A magnitude ML 4.2 earthquake occured in region: Libya [Sea], on
and geographic coordinates (lat, lon) 34.7810, 18.7250 at 12 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.
No Italian municipalities within 20 km distance.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 4.2 | 2005-10-18 21:01:42 |
34.781 | 18.725 | 13 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 538199 |
Field | Value |
---|---|
Time (UTC) | 2005-10-18 21:01:42 ± 0.77 |
Latitude | 34.7810 ± 0.0782 |
Longitude | 18.7250 ± 0.0591 |
Depth (km) | 13 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 538199 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 9105 |
Semi-minor axis of confidence ellipse (meter) | 4737 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 20 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 10239.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 340 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.51 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 4.68097 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 4.2 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 538199 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 10:23:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.AGST.EHZ. | 2005-10-18T21:03:27.96 | 0.3 | undecidable | manual | Sg | 312 | 416.7717 | -0.599 | 32 | |
IV.TR9.SHE. | 2005-10-18T21:03:26.21 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.HAVL.BHE. | 2005-10-18T21:03:26.29 | 0.3 | undecidable | manual | Sg | 308 | 403.8957 | 0.568 | 33 | |
IV.VCEL.EHE. | 2005-10-18T21:03:23.95 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.LCI.SHZ. | 2005-10-18T21:03:03.54 | 10.0 | undecidable | manual | Pn | 0 | 0 | 0 | ||
IV.IVPL.BHZ. | 2005-10-18T21:02:55.31 | 0.1 | undecidable | manual | Pn | 321 | 519.591 | 0.519 | 73 | |
IV.MSRU.BHZ. | 2005-10-18T21:02:50.74 | 0.3 | undecidable | manual | Pn | 324 | 480.852 | 0.744 | 54 | |
MN.CEL.HHZ. | 2005-10-18T21:02:47.35 | 0.3 | undecidable | manual | Pn | 328 | 460.8942 | -0.177 | 66 | |
IV.MTTG.SHZ. | 2005-10-18T21:02:45.70 | 0.1 | undecidable | manual | Pn | 324 | 447.7185 | -0.2 | 90 | |
IV.SOI.EHZ. | 2005-10-18T21:02:44.22 | 0.1 | undecidable | manual | Pn | 328 | 435.8304 | -0.215 | 92 | |
IV.SSY.BHN. | 2005-10-18T21:02:42.58 | 0.1 | undecidable | manual | Pn | 310 | 420.357 | 0.055 | 97 | |
IV.AGST.EHZ. | 2005-10-18T21:02:41.66 | 0.1 | undecidable | manual | Pn | 312 | 416.7717 | -0.414 | 91 | |
IV.HAVL.BHE. | 2005-10-18T21:02:40.53 | 0.1 | undecidable | manual | Pn | 308 | 403.8957 | 0.056 | 100 |