A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.9080, 14.0310 at 10 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.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1993-07-31 19:53:58 |
38.908 | 14.031 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 192629 |
Field | Value |
---|---|
Time (UTC) | 1993-07-31 19:53:58 ± 1.891 |
Latitude | 38.9080 ± 0.1033 |
Longitude | 14.0310 ± 0.4858 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 192629 |
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) | 43575.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 354 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00826 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00866 |
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 | 4 |
Type of magnitude | Md |
Reference to an origin | 192629 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:00:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.GIB.Z. | 1993-07-31T19:54:32.00 | 10.0 | undecidable | manual | SG | 180 | 0.9213 | 1.7 | 0.1 | |
--.TU9.Z. | 1993-07-31T19:54:31.89 | 10.0 | undecidable | manual | SG | 171 | 0.9546 | 0.4 | 0.7 | |
--.CS9.Z. | 1993-07-31T19:54:30.50 | 10.0 | undecidable | manual | SG | 178 | 0.9657 | -1.49 | 0.1 | |
--.PL9.Z. | 1993-07-31T19:54:29.77 | 10.0 | undecidable | manual | SG | 174 | 0.9213 | -0.59 | 0.6 | |
--.TU9.Z. | 1993-07-31T19:54:19.48 | 10.0 | undecidable | manual | PG | 171 | 0.9546 | 1.75 | 0 | |
--.PL9.Z. | 1993-07-31T19:54:17.63 | 10.0 | undecidable | manual | PG | 174 | 0.9213 | 0.55 | 1.5 | |
--.GIB.Z. | 1993-07-31T19:54:17.00 | 10.0 | undecidable | manual | PG | 180 | 0.9213 | -0.04 | 2 | |
--.CS9.Z. | 1993-07-31T19:54:17.50 | 10.0 | undecidable | manual | PG | 178 | 0.9657 | -0.52 | 1.6 |