A magnitude Md 2.2 earthquake occured in region: 4 km E Pietralunga (PG), on
and geographic coordinates (lat, lon) 43.4520, 12.4860 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 |
---|---|---|---|---|
Pietralunga | PG | 4 | 2111 | 2111 |
Cantiano | PU | 12 | 2245 | 4356 |
Apecchio | PU | 13 | 1882 | 6238 |
Gubbio | PG | 13 | 32216 | 38454 |
Piobbico | PU | 16 | 2029 | 40483 |
Scheggia e Pascelupo | PG | 16 | 1393 | 41876 |
Montone | PG | 16 | 1680 | 43556 |
Cagli | PU | 17 | 8731 | 52287 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-04-29 10:09:47 |
43.452 | 12.486 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 45889 |
Field | Value |
---|---|
Time (UTC) | 1987-04-29 10:09:47 ± 0.692 |
Latitude | 43.4520 ± 0.0228 |
Longitude | 12.4860 ± 0.0405 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 45889 |
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) | 4136.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 279 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
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) | 0.00300 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00486 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 45889 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:45:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CM8.Z. | 1987-04-29T10:10:06.75 | 10.0 | undecidable | manual | SG | 118 | 0.5439 | 0.21 | 0.6 | |
--.ASS.Z. | 1987-04-29T10:10:02.50 | 10.0 | undecidable | manual | SG | 163 | 0.3996 | 0.3 | 1 | |
--.ARV.Z. | 1987-04-29T10:10:00.00 | 10.0 | undecidable | manual | SG | 82 | 0.333 | 0.13 | 0.8 | |
--.CM8.Z. | 1987-04-29T10:09:57.26 | 10.0 | undecidable | manual | PG | 118 | 0.5439 | -1.1 | 0.3 | |
--.ASS.Z. | 1987-04-29T10:09:56.00 | 10.0 | undecidable | manual | PG | 163 | 0.3996 | 0.14 | 1.9 | |
--.ARV.Z. | 1987-04-29T10:09:55.00 | 10.0 | undecidable | manual | PG | 82 | 0.333 | 0.48 | 1.4 |