A magnitude Md 2.2 earthquake occured in region: 1 km NW Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2190, 10.8980 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 1 | 2231 | 2231 |
Monterotondo Marittimo | GR | 9 | 1371 | 3602 |
Pomarance | PI | 9 | 5897 | 9499 |
Radicondoli | SI | 13 | 914 | 10413 |
Montieri | GR | 14 | 1204 | 11617 |
Monteverdi Marittimo | PI | 15 | 758 | 12375 |
Chiusdino | SI | 17 | 1903 | 14278 |
Casole d'Elsa | SI | 18 | 3897 | 18175 |
Massa Marittima | GR | 19 | 8375 | 26550 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1986-10-19 10:09:49 |
43.219 | 10.898 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 36139 |
Field | Value |
---|---|
Time (UTC) | 1986-10-19 10:09:49 ± 0.407 |
Latitude | 43.2190 ± 0.0269 |
Longitude | 10.8980 ± 0.0595 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 36139 |
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) | 5674.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 165 |
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) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00510 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00777 |
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 | 4 |
Type of magnitude | Md |
Reference to an origin | 36139 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:36:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1986-10-19T10:10:20.50 | 10.0 | undecidable | manual | SG | 61 | 0.8547 | 1.59 | 0.1 | |
--.PS9.Z. | 1986-10-19T10:10:10.50 | 10.0 | undecidable | manual | SG | 331 | 0.5661 | 0.98 | 0.5 | |
--.BDI.Z. | 1986-10-19T10:10:06.00 | 10.0 | undecidable | manual | PG | 345 | 0.8658 | -0.53 | 1.3 | |
--.MAO.Z. | 1986-10-19T10:10:06.00 | 10.0 | undecidable | manual | PG | 166 | 0.8214 | 0.35 | 1.6 | |
--.CRE.Z. | 1986-10-19T10:10:05.50 | 10.0 | undecidable | manual | PG | 61 | 0.8547 | -0.89 | 0.8 | |
--.PS9.Z. | 1986-10-19T10:10:00.80 | 10.0 | undecidable | manual | PG | 331 | 0.5661 | -0.17 | 1.8 |