A magnitude Md 2.0 earthquake occured in region: 6 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7360, 13.1020 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 |
---|---|---|---|---|
Norcia | PG | 6 | 4957 | 4957 |
Cascia | PG | 7 | 3217 | 8174 |
Accumoli | RI | 13 | 667 | 8841 |
Poggiodomo | PG | 14 | 117 | 8958 |
Cittareale | RI | 14 | 482 | 9440 |
Monteleone di Spoleto | PG | 15 | 599 | 10039 |
Arquata del Tronto | AP | 17 | 1178 | 11217 |
Preci | PG | 17 | 724 | 11941 |
Cerreto di Spoleto | PG | 18 | 1075 | 13016 |
Castelsantangelo sul Nera | MC | 18 | 281 | 13297 |
Amatrice | RI | 19 | 2657 | 15954 |
Vallo di Nera | PG | 20 | 364 | 16318 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1987-10-09 08:42:11 |
42.736 | 13.102 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 56749 |
Field | Value |
---|---|
Time (UTC) | 1987-10-09 08:42:11 ± 0.364 |
Latitude | 42.7360 ± 0.0191 |
Longitude | 13.1020 ± 0.0178 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 56749 |
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) | 2572.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 232 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00308 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00688 |
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 | 56749 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:54:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1987-10-09T08:42:29.50 | 10.0 | undecidable | manual | SG | 315 | 0.4551 | 0.87 | 0.1 | |
--.CM8.Z. | 1987-10-09T08:42:28.39 | 10.0 | undecidable | manual | SG | 4 | 0.4551 | -0.11 | 1.1 | |
--.ARV.Z. | 1987-10-09T08:42:27.00 | 10.0 | undecidable | manual | PG | 351 | 0.7659 | -0.23 | 1.2 | |
--.ALP.Z. | 1987-10-09T08:42:25.17 | 10.0 | undecidable | manual | SG | 82 | 0.3441 | 0.39 | 0.7 | |
--.ASS.Z. | 1987-10-09T08:42:21.20 | 10.0 | undecidable | manual | PG | 315 | 0.4551 | -0.33 | 1.3 | |
--.CM8.Z. | 1987-10-09T08:42:21.32 | 10.0 | undecidable | manual | PG | 4 | 0.4551 | -0.13 | 1.8 | |
--.ALP.Z. | 1987-10-09T08:42:19.26 | 10.0 | undecidable | manual | PG? | 82 | 0.3441 | -0.04 | 0.8 |