A magnitude Md 2.3 earthquake occured in region: 3 km NW Sortino (SR), on
and geographic coordinates (lat, lon) 37.1890, 15.0210 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 |
---|---|---|---|---|
Sortino | SR | 3 | 8690 | 8690 |
Melilli | SR | 10 | 13621 | 22311 |
Carlentini | SR | 10 | 17798 | 40109 |
Ferla | SR | 10 | 2523 | 42632 |
Lentini | SR | 11 | 24085 | 66717 |
Cassaro | SR | 11 | 821 | 67538 |
Solarino | SR | 13 | 8091 | 75629 |
Francofonte | SR | 13 | 12800 | 88429 |
Priolo Gargallo | SR | 15 | 12091 | 100520 |
Buccheri | SR | 17 | 1999 | 102519 |
Buscemi | SR | 17 | 1051 | 103570 |
Floridia | SR | 17 | 22762 | 126332 |
Palazzolo Acreide | SR | 17 | 8808 | 135140 |
Canicattini Bagni | SR | 17 | 7109 | 142249 |
Augusta | SR | 18 | 36305 | 178554 |
Scordia | CT | 20 | 17095 | 195649 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.8 |
1987-07-08 06:36:39 |
37.189 | 15.021 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 51339 |
Field | Value |
---|---|
Time (UTC) | 1987-07-08 06:36:39 ± 0.666 |
Latitude | 37.1890 ± 0.0352 |
Longitude | 15.0210 ± 0.0578 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 51339 |
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) | 6442.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 184 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00130 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00923 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 51339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:49:47 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 51339 |
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. | 1987-07-08T06:37:01.10 | 10.0 | undecidable | manual | PG | 19 | 1.0212 | 0.55 | 0.4 | |
--.MEU.Z. | 1987-07-08T06:36:47.63 | 10.0 | undecidable | manual | SG | 242 | 0.1665 | 1.03 | 0.1 | |
--.PZI.Z. | 1987-07-08T06:36:46.82 | 10.0 | undecidable | manual | SG | 203 | 0.1443 | 1.13 | 0.1 | |
--.MEU.Z. | 1987-07-08T06:36:43.26 | 10.0 | negative | manual | PG | 242 | 0.1665 | -0.47 | 2 | |
--.PZI.Z. | 1987-07-08T06:36:42.86 | 10.0 | negative | manual | PG | 203 | 0.1443 | -0.34 | 2.4 |