A magnitude ML 2.2 earthquake occured in region: 4 km NW Montieri (GR), on
and geographic coordinates (lat, lon) 43.1640, 11.0020 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 | 4 | 1204 | 1204 |
Chiusdino | SI | 7 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 9 | 2231 | 5338 |
Radicondoli | SI | 11 | 914 | 6252 |
Monterotondo Marittimo | GR | 12 | 1371 | 7623 |
Monticiano | SI | 15 | 1571 | 9194 |
Massa Marittima | GR | 16 | 8375 | 17569 |
Pomarance | PI | 18 | 5897 | 23466 |
Casole d'Elsa | SI | 20 | 3897 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML 2.2 |
2009-10-21 19:44:44 |
43.164 | 11.002 | 10 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 981939 |
Field | Value |
---|---|
Time (UTC) | 2009-10-21 19:44:44 ± 0.18 |
Latitude | 43.1640 ± 0.0117 |
Longitude | 11.0020 ± 0.0247 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 981939 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2172 |
Semi-minor axis of confidence ellipse (meter) | 925 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 295 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2385.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.53 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.88853 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 981939 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 18:47:17 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 981939 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 18:47:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VMG.SHZ. | 2009-10-21T19:45:12.92 | 0.6 | undecidable | manual | Sg | 26 | 98.6235 | -0.25 | 41 | |
IV.CRE.HHN. | 2009-10-21T19:45:10.70 | 0.1 | undecidable | manual | Sg | 56 | 91.7415 | -0.611 | 75 | |
IV.SEI.SHZ. | 2009-10-21T19:45:08.18 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.VMG.SHZ. | 2009-10-21T19:45:01.61 | 0.1 | undecidable | manual | Pg | 26 | 98.6235 | 0.737 | 70 | |
IV.MGAB.HHE. | 2009-10-21T19:45:00.04 | 0.1 | undecidable | manual | Pg | 107 | 94.239 | -0.147 | 84 | |
IV.CRE.HHN. | 2009-10-21T19:45:00.48 | 0.1 | undecidable | manual | Pg | 56 | 91.7415 | 0.677 | 73 | |
IV.CASP.HHE. | 2009-10-21T19:44:58.13 | 0.1 | undecidable | manual | Sg | 195 | 42.8238 | -0.138 | 92 | |
IV.PII.SHZ. | 2009-10-21T19:44:56.58 | 0.1 | undecidable | manual | Pg | 328 | 72.8715 | -0.325 | 84 | |
GU.RORO.HHN. | 2009-10-21T19:44:52.97 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.CASP.HHE. | 2009-10-21T19:44:52.51 | 0.1 | undecidable | manual | Pg | 195 | 42.8238 | 0.239 | 90 | |
IV.GRFL.SHZ. | 2009-10-21T19:44:47.40 | 0.6 | undecidable | manual | Sg | 230 | 2.7972 | -0.171 | 49 | |
IV.GRFL.SHZ. | 2009-10-21T19:44:46.01 | 0.1 | undecidable | manual | Pg | 230 | 2.7972 | -0.083 | 100 |