A magnitude Md 2.2 earthquake occured in region: 3 km SE Altopascio (LU), on
and geographic coordinates (lat, lon) 43.8020, 10.7040 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 |
---|---|---|---|---|
Altopascio | LU | 3 | 15481 | 15481 |
Chiesina Uzzanese | PT | 4 | 4552 | 20033 |
Ponte Buggianese | PT | 6 | 8804 | 28837 |
Montecarlo | LU | 6 | 4428 | 33265 |
Porcari | LU | 8 | 8845 | 42110 |
Uzzano | PT | 9 | 5770 | 47880 |
Buggiano | PT | 9 | 8825 | 56705 |
Montecatini-Terme | PT | 11 | 20409 | 77114 |
Pieve a Nievole | PT | 11 | 9266 | 86380 |
Pescia | PT | 11 | 19644 | 106024 |
Santa Maria a Monte | PI | 11 | 13253 | 119277 |
Capannori | LU | 12 | 46252 | 165529 |
Santa Croce sull'Arno | PI | 12 | 14601 | 180130 |
Castelfranco di Sotto | PI | 12 | 13427 | 193557 |
Fucecchio | FI | 12 | 23618 | 217175 |
Monsummano Terme | PT | 12 | 21338 | 238513 |
Bientina | PI | 12 | 8062 | 246575 |
Buti | PI | 12 | 5791 | 252366 |
Massa e Cozzile | PT | 13 | 7983 | 260349 |
Larciano | PT | 14 | 6394 | 266743 |
Vicopisano | PI | 15 | 8559 | 275302 |
Cerreto Guidi | FI | 15 | 10870 | 286172 |
Villa Basilica | LU | 15 | 1633 | 287805 |
Calcinaia | PI | 15 | 12439 | 300244 |
Montopoli in Val d'Arno | PI | 15 | 11148 | 311392 |
Lamporecchio | PT | 16 | 7508 | 318900 |
Serravalle Pistoiese | PT | 16 | 11659 | 330559 |
Marliana | PT | 16 | 3210 | 333769 |
Pontedera | PI | 16 | 29223 | 362992 |
Lucca | LU | 17 | 89046 | 452038 |
Calci | PI | 17 | 6426 | 458464 |
Vinci | FI | 18 | 14604 | 473068 |
San Miniato | PI | 18 | 27934 | 501002 |
Cascina | PI | 19 | 45257 | 546259 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1991-02-01 11:52:31 |
43.802 | 10.704 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 135259 |
Field | Value |
---|---|
Time (UTC) | 1991-02-01 11:52:31 ± 0.234 |
Latitude | 43.8020 ± 0.0114 |
Longitude | 10.7040 ± 0.0209 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 135259 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
Semi-major axis of confidence ellipse (meter) | |
Semi-minor axis of confidence ellipse (meter) | |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2102.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 137 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00130 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00826 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 135259 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:06:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1991-02-01T11:52:49.00 | 10.0 | undecidable | manual | PG | 100 | 0.9213 | -0.18 | 1.2 | |
--.MME.Z. | 1991-02-01T11:52:45.50 | 10.0 | undecidable | manual | SG | 359 | 0.3885 | -0.02 | 0.8 | |
--.BDI.Z. | 1991-02-01T11:52:41.50 | 10.0 | undecidable | manual | SG | 343 | 0.2664 | -0.17 | 0.8 | |
--.MME.Z. | 1991-02-01T11:52:40.50 | 10.0 | undecidable | manual | PG | 359 | 0.3885 | 1.1 | 0.5 | |
--.PII.Z. | 1991-02-01T11:52:37.59 | 10.0 | undecidable | manual | SG | 238 | 0.1443 | -0.27 | 0.8 | |
--.BDI.Z. | 1991-02-01T11:52:36.50 | 10.0 | undecidable | manual | PG | 343 | 0.2664 | -0.68 | 0.9 | |
--.PII.Z. | 1991-02-01T11:52:35.21 | 10.0 | undecidable | manual | PG | 238 | 0.1443 | 0.23 | 2 |