A magnitude Md 2.3 earthquake occured in region: 3 km NW Monteriggioni (SI), on
and geographic coordinates (lat, lon) 43.4210, 11.2080 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 |
---|---|---|---|---|
Monteriggioni | SI | 3 | 9810 | 9810 |
Poggibonsi | SI | 7 | 29196 | 39006 |
Colle di Val d'Elsa | SI | 7 | 21620 | 60626 |
Castellina in Chianti | SI | 8 | 2859 | 63485 |
Barberino Val d'Elsa | FI | 14 | 4386 | 67871 |
San Gimignano | SI | 14 | 7820 | 75691 |
Siena | SI | 15 | 53903 | 129594 |
Radda in Chianti | SI | 15 | 1613 | 131207 |
Sovicille | SI | 16 | 10116 | 141323 |
Casole d'Elsa | SI | 16 | 3897 | 145220 |
Tavarnelle Val di Pesa | FI | 16 | 7800 | 153020 |
Gaiole in Chianti | SI | 19 | 2758 | 155778 |
Certaldo | FI | 20 | 16121 | 171899 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1986-11-26 23:00:03 |
43.421 | 11.208 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 37489 |
Field | Value |
---|---|
Time (UTC) | 1986-11-26 23:00:03 ± 0.757 |
Latitude | 43.4210 ± 0.0618 |
Longitude | 11.2080 ± 0.0289 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 37489 |
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) | 7261.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 231 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00510 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00696 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 37489 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:37:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1986-11-26T23:00:30.50 | 10.0 | undecidable | manual | SG | 325 | 0.777 | 0.05 | 0.6 | |
--.PS9.Z. | 1986-11-26T23:00:23.00 | 10.0 | undecidable | manual | SG | 300 | 0.5772 | -1.06 | 0.1 | |
--.CRE.Z. | 1986-11-26T23:00:23.00 | 10.0 | undecidable | manual | SG | 69 | 0.5661 | -0.88 | 0.4 | |
--.BDI.Z. | 1986-11-26T23:00:20.00 | 10.0 | undecidable | manual | PG | 325 | 0.777 | 0.91 | 0.5 | |
--.PS9.Z. | 1986-11-26T23:00:15.00 | 10.0 | undecidable | manual | PG | 300 | 0.5772 | -0.4 | 1.3 | |
--.CRE.Z. | 1986-11-26T23:00:15.50 | 10.0 | positive | manual | PG | 69 | 0.5661 | 0.2 | 3.1 |