A magnitude Md 2.5 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.2390, 7.4610 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 |
Md 2.5
M 2.6 |
1987-08-15 11:25:06 |
46.239 | 7.461 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 54019 |
Field | Value |
---|---|
Time (UTC) | 1987-08-15 11:25:06 ± 0.345 |
Latitude | 46.2390 ± 0.0177 |
Longitude | 7.4610 ± 0.0245 |
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 | 54019 |
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) | 2722.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
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) | 0.01951 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 54019 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:52:05 |
Field | Value |
---|---|
Value | 2.6 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 54019 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.BNI.Z. | 1987-08-15T11:25:49.00 | 10.0 | undecidable | manual | SN | 204 | 1.2987 | 0.66 | 0.4 | |
--.CDF.Z. | 1987-08-15T11:25:43.20 | 10.0 | undecidable | manual | PN | 356 | 2.1645 | 0.47 | 0.9 | |
--.DOI.Z. | 1987-08-15T11:25:37.20 | 10.0 | undecidable | manual | PN | 185 | 1.7316 | 0.44 | 1 | |
--.LPG.Z. | 1987-08-15T11:25:36.20 | 10.0 | undecidable | manual | SG | 213 | 0.8769 | -1.09 | 0.1 | |
--.BSF.Z. | 1987-08-15T11:25:36.50 | 10.0 | undecidable | manual | PN | 344 | 1.6539 | 0.91 | 0.5 | |
--.SLE.Z. | 1987-08-15T11:25:34.50 | 10.0 | undecidable | manual | PN | 24 | 1.6761 | -1.43 | 0.1 | |
--.LSD.Z. | 1987-08-15T11:25:33.60 | 10.0 | undecidable | manual | SG | 195 | 0.7992 | -1.1 | 0.1 | |
--.ZLA.Z. | 1987-08-15T11:25:31.50 | 10.0 | undecidable | manual | PN | 26 | 1.3875 | -0.43 | 1.2 | |
--.ORX.Z. | 1987-08-15T11:25:31.30 | 10.0 | undecidable | manual | SG | 148 | 0.6993 | -0.08 | 0.7 | |
--.ORO.Z. | 1987-08-15T11:25:31.00 | 10.0 | undecidable | manual | SG | 149 | 0.6993 | -0.5 | 0.5 | |
--.BNI.Z. | 1987-08-15T11:25:31.50 | 10.0 | undecidable | manual | PN | 204 | 1.2987 | 0.71 | 0.9 | |
--.LLS.Z. | 1987-08-15T11:25:28.90 | 10.0 | undecidable | manual | PN | 59 | 1.221 | -0.8 | 0.8 | |
--.LPG.Z. | 1987-08-15T11:25:24.00 | 10.0 | undecidable | manual | PG | 213 | 0.8769 | -0.41 | 1.4 | |
--.LPL.Z. | 1987-08-15T11:25:24.10 | 10.0 | undecidable | manual | PG | 215 | 0.8769 | -0.16 | 1.7 | |
--.LSD.Z. | 1987-08-15T11:25:22.20 | 10.0 | undecidable | manual | PG | 195 | 0.7992 | -0.72 | 0.9 | |
--.ORX.Z. | 1987-08-15T11:25:21.40 | 10.0 | undecidable | manual | PG | 148 | 0.6993 | 0.4 | 1.3 | |
--.ORO.Z. | 1987-08-15T11:25:21.50 | 10.0 | undecidable | manual | PG | 149 | 0.6993 | 0.43 | 1.3 | |
--.MMK.Z. | 1987-08-15T11:25:15.30 | 10.0 | undecidable | manual | PG | 117 | 0.3996 | 0.04 | 1.7 | |
--.DIX.Z. | 1987-08-15T11:25:11.00 | 10.0 | positive | manual | PG | 192 | 0.1665 | 0.07 | 3.4 |