A magnitude Md 2.2 earthquake occured in region: 5 km NW Pietralunga (PG), on
and geographic coordinates (lat, lon) 43.4860, 12.4100 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 | 5 | 2111 | 2111 |
Apecchio | PU | 8 | 1882 | 3993 |
Piobbico | PU | 14 | 2029 | 6022 |
CittĂ di Castello | PG | 14 | 39913 | 45935 |
Montone | PG | 15 | 1680 | 47615 |
Cantiano | PU | 18 | 2245 | 49860 |
Mercatello sul Metauro | PU | 19 | 1378 | 51238 |
Sant'Angelo in Vado | PU | 20 | 4133 | 55371 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-12-03 20:07:56 |
43.486 | 12.41 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 59249 |
Field | Value |
---|---|
Time (UTC) | 1987-12-03 20:07:56 ± 0.125 |
Latitude | 43.4860 ± 0.0106 |
Longitude | 12.4100 ± 0.0097 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 59249 |
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) | 1418.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00316 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00542 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 59249 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:56:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CM8.Z. | 1987-12-03T20:08:18.44 | 10.0 | undecidable | manual | SG | 118 | 0.5994 | 0.45 | 0.2 | |
--.ASS.Z. | 1987-12-03T20:08:12.88 | 10.0 | undecidable | manual | SG | 156 | 0.4551 | -0.32 | 0.5 | |
--.ARV.Z. | 1987-12-03T20:08:11.14 | 10.0 | undecidable | manual | SG | 87 | 0.3885 | 0.23 | 0.7 | |
--.CRE.Z. | 1987-12-03T20:08:09.57 | 10.0 | undecidable | manual | SG | 291 | 0.3552 | -0.4 | 0.3 | |
--.CM8.Z. | 1987-12-03T20:08:08.63 | 10.0 | undecidable | manual | PG | 118 | 0.5994 | -0.29 | 1.1 | |
--.ASS.Z. | 1987-12-03T20:08:06.38 | 10.0 | undecidable | manual | PG | 156 | 0.4551 | 0.22 | 1.7 | |
--.CRE.Z. | 1987-12-03T20:08:04.57 | 10.0 | undecidable | manual | PG | 291 | 0.3552 | 0.27 | 1.5 | |
--.ARV.Z. | 1987-12-03T20:08:04.68 | 10.0 | undecidable | manual | PG | 87 | 0.3885 | -0.16 | 2 |