A magnitude Md 2.4 earthquake occured in region: 1 km SW Varzo (VB), on
and geographic coordinates (lat, lon) 46.2050, 8.2510 at 5 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 |
---|---|---|---|---|
Varzo | VB | 1 | 2046 | 2046 |
Trasquera | VB | 3 | 194 | 2240 |
Crodo | VB | 6 | 1404 | 3644 |
Crevoladossola | VB | 7 | 4655 | 8299 |
Montecrestese | VB | 7 | 1266 | 9565 |
Baceno | VB | 8 | 918 | 10483 |
Masera | VB | 10 | 1529 | 12012 |
Bognanco | VB | 10 | 219 | 12231 |
Premia | VB | 10 | 564 | 12795 |
Domodossola | VB | 10 | 18192 | 30987 |
Trontano | VB | 11 | 1660 | 32647 |
Beura-Cardezza | VB | 14 | 1485 | 34132 |
Villadossola | VB | 15 | 6653 | 40785 |
Montescheno | VB | 15 | 413 | 41198 |
Druogno | VB | 16 | 1027 | 42225 |
Borgomezzavalle | VB | 17 | 318 | 42543 |
Pallanzeno | VB | 18 | 1133 | 43676 |
Toceno | VB | 18 | 770 | 44446 |
Santa Maria Maggiore | VB | 18 | 1266 | 45712 |
Antrona Schieranco | VB | 19 | 428 | 46140 |
Piedimulera | VB | 20 | 1528 | 47668 |
Craveggia | VB | 20 | 745 | 48413 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-05-06 10:08:55 |
46.205 | 8.251 | 5 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 46419 |
Field | Value |
---|---|
Time (UTC) | 1987-05-06 10:08:55 ± 0.518 |
Latitude | 46.2050 ± 0.0138 |
Longitude | 8.2510 ± 0.0235 |
Depth (km) | 5 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 46419 |
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) | 2372.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 80 |
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) | 0.00219 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01408 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 46419 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:45:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SLE.Z. | 1987-05-06T10:09:44.90 | 10.0 | undecidable | manual | SN | 5 | 1.5651 | 0.28 | 0.5 | |
--.SLE.Z. | 1987-05-06T10:09:24.50 | 10.0 | undecidable | manual | PN | 5 | 1.5651 | 0.66 | 0.8 | |
--.OSS.Z. | 1987-05-06T10:09:23.00 | 10.0 | undecidable | manual | PN | 68 | 1.3875 | 1.63 | 0.2 | |
--.BBS.Z. | 1987-05-06T10:09:21.50 | 10.0 | undecidable | manual | PN | 338 | 1.3431 | 0.57 | 1 | |
--.ZLA.Z. | 1987-05-06T10:09:20.00 | 10.0 | undecidable | manual | PN | 3 | 1.2765 | 0.15 | 1.4 | |
--.RSP.Z. | 1987-05-06T10:09:20.20 | 10.0 | undecidable | manual | PN | 213 | 1.2543 | 0.59 | 1.1 | |
--.SAX.Z. | 1987-05-06T10:09:20.00 | 10.0 | undecidable | manual | PN | 35 | 1.2765 | 0.05 | 1.4 | |
--.ORO.Z. | 1987-05-06T10:09:17.50 | 10.0 | undecidable | manual | SG | 197 | 0.5994 | -0.32 | 0.9 | |
--.ORX.Z. | 1987-05-06T10:09:16.20 | 10.0 | undecidable | manual | SG | 198 | 0.5883 | -1.46 | 0.1 | |
--.VAI.Z. | 1987-05-06T10:09:14.50 | 10.0 | undecidable | manual | SG | 132 | 0.4884 | 0.3 | 0.7 | |
--.VDL.Z. | 1987-05-06T10:09:13.00 | 10.0 | undecidable | manual | PG | 70 | 0.8769 | -0.54 | 1.4 | |
--.LLS.Z. | 1987-05-06T10:09:11.00 | 10.0 | undecidable | manual | PG | 38 | 0.8214 | -1.46 | 0.4 | |
--.MUO.Z. | 1987-05-06T10:09:10.80 | 10.0 | undecidable | manual | PG | 19 | 0.8214 | -1.67 | 0.3 | |
--.ORO.Z. | 1987-05-06T10:09:08.00 | 10.0 | undecidable | manual | PG | 197 | 0.5994 | -0.36 | 1.6 | |
--.ORX.Z. | 1987-05-06T10:09:08.30 | 10.0 | undecidable | manual | PG | 198 | 0.5883 | 0.03 | 1.7 | |
--.DIX.Z. | 1987-05-06T10:09:07.30 | 10.0 | undecidable | manual | PG | 258 | 0.5883 | -0.85 | 1.1 | |
--.VAI.Z. | 1987-05-06T10:09:06.50 | 10.0 | undecidable | manual | PG | 132 | 0.4884 | 0.23 | 1.7 | |
--.TMA.Z. | 1987-05-06T10:09:05.40 | 10.0 | undecidable | manual | PG | 102 | 0.444 | 0.1 | 1.7 | |
--.MMK.Z. | 1987-05-06T10:09:01.70 | 10.0 | undecidable | manual | PG | 232 | 0.2442 | 0.59 | 1.1 |