A magnitude Md 2.1 earthquake occured in region: 4 km N Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1430, 12.7790 at 7 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 | 10 | 15208 | 22445 |
Fiuminata | MC | 14 | 1402 | 23847 |
Sefro | MC | 14 | 422 | 24269 |
Valfabbrica | PG | 15 | 3389 | 27658 |
Assisi | PG | 15 | 28299 | 55957 |
Serravalle di Chienti | MC | 16 | 1070 | 57027 |
Fossato di Vico | PG | 17 | 2840 | 59867 |
Pioraco | MC | 17 | 1134 | 61001 |
Esanatoglia | MC | 18 | 2034 | 63035 |
Spello | PG | 19 | 8645 | 71680 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 2.0 |
1997-09-26 15:16:49 |
43.143 | 12.779 | 7 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 279919 |
Field | Value |
---|---|
Time (UTC) | 1997-09-26 15:16:49 ± 0.235 |
Latitude | 43.1430 ± 0.0108 |
Longitude | 12.7790 ± 0.0206 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 279919 |
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) | 2058.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.00105 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01457 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 279919 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:24:17 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 279919 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1997-09-26T15:17:17.31 | 10.0 | undecidable | manual | PN | 151 | 1.6206 | -0.47 | 0.7 | |
--.CRE.Z. | 1997-09-26T15:17:16.40 | 10.0 | undecidable | manual | SG | 308 | 0.7659 | -0.07 | 0.8 | |
--.MNS.Z. | 1997-09-26T15:17:15.43 | 10.0 | undecidable | manual | SG | 185 | 0.7548 | -0.48 | 0.4 | |
--.SFI.Z. | 1997-09-26T15:17:11.67 | 10.0 | undecidable | manual | PG! | 318 | 1.0101 | 2.39 | 0 | |
--.FB9.Z. | 1997-09-26T15:17:08.27 | 10.0 | undecidable | manual | SG | 359 | 0.5439 | -0.81 | 0.2 | |
--.MNS.Z. | 1997-09-26T15:17:05.55 | 10.0 | undecidable | manual | PG | 185 | 0.7548 | 1.01 | 0.3 | |
--.ARV.Z. | 1997-09-26T15:17:04.23 | 10.0 | undecidable | manual | SG | 18 | 0.3663 | 0.72 | 0.3 | |
--.CRE.Z. | 1997-09-26T15:17:04.82 | 10.0 | undecidable | manual | PG | 308 | 0.7659 | 0.17 | 1.9 | |
--.FB9.Z. | 1997-09-26T15:17:00.63 | 10.0 | undecidable | manual | PG | 359 | 0.5439 | 0.03 | 2.2 | |
--.ARV.Z. | 1997-09-26T15:16:57.31 | 10.0 | undecidable | manual | PG | 18 | 0.3663 | -0.07 | 2.2 | |
--.ASS.Z. | 1997-09-26T15:16:54.40 | 10.0 | undecidable | manual | SG | 228 | 0.1221 | 0.05 | 0.9 | |
--.ASS.Z. | 1997-09-26T15:16:51.92 | 10.0 | undecidable | manual | PG | 228 | 0.1221 | -0.17 | 2 |