A magnitude Md 2.5 earthquake occured in region: 11 km SW Bronte (CT), on
and geographic coordinates (lat, lon) 37.7310, 14.7350 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 |
---|---|---|---|---|
Bronte | CT | 11 | 19172 | 19172 |
Adrano | CT | 12 | 36122 | 55294 |
Regalbuto | EN | 12 | 7277 | 62571 |
Centuripe | EN | 12 | 5470 | 68041 |
CesarĂ² | ME | 13 | 2439 | 70480 |
Troina | EN | 13 | 9373 | 79853 |
San Teodoro | ME | 14 | 1403 | 81256 |
Biancavilla | CT | 15 | 24007 | 105263 |
Maletto | CT | 16 | 3920 | 109183 |
Maniace | CT | 16 | 3765 | 112948 |
Gagliano Castelferrato | EN | 18 | 3593 | 116541 |
Catenanuova | EN | 18 | 4866 | 121407 |
Santa Maria di Licodia | CT | 19 | 7641 | 129048 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1989-04-20 00:54:02 |
37.731 | 14.735 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 90189 |
Field | Value |
---|---|
Time (UTC) | 1989-04-20 00:54:02 ± 0.146 |
Latitude | 37.7310 ± 0.0070 |
Longitude | 14.7350 ± 0.0185 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 90189 |
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) | 1807.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00178 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00979 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 90189 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:24:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SOI.Z. | 1989-04-20T00:54:39.88 | 10.0 | undecidable | manual | SN | 71 | 1.0878 | 0.4 | 0.1 | |
--.PZI.Z. | 1989-04-20T00:54:27.47 | 10.0 | undecidable | manual | SG | 165 | 0.6882 | 0.27 | 0.3 | |
--.MEU.Z. | 1989-04-20T00:54:25.39 | 10.0 | undecidable | manual | SG | 172 | 0.6216 | 0.49 | 0.1 | |
--.SOI.Z. | 1989-04-20T00:54:23.49 | 10.0 | undecidable | manual | PN | 71 | 1.0878 | -0.55 | 0.1 | |
--.MO9.Z. | 1989-04-20T00:54:19.40 | 10.0 | positive | manual | PG | 69 | 0.7992 | 0.1 | 2.1 | |
--.PZI.Z. | 1989-04-20T00:54:16.92 | 10.0 | positive | manual | PG | 165 | 0.6882 | -0.03 | 2.4 | |
--.MEU.Z. | 1989-04-20T00:54:15.37 | 10.0 | undecidable | manual | PG | 172 | 0.6216 | -0.25 | 0.7 | |
--.MNO.Z. | 1989-04-20T00:54:07.94 | 10.0 | negative | manual | PG | 351 | 0.1998 | 0.1 | 2.2 |