A magnitude Md 2.0 earthquake occured in region: 6 km SE Sellano (PG), on
and geographic coordinates (lat, lon) 42.8540, 12.9760 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 |
---|---|---|---|---|
Sellano | PG | 6 | 1079 | 1079 |
Preci | PG | 6 | 724 | 1803 |
Cerreto di Spoleto | PG | 6 | 1075 | 2878 |
Norcia | PG | 12 | 4957 | 7835 |
Visso | MC | 13 | 1107 | 8942 |
Vallo di Nera | PG | 13 | 364 | 9306 |
Castelsantangelo sul Nera | MC | 15 | 281 | 9587 |
Cascia | PG | 15 | 3217 | 12804 |
Monte Cavallo | MC | 16 | 145 | 12949 |
Poggiodomo | PG | 16 | 117 | 13066 |
Campello sul Clitunno | PG | 17 | 2442 | 15508 |
Ussita | MC | 17 | 444 | 15952 |
Sant'Anatolia di Narco | PG | 18 | 564 | 16516 |
Trevi | PG | 19 | 8469 | 24985 |
Scheggino | PG | 20 | 461 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1987-08-06 01:20:57 |
42.854 | 12.976 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 53439 |
Field | Value |
---|---|
Time (UTC) | 1987-08-06 01:20:57 ± 0.301 |
Latitude | 42.8540 ± 0.0167 |
Longitude | 12.9760 ± 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 | 53439 |
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) | 2293.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 212 |
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) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00575 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 53439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:51:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-08-06T01:21:21.20 | 10.0 | undecidable | manual | SG | 357 | 0.6327 | 0.66 | 0.2 | |
--.ALP.Z. | 1987-08-06T01:21:13.48 | 10.0 | undecidable | manual | SG | 99 | 0.4329 | -0.45 | 0.6 | |
--.CM8.Z. | 1987-08-06T01:21:11.67 | 10.0 | undecidable | manual | SG | 19 | 0.3552 | 0.21 | 1.1 | |
--.ARV.Z. | 1987-08-06T01:21:10.00 | 10.0 | undecidable | manual | PG | 357 | 0.6327 | -0.97 | 0.3 | |
--.ASS.Z. | 1987-08-06T01:21:09.96 | 10.0 | undecidable | manual | SG | 311 | 0.3108 | 0.01 | 0.8 | |
--.ALP.Z. | 1987-08-06T01:21:07.56 | 10.0 | undecidable | manual | PG | 99 | 0.4329 | 0.4 | 1.3 | |
--.CM8.Z. | 1987-08-06T01:21:05.52 | 10.0 | undecidable | manual | PG | 19 | 0.3552 | -0.21 | 1.9 | |
--.ASS.Z. | 1987-08-06T01:21:04.91 | 10.0 | undecidable | manual | PG | 311 | 0.3108 | 0.05 | 1.9 |