A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.8960, 15.6040 at 6 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 1.7 |
2002-04-11 05:42:53 |
38.896 | 15.604 | 6 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 438799 |
Field | Value |
---|---|
Time (UTC) | 2002-04-11 05:42:53 ± 0.327 |
Latitude | 38.8960 ± 0.0059 |
Longitude | 15.6040 ± 0.0120 |
Depth (km) | 6 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 438799 |
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) | 1227.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 183 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.00575 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01109 |
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 | 438799 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:54:41 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 438799 |
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. | 2002-04-11T05:43:24.40 | 10.0 | undecidable | manual | SG | 156 | 0.888 | -0.33 | 0.3 | |
--.MGR.Z. | 2002-04-11T05:43:17.26 | 10.0 | undecidable | manual | PN | 358 | 1.2321 | 0.23 | 1 | |
--.SCLL.Z. | 2002-04-11T05:43:16.72 | 10.0 | undecidable | manual | SG | 172 | 0.6327 | 0.02 | 0.8 | |
--.GRI.Z. | 2002-04-11T05:43:16.50 | 10.0 | undecidable | manual | SG | 96 | 0.6327 | -0.03 | 0.8 | |
--.TDS.Z. | 2002-04-11T05:43:12.60 | 10.0 | undecidable | manual | PG | 36 | 0.9435 | -0.41 | 0.4 | |
--.SOI.Z. | 2002-04-11T05:43:11.67 | 10.0 | undecidable | manual | PG | 156 | 0.888 | 0.24 | 1.2 | |
--.MTTG.Z. | 2002-04-11T05:43:11.34 | 10.0 | undecidable | manual | PG | 175 | 0.888 | -0.11 | 1.7 | |
--.SCLL.Z. | 2002-04-11T05:43:06.69 | 10.0 | undecidable | manual | PG | 172 | 0.6327 | -0.11 | 1.8 | |
--.GRI.Z. | 2002-04-11T05:43:06.98 | 10.0 | undecidable | manual | PG | 96 | 0.6327 | 0.29 | 1 |