A magnitude Md 2.0 earthquake occured in region: 2 km NE Sigillo (PG), on
and geographic coordinates (lat, lon) 43.3480, 12.7490 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 |
---|---|---|---|---|
Sigillo | PG | 2 | 2404 | 2404 |
Costacciaro | PG | 3 | 1216 | 3620 |
Fossato di Vico | PG | 6 | 2840 | 6460 |
Scheggia e Pascelupo | PG | 9 | 1393 | 7853 |
Fabriano | AN | 13 | 31480 | 39333 |
Gualdo Tadino | PG | 13 | 15208 | 54541 |
Sassoferrato | AN | 13 | 7285 | 61826 |
Gubbio | PG | 14 | 32216 | 94042 |
Serra Sant'Abbondio | PU | 16 | 1027 | 95069 |
Cantiano | PU | 17 | 2245 | 97314 |
Genga | AN | 18 | 1797 | 99111 |
Frontone | PU | 19 | 1300 | 100411 |
Esanatoglia | MC | 19 | 2034 | 102445 |
Cerreto d'Esi | AN | 19 | 3817 | 106262 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0
ML-VAX 1.6 |
1987-10-23 01:54:18 |
43.348 | 12.749 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 57499 |
Field | Value |
---|---|
Time (UTC) | 1987-10-23 01:54:18 ± 0.134 |
Latitude | 43.3480 ± 0.0092 |
Longitude | 12.7490 ± 0.0183 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 57499 |
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) | 1801.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 150 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00186 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00575 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 57499 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:55:08 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 57499 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1987-10-23T01:54:40.50 | 10.0 | undecidable | manual | SG | 295 | 0.6327 | -0.59 | 0.1 | |
--.CRE.Z. | 1987-10-23T01:54:32.00 | 10.0 | undecidable | manual | PG | 295 | 0.6327 | 0.39 | 0.6 | |
--.ASS.Z. | 1987-10-23T01:54:30.22 | 10.0 | undecidable | manual | SG | 194 | 0.2886 | 0.21 | 0.6 | |
--.ARV.Z. | 1987-10-23T01:54:27.21 | 10.0 | undecidable | manual | SG | 43 | 0.2109 | -0.01 | 0.8 | |
--.ASS.Z. | 1987-10-23T01:54:25.20 | 10.0 | undecidable | manual | PG | 194 | 0.2886 | -0.19 | 1.7 | |
--.ARV.Z. | 1987-10-23T01:54:23.56 | 10.0 | undecidable | manual | PG | 43 | 0.2109 | -0.04 | 2.1 |