A magnitude Md 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.5110, 15.3920 at 108 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 2.4 | 1991-01-01 19:16:28 |
38.511 | 15.392 | 108 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 133409 |
Field | Value |
---|---|
Time (UTC) | 1991-01-01 19:16:28 ± 1.107 |
Latitude | 38.5110 ± 0.0512 |
Longitude | 15.3920 ± 0.1167 |
Depth (km) | 108 ± 9 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 133409 |
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) | 11637.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 289 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00397 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01028 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 133409 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:04:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SOI.Z. | 1991-01-01T19:17:01.50 | 10.0 | undecidable | manual | S | 130 | 0.6771 | 1.19 | 0 | |
--.FE2.Z. | 1991-01-01T19:17:00.40 | 10.0 | undecidable | manual | S | 130 | 0.7215 | -0.53 | 0.4 | |
--.GA2.Z. | 1991-01-01T19:16:57.22 | 10.0 | undecidable | manual | S | 135 | 0.4773 | -0.53 | 0.4 | |
--.SE2.Z. | 1991-01-01T19:16:51.70 | 10.0 | negative | manual | P | 64 | 1.1433 | 0.01 | 1.4 | |
--.RI2.Z. | 1991-01-01T19:16:48.72 | 10.0 | undecidable | manual | P | 96 | 0.8547 | 0.05 | 1.6 | |
--.FE2.Z. | 1991-01-01T19:16:47.38 | 10.0 | undecidable | manual | P | 130 | 0.7215 | 0 | 1.8 | |
--.GA2.Z. | 1991-01-01T19:16:46.40 | 10.0 | undecidable | manual | P | 135 | 0.4773 | 0.49 | 1 | |
--.SOI.Z. | 1991-01-01T19:16:46.40 | 10.0 | undecidable | manual | P | 130 | 0.6771 | -0.63 | 0.7 | |
--.DR2.Z. | 1991-01-01T19:16:45.20 | 10.0 | negative | manual | P | 72 | 0.444 | -0.07 | 1.8 |