A magnitude Md 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4740, 15.2710 at 131 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 2.2 | 1989-07-17 19:50:09 |
38.474 | 15.271 | 131 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 95589 |
Field | Value |
---|---|
Time (UTC) | 1989-07-17 19:50:09 ± 0.474 |
Latitude | 38.4740 ± 0.0244 |
Longitude | 15.2710 ± 0.0725 |
Depth (km) | 131 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 95589 |
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) | 6871.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 271 |
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) | 0.00486 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01295 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 95589 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:29:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.TDS.Z. | 1989-07-17T19:50:57.50 | 10.0 | undecidable | manual | S | 34 | 1.443 | -0.39 | 0.2 | |
--.GRI.Z. | 1989-07-17T19:50:49.50 | 10.0 | undecidable | manual | S | 68 | 0.9546 | 0.2 | 0.4 | |
--.SOI.Z. | 1989-07-17T19:50:46.00 | 10.0 | undecidable | manual | S | 123 | 0.7326 | 0.08 | 0.6 | |
--.CZI.Z. | 1989-07-17T19:50:46.00 | 10.0 | undecidable | manual | S ! | 42 | 0.999 | -3.95 | 0 | |
--.TDS.Z. | 1989-07-17T19:50:38.00 | 10.0 | undecidable | manual | P | 34 | 1.443 | 0.42 | 0.3 | |
--.GRI.Z. | 1989-07-17T19:50:32.50 | 10.0 | undecidable | manual | P | 68 | 0.9546 | -0.11 | 1.5 | |
--.CZI.Z. | 1989-07-17T19:50:32.66 | 10.0 | undecidable | manual | P | 42 | 0.999 | -0.33 | 0.6 | |
--.SOI.Z. | 1989-07-17T19:50:30.50 | 10.0 | undecidable | manual | P | 123 | 0.7326 | -0.16 | 1.3 | |
--.DR2.Z. | 1989-07-17T19:50:29.44 | 10.0 | negative | manual | P | 71 | 0.5439 | 0.1 | 3.1 |