A magnitude Md 2.4 earthquake occured in region: 3 km E Torrita di Siena (SI), on
and geographic coordinates (lat, lon) 43.1770, 11.8030 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 |
---|---|---|---|---|
Torrita di Siena | SI | 3 | 7434 | 7434 |
Sinalunga | SI | 7 | 12764 | 20198 |
Foiano della Chiana | AR | 9 | 9516 | 29714 |
Montepulciano | SI | 9 | 14097 | 43811 |
Trequanda | SI | 11 | 1254 | 45065 |
Lucignano | AR | 12 | 3581 | 48646 |
Chianciano Terme | SI | 13 | 7105 | 55751 |
Marciano della Chiana | AR | 14 | 3466 | 59217 |
Pienza | SI | 15 | 2107 | 61324 |
San Giovanni d'Asso | SI | 17 | 853 | 62177 |
Monte San Savino | AR | 18 | 8743 | 70920 |
Cortona | AR | 19 | 22450 | 93370 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1986-05-03 03:46:14 |
43.177 | 11.803 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 26359 |
Field | Value |
---|---|
Time (UTC) | 1986-05-03 03:46:14 ± 0.531 |
Latitude | 43.1770 ± 0.0335 |
Longitude | 11.8030 ± 0.0446 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 26359 |
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) | 5192.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 200 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.7 |
Epicentral distance of station closest to the epicenter (degree) | 0.00405 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01117 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 26359 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:28:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1986-05-03T03:46:36.34 | 10.0 | undecidable | manual | PN | 315 | 1.2432 | -0.84 | 0.8 | |
--.PS9.Z. | 1986-05-03T03:46:35.86 | 10.0 | undecidable | manual | PN | 300 | 1.0656 | 0.97 | 0.7 | |
--.CRE.Z. | 1986-05-03T03:46:31.50 | 10.0 | undecidable | manual | SG | 13 | 0.444 | 0.89 | 0.6 | |
--.ASS.Z. | 1986-05-03T03:46:27.00 | 10.0 | undecidable | manual | PG | 100 | 0.6327 | 0.16 | 1.8 | |
--.CRE.Z. | 1986-05-03T03:46:22.80 | 10.0 | undecidable | manual | PG | 13 | 0.444 | -0.82 | 1.1 |