A magnitude Md 2.4 earthquake occured in region: 5 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8370, 13.0590 at 5 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 | 6 | 4957 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Visso | MC | 11 | 1107 | 7069 |
Cerreto di Spoleto | PG | 12 | 1075 | 8144 |
Sellano | PG | 12 | 1079 | 9223 |
Cascia | PG | 14 | 3217 | 12440 |
Ussita | MC | 14 | 444 | 12884 |
Poggiodomo | PG | 17 | 117 | 13001 |
Vallo di Nera | PG | 18 | 364 | 13365 |
Monte Cavallo | MC | 18 | 145 | 13510 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-03-13 22:05:56 |
42.837 | 13.059 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 42769 |
Field | Value |
---|---|
Time (UTC) | 1987-03-13 22:05:56 ± 0.379 |
Latitude | 42.8370 ± 0.0258 |
Longitude | 13.0590 ± 0.0518 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 42769 |
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) | 5104.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 159 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00332 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01125 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 42769 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:42:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1987-03-13T22:06:22.50 | 10.0 | undecidable | manual | PN | 153 | 1.2543 | 1.46 | 0.3 | |
--.ARV.Z. | 1987-03-13T22:06:21.50 | 10.0 | undecidable | manual | SG | 352 | 0.666 | 0.29 | 1.1 | |
--.CRE.Z. | 1987-03-13T22:06:19.50 | 10.0 | undecidable | manual | PN | 314 | 1.11 | 0.29 | 1.3 | |
--.AQU.Z. | 1987-03-13T22:06:15.50 | 10.0 | undecidable | manual | SG | 152 | 0.5439 | -1.81 | 0 | |
--.ARV.Z. | 1987-03-13T22:06:10.50 | 10.0 | undecidable | manual | PG | 352 | 0.666 | -0.45 | 1.4 | |
--.ASS.Z. | 1987-03-13T22:06:10.50 | 10.0 | undecidable | manual | SG | 306 | 0.3663 | -0.91 | 0.4 | |
--.AQU.Z. | 1987-03-13T22:06:08.50 | 10.0 | undecidable | manual | PG | 152 | 0.5439 | -0.2 | 1.7 | |
--.ASS.Z. | 1987-03-13T22:06:05.50 | 10.0 | undecidable | manual | PG | 306 | 0.3663 | 0.2 | 1.8 |