A magnitude Md 2.1 earthquake occured in region: 4 km NE Fiesole (FI), on
and geographic coordinates (lat, lon) 43.8270, 11.3400 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 |
---|---|---|---|---|
Fiesole | FI | 4 | 13969 | 13969 |
Bagno a Ripoli | FI | 8 | 25611 | 39580 |
Firenze | FI | 9 | 382808 | 422388 |
Pontassieve | FI | 10 | 20603 | 442991 |
Vaglia | FI | 10 | 5073 | 448064 |
Sesto Fiorentino | FI | 11 | 48958 | 497022 |
Rufina | FI | 12 | 7346 | 504368 |
Calenzano | FI | 14 | 17489 | 521857 |
Scandicci | FI | 15 | 50609 | 572466 |
Rignano sull'Arno | FI | 15 | 8651 | 581117 |
Borgo San Lorenzo | FI | 15 | 18211 | 599328 |
Pelago | FI | 15 | 7660 | 606988 |
Scarperia e San Piero | FI | 15 | 12217 | 619205 |
Vicchio | FI | 16 | 8044 | 627249 |
Campi Bisenzio | FI | 16 | 46166 | 673415 |
Dicomano | FI | 17 | 5515 | 678930 |
Impruneta | FI | 17 | 14615 | 693545 |
Londa | FI | 19 | 1840 | 695385 |
Lastra a Signa | FI | 20 | 20156 | 715541 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 2001-04-18 23:04:34 |
43.827 | 11.34 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 415999 |
Field | Value |
---|---|
Time (UTC) | 2001-04-18 23:04:34 ± 0.181 |
Latitude | 43.8270 ± 0.0135 |
Longitude | 11.3400 ± 0.0129 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 415999 |
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) | 1818.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 143 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.00316 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00534 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 415999 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:32:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 2001-04-18T23:04:55.10 | 10.0 | undecidable | manual | SG | 293 | 0.5772 | -0.35 | 0.6 | |
--.PII.Z. | 2001-04-18T23:04:55.80 | 10.0 | undecidable | manual | SG | 260 | 0.5883 | -0.83 | 0.2 | |
--.CRE.Z. | 2001-04-18T23:04:52.70 | 10.0 | undecidable | manual | SG | 114 | 0.4884 | 0.37 | 0.7 | |
--.CSNT.Z. | 2001-04-18T23:04:47.86 | 10.0 | undecidable | manual | SG | 185 | 0.3552 | -0.27 | 0.8 | |
--.SFI.Z. | 2001-04-18T23:04:47.95 | 10.0 | undecidable | manual | SG | 77 | 0.3663 | -0.74 | 0.3 | |
--.PII.Z. | 2001-04-18T23:04:47.25 | 10.0 | undecidable | manual | PG | 260 | 0.5883 | 0.27 | 1.8 | |
--.BDI.Z. | 2001-04-18T23:04:46.88 | 10.0 | undecidable | manual | PG | 293 | 0.5772 | 0.16 | 2 | |
--.CRE.Z. | 2001-04-18T23:04:44.22 | 10.0 | undecidable | manual | PG | 114 | 0.4884 | -0.7 | 0.9 | |
--.SFI.Z. | 2001-04-18T23:04:43.40 | 10.0 | undecidable | manual | PG | 77 | 0.3663 | 0.59 | 1.1 | |
--.CSNT.Z. | 2001-04-18T23:04:42.90 | 10.0 | undecidable | manual | PG | 185 | 0.3552 | 0.41 | 1.6 |