A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.6480, 15.4830 at 179 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 2.1 |
2003-02-22 09:25:25 |
38.648 | 15.483 | 179 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 470499 |
Field | Value |
---|---|
Time (UTC) | 2003-02-22 09:25:25 ± 0.958 |
Latitude | 38.6480 ± 0.0286 |
Longitude | 15.4830 ± 0.0874 |
Depth (km) | 179 ± 9 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 470499 |
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) | 8229.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 196 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00380 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01336 |
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 | 470499 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 00:26:10 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 470499 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MTTG.Z. | 2003-02-22T09:26:09.90 | 10.0 | undecidable | manual | S | 165 | 0.666 | 0.45 | 0.1 | |
--.SOI.Z. | 2003-02-22T09:26:09.60 | 10.0 | undecidable | manual | S | 142 | 0.7215 | -0.46 | 0.1 | |
--.MGR.Z. | 2003-02-22T09:25:57.16 | 10.0 | undecidable | manual | P | 2 | 1.4874 | -0.04 | 1.1 | |
--.SOI.Z. | 2003-02-22T09:25:51.30 | 10.0 | negative | manual | P | 142 | 0.7215 | -0.04 | 3.1 | |
--.GRI.Z. | 2003-02-22T09:25:51.42 | 10.0 | undecidable | manual | P | 76 | 0.7437 | 0.21 | 1.1 | |
--.MTTG.Z. | 2003-02-22T09:25:50.97 | 10.0 | undecidable | manual | P | 165 | 0.666 | 0.25 | 0.9 | |
--.SCLL.Z. | 2003-02-22T09:25:49.30 | 10.0 | undecidable | manual | P | 155 | 0.4218 | -0.33 | 0.6 |