A magnitude Md 2.5 earthquake occured in region: 8 km NE Regalbuto (EN), on
and geographic coordinates (lat, lon) 37.7080, 14.7050 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 |
---|---|---|---|---|
Regalbuto | EN | 8 | 7277 | 7277 |
Centuripe | EN | 10 | 5470 | 12747 |
Adrano | CT | 12 | 36122 | 48869 |
Troina | EN | 13 | 9373 | 58242 |
Bronte | CT | 14 | 19172 | 77414 |
Gagliano Castelferrato | EN | 15 | 3593 | 81007 |
CesarĂ² | ME | 15 | 2439 | 83446 |
Catenanuova | EN | 16 | 4866 | 88312 |
San Teodoro | ME | 16 | 1403 | 89715 |
Biancavilla | CT | 16 | 24007 | 113722 |
Agira | EN | 17 | 8345 | 122067 |
Santa Maria di Licodia | CT | 19 | 7641 | 129708 |
Maniace | CT | 20 | 3765 | 133473 |
Maletto | CT | 20 | 3920 | 137393 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1987-02-02 18:39:27 |
37.708 | 14.705 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 40339 |
Field | Value |
---|---|
Time (UTC) | 1987-02-02 18:39:27 ± 0.344 |
Latitude | 37.7080 ± 0.0204 |
Longitude | 14.7050 ± 0.0304 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 40339 |
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) | 3508.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00194 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00672 |
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 | 40339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:40:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AT9.Z. | 1987-02-02T18:39:52.00 | 10.0 | undecidable | manual | SG | 52 | 0.7437 | -1.05 | 0.3 | |
--.ML9.Z. | 1987-02-02T18:39:50.50 | 10.0 | undecidable | manual | SG | 163 | 0.6216 | 1.45 | 0.1 | |
--.GIB.Z. | 1987-02-02T18:39:49.00 | 10.0 | undecidable | manual | SG | 297 | 0.5994 | 0.55 | 0.6 | |
--.AT9.Z. | 1987-02-02T18:39:42.00 | 10.0 | undecidable | manual | PG | 52 | 0.7437 | -0.09 | 1.8 | |
--.ML9.Z. | 1987-02-02T18:39:39.50 | 10.0 | undecidable | manual | PG | 163 | 0.6216 | -0.28 | 1.9 | |
--.GIB.Z. | 1987-02-02T18:39:38.50 | 10.0 | undecidable | manual | PG | 297 | 0.5994 | -0.95 | 0.9 | |
--.MS9.Z. | 1987-02-02T18:39:37.50 | 10.0 | undecidable | manual | SG | 357 | 0.2109 | 1.3 | 0.3 | |
--.MS9.Z. | 1987-02-02T18:39:32.50 | 10.0 | undecidable | manual | PG | 357 | 0.2109 | 0.13 | 2.1 |