A magnitude ML-VAX 3.3 earthquake occured in region: Mar Ionio Meridionale (MARE), on
and geographic coordinates (lat, lon) 36.8910, 20.4770 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 |
ML-VAX 3.3 | 1997-09-02 09:29:25 |
36.891 | 20.477 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 276669 |
Field | Value |
---|---|
Time (UTC) | 1997-09-02 09:29:25 ± 1.042 |
Latitude | 36.8910 ± 0.0496 |
Longitude | 20.4770 ± 0.0830 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 276669 |
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) | 9210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 317 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.03748 |
Epicentral distance of station farthest from the epicenter (degree) | 0.04930 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 3.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 276669 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MU9.Z. | 1997-09-02T09:31:46.77 | 10.0 | undecidable | manual | SN | 313 | 5.4723 | 0.76 | 0.5 | |
--.SGO.Z. | 1997-09-02T09:31:44.12 | 10.0 | undecidable | manual | SN | 310 | 5.439 | -1.11 | 0.3 | |
--.MGR.Z. | 1997-09-02T09:31:34.43 | 10.0 | undecidable | manual | SN | 308 | 5.0172 | -0.96 | 0.4 | |
--.MEU.Z. | 1997-09-02T09:31:23.75 | 10.0 | undecidable | manual | SN | 271 | 4.5066 | 0.73 | 0.5 | |
--.PZI.Z. | 1997-09-02T09:31:21.41 | 10.0 | undecidable | manual | SN | 270 | 4.4067 | 0.61 | 0.6 | |
--.MU9.Z. | 1997-09-02T09:30:48.24 | 10.0 | undecidable | manual | PN | 313 | 5.4723 | 1.7 | 0.3 | |
--.SGO.Z. | 1997-09-02T09:30:46.36 | 10.0 | undecidable | manual | PN | 310 | 5.439 | 0.28 | 1.9 | |
--.MGR.Z. | 1997-09-02T09:30:39.50 | 10.0 | undecidable | manual | PN | 308 | 5.0172 | -0.9 | 0.9 | |
--.MEU.Z. | 1997-09-02T09:30:32.93 | 10.0 | undecidable | manual | PN | 271 | 4.5066 | -0.33 | 1.8 | |
--.PZI.Z. | 1997-09-02T09:30:31.58 | 10.0 | undecidable | manual | PN | 270 | 4.4067 | -0.4 | 1.7 | |
--.ATN.Z. | 1997-09-02T09:30:28.82 | 10.0 | undecidable | manual | PN | 286 | 4.1625 | 0.25 | 2 |