A magnitude Md 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 39.0890, 15.6680 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.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1986-07-15 11:30:05 |
39.089 | 15.668 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 31009 |
Field | Value |
---|---|
Time (UTC) | 1986-07-15 11:30:05 ± 0.648 |
Latitude | 39.0890 ± 0.0138 |
Longitude | 15.6680 ± 0.0652 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 31009 |
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) | 5829.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 239 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00437 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00761 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 31009 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:32:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.TS9.Z. | 1986-07-15T11:30:32.00 | 10.0 | undecidable | manual | SG | 42 | 0.7659 | -0.57 | 0.3 | |
--.CSI.Z. | 1986-07-15T11:30:23.20 | 10.0 | undecidable | manual | PG | 34 | 0.8436 | 0.46 | 0.9 | |
--.TS9.Z. | 1986-07-15T11:30:21.00 | 10.0 | undecidable | manual | PG | 42 | 0.7659 | -0.31 | 1.3 | |
--.GR9.Z. | 1986-07-15T11:30:19.50 | 10.0 | undecidable | manual | PG | 114 | 0.6438 | 0.38 | 1.2 | |
--.DR2.Z. | 1986-07-15T11:30:15.80 | 10.0 | undecidable | manual | PG | 155 | 0.4884 | -0.32 | 1.4 |