A magnitude Md 2.5 earthquake occured in region: 4 km W Buonconvento (SI), on
and geographic coordinates (lat, lon) 43.1290, 11.4380 at 13 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 |
---|---|---|---|---|
Buonconvento | SI | 4 | 3173 | 3173 |
Murlo | SI | 6 | 2389 | 5562 |
Montalcino | SI | 9 | 5093 | 10655 |
Monteroni d'Arbia | SI | 12 | 9088 | 19743 |
San Giovanni d'Asso | SI | 13 | 853 | 20596 |
Asciano | SI | 16 | 7118 | 27714 |
San Quirico d'Orcia | SI | 16 | 2662 | 30376 |
Civitella Paganico | GR | 20 | 3154 | 33530 |
Trequanda | SI | 20 | 1254 | 34784 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1989-03-29 02:14:02 |
43.129 | 11.438 | 13 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 89109 |
Field | Value |
---|---|
Time (UTC) | 1989-03-29 02:14:02 ± 0.319 |
Latitude | 43.1290 ± 0.0149 |
Longitude | 11.4380 ± 0.0340 |
Depth (km) | 13 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 89109 |
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) | 3219.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
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) | 0.00550 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00996 |
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 | 4 |
Type of magnitude | Md |
Reference to an origin | 89109 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:23:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1989-03-29T02:14:33.00 | 10.0 | undecidable | manual | SG | 94 | 0.8769 | 0.13 | 0.8 | |
--.SFI.Z. | 1989-03-29T02:14:31.41 | 10.0 | undecidable | manual | SG | 21 | 0.8214 | 0.44 | 0.7 | |
--.MAO.Z. | 1989-03-29T02:14:29.10 | 10.0 | undecidable | manual | SG | 196 | 0.7326 | 0.86 | 0.4 | |
--.PGD.Z. | 1989-03-29T02:14:29.18 | 10.0 | undecidable | manual | SG | 15 | 0.7659 | 0.03 | 0.8 | |
--.BDI.Z. | 1989-03-29T02:14:23.40 | 10.0 | undecidable | manual | PN | 327 | 1.11 | -0.01 | 1.8 | |
--.CRE.Z. | 1989-03-29T02:14:22.50 | 10.0 | undecidable | manual | SG | 37 | 0.6105 | -1.59 | 0.1 | |
--.ASS.Z. | 1989-03-29T02:14:20.50 | 10.0 | undecidable | manual | PG | 94 | 0.8769 | 0.51 | 1.6 | |
--.SFI.Z. | 1989-03-29T02:14:19.94 | 10.0 | undecidable | manual | PG | 21 | 0.8214 | 1.04 | 0.7 | |
--.PGD.Z. | 1989-03-29T02:14:17.96 | 10.0 | undecidable | manual | PG | 15 | 0.7659 | 0.12 | 2.1 | |
--.MAO.Z. | 1989-03-29T02:14:16.46 | 10.0 | undecidable | manual | PG | 196 | 0.7326 | -0.81 | 1.1 | |
--.CRE.Z. | 1989-03-29T02:14:14.00 | 10.0 | undecidable | manual | PG | 37 | 0.6105 | -0.92 | 0.9 |