A magnitude Md 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.6420, 15.4430 at 128 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 | 1993-02-27 18:44:26 |
38.642 | 15.443 | 128 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 180899 |
Field | Value |
---|---|
Time (UTC) | 1993-02-27 18:44:26 ± 2.05 |
Latitude | 38.6420 ± 0.0501 |
Longitude | 15.4430 ± 0.1390 |
Depth (km) | 128 ± 19 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 180899 |
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) | 13299.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 215 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00389 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01101 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 180899 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:49:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.TDS.Z. | 1993-02-27T18:45:09.19 | 10.0 | undecidable | manual | S | 34 | 1.221 | -0.58 | 0.2 | |
--.ATN.Z. | 1993-02-27T18:45:00.00 | 10.0 | undecidable | manual | S | 178 | 0.4773 | 1.23 | 0 | |
--.SOI.Z. | 1993-02-27T18:45:00.91 | 10.0 | undecidable | manual | S | 139 | 0.7326 | -0.95 | 0 | |
--.TDS.Z. | 1993-02-27T18:44:51.28 | 10.0 | positive | manual | P | 34 | 1.221 | 0 | 1.9 | |
--.GRI.Z. | 1993-02-27T18:44:47.70 | 10.0 | undecidable | manual | P | 76 | 0.777 | 0.67 | 0.4 | |
--.SOI.Z. | 1993-02-27T18:44:46.79 | 10.0 | positive | manual | P | 139 | 0.7326 | 0.07 | 2.4 | |
--.ATN.Z. | 1993-02-27T18:44:44.67 | 10.0 | positive | manual | P | 178 | 0.4773 | -0.26 | 2 | |
--.SC9.Z. | 1993-02-27T18:44:44.50 | 10.0 | undecidable | manual | P | 151 | 0.4329 | -0.19 | 1.1 |