A magnitude Md 2.3 earthquake occured in region: 4 km S Londa (FI), on
and geographic coordinates (lat, lon) 43.8250, 11.5600 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 |
---|---|---|---|---|
Londa | FI | 4 | 1840 | 1840 |
Rufina | FI | 6 | 7346 | 9186 |
Pelago | FI | 7 | 7660 | 16846 |
Dicomano | FI | 8 | 5515 | 22361 |
Montemignaio | AR | 11 | 566 | 22927 |
Pontassieve | FI | 11 | 20603 | 43530 |
San Godenzo | FI | 12 | 1167 | 44697 |
Pratovecchio Stia | AR | 14 | 5845 | 50542 |
Rignano sull'Arno | FI | 14 | 8651 | 59193 |
Vicchio | FI | 14 | 8044 | 67237 |
Castel San Niccolò | AR | 15 | 2707 | 69944 |
Reggello | FI | 16 | 16290 | 86234 |
Figline e Incisa Valdarno | FI | 20 | 23505 | 109739 |
Poppi | AR | 20 | 6160 | 115899 |
Borgo San Lorenzo | FI | 20 | 18211 | 134110 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.7 |
1997-04-07 08:14:05 |
43.825 | 11.56 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 265539 |
Field | Value |
---|---|
Time (UTC) | 1997-04-07 08:14:05 ± 0.151 |
Latitude | 43.8250 ± 0.0138 |
Longitude | 11.5600 ± 0.0108 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 265539 |
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) | 1760.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 169 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00356 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00793 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 265539 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:11:05 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 265539 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1997-04-07T08:14:32.16 | 10.0 | undecidable | manual | SG | 289 | 0.7326 | 0.45 | 0.2 | |
--.PII.Z. | 1997-04-07T08:14:32.10 | 10.0 | undecidable | manual | SG | 262 | 0.7437 | -0.34 | 0.3 | |
--.FB9.Z. | 1997-04-07T08:14:23.52 | 10.0 | undecidable | manual | PG | 98 | 0.8769 | 0.06 | 1.7 | |
--.CSNT.Z. | 1997-04-07T08:14:21.54 | 10.0 | undecidable | manual | SG | 208 | 0.3996 | 0.59 | 0.1 | |
--.BDI.Z. | 1997-04-07T08:14:20.61 | 10.0 | undecidable | manual | PG | 289 | 0.7326 | 0.05 | 1.9 | |
--.PII.Z. | 1997-04-07T08:14:20.85 | 10.0 | undecidable | manual | PG | 262 | 0.7437 | -0.13 | 1.7 | |
--.CSNT.Z. | 1997-04-07T08:14:14.90 | 10.0 | undecidable | manual | PG | 208 | 0.3996 | -0.26 | 1.2 |