A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4570, 15.6080 at 148 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 |
1999-09-10 23:55:36 |
38.457 | 15.608 | 148 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 373439 |
Field | Value |
---|---|
Time (UTC) | 1999-09-10 23:55:36 ± 0.89 |
Latitude | 38.4570 ± 0.0570 |
Longitude | 15.6080 ± 0.1630 |
Depth (km) | 148 ± 10 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 373439 |
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) | 15539.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 213 |
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) | 0.00413 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01190 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 373439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:50:33 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 373439 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.TDS.Z. | 1999-09-10T23:56:23.76 | 10.0 | undecidable | manual | S | 25 | 1.3209 | -0.77 | 0 | |
--.GRI.Z. | 1999-09-10T23:56:15.60 | 10.0 | undecidable | manual | S | 59 | 0.7326 | 0.13 | 0.6 | |
--.MO9.Z. | 1999-09-10T23:56:13.53 | 10.0 | undecidable | manual | S | 171 | 0.4551 | 0.83 | 0 | |
--.SOI.Z. | 1999-09-10T23:56:12.72 | 10.0 | undecidable | manual | S | 137 | 0.5106 | -0.5 | 0.2 | |
--.TDS.Z. | 1999-09-10T23:56:04.38 | 10.0 | undecidable | manual | P | 25 | 1.3209 | 0.24 | 0.9 | |
--.GRI.Z. | 1999-09-10T23:55:59.36 | 10.0 | undecidable | manual | P | 59 | 0.7326 | 0.45 | 0.7 | |
--.SOI.Z. | 1999-09-10T23:55:57.49 | 10.0 | negative | manual | P | 137 | 0.5106 | -0.12 | 2.9 | |
--.MO9.Z. | 1999-09-10T23:55:57.15 | 10.0 | negative | manual | P | 171 | 0.4551 | -0.16 | 2.7 |