A magnitude Md 2.3 earthquake occured in region: 3 km NE Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7640, 12.7550 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 |
---|---|---|---|---|
Spoleto | PG | 3 | 38218 | 38218 |
Campello sul Clitunno | PG | 7 | 2442 | 40660 |
Sant'Anatolia di Narco | PG | 8 | 564 | 41224 |
Scheggino | PG | 8 | 461 | 41685 |
Vallo di Nera | PG | 9 | 364 | 42049 |
Castel Ritaldi | PG | 9 | 3278 | 45327 |
Trevi | PG | 13 | 8469 | 53796 |
Cerreto di Spoleto | PG | 15 | 1075 | 54871 |
Poggiodomo | PG | 16 | 117 | 54988 |
Ferentillo | TR | 16 | 1913 | 56901 |
Giano dell'Umbria | PG | 16 | 3846 | 60747 |
Montefalco | PG | 17 | 5679 | 66426 |
Montefranco | TR | 19 | 1276 | 67702 |
Acquasparta | TR | 19 | 4778 | 72480 |
Massa Martana | PG | 19 | 3770 | 76250 |
Sellano | PG | 20 | 1079 | 77329 |
Arrone | TR | 20 | 2763 | 80092 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 2004-04-04 17:03:47 |
42.764 | 12.755 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 495889 |
Field | Value |
---|---|
Time (UTC) | 2004-04-04 17:03:47 ± 0.135 |
Latitude | 42.7640 ± 0.0065 |
Longitude | 12.7550 ± 0.0164 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 495889 |
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) | 1521.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 157 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.00243 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00834 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 6 |
Type of magnitude | Md |
Reference to an origin | 495889 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 00:53:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FSSB.Z. | 2004-04-04T17:04:18.39 | 10.0 | undecidable | manual | SG | 1 | 0.9213 | -0.37 | 0.4 | |
--.ARV.Z. | 2004-04-04T17:04:13.53 | 10.0 | undecidable | manual | SG | 10 | 0.7437 | 0.57 | 0.2 | |
--.FSSB.Z. | 2004-04-04T17:04:05.37 | 10.0 | undecidable | manual | PG | 1 | 0.9213 | 0.01 | 1.8 | |
--.SNTG.Z. | 2004-04-04T17:04:05.73 | 10.0 | undecidable | manual | SG | 15 | 0.4995 | 0.42 | 0.5 | |
--.ARV.Z. | 2004-04-04T17:04:01.50 | 10.0 | undecidable | manual | PG | 10 | 0.7437 | -0.52 | 0.7 | |
--.MNS.Z. | 2004-04-04T17:04:00.91 | 10.0 | undecidable | manual | SG | 188 | 0.3774 | -0.37 | 0.6 | |
--.ASS.Z. | 2004-04-04T17:03:59.30 | 10.0 | undecidable | manual | SG | 346 | 0.3108 | 0.46 | 0.5 | |
--.NRCA.Z. | 2004-04-04T17:03:58.12 | 10.0 | undecidable | manual | SG | 75 | 0.2664 | 0.41 | 0.5 | |
--.SNTG.Z. | 2004-04-04T17:03:57.21 | 10.0 | undecidable | manual | PG | 15 | 0.4995 | -0.39 | 1.4 | |
--.MNS.Z. | 2004-04-04T17:03:55.57 | 10.0 | undecidable | manual | PG | 188 | 0.3774 | 0.3 | 1.8 | |
--.ASS.Z. | 2004-04-04T17:03:53.63 | 10.0 | undecidable | manual | PG | 346 | 0.3108 | -0.24 | 2 | |
--.NRCA.Z. | 2004-04-04T17:03:52.87 | 10.0 | undecidable | manual | PG | 75 | 0.2664 | -0.34 | 1.6 |