A magnitude Md 2.4 earthquake occured in region: 8 km W Pisa (PI), on
and geographic coordinates (lat, lon) 43.7340, 10.3080 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 |
---|---|---|---|---|
Pisa | PI | 8 | 89158 | 89158 |
Vecchiano | PI | 8 | 12189 | 101347 |
San Giuliano Terme | PI | 11 | 31399 | 132746 |
Massarosa | LU | 15 | 22471 | 155217 |
Viareggio | LU | 16 | 62467 | 217684 |
Calci | PI | 17 | 6426 | 224110 |
Lucca | LU | 20 | 89046 | 313156 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-06-08 20:03:32 |
43.734 | 10.308 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 48789 |
Field | Value |
---|---|
Time (UTC) | 1987-06-08 20:03:32 ± 0.755 |
Latitude | 43.7340 ± 0.0232 |
Longitude | 10.3080 ± 0.0456 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 48789 |
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) | 4482.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 297 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
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) | 0.00138 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00923 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 48789 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:47:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PGD.Z. | 1987-06-08T20:04:08.00 | 10.0 | undecidable | manual | SG | 81 | 1.0212 | 0.55 | 0.4 | |
--.PGD.Z. | 1987-06-08T20:03:53.50 | 10.0 | undecidable | manual | PG | 81 | 1.0212 | 0.82 | 0.5 | |
--.BDI.Z. | 1987-06-08T20:03:47.00 | 10.0 | undecidable | manual | SG | 32 | 0.3885 | 0.11 | 0.9 | |
--.BDI.Z. | 1987-06-08T20:03:40.50 | 10.0 | undecidable | manual | PG | 32 | 0.3885 | -0.3 | 2 | |
--.PS9.Z. | 1987-06-08T20:03:39.00 | 10.0 | undecidable | manual | SG | 94 | 0.1554 | -0.44 | 0.7 | |
--.PS9.Z. | 1987-06-08T20:03:36.00 | 10.0 | undecidable | manual | PG | 94 | 0.1554 | -0.5 | 1.5 |