A magnitude Md 1.9 earthquake occured in region: 3 km E Giano dell'Umbria (PG), on
and geographic coordinates (lat, lon) 42.8420, 12.6110 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 |
---|---|---|---|---|
Giano dell'Umbria | PG | 3 | 3846 | 3846 |
Castel Ritaldi | PG | 6 | 3278 | 7124 |
Montefalco | PG | 7 | 5679 | 12803 |
Gualdo Cattaneo | PG | 9 | 6155 | 18958 |
Massa Martana | PG | 10 | 3770 | 22728 |
Bevagna | PG | 10 | 5081 | 27809 |
Trevi | PG | 12 | 8469 | 36278 |
Campello sul Clitunno | PG | 14 | 2442 | 38720 |
Foligno | PG | 15 | 57155 | 95875 |
Collazzone | PG | 15 | 3473 | 99348 |
Spoleto | PG | 16 | 38218 | 137566 |
Cannara | PG | 17 | 4305 | 141871 |
Acquasparta | TR | 18 | 4778 | 146649 |
Spello | PG | 18 | 8645 | 155294 |
Todi | PG | 18 | 16851 | 172145 |
Fratta Todina | PG | 20 | 1839 | 173984 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9 | 1987-05-06 14:52:15 |
42.842 | 12.611 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 46429 |
Field | Value |
---|---|
Time (UTC) | 1987-05-06 14:52:15 ± 0.745 |
Latitude | 42.8420 ± 0.0369 |
Longitude | 12.6110 ± 0.0352 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 46429 |
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) | 5003.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 281 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00194 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00623 |
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 | 1.9 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 46429 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:45:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-05-06T14:52:40.00 | 10.0 | undecidable | manual | SG | 20 | 0.6882 | -0.27 | 0.5 | |
--.CM8.Z. | 1987-05-06T14:52:34.25 | 10.0 | undecidable | manual | SG | 47 | 0.5217 | -0.41 | 0.7 | |
--.ARV.Z. | 1987-05-06T14:52:29.50 | 10.0 | undecidable | manual | PG | 20 | 0.6882 | -0.46 | 1 | |
--.CM8.Z. | 1987-05-06T14:52:26.79 | 10.0 | positive | manual | PG | 47 | 0.5217 | 0.06 | 3 | |
--.ASS.Z. | 1987-05-06T14:52:25.10 | 10.0 | undecidable | manual | SG | 7 | 0.2109 | 0.17 | 0.6 | |
--.PRG.Z. | 1987-05-06T14:52:22.00 | 10.0 | undecidable | manual | PG | 328 | 0.2997 | -0.6 | 1 | |
--.ASS.Z. | 1987-05-06T14:52:22.50 | 10.0 | undecidable | manual | PG | 7 | 0.2109 | 1.39 | 0.2 |