A magnitude Md 2.1 earthquake occured in region: 4 km W Montefalco (PG), on
and geographic coordinates (lat, lon) 42.8870, 12.6030 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 |
---|---|---|---|---|
Montefalco | PG | 4 | 5679 | 5679 |
Gualdo Cattaneo | PG | 5 | 6155 | 11834 |
Bevagna | PG | 5 | 5081 | 16915 |
Giano dell'Umbria | PG | 6 | 3846 | 20761 |
Castel Ritaldi | PG | 9 | 3278 | 24039 |
Foligno | PG | 11 | 57155 | 81194 |
Trevi | PG | 12 | 8469 | 89663 |
Cannara | PG | 12 | 4305 | 93968 |
Spello | PG | 13 | 8645 | 102613 |
Collazzone | PG | 13 | 3473 | 106086 |
Massa Martana | PG | 14 | 3770 | 109856 |
Campello sul Clitunno | PG | 16 | 2442 | 112298 |
Bettona | PG | 17 | 4367 | 116665 |
Deruta | PG | 18 | 9669 | 126334 |
Fratta Todina | PG | 20 | 1839 | 128173 |
Todi | PG | 20 | 16851 | 145024 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 2000-08-22 00:01:45 |
42.887 | 12.603 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 401409 |
Field | Value |
---|---|
Time (UTC) | 2000-08-22 00:01:45 ± 0.15 |
Latitude | 42.8870 ± 0.0059 |
Longitude | 12.6030 ± 0.0162 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 401409 |
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) | 1474.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 198 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00154 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00453 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 401409 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:17:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 2000-08-22T00:02:03.43 | 10.0 | undecidable | manual | SG | 173 | 0.4995 | 0.29 | 0.3 | |
--.SNTG.Z. | 2000-08-22T00:02:01.77 | 10.0 | undecidable | manual | SG | 33 | 0.444 | 0.65 | 0 | |
--.NRCA.Z. | 2000-08-22T00:01:59.12 | 10.0 | undecidable | manual | SG | 98 | 0.3663 | 0.08 | 0.7 | |
--.MNS.Z. | 2000-08-22T00:01:55.48 | 10.0 | undecidable | manual | PG | 173 | 0.4995 | 0 | 1.5 | |
--.SNTG.Z. | 2000-08-22T00:01:54.17 | 10.0 | undecidable | manual | PG | 33 | 0.444 | -0.14 | 1.3 | |
--.ASS.Z. | 2000-08-22T00:01:52.57 | 10.0 | undecidable | manual | SG | 11 | 0.1665 | -0.09 | 0.6 | |
--.NRCA.Z. | 2000-08-22T00:01:52.82 | 10.0 | undecidable | manual | PG | 98 | 0.3663 | -0.29 | 0.8 | |
--.ASS.Z. | 2000-08-22T00:01:49.27 | 10.0 | positive | manual | PG | 11 | 0.1665 | -0.16 | 2.8 |