A magnitude M 3.5 earthquake occured in region: Mar Ionio Meridionale (MARE), on
and geographic coordinates (lat, lon) 37.7720, 20.3460 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 |
M 3.5 | 1995-01-01 17:21:30 |
37.772 | 20.346 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 221839 |
Field | Value |
---|---|
Time (UTC) | 1995-01-01 17:21:30 ± 0.78 |
Latitude | 37.7720 ± 0.0555 |
Longitude | 20.3460 ± 0.0558 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 221839 |
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) | 7878.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 220 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.7 |
Epicentral distance of station closest to the epicenter (degree) | 0.00397 |
Epicentral distance of station farthest from the epicenter (degree) | 0.07884 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 3.5 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 221839 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:54:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PTJ.Z. | 1995-01-01T17:23:33.60 | 10.0 | undecidable | manual | PN | 339 | 8.7468 | -2.73 | 0 | |
--.BRT.Z. | 1995-01-01T17:23:14.00 | 10.0 | undecidable | manual | SN | 322 | 3.9516 | -0.79 | 0.5 | |
--.SDI.Z. | 1995-01-01T17:23:04.50 | 10.0 | undecidable | manual | PN | 310 | 6.3714 | 0.83 | 0.9 | |
--.LCI.Z. | 1995-01-01T17:22:54.91 | 10.0 | undecidable | manual | SN | 326 | 3.0858 | 0.88 | 0.5 | |
--.CA9.Z. | 1995-01-01T17:22:44.00 | 10.0 | undecidable | manual | PN | 311 | 4.9062 | 0.46 | 1.3 | |
--.MU9.Z. | 1995-01-01T17:22:42.50 | 10.0 | undecidable | manual | PN | 310 | 4.7841 | 0.51 | 1.3 | |
--.SGO.Z. | 1995-01-01T17:22:42.00 | 10.0 | undecidable | manual | PN | 307 | 4.7841 | 0.08 | 1.5 | |
--.MGR.Z. | 1995-01-01T17:22:36.00 | 10.0 | undecidable | manual | PN | 304 | 4.4067 | -0.63 | 1.3 | |
--.SKO.Z. | 1995-01-01T17:22:35.00 | 10.0 | undecidable | manual | PN | 11 | 4.2624 | 0.16 | 1.6 | |
--.PZI.Z. | 1995-01-01T17:22:34.50 | 10.0 | undecidable | manual | PN | 262 | 4.3401 | -1.23 | 0.8 | |
--.BRT.Z. | 1995-01-01T17:22:30.50 | 10.0 | undecidable | manual | PN | 322 | 3.9516 | -0.02 | 1.6 | |
--.ORI.Z. | 1995-01-01T17:22:29.50 | 10.0 | undecidable | manual | PN | 308 | 3.7851 | 1.33 | 0.7 | |
--.ATN.Z. | 1995-01-01T17:22:29.17 | 10.0 | undecidable | manual | PN | 277 | 3.8517 | 0 | 1.6 | |
--.MO9.Z. | 1995-01-01T17:22:26.00 | 10.0 | undecidable | manual | PN | 275 | 3.663 | -0.55 | 1.4 | |
--.PLG.Z. | 1995-01-01T17:22:26.30 | 10.0 | undecidable | manual | PN | 41 | 3.5298 | 1.6 | 0.5 | |
--.OHR.Z. | 1995-01-01T17:22:22.00 | 10.0 | undecidable | manual | PN | 5 | 3.3522 | -0.14 | 1.6 | |
--.SOI.Z. | 1995-01-01T17:22:22.96 | 10.0 | undecidable | manual | PN | 276 | 3.3855 | 0.25 | 1.6 | |
--.LCI.Z. | 1995-01-01T17:22:20.10 | 10.0 | undecidable | manual | PN | 326 | 3.0858 | 1.48 | 0.6 | |
--.TPE.Z. | 1995-01-01T17:22:06.50 | 10.0 | undecidable | manual | PN! | 353 | 2.4087 | -2.74 | 0 | |
--.VLS.Z. | 1995-01-01T17:21:38.00 | 10.0 | undecidable | manual | PG | 25 | 0.444 | -1.44 | 0.6 |