A magnitude Md 2.1 earthquake occured in region: 2 km SE Certaldo (FI), on
and geographic coordinates (lat, lon) 43.5360, 11.0550 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 | 2 | 16121 | 16121 |
San Gimignano | SI | 8 | 7820 | 23941 |
Gambassi Terme | FI | 8 | 4870 | 28811 |
Barberino Val d'Elsa | FI | 10 | 4386 | 33197 |
Tavarnelle Val di Pesa | FI | 10 | 7800 | 40997 |
Castelfiorentino | FI | 10 | 17504 | 58501 |
Poggibonsi | SI | 11 | 29196 | 87697 |
Montaione | FI | 12 | 3700 | 91397 |
Montespertoli | FI | 12 | 13537 | 104934 |
Colle di Val d'Elsa | SI | 14 | 21620 | 126554 |
San Casciano in Val di Pesa | FI | 17 | 17062 | 143616 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1995-09-30 18:15:09 |
43.536 | 11.055 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 233479 |
Field | Value |
---|---|
Time (UTC) | 1995-09-30 18:15:09 ± 0.479 |
Latitude | 43.5360 ± 0.0315 |
Longitude | 11.0550 ± 0.0243 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 233479 |
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) | 4008.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 245 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00526 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00607 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 233479 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:41:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 1995-09-30T18:15:33.93 | 10.0 | undecidable | manual | SG | 57 | 0.6771 | 0.85 | 0 | |
--.CRE.Z. | 1995-09-30T18:15:31.52 | 10.0 | undecidable | manual | SG | 82 | 0.6438 | -0.7 | 0.1 | |
--.PGD.Z. | 1995-09-30T18:15:30.20 | 10.0 | undecidable | manual | SG | 55 | 0.5883 | -0.11 | 0.6 | |
--.BDI.Z. | 1995-09-30T18:15:30.57 | 10.0 | undecidable | manual | SG | 328 | 0.6216 | -0.61 | 0.1 | |
--.SFI.Z. | 1995-09-30T18:15:22.79 | 10.0 | undecidable | manual | PG | 57 | 0.6771 | -0.25 | 1.2 | |
--.BDI.Z. | 1995-09-30T18:15:22.22 | 10.0 | undecidable | manual | PG | 328 | 0.6216 | 0.27 | 1.2 | |
--.CRE.Z. | 1995-09-30T18:15:22.62 | 10.0 | positive | manual | PG | 82 | 0.6438 | 0.07 | 3.1 | |
--.PGD.Z. | 1995-09-30T18:15:21.38 | 10.0 | undecidable | manual | PG | 55 | 0.5883 | 0.05 | 1.6 |