A magnitude Md 1.9 earthquake occured in region: 6 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8350, 13.1470 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 |
Castelsantangelo sul Nera | MC | 7 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Ussita | MC | 12 | 444 | 7513 |
Arquata del Tronto | AP | 14 | 1178 | 8691 |
Montegallo | AP | 15 | 523 | 9214 |
Montemonaco | AP | 16 | 604 | 9818 |
Cascia | PG | 17 | 3217 | 13035 |
Accumoli | RI | 18 | 667 | 13702 |
Cerreto di Spoleto | PG | 19 | 1075 | 14777 |
Sellano | PG | 19 | 1079 | 15856 |
Bolognola | MC | 19 | 142 | 15998 |
Montefortino | FM | 20 | 1178 | 17176 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9 | 1985-08-10 13:48:17 |
42.835 | 13.147 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 11449 |
Field | Value |
---|---|
Time (UTC) | 1985-08-10 13:48:17 ± 0.206 |
Latitude | 42.8350 ± 0.0127 |
Longitude | 13.1470 ± 0.0189 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 11449 |
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) | 2093.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
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) | 0.00267 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00316 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 11449 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:14:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CM2.Z. | 1985-08-10T13:48:31.50 | 10.0 | undecidable | manual | SG | 359 | 0.3552 | 0.48 | 0.3 | |
--.ALP.Z. | 1985-08-10T13:48:30.20 | 10.0 | undecidable | manual | SG | 100 | 0.3108 | 0.59 | 0.2 | |
--.CM2.Z. | 1985-08-10T13:48:25.00 | 10.0 | undecidable | manual | PG | 359 | 0.3552 | -0.37 | 0.8 | |
--.ALP.Z. | 1985-08-10T13:48:24.30 | 10.0 | negative | manual | PG | 100 | 0.3108 | -0.25 | 2.3 | |
--.PO9.Z. | 1985-08-10T13:48:24.50 | 10.0 | undecidable | manual | PG | 210 | 0.2997 | 0.16 | 1.3 |