A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 39.2500, 15.5630 at 5 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 |
1998-05-06 16:46:44 |
39.25 | 15.563 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 337679 |
Field | Value |
---|---|
Time (UTC) | 1998-05-06 16:46:44 ± 0.377 |
Latitude | 39.2500 ± 0.0196 |
Longitude | 15.5630 ± 0.0383 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 337679 |
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) | 3953.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 189 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00648 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01190 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 337679 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:16:18 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 337679 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.GRI.Z. | 1998-05-06T16:47:12.35 | 10.0 | undecidable | manual | SG | 122 | 0.777 | -0.13 | 0.7 | |
--.TDS.Z. | 1998-05-06T16:47:09.20 | 10.0 | undecidable | manual | SG | 55 | 0.7215 | -1.34 | 0 | |
--.SGO.Z. | 1998-05-06T16:47:08.50 | 10.0 | undecidable | manual | PN | 352 | 1.3209 | -0.73 | 0.6 | |
--.SOI.Z. | 1998-05-06T16:47:08.70 | 10.0 | undecidable | manual | PN | 162 | 1.2321 | 0.02 | 1.5 | |
--.ORI.Z. | 1998-05-06T16:47:06.22 | 10.0 | undecidable | manual | PG | 40 | 1.0434 | 0.9 | 0.5 | |
--.SL9.Z. | 1998-05-06T16:47:06.91 | 10.0 | undecidable | manual | PN | 3 | 1.1322 | 0.19 | 1.5 | |
--.GRI.Z. | 1998-05-06T16:47:00.46 | 10.0 | undecidable | manual | PG | 122 | 0.777 | -0.08 | 1.7 | |
--.TDS.Z. | 1998-05-06T16:46:59.60 | 10.0 | undecidable | manual | PG | 55 | 0.7215 | 0.29 | 1.5 |