A magnitude Md 2.3 earthquake occured in region: 5 km S Preci (PG), on
and geographic coordinates (lat, lon) 42.8340, 13.0230 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 |
---|---|---|---|---|
Preci | PG | 5 | 724 | 724 |
Norcia | PG | 7 | 4957 | 5681 |
Cerreto di Spoleto | PG | 9 | 1075 | 6756 |
Sellano | PG | 10 | 1079 | 7835 |
Visso | MC | 12 | 1107 | 8942 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9223 |
Cascia | PG | 13 | 3217 | 12440 |
Vallo di Nera | PG | 15 | 364 | 12804 |
Poggiodomo | PG | 15 | 117 | 12921 |
Ussita | MC | 16 | 444 | 13365 |
Monte Cavallo | MC | 18 | 145 | 13510 |
Sant'Anatolia di Narco | PG | 19 | 564 | 14074 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1986-01-17 01:57:25 |
42.834 | 13.023 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 20699 |
Field | Value |
---|---|
Time (UTC) | 1986-01-17 01:57:25 ± 0.778 |
Latitude | 42.8340 ± 0.0391 |
Longitude | 13.0230 ± 0.0809 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 20699 |
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) | 7904.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
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) | 1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00461 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00599 |
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 | 20699 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:23:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1986-01-17T01:57:51.50 | 10.0 | undecidable | manual | SG | 354 | 0.666 | 2.19 | 0.2 | |
--.MNS.Z. | 1986-01-17T01:57:47.00 | 10.0 | undecidable | manual | SG | 208 | 0.5106 | 2.58 | 0.1 | |
--.PRG.Z. | 1986-01-17T01:57:43.80 | 10.0 | undecidable | manual | SG | 300 | 0.5217 | -1.11 | 0.6 | |
--.ARV.Z. | 1986-01-17T01:57:40.00 | 10.0 | undecidable | manual | PG | 354 | 0.666 | 0.55 | 1.3 | |
--.MNS.Z. | 1986-01-17T01:57:37.00 | 10.0 | undecidable | manual | PG | 208 | 0.5106 | 0.38 | 1.5 | |
--.PRG.Z. | 1986-01-17T01:57:36.00 | 10.0 | undecidable | manual | PG | 300 | 0.5217 | -0.91 | 2.4 | |
--.AQU.Z. | 1986-01-17T01:57:36.00 | 10.0 | undecidable | manual | PG | 149 | 0.5439 | -1.37 | 0.9 |