A magnitude Md 2.0 earthquake occured in region: 1 km S Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1010, 12.7910 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 |
---|---|---|---|---|
Nocera Umbra | PG | 1 | 5839 | 5839 |
Valtopina | PG | 5 | 1398 | 7237 |
Serravalle di Chienti | MC | 14 | 1070 | 8307 |
Sefro | MC | 14 | 422 | 8729 |
Assisi | PG | 15 | 28299 | 37028 |
Gualdo Tadino | PG | 15 | 15208 | 52236 |
Fiuminata | MC | 15 | 1402 | 53638 |
Spello | PG | 15 | 8645 | 62283 |
Valfabbrica | PG | 17 | 3389 | 65672 |
Foligno | PG | 18 | 57155 | 122827 |
Pioraco | MC | 18 | 1134 | 123961 |
Bastia Umbra | PG | 20 | 21874 | 145835 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1997-10-31 03:51:14 |
43.101 | 12.791 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 308149 |
Field | Value |
---|---|
Time (UTC) | 1997-10-31 03:51:14 ± 0.084 |
Latitude | 43.1010 ± 0.0049 |
Longitude | 12.7910 ± 0.0099 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 308149 |
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) | 970.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00097 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00526 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 308149 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:49:11 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-10-31T03:51:36.31 | 10.0 | undecidable | manual | SG | 358 | 0.5883 | 0.58 | 0 | |
--.ARV.Z. | 1997-10-31T03:51:29.85 | 10.0 | undecidable | manual | SG | 15 | 0.3996 | -0.17 | 0.4 | |
--.NRCA.Z. | 1997-10-31T03:51:28.16 | 10.0 | undecidable | manual | SG | 138 | 0.3552 | -0.08 | 0.6 | |
--.FB9.Z. | 1997-10-31T03:51:26.68 | 10.0 | undecidable | manual | PG | 358 | 0.5883 | -0.19 | 0.8 | |
--.ARV.Z. | 1997-10-31T03:51:23.44 | 10.0 | undecidable | manual | PG | 15 | 0.3996 | -0.14 | 1.3 | |
--.NRCA.Z. | 1997-10-31T03:51:22.61 | 10.0 | undecidable | manual | PG | 138 | 0.3552 | 0.06 | 1.6 | |
--.SNTG.Z. | 1997-10-31T03:51:22.44 | 10.0 | undecidable | manual | SG | 35 | 0.1776 | -0.29 | 0.2 | |
--.ASS.Z. | 1997-10-31T03:51:19.86 | 10.0 | undecidable | manual | SG | 248 | 0.111 | -0.22 | 0.4 | |
--.SNTG.Z. | 1997-10-31T03:51:19.48 | 10.0 | positive | manual | PG | 35 | 0.1776 | 0.11 | 3 | |
--.ASS.Z. | 1997-10-31T03:51:17.93 | 10.0 | undecidable | manual | PG | 248 | 0.111 | 0.09 | 1.6 |