A magnitude ML 1.5 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.1400, 15.2260 at 5 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 |
---|---|---|---|---|
Priolo Gargallo | SR | 4 | 12091 | 12091 |
Floridia | SR | 9 | 22762 | 34853 |
Melilli | SR | 10 | 13621 | 48474 |
Augusta | SR | 10 | 36305 | 84779 |
Solarino | SR | 10 | 8091 | 92870 |
Siracusa | SR | 11 | 122291 | 215161 |
Sortino | SR | 17 | 8690 | 223851 |
Canicattini Bagni | SR | 19 | 7109 | 230960 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8
ML 1.5 |
2011-04-07 11:43:00 |
37.14 | 15.226 | 5 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1193019 |
Field | Value |
---|---|
Time (UTC) | 2011-04-07 11:43:00 ± 0.47 |
Latitude | 37.1400 ± 0.0108 |
Longitude | 15.2260 ± 0.0316 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1193019 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2842 |
Semi-minor axis of confidence ellipse (meter) | 1158 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 265 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3046.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 226 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.64 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.21044 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1193019 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 23:19:12 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1193019 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 23:19:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SSFR.HHZ. | 2011-04-07T11:43:29.06 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.SSFR.HHZ. | 2011-04-07T11:43:21.35 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MTGR.SHZ. | 2011-04-07T11:43:10.31 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.HCRL.HHN. | 2011-04-07T11:43:09.61 | 0.6 | undecidable | manual | Sg | 313 | 23.3544 | 0.545 | 45 | |
IV.HAVL.HHE. | 2011-04-07T11:43:09.20 | 0.6 | undecidable | manual | Sg | 205 | 21.9669 | 0.595 | 44 | |
IV.HAGA.HHE. | 2011-04-07T11:43:07.88 | 0.6 | undecidable | manual | Sg | 339 | 17.2716 | 0.851 | 40 | |
IV.HCRL.HHN. | 2011-04-07T11:43:05.15 | 0.1 | undecidable | manual | Pg | 313 | 23.3544 | -0.415 | 93 | |
IV.SSY.HHE. | 2011-04-07T11:43:05.94 | 0.6 | undecidable | manual | Sg | 279 | 13.5753 | 0.135 | 50 | |
IV.HAVL.HHE. | 2011-04-07T11:43:05.38 | 0.1 | undecidable | manual | Pg | 205 | 21.9669 | 0.081 | 100 | |
IV.HAGA.HHE. | 2011-04-07T11:43:04.37 | 0.3 | undecidable | manual | Pg | 339 | 17.2716 | -0.017 | 77 | |
IV.SSY.HHE. | 2011-04-07T11:43:02.99 | 0.1 | undecidable | manual | Pg | 279 | 13.5753 | -0.695 | 86 | |
IV.USI.HHZ. | 2011-04-07T11:42:58.18 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |