A magnitude ML 1.6 earthquake occured in region: 1 km E Murlo (SI), on
and geographic coordinates (lat, lon) 43.1680, 11.4010 at 2 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 |
---|---|---|---|---|
Murlo | SI | 1 | 2389 | 2389 |
Monteroni d'Arbia | SI | 7 | 9088 | 11477 |
Buonconvento | SI | 7 | 3173 | 14650 |
Montalcino | SI | 14 | 5093 | 19743 |
Asciano | SI | 15 | 7118 | 26861 |
San Giovanni d'Asso | SI | 16 | 853 | 27714 |
Siena | SI | 18 | 53903 | 81617 |
Monticiano | SI | 18 | 1571 | 83188 |
Sovicille | SI | 19 | 10116 | 93304 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.7
ML 1.6 |
2007-02-21 15:04:05 |
43.168 | 11.401 | 2 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 615809 |
Field | Value |
---|---|
Time (UTC) | 2007-02-21 15:04:05 ± 0.27 |
Latitude | 43.1680 ± 0.0099 |
Longitude | 11.4010 ± 0.0222 |
Depth (km) | 2 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 615809 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2000 |
Semi-minor axis of confidence ellipse (meter) | 1057 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 270 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2109.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 185 |
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) | 0.59 |
Epicentral distance of station closest to the epicenter (degree) | 0.31117 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32016 |
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 | 1.6 |
Uncertainty | 0.5 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 615809 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 11:44:34 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 615809 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 11:44:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HHZ. | 2007-02-21T15:04:17.85 | 0.1 | undecidable | manual | Sg | 170 | 35.5422 | -0.504 | 47 | |
IV.GRFL.SHZ. | 2007-02-21T15:04:17.73 | 0.1 | undecidable | manual | Sg | 266 | 34.5432 | -0.257 | 49 | |
IV.CSNT.BHE. | 2007-02-21T15:04:17.65 | 0.1 | undecidable | manual | Sg | 345 | 35.0427 | -0.513 | 46 | |
IV.GRFL.SHZ. | 2007-02-21T15:04:13.16 | 0.1 | undecidable | manual | Pg | 266 | 34.5432 | 0.242 | 99 | |
IV.CSNT.BHE. | 2007-02-21T15:04:13.20 | 0.1 | undecidable | manual | Pg | 345 | 35.0427 | 0.181 | 100 | |
IV.ARCI.HHZ. | 2007-02-21T15:04:13.31 | 0.1 | undecidable | manual | Pg | 170 | 35.5422 | 0.178 | 100 |