A magnitude Md 2.3 earthquake occured in region: 5 km SE Troina (EN), on
and geographic coordinates (lat, lon) 37.7550, 14.6410 at 17 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 |
---|---|---|---|---|
Troina | EN | 5 | 9373 | 9373 |
Gagliano Castelferrato | EN | 10 | 3593 | 12966 |
Regalbuto | EN | 11 | 7277 | 20243 |
San Teodoro | ME | 12 | 1403 | 21646 |
CesarĂ² | ME | 12 | 2439 | 24085 |
Cerami | EN | 13 | 2006 | 26091 |
Agira | EN | 15 | 8345 | 34436 |
Centuripe | EN | 17 | 5470 | 39906 |
Bronte | CT | 17 | 19172 | 59078 |
Capizzi | ME | 18 | 3176 | 62254 |
Maniace | CT | 19 | 3765 | 66019 |
Adrano | CT | 20 | 36122 | 102141 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 2.4 |
1991-08-04 05:38:30 |
37.755 | 14.641 | 17 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 146829 |
Field | Value |
---|---|
Time (UTC) | 1991-08-04 05:38:30 ± 0.318 |
Latitude | 37.7550 ± 0.0356 |
Longitude | 14.6410 ± 0.0449 |
Depth (km) | 17 ± 8 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 146829 |
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) | 5589.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 129 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00478 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01684 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 146829 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:17:02 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 146829 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MO9.Z. | 1991-08-04T05:39:01.50 | 10.0 | undecidable | manual | SN | 72 | 0.8658 | 1.23 | 0.1 | |
--.CZI.Z. | 1991-08-04T05:39:00.32 | 10.0 | undecidable | manual | PN | 37 | 1.8648 | -1.17 | 0.2 | |
--.PZI.Z. | 1991-08-04T05:38:57.13 | 10.0 | undecidable | manual | SG | 160 | 0.7326 | 0.85 | 0.4 | |
--.AU9.Z. | 1991-08-04T05:38:54.65 | 10.0 | undecidable | manual | SG | 136 | 0.6771 | 0.28 | 0.7 | |
--.MEU.Z. | 1991-08-04T05:38:53.48 | 10.0 | undecidable | manual | SG | 166 | 0.6549 | -0.28 | 0.6 | |
--.SOI.Z. | 1991-08-04T05:38:52.11 | 10.0 | undecidable | manual | PN | 73 | 1.1544 | 0.4 | 1.3 | |
--.GIB.Z. | 1991-08-04T05:38:49.24 | 10.0 | undecidable | manual | SG | 295 | 0.5328 | -0.61 | 0.5 | |
--.MO9.Z. | 1991-08-04T05:38:47.50 | 10.0 | undecidable | manual | PN | 72 | 0.8658 | -0.19 | 1.9 | |
--.PZI.Z. | 1991-08-04T05:38:45.18 | 10.0 | undecidable | manual | PG | 160 | 0.7326 | -0.21 | 1.8 | |
--.AU9.Z. | 1991-08-04T05:38:44.16 | 10.0 | undecidable | manual | PG | 136 | 0.6771 | -0.13 | 1.9 | |
--.MEU.Z. | 1991-08-04T05:38:43.85 | 10.0 | undecidable | manual | PG | 166 | 0.6549 | -0.08 | 1.9 | |
--.GIB.Z. | 1991-08-04T05:38:42.54 | 10.0 | undecidable | manual | PG | 295 | 0.5328 | 0.87 | 0.8 |