A magnitude Md 2.5 earthquake occured in region: 4 km S Giano dell'Umbria (PG), on
and geographic coordinates (lat, lon) 42.8030, 12.5880 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 | 4 | 3846 | 3846 |
Massa Martana | PG | 6 | 3770 | 7616 |
Castel Ritaldi | PG | 7 | 3278 | 10894 |
Montefalco | PG | 12 | 5679 | 16573 |
Gualdo Cattaneo | PG | 12 | 6155 | 22728 |
Acquasparta | TR | 13 | 4778 | 27506 |
Spoleto | PG | 15 | 38218 | 65724 |
Bevagna | PG | 15 | 5081 | 70805 |
Todi | PG | 15 | 16851 | 87656 |
Trevi | PG | 16 | 8469 | 96125 |
Campello sul Clitunno | PG | 16 | 2442 | 98567 |
Collazzone | PG | 16 | 3473 | 102040 |
Montecastrilli | TR | 19 | 5022 | 107062 |
Fratta Todina | PG | 19 | 1839 | 108901 |
Foligno | PG | 20 | 57155 | 166056 |
Monte Castello di Vibio | PG | 20 | 1567 | 167623 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1985-07-19 09:50:20 |
42.803 | 12.588 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 10339 |
Field | Value |
---|---|
Time (UTC) | 1985-07-19 09:50:20 ± 0.321 |
Latitude | 42.8030 ± 0.0114 |
Longitude | 12.5880 ± 0.0482 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 10339 |
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) | 4128.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 199 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00235 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00380 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 10339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:13:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1985-07-19T09:50:36.50 | 10.0 | undecidable | manual | SG | 170 | 0.4218 | 0.38 | 0.5 | |
--.PO9.Z. | 1985-07-19T09:50:34.00 | 10.0 | undecidable | manual | SG | 131 | 0.3441 | 0.36 | 0.7 | |
--.AS1.Z. | 1985-07-19T09:50:31.50 | 10.0 | undecidable | manual | SG | 10 | 0.2553 | 0.52 | 0.5 | |
--.MNS.Z. | 1985-07-19T09:50:29.60 | 10.0 | undecidable | manual | PG | 170 | 0.4218 | 0.03 | 1.8 | |
--.PO9.Z. | 1985-07-19T09:50:27.00 | 10.0 | undecidable | manual | PG | 131 | 0.3441 | -1.13 | 0.5 | |
--.AS1.Z. | 1985-07-19T09:50:26.50 | 10.0 | undecidable | manual | PG | 10 | 0.2553 | -0.1 | 2 |