A magnitude Md 2.0 earthquake occured in region: 6 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.8030, 13.0190 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 |
Cerreto di Spoleto | PG | 9 | 1075 | 6032 |
Preci | PG | 9 | 724 | 6756 |
Cascia | PG | 9 | 3217 | 9973 |
Poggiodomo | PG | 12 | 117 | 10090 |
Sellano | PG | 12 | 1079 | 11169 |
Vallo di Nera | PG | 13 | 364 | 11533 |
Castelsantangelo sul Nera | MC | 15 | 281 | 11814 |
Visso | MC | 15 | 1107 | 12921 |
Sant'Anatolia di Narco | PG | 17 | 564 | 13485 |
Monteleone di Spoleto | PG | 18 | 599 | 14084 |
Scheggino | PG | 18 | 461 | 14545 |
Ussita | MC | 19 | 444 | 14989 |
Campello sul Clitunno | PG | 20 | 2442 | 17431 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1991-07-01 20:54:57 |
42.803 | 13.019 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 144479 |
Field | Value |
---|---|
Time (UTC) | 1991-07-01 20:54:57 ± 0.335 |
Latitude | 42.8030 ± 0.0173 |
Longitude | 13.0190 ± 0.0097 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 144479 |
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) | 2076.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 271 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00178 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00623 |
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 | 144479 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:14:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1991-07-01T20:55:22.51 | 10.0 | undecidable | manual | SG | 355 | 0.6882 | 0.52 | 0.1 | |
--.CIO.Z. | 1991-07-01T20:55:12.30 | 10.0 | undecidable | manual | SG | 13 | 0.3996 | -0.2 | 0.7 | |
--.ARV.Z. | 1991-07-01T20:55:11.49 | 10.0 | undecidable | manual | PG | 355 | 0.6882 | -0.22 | 1.2 | |
--.ASS.Z. | 1991-07-01T20:55:11.62 | 10.0 | undecidable | manual | SG | 314 | 0.3663 | 0.04 | 0.9 | |
--.RMF.Z. | 1991-07-01T20:55:06.16 | 10.0 | undecidable | manual | SG | 42 | 0.1998 | -0.02 | 0.9 | |
--.ASS.Z. | 1991-07-01T20:55:05.80 | 10.0 | undecidable | manual | PG | 314 | 0.3663 | 0.09 | 2.1 | |
--.CIO.Z. | 1991-07-01T20:55:05.92 | 10.0 | undecidable | manual | PG | 13 | 0.3996 | -0.31 | 1.1 | |
--.RMF.Z. | 1991-07-01T20:55:02.89 | 10.0 | undecidable | manual | PG | 42 | 0.1998 | 0.3 | 1.1 |