A magnitude Md 2.2 earthquake occured in region: 4 km SW Cascina (PI), on
and geographic coordinates (lat, lon) 43.6510, 10.5200 at 20 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 |
---|---|---|---|---|
Cascina | PI | 4 | 45257 | 45257 |
Collesalvetti | LI | 8 | 16827 | 62084 |
Vicopisano | PI | 8 | 8559 | 70643 |
Calci | PI | 8 | 6426 | 77069 |
Calcinaia | PI | 9 | 12439 | 89508 |
Crespina Lorenzana | PI | 9 | 5457 | 94965 |
Fauglia | PI | 9 | 3682 | 98647 |
Pontedera | PI | 10 | 29223 | 127870 |
Ponsacco | PI | 10 | 15611 | 143481 |
Buti | PI | 10 | 5791 | 149272 |
Bientina | PI | 11 | 8062 | 157334 |
Pisa | PI | 12 | 89158 | 246492 |
San Giuliano Terme | PI | 14 | 31399 | 277891 |
Capannoli | PI | 15 | 6381 | 284272 |
Santa Maria a Monte | PI | 15 | 13253 | 297525 |
Casciana Terme Lari | PI | 16 | 12529 | 310054 |
Orciano Pisano | PI | 18 | 647 | 310701 |
Vecchiano | PI | 18 | 12189 | 322890 |
Terricciola | PI | 19 | 4627 | 327517 |
Castelfranco di Sotto | PI | 19 | 13427 | 340944 |
Montopoli in Val d'Arno | PI | 20 | 11148 | 352092 |
Peccioli | PI | 20 | 4807 | 356899 |
Santa Luce | PI | 20 | 1684 | 358583 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1986-01-01 17:22:52 |
43.651 | 10.52 | 20 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 19329 |
Field | Value |
---|---|
Time (UTC) | 1986-01-01 17:22:52 ± 0.257 |
Latitude | 43.6510 ± 0.0171 |
Longitude | 10.5200 ± 0.0093 |
Depth (km) | 20 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 19329 |
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) | 2038.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 198 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00372 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01805 |
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 | 19329 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:21:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ROB.Z. | 1986-01-01T17:23:48.80 | 10.0 | undecidable | manual | SN | 289 | 2.0091 | -0.13 | 0.6 | |
--.FIN.Z. | 1986-01-01T17:23:42.90 | 10.0 | undecidable | manual | SN | 289 | 1.7538 | 0.1 | 0.7 | |
--.CRE.Z. | 1986-01-01T17:23:26.00 | 10.0 | undecidable | manual | SN | 91 | 1.0323 | 0.29 | 0.3 | |
--.ROB.Z. | 1986-01-01T17:23:25.00 | 10.0 | undecidable | manual | PN | 289 | 2.0091 | -0.11 | 1.6 | |
--.FIN.Z. | 1986-01-01T17:23:21.70 | 10.0 | undecidable | manual | PN | 289 | 1.7538 | 0.13 | 1.6 | |
--.CRE.Z. | 1986-01-01T17:23:11.50 | 10.0 | undecidable | manual | PN | 91 | 1.0323 | -0.2 | 1.3 | |
--.BDI.Z. | 1986-01-01T17:23:08.00 | 10.0 | undecidable | manual | SG | 7 | 0.4107 | -0.25 | 0.3 | |
--.BDI.Z. | 1986-01-01T17:23:01.80 | 10.0 | undecidable | manual | PG | 7 | 0.4107 | 0.18 | 1.5 |