A magnitude Md 2.3 earthquake occured in region: 3 km NE Vallo di Nera (PG), on
and geographic coordinates (lat, lon) 42.7930, 12.8730 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 |
---|---|---|---|---|
Vallo di Nera | PG | 3 | 364 | 364 |
Cerreto di Spoleto | PG | 5 | 1075 | 1439 |
Sant'Anatolia di Narco | PG | 7 | 564 | 2003 |
Campello sul Clitunno | PG | 8 | 2442 | 4445 |
Scheggino | PG | 9 | 461 | 4906 |
Poggiodomo | PG | 10 | 117 | 5023 |
Sellano | PG | 12 | 1079 | 6102 |
Spoleto | PG | 13 | 38218 | 44320 |
Trevi | PG | 14 | 8469 | 52789 |
Cascia | PG | 14 | 3217 | 56006 |
Preci | PG | 17 | 724 | 56730 |
Castel Ritaldi | PG | 17 | 3278 | 60008 |
Monteleone di Spoleto | PG | 17 | 599 | 60607 |
Norcia | PG | 18 | 4957 | 65564 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1989-03-04 15:06:15 |
42.793 | 12.873 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 87949 |
Field | Value |
---|---|
Time (UTC) | 1989-03-04 15:06:15 ± 0.662 |
Latitude | 42.7930 ± 0.0315 |
Longitude | 12.8730 ± 0.0265 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 87949 |
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) | 4118.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 294 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00275 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00826 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 87949 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:22:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AM8.Z. | 1989-03-04T15:06:47.70 | 10.0 | undecidable | manual | SG | 34 | 0.9213 | 1.07 | 0 | |
--.ARV.Z. | 1989-03-04T15:06:39.60 | 10.0 | undecidable | manual | SG | 4 | 0.6993 | -0.1 | 0.6 | |
--.AM8.Z. | 1989-03-04T15:06:33.20 | 10.0 | undecidable | manual | PG | 34 | 0.9213 | -0.09 | 1.2 | |
--.CM8.Z. | 1989-03-04T15:06:30.90 | 10.0 | undecidable | manual | SG | 26 | 0.444 | -0.47 | 0.5 | |
--.ARV.Z. | 1989-03-04T15:06:29.20 | 10.0 | undecidable | manual | PG | 4 | 0.6993 | -0.09 | 1.4 | |
--.ASS.Z. | 1989-03-04T15:06:26.80 | 10.0 | undecidable | manual | SG | 329 | 0.3108 | -0.27 | 0.8 | |
--.CM8.Z. | 1989-03-04T15:06:24.20 | 10.0 | undecidable | manual | PG | 26 | 0.444 | -0.28 | 2.6 | |
--.ASS.Z. | 1989-03-04T15:06:22.50 | 10.0 | undecidable | manual | PG | 329 | 0.3108 | 0.5 | 0.8 |