A magnitude Md 2.5 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.2380, 7.4580 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 2.6 |
1987-10-27 20:55:14 |
46.238 | 7.458 | 8 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 57759 |
Field | Value |
---|---|
Time (UTC) | 1987-10-27 20:55:14 ± 0.511 |
Latitude | 46.2380 ± 0.0159 |
Longitude | 7.4580 ± 0.0208 |
Depth (km) | 8 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 57759 |
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) | 2387.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 54 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
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) | 0.00138 |
Epicentral distance of station farthest from the epicenter (degree) | 0.02874 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 57759 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:55:21 |
Field | Value |
---|---|
Value | 2.6 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 57759 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.HAU.Z. | 1987-10-27T20:56:12.60 | 10.0 | undecidable | manual | SN | 337 | 1.9092 | 0.99 | 0.3 | |
--.BSF.Z. | 1987-10-27T20:56:04.80 | 10.0 | undecidable | manual | SN | 344 | 1.6539 | -0.52 | 0.5 | |
--.BGF.Z. | 1987-10-27T20:56:04.90 | 10.0 | undecidable | manual | PN | 277 | 3.1857 | -0.23 | 1.1 | |
--.AVF.Z. | 1987-10-27T20:56:00.70 | 10.0 | undecidable | manual | PN | 282 | 2.8638 | -0.07 | 1.2 | |
--.BNI.Z. | 1987-10-27T20:55:57.80 | 10.0 | undecidable | manual | SN | 204 | 1.2987 | 0.87 | 0.4 | |
--.SMF.Z. | 1987-10-27T20:55:54.70 | 10.0 | undecidable | manual | PN | 280 | 2.5197 | -1.23 | 0.3 | |
--.HAU.Z. | 1987-10-27T20:55:48.60 | 10.0 | undecidable | manual | PN | 337 | 1.9092 | 0.95 | 0.7 | |
--.VAI.Z. | 1987-10-27T20:55:47.50 | 10.0 | undecidable | manual | SG | 111 | 0.9768 | -1.27 | 0.2 | |
--.FEL.Z. | 1987-10-27T20:55:45.00 | 10.0 | undecidable | manual | PN | 12 | 1.6761 | 0.66 | 1.1 | |
--.BSF.Z. | 1987-10-27T20:55:45.30 | 10.0 | undecidable | manual | PN | 344 | 1.6539 | 1.27 | 0.4 | |
--.ORO.Z. | 1987-10-27T20:55:41.00 | 10.0 | undecidable | manual | SG | 148 | 0.6993 | 1 | 0.3 | |
--.BNI.Z. | 1987-10-27T20:55:39.40 | 10.0 | undecidable | manual | PN | 204 | 1.2987 | 0.22 | 1.8 | |
--.ZLA.Z. | 1987-10-27T20:55:39.90 | 10.0 | undecidable | manual | PN | 26 | 1.3875 | -0.48 | 1.5 | |
--.LLS.Z. | 1987-10-27T20:55:37.30 | 10.0 | undecidable | manual | PN | 59 | 1.221 | -0.85 | 1 | |
--.VAI.Z. | 1987-10-27T20:55:34.16 | 10.0 | undecidable | manual | PG | 111 | 0.9768 | -0.31 | 1.7 | |
--.LPL.Z. | 1987-10-27T20:55:32.20 | 10.0 | undecidable | manual | PG | 215 | 0.8769 | -0.35 | 1.7 | |
--.LPG.Z. | 1987-10-27T20:55:32.50 | 10.0 | undecidable | manual | PG | 213 | 0.8769 | -0.2 | 1.8 | |
--.ORO.Z. | 1987-10-27T20:55:30.00 | 10.0 | undecidable | manual | PG | 148 | 0.6993 | 0.59 | 1.4 | |
--.MMK.Z. | 1987-10-27T20:55:23.50 | 10.0 | undecidable | manual | PG | 117 | 0.3996 | -0.11 | 1.9 | |
--.EMS.Z. | 1987-10-27T20:55:22.80 | 10.0 | undecidable | manual | PG | 245 | 0.3996 | -0.89 | 0.9 | |
--.DIX.Z. | 1987-10-27T20:55:19.80 | 10.0 | undecidable | manual | PG | 191 | 0.1554 | 0.94 | 0.8 |