A magnitude Md 2.2 earthquake occured in region: 6 km N Bastia Umbra (PG), on
and geographic coordinates (lat, lon) 43.1240, 12.5390 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 |
---|---|---|---|---|
Bastia Umbra | PG | 6 | 21874 | 21874 |
Valfabbrica | PG | 7 | 3389 | 25263 |
Assisi | PG | 9 | 28299 | 53562 |
Perugia | PG | 12 | 166134 | 219696 |
Bettona | PG | 13 | 4367 | 224063 |
Torgiano | PG | 14 | 6725 | 230788 |
Cannara | PG | 15 | 4305 | 235093 |
Spello | PG | 18 | 8645 | 243738 |
Deruta | PG | 18 | 9669 | 253407 |
Valtopina | PG | 19 | 1398 | 254805 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1988-10-26 17:38:12 |
43.124 | 12.539 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 79869 |
Field | Value |
---|---|
Time (UTC) | 1988-10-26 17:38:12 ± 0.39 |
Latitude | 43.1240 ± 0.0233 |
Longitude | 12.5390 ± 0.0167 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 79869 |
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) | 2923.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 238 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
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) | 0.00397 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00583 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 79869 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:15:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1988-10-26T17:38:35.23 | 10.0 | undecidable | manual | SG | 319 | 0.6438 | 0.14 | 0.6 | |
--.CIO.Z. | 1988-10-26T17:38:29.20 | 10.0 | undecidable | manual | SG | 81 | 0.444 | 0.78 | 0.1 | |
--.ARV.Z. | 1988-10-26T17:38:29.50 | 10.0 | undecidable | manual | SG | 38 | 0.4662 | 0.13 | 0.7 | |
--.CRE.Z. | 1988-10-26T17:38:25.12 | 10.0 | undecidable | manual | PG | 319 | 0.6438 | -0.28 | 1.2 | |
--.ARV.Z. | 1988-10-26T17:38:21.69 | 10.0 | positive | manual | PG | 38 | 0.4662 | -0.41 | 1.9 | |
--.CIO.Z. | 1988-10-26T17:38:21.38 | 10.0 | undecidable | manual | PG | 81 | 0.444 | -0.18 | 1.6 |