A magnitude ML 2.0 earthquake occured in region: 3 km E Barrafranca (EN), on
and geographic coordinates (lat, lon) 37.3810, 14.2370 at 51 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 |
---|---|---|---|---|
Barrafranca | EN | 3 | 13380 | 13380 |
Mazzarino | CL | 9 | 12145 | 25525 |
Pietraperzia | EN | 10 | 7013 | 32538 |
Piazza Armerina | EN | 12 | 21886 | 54424 |
San Cono | CT | 15 | 2697 | 57121 |
Riesi | CL | 17 | 11586 | 68707 |
Valguarnera Caropepe | EN | 19 | 7866 | 76573 |
Aidone | EN | 19 | 4889 | 81462 |
Mirabella Imbaccari | CT | 20 | 4912 | 86374 |
Caltanissetta | CL | 20 | 63360 | 149734 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8
ML 2.0 |
2008-04-20 20:29:12 |
37.381 | 14.237 | 51 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 686029 |
Field | Value |
---|---|
Time (UTC) | 2008-04-20 20:29:12 ± 0.49 |
Latitude | 37.3810 ± 0.0144 |
Longitude | 14.2370 ± 0.0272 |
Depth (km) | 51 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 686029 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1833 |
Semi-minor axis of confidence ellipse (meter) | 1556 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 284 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2884.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 267 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.97666 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 686029 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 13:00:08 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 686029 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 13:00:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMME.BHN. | 2008-04-20T20:29:42.99 | 0.3 | undecidable | manual | Sg | 55 | 108.4137 | -0.386 | 63 | |
IV.SSY.BHN. | 2008-04-20T20:29:37.53 | 0.3 | undecidable | manual | Sg | 108 | 77.8665 | 0.51 | 67 | |
IV.MMME.BHN. | 2008-04-20T20:29:30.28 | 0.3 | undecidable | manual | Pg | 55 | 108.4137 | -0.037 | 67 | |
IV.HVZN.BHZ. | 2008-04-20T20:29:30.98 | 0.1 | undecidable | manual | Sg | 118 | 47.8188 | -0.267 | 88 | |
IV.ECNV.BHE. | 2008-04-20T20:29:28.62 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.RAFF.HHZ. | 2008-04-20T20:29:27.64 | 0.3 | undecidable | manual | Sg | 148 | 20.7681 | 0.238 | 77 | |
IV.GALF.HHZ. | 2008-04-20T20:29:26.53 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SSY.BHN. | 2008-04-20T20:29:26.85 | 0.1 | undecidable | manual | Pg | 108 | 77.8665 | 0.204 | 94 | |
IV.ECNV.BHE. | 2008-04-20T20:29:23.29 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.HVZN.BHZ. | 2008-04-20T20:29:23.20 | 0.1 | undecidable | manual | Pg | 118 | 47.8188 | -0.109 | 95 | |
IV.RAFF.HHZ. | 2008-04-20T20:29:21.08 | 0.1 | undecidable | manual | Pg | 148 | 20.7681 | -0.016 | 100 |