A magnitude Md 2.4 earthquake occured in region: Costa Sarda nord orientale (Olbia), on
and geographic coordinates (lat, lon) 40.9970, 9.9200 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 2.4 | 2016-01-28 11:26:59 |
40.9973 | 9.9198 | 10 | 2016-02-03 10:52:19 |
Sala Sismica INGV-Roma | 23346171 |
Field | Value |
---|---|
Time (UTC) | 2016-01-28 11:26:59 ± 0.37 |
Latitude | 40.9973 ± 0.0099 |
Longitude | 9.9198 ± 0.0548 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 23346171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 4590 |
Semi-minor axis of confidence ellipse (meter) | 1080 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 4590.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.71946 |
Epicentral distance of station farthest from the epicenter (degree) | 1.92545 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 23346171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-02-03 10:52:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
FR.CORF.HHE. | 2016-01-28T11:27:43.91 | 0.6 | undecidable | manual | S | 336 | 157.62 | 50 | -0.03 | 44 |
FR.AJAC.HHE. | 2016-01-28T11:27:38.64 | 1.0 | undecidable | manual | S | 317 | 141.0477 | 50 | -0.87 | 18 |
FR.SMPL.HHE. | 2016-01-28T11:27:38.09 | 0.6 | undecidable | manual | S | 337 | 132.5673 | 50 | 0.85 | 37 |
IV.CASP.HHE. | 2016-01-28T11:27:32.60 | 1.0 | undecidable | manual | P | 21 | 213.7194 | 38 | 0.06 | 16 |
IV.CELB.HHE. | 2016-01-28T11:27:29.72 | 1.0 | undecidable | manual | P | 7 | 195.5598 | 38 | -0.56 | 16 |
FR.CORF.HHE. | 2016-01-28T11:27:25.32 | 0.3 | undecidable | manual | P | 336 | 157.62 | 50 | 0.31 | 63 |
IV.DGI.HHE. | 2016-01-28T11:27:23.88 | 0.6 | undecidable | manual | S | 199 | 79.8645 | 50 | 0.72 | 44 |
FR.AJAC.HHE. | 2016-01-28T11:27:21.69 | 0.6 | undecidable | manual | P | 317 | 141.0477 | 50 | -0.76 | 38 |
FR.SMPL.HHE. | 2016-01-28T11:27:21.18 | 0.1 | undecidable | manual | P | 337 | 132.5673 | 50 | 0.04 | 95 |
IV.DGI.HHE. | 2016-01-28T11:27:12.70 | 0.1 | positive | manual | P | 199 | 79.8645 | 50 | -0.32 | 100 |