A magnitude Md 2.4 earthquake occured in region: 6 km N Regalbuto (EN), on
and geographic coordinates (lat, lon) 37.7020, 14.6560 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 | 6 | 7277 | 7277 |
Troina | EN | 11 | 9373 | 16650 |
Gagliano Castelferrato | EN | 11 | 3593 | 20243 |
Centuripe | EN | 12 | 5470 | 25713 |
Agira | EN | 13 | 8345 | 34058 |
Catenanuova | EN | 15 | 4866 | 38924 |
Adrano | CT | 16 | 36122 | 75046 |
CesarĂ² | ME | 17 | 2439 | 77485 |
San Teodoro | ME | 17 | 1403 | 78888 |
Cerami | EN | 18 | 2006 | 80894 |
Bronte | CT | 18 | 19172 | 100066 |
Nissoria | EN | 19 | 3000 | 103066 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-01-31 17:35:36 |
37.702 | 14.656 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 40079 |
Field | Value |
---|---|
Time (UTC) | 1987-01-31 17:35:36 ± 0.299 |
Latitude | 37.7020 ± 0.0173 |
Longitude | 14.6560 ± 0.0374 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 40079 |
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) | 3814.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
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) | 0.00202 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00567 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 40079 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:40:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ML9.Z. | 1987-01-31T17:35:58.50 | 10.0 | undecidable | manual | SG | 159 | 0.6327 | 0.37 | 0.6 | |
--.GIB.Z. | 1987-01-31T17:35:57.00 | 10.0 | undecidable | manual | SG | 300 | 0.5661 | 0.69 | 0.4 | |
--.ML9.Z. | 1987-01-31T17:35:48.50 | 10.0 | undecidable | manual | PG | 159 | 0.6327 | -0.27 | 1.5 | |
--.GIB.Z. | 1987-01-31T17:35:47.00 | 10.0 | undecidable | manual | PG | 300 | 0.5661 | -0.73 | 1 | |
--.MS9.Z. | 1987-01-31T17:35:46.50 | 10.0 | undecidable | manual | SG | 7 | 0.222 | 1.18 | 0.3 | |
--.MS9.Z. | 1987-01-31T17:35:40.70 | 10.0 | positive | manual | PG | 7 | 0.222 | -0.68 | 2.3 |