A magnitude Md 2.0 earthquake occured in region: 1 km NW Acqualagna (PU), on
and geographic coordinates (lat, lon) 43.6260, 12.6680 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 |
---|---|---|---|---|
Acqualagna | PU | 1 | 4393 | 4393 |
Fermignano | PU | 6 | 8596 | 12989 |
Cagli | PU | 9 | 8731 | 21720 |
Urbino | PU | 11 | 15019 | 36739 |
Urbania | PU | 13 | 7099 | 43838 |
Piobbico | PU | 13 | 2029 | 45867 |
Fossombrone | PU | 13 | 9575 | 55442 |
Frontone | PU | 14 | 1300 | 56742 |
Pergola | PU | 15 | 6333 | 63075 |
Isola del Piano | PU | 16 | 594 | 63669 |
Peglio | PU | 16 | 696 | 64365 |
Cantiano | PU | 17 | 2245 | 66610 |
Serra Sant'Abbondio | PU | 17 | 1027 | 67637 |
Sant'Ippolito | PU | 18 | 1563 | 69200 |
Montefelcino | PU | 18 | 2671 | 71871 |
Petriano | PU | 18 | 2829 | 74700 |
Fratte Rosa | PU | 19 | 966 | 75666 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1991-02-04 16:15:57 |
43.626 | 12.668 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 135409 |
Field | Value |
---|---|
Time (UTC) | 1991-02-04 16:15:57 ± 0.416 |
Latitude | 43.6260 ± 0.0505 |
Longitude | 12.6680 ± 0.0378 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 135409 |
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) | 6382.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 187 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00210 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00583 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 135409 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:06:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 1991-02-04T16:16:20.00 | 10.0 | undecidable | manual | SG | 295 | 0.6438 | -0.03 | 0.6 | |
--.CRE.Z. | 1991-02-04T16:16:16.50 | 10.0 | undecidable | manual | SG | 269 | 0.5106 | 0.8 | 0.3 | |
--.ASS.Z. | 1991-02-04T16:16:15.50 | 10.0 | undecidable | manual | SG | 181 | 0.555 | -1.63 | 0 | |
--.SFI.Z. | 1991-02-04T16:16:10.00 | 10.0 | undecidable | manual | PG | 295 | 0.6438 | -0.34 | 1.3 | |
--.ASS.Z. | 1991-02-04T16:16:09.50 | 10.0 | undecidable | manual | PG | 181 | 0.555 | 0.83 | 0.8 | |
--.ARV.Z. | 1991-02-04T16:16:08.00 | 10.0 | undecidable | manual | SG | 122 | 0.2331 | 1.36 | 0.1 | |
--.CRE.Z. | 1991-02-04T16:16:07.84 | 10.0 | undecidable | manual | PG | 269 | 0.5106 | 0 | 1.7 | |
--.ARV.Z. | 1991-02-04T16:16:02.27 | 10.0 | positive | manual | PG | 122 | 0.2331 | -0.34 | 3.1 |