A magnitude Md 2.5 earthquake occured in region: 39 km NE Santa Marina Salina (ME), on
and geographic coordinates (lat, lon) 38.7860, 15.2100 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 2.5 | 1987-01-16 05:57:45 |
38.786 | 15.21 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 39319 |
Field | Value |
---|---|
Time (UTC) | 1987-01-16 05:57:45 ± 0.436 |
Latitude | 38.7860 ± 0.0335 |
Longitude | 15.2100 ± 0.0514 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 39319 |
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) | 5812.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00874 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01595 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 39319 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:39:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.GIB.Z. | 1987-01-16T05:58:23.50 | 10.0 | undecidable | manual | SN | 230 | 1.2099 | -1.44 | 0.1 | |
--.SO9.Z. | 1987-01-16T05:58:17.50 | 10.0 | undecidable | manual | SG | 137 | 0.9657 | -1.05 | 0.3 | |
--.SGO.Z. | 1987-01-16T05:58:15.50 | 10.0 | undecidable | manual | PN | 2 | 1.7649 | -0.32 | 1.6 | |
--.GIB.Z. | 1987-01-16T05:58:09.00 | 10.0 | undecidable | manual | PN | 230 | 1.2099 | 0.77 | 1.3 | |
--.SO9.Z. | 1987-01-16T05:58:05.10 | 10.0 | undecidable | manual | PG | 137 | 0.9657 | 0.55 | 1.6 |