A magnitude Md 2.3 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on
and geographic coordinates (lat, lon) 43.8500, 10.2330 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 |
---|---|---|---|---|
Viareggio | LU | 3 | 62467 | 62467 |
Massarosa | LU | 9 | 22471 | 84938 |
Camaiore | LU | 12 | 32513 | 117451 |
Pietrasanta | LU | 12 | 24007 | 141458 |
Forte dei Marmi | LU | 13 | 7510 | 148968 |
Vecchiano | PI | 15 | 12189 | 161157 |
Seravezza | LU | 16 | 13073 | 174230 |
Stazzema | LU | 17 | 3193 | 177423 |
Montignoso | MS | 19 | 10323 | 187746 |
San Giuliano Terme | PI | 19 | 31399 | 219145 |
Pescaglia | LU | 19 | 3526 | 222671 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1997-10-04 12:27:29 |
43.85 | 10.233 | 5 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 289239 |
Field | Value |
---|---|
Time (UTC) | 1997-10-04 12:27:29 ± 0.231 |
Latitude | 43.8500 ± 0.0087 |
Longitude | 10.2330 ± 0.0173 |
Depth (km) | 5 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 289239 |
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) | 1693.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 207 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00219 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00963 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 289239 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:32:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BOB.Z. | 1997-10-04T12:27:51.22 | 10.0 | undecidable | manual | PG | 328 | 1.0656 | 0.01 | 1.1 | |
--.EB9.Z. | 1997-10-04T12:27:51.86 | 10.0 | undecidable | manual | SG | 12 | 0.5772 | 0.64 | 0 | |
--.GU9.Z. | 1997-10-04T12:27:50.30 | 10.0 | undecidable | manual | SG | 27 | 0.555 | -0.22 | 0.4 | |
--.BDI.Z. | 1997-10-04T12:27:42.72 | 10.0 | undecidable | manual | SG | 51 | 0.333 | -0.02 | 0.7 | |
--.GU9.Z. | 1997-10-04T12:27:41.70 | 10.0 | undecidable | manual | PG | 27 | 0.555 | 0 | 1.6 | |
--.EB9.Z. | 1997-10-04T12:27:41.81 | 10.0 | undecidable | manual | PG | 12 | 0.5772 | -0.29 | 0.6 | |
--.PII.Z. | 1997-10-04T12:27:39.70 | 10.0 | undecidable | manual | SG | 121 | 0.2442 | -0.23 | 0.4 | |
--.BDI.Z. | 1997-10-04T12:27:37.21 | 10.0 | positive | manual | PG | 51 | 0.333 | 0.01 | 3.3 | |
--.PII.Z. | 1997-10-04T12:27:35.42 | 10.0 | undecidable | manual | PG | 121 | 0.2442 | 0.2 | 1.1 |