A magnitude Md 2.1 earthquake occured in region: 7 km E Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0410, 12.8370 at 20 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 | 7 | 1398 | 1398 |
Nocera Umbra | PG | 9 | 5839 | 7237 |
Serravalle di Chienti | MC | 10 | 1070 | 8307 |
Foligno | PG | 14 | 57155 | 65462 |
Spello | PG | 14 | 8645 | 74107 |
Monte Cavallo | MC | 14 | 145 | 74252 |
Sefro | MC | 15 | 422 | 74674 |
Pieve Torina | MC | 17 | 1458 | 76132 |
Muccia | MC | 18 | 915 | 77047 |
Assisi | PG | 18 | 28299 | 105346 |
Fiuminata | MC | 18 | 1402 | 106748 |
Sellano | PG | 18 | 1079 | 107827 |
Trevi | PG | 20 | 8469 | 116296 |
Pioraco | MC | 20 | 1134 | 117430 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1997-09-26 23:04:04 |
43.041 | 12.837 | 20 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 280669 |
Field | Value |
---|---|
Time (UTC) | 1997-09-26 23:04:04 ± 0.256 |
Latitude | 43.0410 ± 0.0131 |
Longitude | 12.8370 ± 0.0420 |
Depth (km) | 20 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 280669 |
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) | 3710.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
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) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01004 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 280669 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:24:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1997-09-26T23:04:28.70 | 10.0 | undecidable | manual | SG | 189 | 0.666 | -0.34 | 0.6 | |
--.SFI.Z. | 1997-09-26T23:04:25.00 | 10.0 | undecidable | manual | PN | 320 | 1.11 | -0.18 | 1.5 | |
--.AQU.Z. | 1997-09-26T23:04:22.00 | 10.0 | undecidable | manual | PN | 148 | 0.7992 | 1.2 | 0.7 | |
--.ARV.Z. | 1997-09-26T23:04:22.50 | 10.0 | undecidable | manual | SG | 9 | 0.4551 | 0.43 | 0.7 | |
--.MNS.Z. | 1997-09-26T23:04:17.98 | 10.0 | undecidable | manual | PG | 189 | 0.666 | -0.48 | 1.3 | |
--.ARV.Z. | 1997-09-26T23:04:14.00 | 10.0 | undecidable | manual | PG | 9 | 0.4551 | -0.8 | 1.1 | |
--.ASS.Z. | 1997-09-26T23:04:13.00 | 10.0 | undecidable | manual | SG | 278 | 0.1332 | 0.12 | 0.8 | |
--.ASS.Z. | 1997-09-26T23:04:10.00 | 10.0 | undecidable | manual | PG | 278 | 0.1332 | 0.5 | 1.4 |