A magnitude Md 2.5 earthquake occured in region: 6 km SE Pisa (PI), on
and geographic coordinates (lat, lon) 43.6770, 10.4550 at 5 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 | 6 | 89158 | 89158 |
Calci | PI | 7 | 6426 | 95584 |
Cascina | PI | 8 | 45257 | 140841 |
Collesalvetti | LI | 10 | 16827 | 157668 |
San Giuliano Terme | PI | 10 | 31399 | 189067 |
Vicopisano | PI | 11 | 8559 | 197626 |
Buti | PI | 12 | 5791 | 203417 |
Vecchiano | PI | 13 | 12189 | 215606 |
Calcinaia | PI | 13 | 12439 | 228045 |
Fauglia | PI | 13 | 3682 | 231727 |
Bientina | PI | 14 | 8062 | 239789 |
Crespina Lorenzana | PI | 14 | 5457 | 245246 |
Pontedera | PI | 15 | 29223 | 274469 |
Ponsacco | PI | 16 | 15611 | 290080 |
Livorno | LI | 18 | 159219 | 449299 |
Lucca | LU | 19 | 89046 | 538345 |
Santa Maria a Monte | PI | 19 | 13253 | 551598 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.6 |
1994-07-28 06:56:22 |
43.677 | 10.455 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 213609 |
Field | Value |
---|---|
Time (UTC) | 1994-07-28 06:56:22 ± 0.996 |
Latitude | 43.6770 ± 0.0444 |
Longitude | 10.4550 ± 0.0577 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 213609 |
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) | 6776.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 249 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.8 |
Epicentral distance of station closest to the epicenter (degree) | 0.00057 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01174 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 213609 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:21:22 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 213609 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 1994-07-28T06:57:00.00 | 10.0 | undecidable | manual | SG | 76 | 1.0212 | 2.06 | 0.1 | |
--.PGD.Z. | 1994-07-28T06:56:55.72 | 10.0 | undecidable | manual | SG | 77 | 0.9213 | 0.83 | 0.6 | |
--.ZC9.Z. | 1994-07-28T06:56:51.58 | 10.0 | undecidable | manual | SG | 28 | 0.7659 | 1.92 | 0.2 | |
--.BOB.Z. | 1994-07-28T06:56:48.00 | 10.0 | undecidable | manual | PN | 326 | 1.2987 | 1.22 | 0.8 | |
--.SFI.Z. | 1994-07-28T06:56:42.00 | 10.0 | undecidable | manual | PG | 76 | 1.0212 | -0.76 | 1.4 | |
--.PGD.Z. | 1994-07-28T06:56:39.92 | 10.0 | undecidable | manual | PG | 77 | 0.9213 | -1.08 | 1.1 | |
--.ZC9.Z. | 1994-07-28T06:56:38.11 | 10.0 | undecidable | manual | PG | 28 | 0.7659 | 0.14 | 2.1 | |
--.BDI.Z. | 1994-07-28T06:56:36.42 | 10.0 | undecidable | manual | SG | 14 | 0.3996 | -1.02 | 0.6 | |
--.BDI.Z. | 1994-07-28T06:56:29.70 | 10.0 | undecidable | manual | PG | 14 | 0.3996 | -1.22 | 1.1 | |
--.PII.Z. | 1994-07-28T06:56:25.35 | 10.0 | undecidable | manual | SG | 48 | 0.0666 | 0.26 | 0.9 | |
--.PII.Z. | 1994-07-28T06:56:23.85 | 10.0 | undecidable | manual | PG | 48 | 0.0666 | 0.06 | 2.2 |