A magnitude Md 2.1 earthquake occured in region: 4 km NW Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1370, 12.7640 at 26 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 | 4 | 5839 | 5839 |
Valtopina | PG | 9 | 1398 | 7237 |
Gualdo Tadino | PG | 11 | 15208 | 22445 |
Valfabbrica | PG | 13 | 3389 | 25834 |
Assisi | PG | 14 | 28299 | 54133 |
Fiuminata | MC | 15 | 1402 | 55535 |
Sefro | MC | 15 | 422 | 55957 |
Serravalle di Chienti | MC | 17 | 1070 | 57027 |
Fossato di Vico | PG | 18 | 2840 | 59867 |
Spello | PG | 18 | 8645 | 68512 |
Pioraco | MC | 19 | 1134 | 69646 |
Bastia Umbra | PG | 19 | 21874 | 91520 |
Esanatoglia | MC | 20 | 2034 | 93554 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1986-02-09 01:48:06 |
43.137 | 12.764 | 25 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 22389 |
Field | Value |
---|---|
Time (UTC) | 1986-02-09 01:48:06 ± 1.18 |
Latitude | 43.1370 ± 0.0548 |
Longitude | 12.7640 ± 0.0437 |
Depth (km) | 25 ± 9 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 22389 |
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) | 7052.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00097 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 22389 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:24:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1986-02-09T01:48:22.00 | 10.0 | undecidable | manual | SG | 19 | 0.3774 | 0.27 | 0.5 | |
--.PRG.Z. | 1986-02-09T01:48:17.00 | 10.0 | undecidable | manual | SG | 262 | 0.2664 | -1.58 | 0.2 | |
--.CM8.Z. | 1986-02-09T01:48:17.23 | 10.0 | undecidable | manual | SG | 77 | 0.2775 | -1.69 | 0.2 | |
--.ARV.Z. | 1986-02-09T01:48:16.00 | 10.0 | undecidable | manual | PG | 19 | 0.3774 | 0.75 | 0.8 | |
--.ASS.Z. | 1986-02-09T01:48:16.00 | 10.0 | undecidable | manual | SG | 227 | 0.111 | 0.82 | 0.6 | |
--.PRG.Z. | 1986-02-09T01:48:13.00 | 10.0 | undecidable | manual | PG | 262 | 0.2664 | -0.43 | 2.6 | |
--.ASS.Z. | 1986-02-09T01:48:13.00 | 10.0 | undecidable | manual | PG | 227 | 0.111 | 1.53 | 0.4 | |
--.CM8.Z. | 1986-02-09T01:48:13.59 | 10.0 | undecidable | manual | PG | 77 | 0.2775 | -0.03 | 2.8 |