A magnitude Md 2.5 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.3640, 7.6080 at 8 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
M 2.7 |
1987-10-16 11:03:53 |
46.364 | 7.608 | 8 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 57069 |
Field | Value |
---|---|
Time (UTC) | 1987-10-16 11:03:53 ± 0.852 |
Latitude | 46.3640 ± 0.0153 |
Longitude | 7.6080 ± 0.0251 |
Depth (km) | 8 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 57069 |
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) | 2572.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 58 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
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) | 0.00275 |
Epicentral distance of station farthest from the epicenter (degree) | 0.02598 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 57069 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:54:44 |
Field | Value |
---|---|
Value | 2.7 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 57069 |
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. | 1987-10-16T11:04:41.30 | 10.0 | undecidable | manual | SN | 339 | 1.5651 | -0.55 | 0.5 | |
--.SSF.Z. | 1987-10-16T11:04:41.00 | 10.0 | undecidable | manual | PN | 285 | 2.886 | 1.32 | 0.3 | |
--.MOF.Z. | 1987-10-16T11:04:40.80 | 10.0 | undecidable | manual | SN | 347 | 1.5207 | 0.07 | 0.6 | |
--.LBF.Z. | 1987-10-16T11:04:36.50 | 10.0 | undecidable | manual | PN | 285 | 2.5641 | 1.36 | 0.3 | |
--.VAI.Z. | 1987-10-16T11:04:26.10 | 10.0 | undecidable | manual | SG | 121 | 0.9435 | -0.22 | 0.7 | |
--.HAU.Z. | 1987-10-16T11:04:25.00 | 10.0 | undecidable | manual | PN | 332 | 1.8426 | -0.33 | 1.3 | |
--.MOF.Z. | 1987-10-16T11:04:21.40 | 10.0 | undecidable | manual | PN | 347 | 1.5207 | 0.59 | 1.2 | |
--.BSF.Z. | 1987-10-16T11:04:21.90 | 10.0 | undecidable | manual | PN | 339 | 1.5651 | 0.44 | 1.3 | |
--.ORO.Z. | 1987-10-16T11:04:20.31 | 10.0 | undecidable | manual | SG | 160 | 0.777 | -0.59 | 0.5 | |
--.SLE.Z. | 1987-10-16T11:04:19.80 | 10.0 | undecidable | manual | PN | 22 | 1.5207 | -1.07 | 0.7 | |
--.FEL.Z. | 1987-10-16T11:04:19.50 | 10.0 | undecidable | manual | PN | 10 | 1.5318 | -1.51 | 0.3 | |
--.ZLA.Z. | 1987-10-16T11:04:16.70 | 10.0 | undecidable | manual | PN | 24 | 1.2321 | -0.15 | 1.7 | |
--.LLS.Z. | 1987-10-16T11:04:15.30 | 10.0 | undecidable | manual | PN | 62 | 1.0656 | 0.58 | 1.3 | |
--.LPG.Z. | 1987-10-16T11:04:14.40 | 10.0 | undecidable | manual | PN | 214 | 1.0434 | 0.05 | 1.7 | |
--.LPL.Z. | 1987-10-16T11:04:14.20 | 10.0 | undecidable | manual | PG | 215 | 1.0323 | -0.02 | 1.7 | |
--.VAI.Z. | 1987-10-16T11:04:13.20 | 10.0 | undecidable | manual | PG | 121 | 0.9435 | 0.76 | 1.1 | |
--.ORO.Z. | 1987-10-16T11:04:09.83 | 10.0 | undecidable | manual | PG | 160 | 0.777 | 0.47 | 1.5 | |
--.EMS.Z. | 1987-10-16T11:04:03.70 | 10.0 | undecidable | manual | PG | 237 | 0.5439 | -1.44 | 0.4 | |
--.MMK.Z. | 1987-10-16T11:04:02.40 | 10.0 | undecidable | manual | PG | 141 | 0.3996 | 0.13 | 1.7 | |
--.DIX.Z. | 1987-10-16T11:04:00.00 | 10.0 | undecidable | manual | PG | 205 | 0.3108 | -0.72 | 1.2 |