A magnitude Md 2.1 earthquake occured in region: 1 km SW Cannara (PG), on
and geographic coordinates (lat, lon) 42.9930, 12.5770 at 29 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 |
---|---|---|---|---|
Cannara | PG | 1 | 4305 | 4305 |
Bevagna | PG | 7 | 5081 | 9386 |
Spello | PG | 8 | 8645 | 18031 |
Bettona | PG | 8 | 4367 | 22398 |
Bastia Umbra | PG | 9 | 21874 | 44272 |
Assisi | PG | 9 | 28299 | 72571 |
Gualdo Cattaneo | PG | 9 | 6155 | 78726 |
Foligno | PG | 11 | 57155 | 135881 |
Torgiano | PG | 12 | 6725 | 142606 |
Montefalco | PG | 13 | 5679 | 148285 |
Deruta | PG | 13 | 9669 | 157954 |
Collazzone | PG | 16 | 3473 | 161427 |
Valtopina | PG | 16 | 1398 | 162825 |
Giano dell'Umbria | PG | 18 | 3846 | 166671 |
Valfabbrica | PG | 19 | 3389 | 170060 |
Trevi | PG | 19 | 8469 | 178529 |
Perugia | PG | 20 | 166134 | 344663 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1987-05-22 14:47:54 |
42.993 | 12.577 | 29 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 47549 |
Field | Value |
---|---|
Time (UTC) | 1987-05-22 14:47:54 ± 0.636 |
Latitude | 42.9930 ± 0.0518 |
Longitude | 12.5770 ± 0.0559 |
Depth (km) | 29 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 47549 |
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) | 7336.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 323 |
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) | 0.00073 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00510 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 47549 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:46:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-05-22T14:48:15.00 | 10.0 | undecidable | manual | SN | 27 | 0.5661 | 0.53 | 0.2 | |
--.CM8.Z. | 1987-05-22T14:48:11.87 | 10.0 | undecidable | manual | SN | 63 | 0.4551 | 0.05 | 1.2 | |
--.ARV.Z. | 1987-05-22T14:48:05.50 | 10.0 | undecidable | manual | PN | 27 | 0.5661 | -0.36 | 1.1 | |
--.CM8.Z. | 1987-05-22T14:48:04.29 | 10.0 | undecidable | manual | PN | 63 | 0.4551 | -0.05 | 2 | |
--.ASS.Z. | 1987-05-22T14:48:03.00 | 10.0 | undecidable | manual | SG | 38 | 0.0777 | -0.6 | 0.2 | |
--.ASS.Z. | 1987-05-22T14:48:00.00 | 10.0 | undecidable | manual | PG | 38 | 0.0777 | 0.41 | 1.2 |