A magnitude Md 2.2 earthquake occured in region: 1 km N Montieri (GR), on
and geographic coordinates (lat, lon) 43.1400, 11.0160 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 |
---|---|---|---|---|
Montieri | GR | 1 | 1204 | 1204 |
Chiusdino | SI | 6 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 5338 |
Monterotondo Marittimo | GR | 13 | 1371 | 6709 |
Monticiano | SI | 13 | 1571 | 8280 |
Radicondoli | SI | 14 | 914 | 9194 |
Massa Marittima | GR | 14 | 8375 | 17569 |
Roccastrada | GR | 19 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-07-14 03:14:50 |
43.14 | 11.016 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 52099 |
Field | Value |
---|---|
Time (UTC) | 1987-07-14 03:14:50 ± 0.188 |
Latitude | 43.1400 ± 0.0083 |
Longitude | 11.0160 ± 0.0256 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 52099 |
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) | 2270.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 169 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00656 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00866 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 52099 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:50:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PGD.Z. | 1987-07-14T03:15:21.50 | 10.0 | undecidable | manual | SG | 34 | 0.888 | -0.02 | 0.6 | |
--.CRE.Z. | 1987-07-14T03:15:19.23 | 10.0 | undecidable | manual | SG | 54 | 0.8214 | -0.25 | 0.3 | |
--.MAO.Z. | 1987-07-14T03:15:16.35 | 10.0 | undecidable | manual | SG | 172 | 0.7326 | 0.12 | 0.8 | |
--.BDI.Z. | 1987-07-14T03:15:10.00 | 10.0 | undecidable | manual | PG | 342 | 0.9657 | 0.04 | 1.8 | |
--.PGD.Z. | 1987-07-14T03:15:08.40 | 10.0 | undecidable | manual | PG | 34 | 0.888 | -0.17 | 1.4 | |
--.CRE.Z. | 1987-07-14T03:15:08.47 | 10.0 | undecidable | manual | PG | 54 | 0.8214 | 1.08 | 0.3 | |
--.MAO.Z. | 1987-07-14T03:15:05.41 | 10.0 | undecidable | manual | PG | 172 | 0.7326 | -0.11 | 1.8 |