A magnitude Md 2.1 earthquake occured in region: 7 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0270, 12.8330 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 |
---|---|---|---|---|
Valtopina | PG | 7 | 1398 | 1398 |
Nocera Umbra | PG | 10 | 5839 | 7237 |
Serravalle di Chienti | MC | 11 | 1070 | 8307 |
Foligno | PG | 13 | 57155 | 65462 |
Spello | PG | 14 | 8645 | 74107 |
Monte Cavallo | MC | 14 | 145 | 74252 |
Sefro | MC | 16 | 422 | 74674 |
Sellano | PG | 17 | 1079 | 75753 |
Trevi | PG | 18 | 8469 | 84222 |
Pieve Torina | MC | 18 | 1458 | 85680 |
Assisi | PG | 18 | 28299 | 113979 |
Muccia | MC | 18 | 915 | 114894 |
Fiuminata | MC | 20 | 1402 | 116296 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.8 |
1997-10-01 06:27:24 |
43.027 | 12.833 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 286289 |
Field | Value |
---|---|
Time (UTC) | 1997-10-01 06:27:24 ± 0.249 |
Latitude | 43.0270 ± 0.0038 |
Longitude | 12.8330 ± 0.0304 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 286289 |
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) | 2504.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 180 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00121 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 286289 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:29:51 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 286289 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-10-01T06:27:48.27 | 10.0 | undecidable | manual | SG | 356 | 0.666 | -0.03 | 0.7 | |
--.ARV.Z. | 1997-10-01T06:27:42.35 | 10.0 | undecidable | manual | SG | 9 | 0.4773 | 0.07 | 0.8 | |
--.MNS.Z. | 1997-10-01T06:27:38.13 | 10.0 | undecidable | manual | PG | 189 | 0.6438 | -0.02 | 1.9 | |
--.FB9.Z. | 1997-10-01T06:27:38.63 | 10.0 | undecidable | manual | PG | 356 | 0.666 | 0.2 | 1 | |
--.ARV.Z. | 1997-10-01T06:27:34.71 | 10.0 | undecidable | manual | PG | 9 | 0.4773 | -0.24 | 0.9 | |
--.ASS.Z. | 1997-10-01T06:27:30.92 | 10.0 | undecidable | manual | SG | 285 | 0.1332 | -0.3 | 0.2 | |
--.ASS.Z. | 1997-10-01T06:27:28.74 | 10.0 | undecidable | manual | PG | 285 | 0.1332 | 0.17 | 1.5 |