A magnitude Md 2.3 earthquake occured in region: 1 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0510, 12.7660 at 19 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 |
---|---|---|---|---|
Valtopina | PG | 1 | 1398 | 1398 |
Nocera Umbra | PG | 7 | 5839 | 7237 |
Spello | PG | 10 | 8645 | 15882 |
Foligno | PG | 12 | 57155 | 73037 |
Assisi | PG | 12 | 28299 | 101336 |
Serravalle di Chienti | MC | 15 | 1070 | 102406 |
Cannara | PG | 16 | 4305 | 106711 |
Bastia Umbra | PG | 18 | 21874 | 128585 |
Valfabbrica | PG | 18 | 3389 | 131974 |
Bevagna | PG | 18 | 5081 | 137055 |
Sefro | MC | 18 | 422 | 137477 |
Trevi | PG | 19 | 8469 | 145946 |
Montefalco | PG | 20 | 5679 | 151625 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1999-09-17 17:23:05 |
43.051 | 12.766 | 19 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 373729 |
Field | Value |
---|---|
Time (UTC) | 1999-09-17 17:23:05 ± 0.267 |
Latitude | 43.0510 ± 0.0082 |
Longitude | 12.7660 ± 0.0203 |
Depth (km) | 19 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 373729 |
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) | 1881.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
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) | 0.00073 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00599 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 373729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:50:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1999-09-17T17:23:22.20 | 10.0 | undecidable | manual | SG | 16 | 0.4551 | -0.34 | 0.5 | |
--.MNS.Z. | 1999-09-17T17:23:18.66 | 10.0 | undecidable | manual | PG | 185 | 0.666 | -0.36 | 0.9 | |
--.NRCA.Z. | 1999-09-17T17:23:18.24 | 10.0 | undecidable | manual | SG | 130 | 0.333 | -0.29 | 0.6 | |
--.ARV.Z. | 1999-09-17T17:23:15.27 | 10.0 | undecidable | manual | PG | 16 | 0.4551 | -0.03 | 2 | |
--.NRCA.Z. | 1999-09-17T17:23:13.32 | 10.0 | undecidable | manual | PG | 130 | 0.333 | 0.34 | 1.4 | |
--.ASS.Z. | 1999-09-17T17:23:11.66 | 10.0 | undecidable | manual | SG | 277 | 0.0777 | -0.4 | 0.4 | |
--.ASS.Z. | 1999-09-17T17:23:09.63 | 10.0 | undecidable | manual | PG | 277 | 0.0777 | 0.38 | 1.2 |