A magnitude Md 2.1 earthquake occured in region: 6 km E Certaldo (FI), on
and geographic coordinates (lat, lon) 43.5270, 11.1040 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 | 6 | 16121 | 16121 |
Barberino Val d'Elsa | FI | 6 | 4386 | 20507 |
Tavarnelle Val di Pesa | FI | 7 | 7800 | 28307 |
Poggibonsi | SI | 8 | 29196 | 57503 |
San Gimignano | SI | 8 | 7820 | 65323 |
Colle di Val d'Elsa | SI | 12 | 21620 | 86943 |
Gambassi Terme | FI | 12 | 4870 | 91813 |
Montespertoli | FI | 13 | 13537 | 105350 |
Castelfiorentino | FI | 14 | 17504 | 122854 |
Montaione | FI | 16 | 3700 | 126554 |
San Casciano in Val di Pesa | FI | 16 | 17062 | 143616 |
Castellina in Chianti | SI | 16 | 2859 | 146475 |
Monteriggioni | SI | 18 | 9810 | 156285 |
Greve in Chianti | FI | 18 | 13862 | 170147 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1993-02-11 03:33:39 |
43.527 | 11.104 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 180259 |
Field | Value |
---|---|
Time (UTC) | 1993-02-11 03:33:39 ± 0.315 |
Latitude | 43.5270 ± 0.0231 |
Longitude | 11.1040 ± 0.0106 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 180259 |
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) | 2709.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 213 |
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) | 0.00413 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00583 |
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 | 2 |
Type of magnitude | Md |
Reference to an origin | 180259 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:49:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1993-02-11T03:34:01.46 | 10.0 | undecidable | manual | SG | 325 | 0.6438 | -0.31 | 0.5 | |
--.CRE.Z. | 1993-02-11T03:34:00.00 | 10.0 | undecidable | manual | SG | 80 | 0.6105 | -0.86 | 0 | |
--.PGD.Z. | 1993-02-11T03:33:59.28 | 10.0 | undecidable | manual | SG | 51 | 0.555 | 0.15 | 0.7 | |
--.PII.Z. | 1993-02-11T03:33:56.00 | 10.0 | undecidable | manual | SG | 294 | 0.4551 | 0.2 | 0.7 | |
--.BDI.Z. | 1993-02-11T03:33:52.40 | 10.0 | undecidable | manual | PG | 325 | 0.6438 | 0.24 | 1.5 | |
--.CRE.Z. | 1993-02-11T03:33:52.00 | 10.0 | undecidable | manual | PG | 80 | 0.6105 | 0.36 | 1.1 | |
--.PGD.Z. | 1993-02-11T03:33:50.66 | 10.0 | undecidable | manual | PG | 51 | 0.555 | 0.02 | 2 | |
--.PII.Z. | 1993-02-11T03:33:48.41 | 10.0 | undecidable | manual | PG | 294 | 0.4551 | -0.3 | 1.4 |