A magnitude ML 1.6 earthquake occured in region: 11 km SW Roccastrada (GR), on
and geographic coordinates (lat, lon) 42.9400, 11.0830 at 8 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 |
---|---|---|---|---|
Roccastrada | GR | 11 | 9199 | 9199 |
Gavorrano | GR | 14 | 8580 | 17779 |
Campagnatico | GR | 17 | 2412 | 20191 |
Civitella Paganico | GR | 17 | 3154 | 23345 |
Scarlino | GR | 19 | 3847 | 27192 |
Grosseto | GR | 20 | 82087 | 109279 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.7
ML 1.6 |
2011-08-09 20:37:40 |
42.94 | 11.083 | 8 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1270349 |
Field | Value |
---|---|
Time (UTC) | 2011-08-09 20:37:40 ± 0.14 |
Latitude | 42.9400 ± 0.0081 |
Longitude | 11.0830 ± 0.0086 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1270349 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 765 |
Semi-minor axis of confidence ellipse (meter) | 403 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 197 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1140.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.51 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.66820 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1270349 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:04:44 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1270349 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:04:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHE. | 2011-08-09T20:38:03.16 | 0.3 | undecidable | manual | Sg | 253 | 74.1702 | -0.405 | 68 | |
IV.MCIV.HHN. | 2011-08-09T20:37:56.84 | 0.3 | undecidable | manual | Sg | 110 | 51.4152 | -0.654 | 65 | |
IV.CELB.HHE. | 2011-08-09T20:37:54.52 | 0.3 | undecidable | manual | Pg | 253 | 74.1702 | 0.656 | 62 | |
IV.ARCI.HHZ. | 2011-08-09T20:37:52.25 | 0.1 | undecidable | manual | Sg | 107 | 33.3444 | -0.267 | 100 | |
IV.FROS.HHZ. | 2011-08-09T20:37:51.16 | 0.3 | undecidable | manual | Sg | 11 | 30.4473 | -0.406 | 73 | |
IV.MCIV.HHN. | 2011-08-09T20:37:50.90 | 0.3 | undecidable | manual | Pg | 110 | 51.4152 | 0.531 | 68 | |
IV.TRIF.HHZ. | 2011-08-09T20:37:49.08 | 0.3 | undecidable | manual | Sg | 323 | 24.2535 | -0.423 | 74 | |
IV.SASS.HHZ. | 2011-08-09T20:37:49.80 | 0.3 | undecidable | manual | Pg | 318 | 47.5191 | 0.031 | 77 | |
IV.CASP.HHN. | 2011-08-09T20:37:49.13 | 0.3 | undecidable | manual | Sg | 227 | 24.2535 | -0.359 | 75 | |
IV.DGI.HHZ. | 2011-08-09T20:37:49.29 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FROS.HHZ. | 2011-08-09T20:37:47.38 | 0.1 | undecidable | manual | Pg | 11 | 30.4473 | 0.443 | 97 | |
IV.ARCI.HHZ. | 2011-08-09T20:37:47.89 | 0.3 | undecidable | manual | Pg | 107 | 33.3444 | 0.4 | 73 | |
IV.TRIF.HHZ. | 2011-08-09T20:37:45.98 | 0.3 | undecidable | manual | Pg | 323 | 24.2535 | 0.227 | 77 | |
IV.CASP.HHN. | 2011-08-09T20:37:45.98 | 0.3 | undecidable | manual | Pg | 227 | 24.2535 | 0.232 | 77 |