A magnitude Md 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.6930, 15.4410 at 5 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 | 1987-06-28 00:10:48 |
38.693 | 15.441 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 49639 |
Field | Value |
---|---|
Time (UTC) | 1987-06-28 00:10:48 ± 0.356 |
Latitude | 38.6930 ± 0.0153 |
Longitude | 15.4410 ± 0.0513 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 49639 |
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) | 4769.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 185 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00478 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01295 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 49639 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:48:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SE2.Z. | 1987-06-28T00:11:21.40 | 10.0 | undecidable | manual | SG! | 72 | 1.0434 | -3.99 | 0 | |
--.SO9.Z. | 1987-06-28T00:11:16.50 | 10.0 | undecidable | manual | SG | 142 | 0.777 | -0.55 | 0.6 | |
--.MGR.Z. | 1987-06-28T00:11:15.50 | 10.0 | negative | manual | PN | 3 | 1.443 | -0.17 | 2 | |
--.CSI.Z. | 1987-06-28T00:11:13.50 | 10.0 | undecidable | manual | PN | 30 | 1.2654 | 0.18 | 1.1 | |
--.ROI.Z. | 1987-06-28T00:11:12.40 | 10.0 | undecidable | manual | PN | 44 | 1.2321 | -0.42 | 1 | |
--.TS9.Z. | 1987-06-28T00:11:12.00 | 10.0 | undecidable | manual | PN | 35 | 1.1877 | -0.15 | 1.1 | |
--.MMN.Z. | 1987-06-28T00:11:12.80 | 10.0 | undecidable | manual | PN | 19 | 1.2654 | -0.45 | 0.9 | |
--.ATN.Z. | 1987-06-28T00:11:10.00 | 10.0 | undecidable | manual | SG | 178 | 0.5328 | 1 | 0.3 | |
--.SE2.Z. | 1987-06-28T00:11:08.50 | 10.0 | undecidable | manual | PG | 72 | 1.0434 | -1.5 | 0.2 | |
--.GRI.Z. | 1987-06-28T00:11:06.00 | 10.0 | undecidable | manual | PG | 80 | 0.777 | 1.02 | 0.5 | |
--.CZI.Z. | 1987-06-28T00:11:06.40 | 10.0 | undecidable | manual | PG | 45 | 0.7437 | 1.82 | 0.1 | |
--.SO9.Z. | 1987-06-28T00:11:05.00 | 10.0 | negative | manual | PG | 142 | 0.777 | -0.18 | 2.5 | |
--.FE2.Z. | 1987-06-28T00:11:03.50 | 10.0 | undecidable | manual | PG! | 142 | 0.8214 | -2.45 | 0 | |
--.ATN.Z. | 1987-06-28T00:11:00.50 | 10.0 | positive | manual | PG | 178 | 0.5328 | -0.04 | 2.6 |