A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.8890, 15.6060 at 85 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 2.5
ML-VAX 1.9 |
1998-05-16 10:40:14 |
38.889 | 15.606 | 85 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 338729 |
Field | Value |
---|---|
Time (UTC) | 1998-05-16 10:40:14 ± 0.786 |
Latitude | 38.8890 ± 0.0314 |
Longitude | 15.6060 ± 0.0673 |
Depth (km) | 85 ± 10 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 338729 |
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) | 6794.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 207 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00567 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00858 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 338729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:17:18 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 338729 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SOI.Z. | 1998-05-16T10:40:46.95 | 10.0 | undecidable | manual | S | 157 | 0.8769 | 0.89 | 0.1 | |
--.MO9.Z. | 1998-05-16T10:40:45.59 | 10.0 | undecidable | manual | S | 176 | 0.8769 | -0.49 | 0.3 | |
--.ATN.Z. | 1998-05-16T10:40:43.30 | 10.0 | undecidable | manual | S | 189 | 0.7326 | -0.25 | 0.6 | |
--.MO9.Z. | 1998-05-16T10:40:33.17 | 10.0 | undecidable | manual | P | 176 | 0.8769 | 0.45 | 1 | |
--.TDS.Z. | 1998-05-16T10:40:33.56 | 10.0 | undecidable | manual | P | 36 | 0.9546 | 0.07 | 1.7 | |
--.SOI.Z. | 1998-05-16T10:40:32.15 | 10.0 | undecidable | manual | P | 157 | 0.8769 | -0.55 | 0.7 | |
--.ATN.Z. | 1998-05-16T10:40:31.19 | 10.0 | undecidable | manual | P | 189 | 0.7326 | 0.09 | 1.8 | |
--.GRI.Z. | 1998-05-16T10:40:29.97 | 10.0 | undecidable | manual | P | 96 | 0.6327 | -0.11 | 1.8 |