A magnitude Md 2.5 earthquake occured in region: 6 km NW Monteroni d'Arbia (SI), on
and geographic coordinates (lat, lon) 43.2780, 11.3950 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 |
---|---|---|---|---|
Monteroni d'Arbia | SI | 6 | 9088 | 9088 |
Siena | SI | 7 | 53903 | 62991 |
Castelnuovo Berardenga | SI | 12 | 9097 | 72088 |
Murlo | SI | 12 | 2389 | 74477 |
Sovicille | SI | 13 | 10116 | 84593 |
Asciano | SI | 14 | 7118 | 91711 |
Buonconvento | SI | 17 | 3173 | 94884 |
Rapolano Terme | SI | 17 | 5249 | 100133 |
Monteriggioni | SI | 19 | 9810 | 109943 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1986-10-06 21:14:58 |
43.278 | 11.395 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 35469 |
Field | Value |
---|---|
Time (UTC) | 1986-10-06 21:14:58 ± 0.416 |
Latitude | 43.2780 ± 0.0322 |
Longitude | 11.3950 ± 0.0373 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 35469 |
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) | 4688.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 113 |
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) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00469 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01028 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 35469 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:35:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PS9.Z. | 1986-10-06T21:15:24.00 | 10.0 | undecidable | manual | SG | 305 | 0.7659 | -1.52 | 0.2 | |
--.ARV.Z. | 1986-10-06T21:15:21.50 | 10.0 | undecidable | manual | PN | 78 | 1.1433 | 0.88 | 0.7 | |
--.BDI.Z. | 1986-10-06T21:15:19.50 | 10.0 | undecidable | manual | PG | 324 | 0.9657 | 1.52 | 0.3 | |
--.ASS.Z. | 1986-10-06T21:15:17.00 | 10.0 | undecidable | manual | PG | 103 | 0.9324 | -0.38 | 1.2 | |
--.CRE.Z. | 1986-10-06T21:15:16.00 | 10.0 | undecidable | manual | SG | 49 | 0.5217 | -1.71 | 0.1 | |
--.MAO.Z. | 1986-10-06T21:15:15.80 | 10.0 | undecidable | manual | PG | 192 | 0.8769 | -0.41 | 1.2 | |
--.PS9.Z. | 1986-10-06T21:15:14.00 | 10.0 | undecidable | manual | PG | 305 | 0.7659 | -0.23 | 1.4 | |
--.CRE.Z. | 1986-10-06T21:15:10.00 | 10.0 | negative | manual | PG | 49 | 0.5217 | 0.27 | 2.7 |