A magnitude Md 2.5 earthquake occured in region: 8 km N Gubbio (PG), on
and geographic coordinates (lat, lon) 43.4230, 12.5620 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 |
---|---|---|---|---|
Gubbio | PG | 8 | 32216 | 32216 |
Cantiano | PU | 8 | 2245 | 34461 |
Scheggia e Pascelupo | PG | 9 | 1393 | 35854 |
Pietralunga | PG | 10 | 2111 | 37965 |
Costacciaro | PG | 14 | 1216 | 39181 |
Cagli | PU | 16 | 8731 | 47912 |
Sigillo | PG | 18 | 2404 | 50316 |
Frontone | PU | 18 | 1300 | 51616 |
Serra Sant'Abbondio | PU | 19 | 1027 | 52643 |
Apecchio | PU | 19 | 1882 | 54525 |
Piobbico | PU | 19 | 2029 | 56554 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.8 |
1987-09-21 18:16:47 |
43.423 | 12.562 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 55809 |
Field | Value |
---|---|
Time (UTC) | 1987-09-21 18:16:47 ± 0.528 |
Latitude | 43.4230 ± 0.0237 |
Longitude | 12.5620 ± 0.0361 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 55809 |
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) | 3931.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 234 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00251 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00429 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 55809 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:53:40 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 55809 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.CM8.Z. | 1987-09-21T18:17:06.70 | 10.0 | undecidable | manual | SG | 118 | 0.4773 | 0.85 | 0.3 | |
--.ASS.Z. | 1987-09-21T18:17:01.60 | 10.0 | undecidable | manual | SG | 169 | 0.3552 | -0.48 | 0.5 | |
--.ARV.Z. | 1987-09-21T18:16:58.73 | 10.0 | undecidable | manual | SG | 74 | 0.2775 | -0.28 | 0.7 | |
--.CM8.Z. | 1987-09-21T18:16:57.64 | 10.0 | undecidable | manual | PG | 118 | 0.4773 | -0.24 | 1.6 | |
--.PRG.Z. | 1987-09-21T18:16:56.00 | 10.0 | undecidable | manual | PG | 200 | 0.3441 | 0.66 | 0.9 | |
--.ASS.Z. | 1987-09-21T18:16:55.10 | 10.0 | undecidable | manual | PG | 169 | 0.3552 | -0.66 | 0.9 | |
--.ARV.Z. | 1987-09-21T18:16:54.31 | 10.0 | undecidable | manual | PG | 74 | 0.2775 | 0.02 | 2 |