | 18 | 8559 | 360537 |
Santa Maria a Monte | PI | 19 | 13253 | 373790 |
Calcinaia | PI | 20 | 12439 | 386229 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-08-18 21:49:45 |
43.8597 | 10.6213 | 10 | 2021-12-29 11:12:27 |
Bollettino Sismico Italiano INGV | 95188391 |
Field | Value |
---|---|
Time (UTC) | 2021-08-18 21:49:45 ± 0.12 |
Latitude | 43.8597 ± 0.0054 |
Longitude | 10.6213 ± 0.0100 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95188391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 780 |
Semi-minor axis of confidence ellipse (meter) | 630 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 780.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.10792 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26620 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95188391 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-12-10 14:31:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRMI.HHZ. | 2021-08-18T21:49:56.22 | 0.3 | undecidable | manual | S | 104 | 29.5482 | 50 | -0.28 | 72 |
GU.POPM.HHZ. | 2021-08-18T21:49:54.35 | 0.3 | undecidable | manual | S | 28 | 23.2545 | 113 | -0.34 | 72 |
IV.BDI.HHZ. | 2021-08-18T21:49:54.15 | 0.3 | undecidable | manual | S | 355 | 22.6551 | 114 | -0.36 | 72 |
GU.CARD.HHZ. | 2021-08-18T21:49:54.02 | 0.3 | undecidable | manual | S | 329 | 21.5673 | 115 | -0.14 | 75 |
IV.PII.HHZ. | 2021-08-18T21:49:52.17 | 0.3 | undecidable | manual | S | 207 | 17.0718 | 120 | -0.63 | 67 |
IV.CRMI.HHZ. | 2021-08-18T21:49:52.45 | 0.3 | undecidable | manual | P | 104 | 29.5482 | 50 | 0.42 | 70 |
GU.POPM.HHZ. | 2021-08-18T21:49:51.18 | 0.1 | undecidable | manual | P | 28 | 23.2545 | 113 | 0.19 | 99 |
GU.MAIM.HHZ. | 2021-08-18T21:49:51.12 | 0.3 | undecidable | manual | S | 300 | 11.9769 | 130 | -0.21 | 75 |
IV.BDI.HHZ. | 2021-08-18T21:49:51.05 | 0.1 | undecidable | manual | P | 355 | 22.6551 | 114 | 0.17 | 99 |
GU.CARD.HHZ. | 2021-08-18T21:49:50.88 | 0.3 | undecidable | manual | P | 329 | 21.5673 | 115 | 0.2 | 74 |
IV.PII.HHZ. | 2021-08-18T21:49:50.08 | 0.1 | undecidable | manual | P | 207 | 17.0718 | 120 | 0.19 | 100 |
GU.MAIM.HHZ. | 2021-08-18T21:49:49.50 | 0.1 | undecidable | manual | P | 300 | 11.9769 | 130 | 0.46 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHE. | ML:0.9 | 0.0000954 | 0.06 | AML | other | m | 2021-08-18T21:49:51.29 |
GU.MAIM.HHN. | ML:1.0 | 0.00011415 | 0.3 | AML | other | m | 2021-08-18T21:49:51.24 |
IV.PII.HHE. | ML:1.3 | 0.000163 | 0.2 | AML | other | m | 2021-08-18T21:49:52.22 |
IV.PII.HHN. | ML:1.3 | 0.0001865 | 0.3 | AML | other | m | 2021-08-18T21:49:52.37 |
GU.POPM.HHN. | ML:1.2 | 0.00009425 | 0.66 | AML | other | m | 2021-08-18T21:49:54.43 |
IV.BDI.HHN. | ML:0.7 | 0.0000344 | 0.78 | AML | other | m | 2021-08-18T21:49:54.80 |
GU.POPM.HHE. | ML:1.2 | 0.00010419999999999998 | 0.16 | AML | other | m | 2021-08-18T21:49:55.54 |
IV.BDI.HHE. | ML:0.6 | 0.00002535 | 0.46 | AML | other | m | 2021-08-18T21:49:57.62 |