A magnitude Md 2.5 earthquake occured in region: Costa Catanese (Catania), on
and geographic coordinates (lat, lon) 37.7270, 15.3440 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 |
---|---|---|---|---|
Riposto | CT | 12 | 14838 | 14838 |
Mascali | CT | 14 | 14282 | 29120 |
Giardini-Naxos | ME | 14 | 9415 | 38535 |
Giarre | CT | 14 | 27659 | 66194 |
Fiumefreddo di Sicilia | CT | 14 | 9623 | 75817 |
Calatabiano | CT | 15 | 5308 | 81125 |
Taormina | ME | 15 | 10960 | 92085 |
Castelmola | ME | 16 | 1088 | 93173 |
Piedimonte Etneo | CT | 17 | 3963 | 97136 |
Letojanni | ME | 18 | 2861 | 99997 |
Sant'Alfio | CT | 18 | 1582 | 101579 |
Santa Venerina | CT | 19 | 8592 | 110171 |
Gaggi | ME | 19 | 3184 | 113355 |
Gallodoro | ME | 20 | 367 | 113722 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 2.1 |
1987-08-31 10:23:26 |
37.727 | 15.344 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 54609 |
Field | Value |
---|---|
Time (UTC) | 1987-08-31 10:23:26 ± 0.631 |
Latitude | 37.7270 ± 0.0311 |
Longitude | 15.3440 ± 0.0579 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 54609 |
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) | 6155.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
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) | 0.00397 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00664 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 54609 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:52:38 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 54609 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.PZI.Z. | 1987-08-31T10:23:54.97 | 10.0 | undecidable | manual | SG | 205 | 0.7326 | 2.38 | 0 | |
--.MNO.Z. | 1987-08-31T10:23:47.50 | 10.0 | undecidable | manual | SG | 292 | 0.5439 | 0.53 | 0.6 | |
--.PZI.Z. | 1987-08-31T10:23:41.38 | 10.0 | undecidable | manual | PG | 205 | 0.7326 | -0.34 | 1.5 | |
--.MEU.Z. | 1987-08-31T10:23:40.73 | 10.0 | undecidable | manual | PG | 213 | 0.7326 | -0.93 | 1 | |
--.MNO.Z. | 1987-08-31T10:23:37.55 | 10.0 | undecidable | manual | PG | 292 | 0.5439 | -0.66 | 1.3 | |
--.ATN.Z. | 1987-08-31T10:23:36.53 | 10.0 | undecidable | manual | PG | 12 | 0.444 | 0.38 | 1.6 |