A magnitude Md 2.5 earthquake occured in region: 7 km N Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1700, 12.8110 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 |
---|---|---|---|---|
Nocera Umbra | PG | 7 | 5839 | 5839 |
Gualdo Tadino | PG | 7 | 15208 | 21047 |
Fiuminata | MC | 10 | 1402 | 22449 |
Sefro | MC | 12 | 422 | 22871 |
Valtopina | PG | 13 | 1398 | 24269 |
Pioraco | MC | 14 | 1134 | 25403 |
Esanatoglia | MC | 14 | 2034 | 27437 |
Fossato di Vico | PG | 15 | 2840 | 30277 |
Serravalle di Chienti | MC | 16 | 1070 | 31347 |
Valfabbrica | PG | 17 | 3389 | 34736 |
Matelica | MC | 19 | 9981 | 44717 |
Sigillo | PG | 19 | 2404 | 47121 |
Assisi | PG | 19 | 28299 | 75420 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1987-03-25 15:32:11 |
43.17 | 12.811 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 43559 |
Field | Value |
---|---|
Time (UTC) | 1987-03-25 15:32:11 ± 0.217 |
Latitude | 43.1700 ± 0.0134 |
Longitude | 12.8110 ± 0.0170 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 43559 |
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) | 2026.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 78 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00138 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00882 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 43559 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:43:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MF9.Z. | 1987-03-25T15:32:47.00 | 10.0 | undecidable | manual | SG | 316 | 0.9768 | 1.42 | 0.1 | |
--.CRE.Z. | 1987-03-25T15:32:39.00 | 10.0 | undecidable | manual | SG | 305 | 0.7659 | 0.24 | 0.7 | |
--.AM8.Z. | 1987-03-25T15:32:37.90 | 10.0 | undecidable | manual | SG | 56 | 0.6882 | 0.97 | 0.3 | |
--.MF9.Z. | 1987-03-25T15:32:32.00 | 10.0 | undecidable | manual | PG | 316 | 0.9768 | 0.96 | 0.7 | |
--.AQU.Z. | 1987-03-25T15:32:29.50 | 10.0 | undecidable | manual | PG | 151 | 0.9213 | -0.44 | 1.4 | |
--.CRE.Z. | 1987-03-25T15:32:26.20 | 10.0 | undecidable | manual | PG | 305 | 0.7659 | -0.9 | 0.9 | |
--.AM8.Z. | 1987-03-25T15:32:25.60 | 10.0 | undecidable | manual | PG | 56 | 0.6882 | -0.52 | 1.6 | |
--.ARV.Z. | 1987-03-25T15:32:24.00 | 10.0 | undecidable | manual | SG | 16 | 0.3441 | -0.49 | 0.7 | |
--.CM8.Z. | 1987-03-25T15:32:21.74 | 10.0 | undecidable | manual | SG | 83 | 0.2442 | 1.03 | 0.3 | |
--.ARV.Z. | 1987-03-25T15:32:18.00 | 10.0 | undecidable | manual | PG | 16 | 0.3441 | -0.86 | 1.1 | |
--.ASS.Z. | 1987-03-25T15:32:18.00 | 10.0 | undecidable | manual | SG | 227 | 0.1554 | 0.5 | 1.1 | |
--.CM8.Z. | 1987-03-25T15:32:17.13 | 10.0 | undecidable | manual | PG | 83 | 0.2442 | 0.45 | 1.9 | |
--.ASS.Z. | 1987-03-25T15:32:14.50 | 10.0 | undecidable | manual | PG | 227 | 0.1554 | -0.32 | 2.1 |