A magnitude Md 2.5 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.1900, 7.5460 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.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 2002-05-25 00:16:41 |
46.19 | 7.546 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 441669 |
Field | Value |
---|---|
Time (UTC) | 2002-05-25 00:16:41 ± 0.411 |
Latitude | 46.1900 ± 0.0249 |
Longitude | 7.5460 ± 0.0226 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 441669 |
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) | 3272.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 262 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00340 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01158 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 441669 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:57:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.VAI.Z. | 2002-05-25T00:17:12.78 | 10.0 | undecidable | manual | SG | 110 | 0.9102 | -0.7 | 0.2 | |
--.BNI.Z. | 2002-05-25T00:17:06.14 | 10.0 | undecidable | manual | PN | 208 | 1.2876 | 0.18 | 1.5 | |
--.ORO.Z. | 2002-05-25T00:17:04.65 | 10.0 | undecidable | manual | SG | 151 | 0.6327 | -0.14 | 0.9 | |
--.VAI.Z. | 2002-05-25T00:16:59.90 | 10.0 | undecidable | manual | PG | 110 | 0.9102 | -0.03 | 2 | |
--.MCGN.Z. | 2002-05-25T00:16:56.84 | 10.0 | undecidable | manual | SG | 127 | 0.3774 | 0.51 | 0.5 | |
--.ORO.Z. | 2002-05-25T00:16:54.34 | 10.0 | undecidable | manual | PG | 151 | 0.6327 | -0.58 | 0.9 | |
--.MCGN.Z. | 2002-05-25T00:16:50.60 | 10.0 | undecidable | manual | PG | 127 | 0.3774 | 0.57 | 1 |