A magnitude Md 2.4 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.3090, 15.1970 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 |
---|---|---|---|---|
Augusta | SR | 9 | 36305 | 36305 |
Melilli | SR | 16 | 13621 | 49926 |
Carlentini | SR | 16 | 17798 | 67724 |
Priolo Gargallo | SR | 17 | 12091 | 79815 |
Lentini | SR | 18 | 24085 | 103900 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.9 |
1990-12-28 06:48:37 |
37.309 | 15.197 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 133139 |
Field | Value |
---|---|
Time (UTC) | 1990-12-28 06:48:37 ± 0.422 |
Latitude | 37.3090 ± 0.0255 |
Longitude | 15.1970 ± 0.0499 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 133139 |
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) | 5249.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 204 |
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) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01093 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 133139 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:04:03 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 133139 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ATN.Z. | 1990-12-28T06:49:09.00 | 10.0 | undecidable | manual | SG | 13 | 0.8769 | 0.38 | 0.3 | |
--.FAI.Z. | 1990-12-28T06:49:01.71 | 10.0 | undecidable | manual | PN | 268 | 1.2099 | 0.51 | 0.4 | |
--.ATN.Z. | 1990-12-28T06:48:55.00 | 10.0 | undecidable | manual | PG | 13 | 0.8769 | -0.55 | 0.5 | |
--.MEU.Z. | 1990-12-28T06:48:51.20 | 10.0 | undecidable | manual | SG | 235 | 0.3552 | -0.37 | 0.4 | |
--.PZI.Z. | 1990-12-28T06:48:49.48 | 10.0 | undecidable | manual | SG | 218 | 0.3108 | -0.75 | 0.1 | |
--.PZI.Z. | 1990-12-28T06:48:45.21 | 10.0 | positive | manual | PG | 218 | 0.3108 | 0.28 | 2.4 | |
--.MEU.Z. | 1990-12-28T06:48:45.49 | 10.0 | negative | manual | PG | 235 | 0.3552 | -0.11 | 2.9 |