A magnitude M 2.5 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.2490, 7.4030 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.
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 |
M 2.5 | 1987-01-21 03:38:23 |
46.249 | 7.403 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 39579 |
Field | Value |
---|---|
Time (UTC) | 1987-01-21 03:38:23 ± 0.326 |
Latitude | 46.2490 ± 0.0187 |
Longitude | 7.4030 ± 0.0194 |
Depth (km) | 10 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 39579 |
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) | 2560.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00146 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01514 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 39579 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:42:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BSF.Z. | 1987-01-21T03:39:13.20 | 10.0 | undecidable | manual | SN | 345 | 1.6317 | 0.68 | 0.3 | |
--.BSF.Z. | 1987-01-21T03:38:52.60 | 10.0 | undecidable | manual | PN | 345 | 1.6317 | 0.95 | 0.4 | |
--.LSD.Z. | 1987-01-21T03:38:51.50 | 10.0 | undecidable | manual | SG | 192 | 0.7992 | 0.45 | 0.6 | |
--.SLE.Z. | 1987-01-21T03:38:51.10 | 10.0 | undecidable | manual | PN | 25 | 1.6761 | -1.27 | 0.2 | |
--.ORX.Z. | 1987-01-21T03:38:48.20 | 10.0 | undecidable | manual | SG | 146 | 0.7326 | -0.46 | 0.6 | |
--.TMA.Z. | 1987-01-21T03:38:44.10 | 10.0 | undecidable | manual | PG | 97 | 1.0212 | 0.82 | 0.8 | |
--.RSP.Z. | 1987-01-21T03:38:44.40 | 10.0 | undecidable | manual | PN | 185 | 1.0989 | 0.09 | 1.6 | |
--.LPL.Z. | 1987-01-21T03:38:40.40 | 10.0 | undecidable | manual | PG | 212 | 0.8658 | 0.07 | 1.8 | |
--.LPG.Z. | 1987-01-21T03:38:40.60 | 10.0 | undecidable | manual | PG | 211 | 0.8769 | 0.11 | 1.8 | |
--.LSD.Z. | 1987-01-21T03:38:39.10 | 10.0 | undecidable | manual | PG | 192 | 0.7992 | -0.15 | 1.8 | |
--.STG.Z. | 1987-01-21T03:38:38.90 | 10.0 | undecidable | manual | PG | 290 | 0.8325 | -1 | 0.6 | |
--.ORX.Z. | 1987-01-21T03:38:38.20 | 10.0 | undecidable | manual | PG | 146 | 0.7326 | 0.33 | 1.7 | |
--.ORO.Z. | 1987-01-21T03:38:37.30 | 10.0 | undecidable | manual | PG | 146 | 0.7326 | -0.65 | 1.1 | |
--.MMK.Z. | 1987-01-21T03:38:37.90 | 10.0 | undecidable | manual | SG | 116 | 0.4329 | -1.14 | 0.2 | |
--.EMS.Z. | 1987-01-21T03:38:36.20 | 10.0 | undecidable | manual | SG | 241 | 0.3663 | -0.81 | 0.3 | |
--.MMK.Z. | 1987-01-21T03:38:31.80 | 10.0 | undecidable | manual | PG | 116 | 0.4329 | -0.52 | 1.4 | |
--.DIX.Z. | 1987-01-21T03:38:31.30 | 10.0 | undecidable | manual | SG | 178 | 0.1665 | 0.84 | 0.3 | |
--.EMS.Z. | 1987-01-21T03:38:30.90 | 10.0 | undecidable | manual | PG | 241 | 0.3663 | -0.25 | 1.8 | |
--.DIX.Z. | 1987-01-21T03:38:27.60 | 10.0 | undecidable | manual | PG | 178 | 0.1665 | 0.24 | 1.8 |