A magnitude Md 2.5 earthquake occured in region: 4 km N Pietralunga (PG), on
and geographic coordinates (lat, lon) 43.4810, 12.4450 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 |
Apecchio | PU | 9 | 1882 | 3993 |
Piobbico | PU | 13 | 2029 | 6022 |
Cantiano | PU | 15 | 2245 | 8267 |
Montone | PG | 16 | 1680 | 9947 |
CittĂ di Castello | PG | 17 | 39913 | 49860 |
Gubbio | PG | 18 | 32216 | 82076 |
Cagli | PU | 18 | 8731 | 90807 |
Scheggia e Pascelupo | PG | 20 | 1393 | 92200 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1986-08-02 11:35:45 |
43.481 | 12.445 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 31889 |
Field | Value |
---|---|
Time (UTC) | 1986-08-02 11:35:45 ± 0.112 |
Latitude | 43.4810 ± 0.0145 |
Longitude | 12.4450 ± 0.0082 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 31889 |
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) | 1747.5 |
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 | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00324 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00397 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 31889 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:32:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1986-08-02T11:36:01.50 | 10.0 | undecidable | manual | SG | 160 | 0.444 | -0.52 | 0.1 | |
--.CRE.Z. | 1986-08-02T11:36:00.00 | 10.0 | undecidable | manual | SG | 291 | 0.3774 | -0.04 | 1.1 | |
--.ARV.Z. | 1986-08-02T11:35:59.50 | 10.0 | undecidable | manual | SG | 87 | 0.3552 | 0.13 | 0.6 | |
--.ASS.Z. | 1986-08-02T11:35:55.50 | 10.0 | undecidable | manual | PG | 160 | 0.444 | 0.33 | 0.7 | |
--.CRE.Z. | 1986-08-02T11:35:54.00 | 10.0 | undecidable | manual | PG | 291 | 0.3774 | -0.02 | 1.9 | |
--.ARV.Z. | 1986-08-02T11:35:53.50 | 10.0 | undecidable | manual | PG | 87 | 0.3552 | -0.14 | 1.6 |