A magnitude Md 3.5 earthquake occured in region: Libya [Sea], on
and geographic coordinates (lat, lon) 33.8630, 14.8080 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.
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 |
Md 3.5
ML-VAX 3.8 |
1997-08-23 21:17:54 |
33.863 | 14.808 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 276299 |
Field | Value |
---|---|
Time (UTC) | 1997-08-23 21:17:54 ± 1.131 |
Latitude | 33.8630 ± 0.0760 |
Longitude | 14.8080 ± 0.1142 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 276299 |
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) | 13511.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 323 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.8 |
Epicentral distance of station closest to the epicenter (degree) | 0.02874 |
Epicentral distance of station farthest from the epicenter (degree) | 0.05666 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 3.5 |
Uncertainty | |
Num. used stations | 11 |
Type of magnitude | Md |
Reference to an origin | 276299 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:21:02 |
Field | Value |
---|---|
Value | 3.8 |
Uncertainty | |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 276299 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.GRI.Z. | 1997-08-23T21:20:07.26 | 10.0 | undecidable | manual | SN | 14 | 5.1171 | 0.8 | 0.5 | |
--.MNO.Z. | 1997-08-23T21:19:44.26 | 10.0 | undecidable | manual | SN! | 358 | 4.0626 | 2.88 | 0 | |
--.GIB.Z. | 1997-08-23T21:19:42.23 | 10.0 | undecidable | manual | SN | 351 | 4.1625 | -1.62 | 0.2 | |
--.CS9.Z. | 1997-08-23T21:19:40.80 | 10.0 | undecidable | manual | SN! | 351 | 4.107 | -2.41 | 0 | |
--.MGR.Z. | 1997-08-23T21:19:26.55 | 10.0 | undecidable | manual | PN | 5 | 6.2937 | -0.13 | 1.5 | |
--.MEU.Z. | 1997-08-23T21:19:21.77 | 10.0 | undecidable | manual | SN | 0 | 3.2301 | -0.05 | 0.7 | |
--.PZI.Z. | 1997-08-23T21:19:21.45 | 10.0 | undecidable | manual | SN | 2 | 3.1857 | 0.91 | 0.5 | |
--.GRI.Z. | 1997-08-23T21:19:12.29 | 10.0 | undecidable | manual | PN | 14 | 5.1171 | 1.75 | 0.3 | |
--.SA1.Z. | 1997-08-23T21:19:03.56 | 10.0 | undecidable | manual | PN | 0 | 4.6953 | -1.12 | 0.9 | |
--.SC9.Z. | 1997-08-23T21:19:02.26 | 10.0 | undecidable | manual | PN | 9 | 4.4511 | 0.94 | 1.1 | |
--.ERC.Z. | 1997-08-23T21:19:02.47 | 10.0 | undecidable | manual | PN | 337 | 4.5399 | -0.09 | 1.8 | |
--.MO9.Z. | 1997-08-23T21:19:01.90 | 10.0 | undecidable | manual | PN! | 9 | 4.1847 | 4.06 | 0 | |
--.ATN.Z. | 1997-08-23T21:18:59.31 | 10.0 | undecidable | manual | PN | 6 | 4.3179 | -0.27 | 1.7 | |
--.SOI.Z. | 1997-08-23T21:18:58.37 | 10.0 | negative | manual | PN | 13 | 4.3179 | -1.23 | 1.6 | |
--.GIB.Z. | 1997-08-23T21:18:58.53 | 10.0 | undecidable | manual | PN | 351 | 4.1625 | 1.05 | 1 | |
--.CS9.Z. | 1997-08-23T21:18:57.51 | 10.0 | undecidable | manual | PN | 351 | 4.107 | 0.81 | 1.3 | |
--.MNO.Z. | 1997-08-23T21:18:56.86 | 10.0 | undecidable | manual | PN | 358 | 4.0626 | 0.8 | 1.3 | |
--.MEU.Z. | 1997-08-23T21:18:44.67 | 10.0 | undecidable | manual | PN | 0 | 3.2301 | -0.09 | 1.8 | |
--.PZI.Z. | 1997-08-23T21:18:42.79 | 10.0 | undecidable | manual | PN | 2 | 3.1857 | -1.24 | 0.8 |