A magnitude Md 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4630, 12.9700 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.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-06-24 21:06:19 |
38.463 | 12.97 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 49479 |
Field | Value |
---|---|
Time (UTC) | 1987-06-24 21:06:19 ± 0.718 |
Latitude | 38.4630 ± 0.0546 |
Longitude | 12.9700 ± 0.0401 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 49479 |
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) | 7002.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 242 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
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) | 0.00461 |
Epicentral distance of station farthest from the epicenter (degree) | 0.02202 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 49479 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:48:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SO9.Z. | 1987-06-24T21:06:59.50 | 10.0 | undecidable | manual | PN | 97 | 2.442 | -0.13 | 1.3 | |
--.MEU.Z. | 1987-06-24T21:06:54.00 | 10.0 | undecidable | manual | PN | 131 | 1.9869 | 0.63 | 0.6 | |
--.FAI.Z. | 1987-06-24T21:06:44.50 | 10.0 | undecidable | manual | PN | 154 | 1.2987 | 0.5 | 1.1 | |
--.GIB.Z. | 1987-06-24T21:06:38.00 | 10.0 | undecidable | manual | PG | 119 | 0.9546 | -0.73 | 0.6 | |
--.ERC.Z. | 1987-06-24T21:06:38.50 | 10.0 | undecidable | manual | SG | 215 | 0.5106 | -0.08 | 0.7 | |
--.ERC.Z. | 1987-06-24T21:06:30.50 | 10.0 | undecidable | manual | PG | 215 | 0.5106 | -0.2 | 1.7 |