A magnitude Md 2.4 earthquake occured in region: 4 km S Preci (PG), on
and geographic coordinates (lat, lon) 42.8410, 13.0260 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 | 4 | 724 | 724 |
Norcia | PG | 8 | 4957 | 5681 |
Cerreto di Spoleto | PG | 9 | 1075 | 6756 |
Sellano | PG | 10 | 1079 | 7835 |
Visso | MC | 11 | 1107 | 8942 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9223 |
Cascia | PG | 14 | 3217 | 12440 |
Ussita | MC | 15 | 444 | 12884 |
Vallo di Nera | PG | 15 | 364 | 13248 |
Poggiodomo | PG | 16 | 117 | 13365 |
Monte Cavallo | MC | 17 | 145 | 13510 |
Sant'Anatolia di Narco | PG | 20 | 564 | 14074 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-09-22 16:17:24 |
42.841 | 13.026 | 5 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 55879 |
Field | Value |
---|---|
Time (UTC) | 1987-09-22 16:17:24 ± 0.151 |
Latitude | 42.8410 ± 0.0077 |
Longitude | 13.0260 ± 0.0097 |
Depth (km) | 5 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 55879 |
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) | 1164.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
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) | 0.00316 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01141 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 55879 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:53:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1987-09-22T16:17:49.00 | 10.0 | undecidable | manual | PN | 152 | 1.2654 | 0.65 | 0.2 | |
--.ARV.Z. | 1987-09-22T16:17:48.50 | 10.0 | undecidable | manual | SG | 354 | 0.6549 | 0.35 | 0.4 | |
--.MNS.Z. | 1987-09-22T16:17:43.16 | 10.0 | undecidable | manual | SG | 208 | 0.5217 | -0.54 | 0.2 | |
--.ALP.Z. | 1987-09-22T16:17:39.40 | 10.0 | undecidable | manual | SG | 98 | 0.3996 | -0.14 | 1 | |
--.ASS.Z. | 1987-09-22T16:17:37.78 | 10.0 | undecidable | manual | SG | 308 | 0.3552 | 0.12 | 0.7 | |
--.CM8.Z. | 1987-09-22T16:17:37.75 | 10.0 | undecidable | manual | SG | 13 | 0.3552 | -0.37 | 0.6 | |
--.ARV.Z. | 1987-09-22T16:17:37.50 | 10.0 | undecidable | manual | PG | 354 | 0.6549 | -0.45 | 0.7 | |
--.MNS.Z. | 1987-09-22T16:17:35.30 | 10.0 | undecidable | manual | PG | 208 | 0.5217 | -0.34 | 1.1 | |
--.ALP.Z. | 1987-09-22T16:17:33.10 | 10.0 | undecidable | manual | PG | 98 | 0.3996 | 0.04 | 1.7 | |
--.ASS.Z. | 1987-09-22T16:17:32.20 | 10.0 | undecidable | manual | PG | 308 | 0.3552 | 0.31 | 1.2 | |
--.CM8.Z. | 1987-09-22T16:17:32.21 | 10.0 | undecidable | manual | PG | 13 | 0.3552 | 0.05 | 3.4 |