A magnitude Md 2.4 earthquake occured in region: 4 km N Trasquera (VB), on
and geographic coordinates (lat, lon) 46.2520, 8.2300 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Trasquera | VB | 4 | 194 | 194 |
Varzo | VB | 5 | 2046 | 2240 |
Baceno | VB | 7 | 918 | 3158 |
Crodo | VB | 8 | 1404 | 4562 |
Premia | VB | 9 | 564 | 5126 |
Crevoladossola | VB | 12 | 4655 | 9781 |
Montecrestese | VB | 12 | 1266 | 11047 |
Bognanco | VB | 14 | 219 | 11266 |
Masera | VB | 15 | 1529 | 12795 |
Domodossola | VB | 16 | 18192 | 30987 |
Trontano | VB | 17 | 1660 | 32647 |
Beura-Cardezza | VB | 20 | 1485 | 34132 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-05-06 23:57:52 |
46.252 | 8.23 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 46459 |
Field | Value |
---|---|
Time (UTC) | 1987-05-06 23:57:52 ± 0.832 |
Latitude | 46.2520 ± 0.0218 |
Longitude | 8.2300 ± 0.0282 |
Depth (km) | 9 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 46459 |
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) | 3252.2 |
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 | 17 |
Number of defining phases | 17 |
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) | 0.00243 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01449 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 46459 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:45:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.RSP.Z. | 1987-05-06T23:58:35.00 | 10.0 | undecidable | manual | SN | 211 | 1.2876 | 0.71 | 0.4 | |
--.LSD.Z. | 1987-05-06T23:58:28.30 | 10.0 | undecidable | manual | SN | 223 | 1.0878 | -1.2 | 0.2 | |
--.BNI.Z. | 1987-05-06T23:58:22.50 | 10.0 | undecidable | manual | PN | 222 | 1.6095 | 1.23 | 0.5 | |
--.LPG.Z. | 1987-05-06T23:58:18.10 | 10.0 | undecidable | manual | PN | 234 | 1.2654 | 1.52 | 0.4 | |
--.RSP.Z. | 1987-05-06T23:58:17.60 | 10.0 | undecidable | manual | PN | 211 | 1.2876 | 0.79 | 1 | |
--.ORO.Z. | 1987-05-06T23:58:14.50 | 10.0 | undecidable | manual | SG | 195 | 0.6327 | -1.23 | 0.3 | |
--.LSD.Z. | 1987-05-06T23:58:14.10 | 10.0 | undecidable | manual | PN | 223 | 1.0878 | 0.05 | 1.6 | |
--.ORX.Z. | 1987-05-06T23:58:13.70 | 10.0 | undecidable | manual | SG | 195 | 0.6327 | -1.88 | 0.1 | |
--.VAI.Z. | 1987-05-06T23:58:12.00 | 10.0 | undecidable | manual | SG | 135 | 0.5328 | -0.21 | 0.7 | |
--.LLS.Z. | 1987-05-06T23:58:08.50 | 10.0 | undecidable | manual | PG | 41 | 0.7992 | -0.47 | 1.5 | |
--.MUO.Z. | 1987-05-06T23:58:08.20 | 10.0 | undecidable | manual | PG | 21 | 0.777 | -0.55 | 1.4 | |
--.VAI.Z. | 1987-05-06T23:58:05.50 | 10.0 | undecidable | manual | PG | 135 | 0.5328 | 1.43 | 0.5 | |
--.ORO.Z. | 1987-05-06T23:58:05.50 | 10.0 | undecidable | manual | PG | 195 | 0.6327 | -0.6 | 1.4 | |
--.ORX.Z. | 1987-05-06T23:58:05.60 | 10.0 | undecidable | manual | PG | 195 | 0.6327 | -0.41 | 1.6 | |
--.DIX.Z. | 1987-05-06T23:58:04.70 | 10.0 | undecidable | manual | PG | 253 | 0.5883 | -0.38 | 1.6 | |
--.TMA.Z. | 1987-05-06T23:58:02.80 | 10.0 | undecidable | manual | PG | 107 | 0.4662 | 0.02 | 1.9 | |
--.MMK.Z. | 1987-05-06T23:57:59.10 | 10.0 | undecidable | manual | PG | 222 | 0.2664 | -0.03 | 1.9 |