A magnitude Md 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.6890, 15.5510 at 71 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 2.3
ML-VAX 1.5 |
1994-04-13 22:01:58 |
38.689 | 15.551 | 71 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 207749 |
Field | Value |
---|---|
Time (UTC) | 1994-04-13 22:01:58 ± 0.55 |
Latitude | 38.6890 ± 0.0332 |
Longitude | 15.5510 ± 0.0487 |
Depth (km) | 71 ± 8 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 207749 |
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) | 5614.5 |
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 | 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) | 0.00478 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01060 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 207749 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:15:42 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 207749 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MO9.Z. | 1994-04-13T22:02:26.50 | 10.0 | undecidable | manual | S | 170 | 0.6882 | 1.17 | 0 | |
--.SOI.Z. | 1994-04-13T22:02:25.28 | 10.0 | undecidable | manual | S | 147 | 0.7326 | -0.28 | 0.5 | |
--.GRI.Z. | 1994-04-13T22:02:24.51 | 10.0 | undecidable | manual | S | 78 | 0.6882 | -0.24 | 0.5 | |
--.ATN.Z. | 1994-04-13T22:02:21.69 | 10.0 | undecidable | manual | S | 187 | 0.5328 | -0.25 | 0.5 | |
--.ROI.Z. | 1994-04-13T22:02:19.88 | 10.0 | undecidable | manual | P | 41 | 1.1766 | 0.11 | 1.1 | |
--.MO9.Z. | 1994-04-13T22:02:14.70 | 10.0 | undecidable | manual | P | 170 | 0.6882 | 0.23 | 1.3 | |
--.SOI.Z. | 1994-04-13T22:02:13.84 | 10.0 | undecidable | manual | P | 147 | 0.7326 | -0.4 | 0.8 | |
--.GRI.Z. | 1994-04-13T22:02:13.97 | 10.0 | undecidable | manual | P | 78 | 0.6882 | 0.2 | 1.4 | |
--.ATN.Z. | 1994-04-13T22:02:12.00 | 10.0 | negative | manual | P | 187 | 0.5328 | -0.15 | 2.9 |