A magnitude Md 2.1 earthquake occured in region: 6 km E Apecchio (PU), on
and geographic coordinates (lat, lon) 43.5390, 12.4840 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 |
---|---|---|---|---|
Apecchio | PU | 6 | 1882 | 1882 |
Piobbico | PU | 6 | 2029 | 3911 |
Pietralunga | PG | 11 | 2111 | 6022 |
Cagli | PU | 13 | 8731 | 14753 |
Cantiano | PU | 14 | 2245 | 16998 |
Urbania | PU | 15 | 7099 | 24097 |
Sant'Angelo in Vado | PU | 15 | 4133 | 28230 |
Mercatello sul Metauro | PU | 17 | 1378 | 29608 |
Acqualagna | PU | 18 | 4393 | 34001 |
Peglio | PU | 18 | 696 | 34697 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.7 |
1991-11-08 15:41:12 |
43.539 | 12.484 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 153019 |
Field | Value |
---|---|
Time (UTC) | 1991-11-08 15:41:12 ± 0.367 |
Latitude | 43.5390 ± 0.0223 |
Longitude | 12.4840 ± 0.0362 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 153019 |
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) | 3825.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 116 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00300 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00526 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 153019 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:22:49 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 153019 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1991-11-08T15:41:29.97 | 10.0 | undecidable | manual | SG | 165 | 0.4884 | -0.06 | 0.7 | |
--.ARV.Z. | 1991-11-08T15:41:25.62 | 10.0 | undecidable | manual | SG | 97 | 0.333 | 0.61 | 0.6 | |
--.ASS.Z. | 1991-11-08T15:41:22.35 | 10.0 | undecidable | manual | PG | 165 | 0.4884 | -0.2 | 1.6 | |
--.SFI.Z. | 1991-11-08T15:41:22.66 | 10.0 | undecidable | manual | PG | 308 | 0.5883 | -1.64 | 0.3 | |
--.CRE.Z. | 1991-11-08T15:41:22.11 | 10.0 | undecidable | manual | PG | 282 | 0.3885 | 1.37 | 0.6 | |
--.RSM.Z. | 1991-11-08T15:41:21.19 | 10.0 | undecidable | manual | PG | 356 | 0.3885 | 0.53 | 1.5 | |
--.ARV.Z. | 1991-11-08T15:41:19.38 | 10.0 | undecidable | manual | PG | 97 | 0.333 | -0.27 | 1.7 |