A magnitude Md 2.5 earthquake occured in region: 4 km SW Varzo (VB), on
and geographic coordinates (lat, lon) 46.1810, 8.2280 at 9 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 | 4 | 2046 | 2046 |
Trasquera | VB | 4 | 194 | 2240 |
Crevoladossola | VB | 7 | 4655 | 6895 |
Bognanco | VB | 7 | 219 | 7114 |
Montecrestese | VB | 8 | 1266 | 8380 |
Domodossola | VB | 9 | 18192 | 26572 |
Crodo | VB | 9 | 1404 | 27976 |
Masera | VB | 9 | 1529 | 29505 |
Trontano | VB | 11 | 1660 | 31165 |
Baceno | VB | 12 | 918 | 32083 |
Montescheno | VB | 13 | 413 | 32496 |
Beura-Cardezza | VB | 13 | 1485 | 33981 |
Villadossola | VB | 13 | 6653 | 40634 |
Premia | VB | 13 | 564 | 41198 |
Borgomezzavalle | VB | 14 | 318 | 41516 |
Pallanzeno | VB | 15 | 1133 | 42649 |
Antrona Schieranco | VB | 16 | 428 | 43077 |
Druogno | VB | 17 | 1027 | 44104 |
Piedimulera | VB | 17 | 1528 | 45632 |
Toceno | VB | 19 | 770 | 46402 |
Santa Maria Maggiore | VB | 19 | 1266 | 47668 |
Pieve Vergonte | VB | 20 | 2593 | 50261 |
Vogogna | VB | 20 | 1731 | 51992 |
Calasca-Castiglione | VB | 20 | 649 | 52641 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
M 2.1 |
1987-01-08 05:57:53 |
46.181 | 8.228 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 39029 |
Field | Value |
---|---|
Time (UTC) | 1987-01-08 05:57:53 ± 0.221 |
Latitude | 46.1810 ± 0.0087 |
Longitude | 8.2280 ± 0.0136 |
Depth (km) | 9 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 39029 |
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) | 1428.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 79 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00194 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01433 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 39029 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:39:06 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 39029 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:50:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SLE.Z. | 1987-01-08T05:58:41.60 | 10.0 | undecidable | manual | SN | 6 | 1.5873 | -0.19 | 0.5 | |
--.OSS.Z. | 1987-01-08T05:58:38.30 | 10.0 | undecidable | manual | SN | 68 | 1.4097 | 0.82 | 0.1 | |
--.BBS.Z. | 1987-01-08T05:58:36.40 | 10.0 | undecidable | manual | SN | 339 | 1.3653 | -0.13 | 0.6 | |
--.SLE.Z. | 1987-01-08T05:58:21.50 | 10.0 | undecidable | manual | PN | 6 | 1.5873 | 0.29 | 1.2 | |
--.BBS.Z. | 1987-01-08T05:58:18.50 | 10.0 | undecidable | manual | PN | 339 | 1.3653 | 0.32 | 1.2 | |
--.OSS.Z. | 1987-01-08T05:58:18.60 | 10.0 | undecidable | manual | PN | 68 | 1.4097 | -0.13 | 1.6 | |
--.ORO.Z. | 1987-01-08T05:58:14.00 | 10.0 | undecidable | manual | SG | 197 | 0.5772 | 0.17 | 0.7 | |
--.VAI.E. | 1987-01-08T05:58:11.20 | 10.0 | undecidable | manual | SG | 129 | 0.4884 | 0.21 | 0.7 | |
--.TMA.Z. | 1987-01-08T05:58:08.80 | 10.0 | undecidable | manual | SG | 99 | 0.444 | -0.98 | 0 | |
--.ORO.Z. | 1987-01-08T05:58:05.00 | 10.0 | undecidable | manual | PG | 197 | 0.5772 | -0.07 | 2.2 | |
--.DIX.Z. | 1987-01-08T05:58:04.30 | 10.0 | undecidable | manual | PG | 259 | 0.5661 | -0.68 | 0.6 | |
--.VAI.Z. | 1987-01-08T05:58:03.80 | 10.0 | undecidable | manual | PG | 129 | 0.4884 | 0.37 | 1.3 | |
--.MMK.Z. | 1987-01-08T05:58:02.30 | 10.0 | undecidable | manual | SG | 234 | 0.2109 | 0.05 | 0.8 | |
--.TMA.Z. | 1987-01-08T05:58:02.30 | 10.0 | undecidable | manual | PG | 99 | 0.444 | -0.43 | 1.3 | |
--.MMK.Z. | 1987-01-08T05:57:58.50 | 10.0 | undecidable | manual | PG | 234 | 0.2109 | 0.11 | 2 |