A magnitude Md 2.0 earthquake occured in region: 5 km N Valfabbrica (PG), on
and geographic coordinates (lat, lon) 43.2000, 12.6170 at 5 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 |
---|---|---|---|---|
Valfabbrica | PG | 5 | 3389 | 3389 |
Gualdo Tadino | PG | 14 | 15208 | 18597 |
Assisi | PG | 14 | 28299 | 46896 |
Bastia Umbra | PG | 16 | 21874 | 68770 |
Fossato di Vico | PG | 16 | 2840 | 71610 |
Nocera Umbra | PG | 17 | 5839 | 77449 |
Gubbio | PG | 17 | 32216 | 109665 |
Sigillo | PG | 18 | 2404 | 112069 |
Valtopina | PG | 19 | 1398 | 113467 |
Costacciaro | PG | 19 | 1216 | 114683 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1987-09-22 13:55:48 |
43.2 | 12.617 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 55869 |
Field | Value |
---|---|
Time (UTC) | 1987-09-22 13:55:48 ± 0.162 |
Latitude | 43.2000 ± 0.0094 |
Longitude | 12.6170 ± 0.0131 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 55869 |
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) | 1484.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 160 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00340 |
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 | 1 |
Type of magnitude | Md |
Reference to an origin | 55869 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:53:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-09-22T13:56:03.50 | 10.0 | undecidable | manual | SG | 38 | 0.3774 | -0.04 | 0.7 | |
--.CM8.Z. | 1987-09-22T13:56:03.22 | 10.0 | undecidable | manual | SG | 90 | 0.3774 | -0.41 | 0.6 | |
--.ARV.Z. | 1987-09-22T13:55:57.00 | 10.0 | undecidable | manual | PG | 38 | 0.3774 | -0.28 | 1.3 | |
--.CM8.Z. | 1987-09-22T13:55:57.97 | 10.0 | undecidable | manual | PG | 90 | 0.3774 | 0.63 | 0.4 | |
--.ASS.Z. | 1987-09-22T13:55:53.82 | 10.0 | undecidable | manual | SG | 169 | 0.1332 | -0.58 | 0.2 | |
--.PRG.Z. | 1987-09-22T13:55:53.00 | 10.0 | undecidable | manual | PG | 238 | 0.1776 | -0.03 | 2 | |
--.ASS.Z. | 1987-09-22T13:55:52.18 | 10.0 | undecidable | manual | PG | 169 | 0.1332 | 0.17 | 1.8 |