A magnitude Md 2.0 earthquake occured in region: 4 km S Certaldo (FI), on
and geographic coordinates (lat, lon) 43.5170, 11.0540 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 |
---|---|---|---|---|
Certaldo | FI | 4 | 16121 | 16121 |
San Gimignano | SI | 5 | 7820 | 23941 |
Gambassi Terme | FI | 8 | 4870 | 28811 |
Poggibonsi | SI | 9 | 29196 | 58007 |
Barberino Val d'Elsa | FI | 10 | 4386 | 62393 |
Tavarnelle Val di Pesa | FI | 11 | 7800 | 70193 |
Colle di Val d'Elsa | SI | 12 | 21620 | 91813 |
Castelfiorentino | FI | 12 | 17504 | 109317 |
Montaione | FI | 12 | 3700 | 113017 |
Montespertoli | FI | 14 | 13537 | 126554 |
San Casciano in Val di Pesa | FI | 19 | 17062 | 143616 |
Monteriggioni | SI | 19 | 9810 | 153426 |
Castellina in Chianti | SI | 20 | 2859 | 156285 |
Casole d'Elsa | SI | 20 | 3897 | 160182 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1999-08-28 09:19:48 |
43.517 | 11.054 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 372879 |
Field | Value |
---|---|
Time (UTC) | 1999-08-28 09:19:48 ± 0.05 |
Latitude | 43.5170 ± 0.0038 |
Longitude | 11.0540 ± 0.0045 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 372879 |
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) | 550.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00332 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00591 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 372879 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:49:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1999-08-28T09:20:11.49 | 10.0 | undecidable | manual | SG | 80 | 0.6549 | 0.06 | 0.5 | |
--.PII.Z. | 1999-08-28T09:20:04.20 | 10.0 | undecidable | manual | SG | 298 | 0.4329 | -0.26 | 0 | |
--.GRFL.Z. | 1999-08-28T09:20:02.19 | 10.0 | undecidable | manual | SG | 188 | 0.3663 | -0.16 | 0.2 | |
--.CRE.Z. | 1999-08-28T09:20:01.64 | 10.0 | undecidable | manual | PG | 80 | 0.6549 | -0.06 | 1.3 | |
--.BDI.Z. | 1999-08-28T09:20:01.26 | 10.0 | undecidable | manual | PG | 328 | 0.6327 | -0.07 | 1.3 | |
--.PII.Z. | 1999-08-28T09:19:57.68 | 10.0 | negative | manual | PG | 298 | 0.4329 | 0.1 | 2.2 | |
--.GRFL.Z. | 1999-08-28T09:19:56.52 | 10.0 | undecidable | manual | PG | 188 | 0.3663 | 0.06 | 1.5 |