A magnitude Md 2.1 earthquake occured in region: 2 km N Londa (FI), on
and geographic coordinates (lat, lon) 43.8820, 11.5630 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 |
---|---|---|---|---|
Londa | FI | 2 | 1840 | 1840 |
Dicomano | FI | 3 | 5515 | 7355 |
San Godenzo | FI | 7 | 1167 | 8522 |
Rufina | FI | 9 | 7346 | 15868 |
Vicchio | FI | 10 | 8044 | 23912 |
Pelago | FI | 13 | 7660 | 31572 |
Pontassieve | FI | 15 | 20603 | 52175 |
Borgo San Lorenzo | FI | 16 | 18211 | 70386 |
Pratovecchio Stia | AR | 16 | 5845 | 76231 |
Montemignaio | AR | 16 | 566 | 76797 |
Castel San Niccolò | AR | 19 | 2707 | 79504 |
Rignano sull'Arno | FI | 20 | 8651 | 88155 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1988-01-03 10:30:37 |
43.882 | 11.563 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 60319 |
Field | Value |
---|---|
Time (UTC) | 1988-01-03 10:30:37 ± 0.194 |
Latitude | 43.8820 ± 0.0689 |
Longitude | 11.5630 ± 0.0170 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 60319 |
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) | 7784.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 168 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00097 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00688 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 60319 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:57:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PII.Z. | 1988-01-03T10:31:03.38 | 10.0 | undecidable | manual | SG | 258 | 0.7659 | -0.82 | 0 | |
--.BDI.Z. | 1988-01-03T10:31:02.54 | 10.0 | undecidable | manual | SG | 285 | 0.7104 | -0.1 | 0.6 | |
--.PII.Z. | 1988-01-03T10:30:53.51 | 10.0 | undecidable | manual | PG | 258 | 0.7659 | 0.52 | 0.5 | |
--.BDI.Z. | 1988-01-03T10:30:52.11 | 10.0 | undecidable | manual | PG | 285 | 0.7104 | 0.02 | 1.4 | |
--.PGD.Z. | 1988-01-03T10:30:43.59 | 10.0 | undecidable | manual | SG | 93 | 0.111 | 0.3 | 0.5 | |
--.PGD.Z. | 1988-01-03T10:30:40.75 | 10.0 | positive | manual | PG | 93 | 0.111 | -0.17 | 3 |