A magnitude Md 2.5 earthquake occured in region: 3 km SW Bastia Umbra (PG), on
and geographic coordinates (lat, lon) 43.0440, 12.5350 at 18 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 |
---|---|---|---|---|
Bastia Umbra | PG | 3 | 21874 | 21874 |
Bettona | PG | 5 | 4367 | 26241 |
Cannara | PG | 7 | 4305 | 30546 |
Assisi | PG | 7 | 28299 | 58845 |
Torgiano | PG | 8 | 6725 | 65570 |
Deruta | PG | 12 | 9669 | 75239 |
Spello | PG | 13 | 8645 | 83884 |
Bevagna | PG | 14 | 5081 | 88965 |
Perugia | PG | 14 | 166134 | 255099 |
Valfabbrica | PG | 14 | 3389 | 258488 |
Gualdo Cattaneo | PG | 15 | 6155 | 264643 |
Foligno | PG | 17 | 57155 | 321798 |
Valtopina | PG | 18 | 1398 | 323196 |
Collazzone | PG | 18 | 3473 | 326669 |
Montefalco | PG | 19 | 5679 | 332348 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.6 |
1997-10-07 00:39:53 |
43.044 | 12.535 | 18 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 291439 |
Field | Value |
---|---|
Time (UTC) | 1997-10-07 00:39:53 ± 0.191 |
Latitude | 43.0440 ± 0.0099 |
Longitude | 12.5350 ± 0.0295 |
Depth (km) | 18 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 291439 |
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) | 2639.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 153 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00073 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01465 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 291439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:34:24 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 291439 |
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. | 1997-10-07T00:40:21.18 | 10.0 | undecidable | manual | PN | 144 | 1.6317 | 0.49 | 0.7 | |
--.FB9.Z. | 1997-10-07T00:40:17.52 | 10.0 | undecidable | manual | SG | 15 | 0.666 | 0.78 | 0.2 | |
--.MNS.Z. | 1997-10-07T00:40:16.12 | 10.0 | undecidable | manual | SG | 170 | 0.666 | -0.46 | 0.5 | |
--.ARV.Z. | 1997-10-07T00:40:12.00 | 10.0 | undecidable | manual | SG | 33 | 0.5439 | -0.65 | 0.3 | |
--.CRE.Z. | 1997-10-07T00:40:07.47 | 10.0 | undecidable | manual | PG | 323 | 0.7104 | -0.07 | 2 | |
--.MNS.Z. | 1997-10-07T00:40:06.40 | 10.0 | undecidable | manual | PG | 170 | 0.666 | -0.26 | 1.8 | |
--.FB9.Z. | 1997-10-07T00:40:06.98 | 10.0 | undecidable | manual | PG | 15 | 0.666 | 0.23 | 1.8 | |
--.ARV.Z. | 1997-10-07T00:40:03.58 | 10.0 | undecidable | manual | PG | 33 | 0.5439 | -0.81 | 0.5 | |
--.ASS.Z. | 1997-10-07T00:39:59.86 | 10.0 | undecidable | manual | SG | 77 | 0.0777 | 0.24 | 0.8 | |
--.ASS.Z. | 1997-10-07T00:39:57.33 | 10.0 | undecidable | manual | PG | 77 | 0.0777 | 0.46 | 1.3 |