A magnitude Md 2.3 earthquake occured in region: 3 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.8050, 13.0630 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 | 3 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Cascia | PG | 10 | 3217 | 8898 |
Cerreto di Spoleto | PG | 12 | 1075 | 9973 |
Castelsantangelo sul Nera | MC | 13 | 281 | 10254 |
Visso | MC | 14 | 1107 | 11361 |
Sellano | PG | 15 | 1079 | 12440 |
Poggiodomo | PG | 15 | 117 | 12557 |
Vallo di Nera | PG | 17 | 364 | 12921 |
Ussita | MC | 17 | 444 | 13365 |
Monteleone di Spoleto | PG | 19 | 599 | 13964 |
Accumoli | RI | 19 | 667 | 14631 |
Arquata del Tronto | AP | 20 | 1178 | 15809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1998-02-12 00:39:18 |
42.805 | 13.063 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 322809 |
Field | Value |
---|---|
Time (UTC) | 1998-02-12 00:39:18 ± 0.192 |
Latitude | 42.8050 ± 0.0104 |
Longitude | 13.0630 ± 0.0331 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 322809 |
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) | 2935.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.00040 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00461 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 322809 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:02:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-02-12T00:39:36.42 | 10.0 | undecidable | manual | SG | 213 | 0.4995 | 0.02 | 0.7 | |
--.SNTG.Z. | 1998-02-12T00:39:35.90 | 10.0 | undecidable | manual | SG | 348 | 0.444 | 0.2 | 0.7 | |
--.ASS.Z. | 1998-02-12T00:39:32.50 | 10.0 | undecidable | manual | SG | 310 | 0.3885 | -0.38 | 0.6 | |
--.AQU.Z. | 1998-02-12T00:39:29.51 | 10.0 | undecidable | manual | PG | 150 | 0.5106 | 0.59 | 1 | |
--.MNS.Z. | 1998-02-12T00:39:28.30 | 10.0 | undecidable | manual | PG | 213 | 0.4995 | -0.44 | 1.3 | |
--.SNTG.Z. | 1998-02-12T00:39:27.60 | 10.0 | undecidable | manual | PG | 348 | 0.444 | -0.27 | 1.6 | |
--.ASS.Z. | 1998-02-12T00:39:27.51 | 10.0 | undecidable | manual | PG | 310 | 0.3885 | 0.81 | 0.7 | |
--.NRCA.Z. | 1998-02-12T00:39:22.93 | 10.0 | undecidable | manual | SG | 52 | 0.0444 | 0.77 | 0.3 | |
--.NRCA.Z. | 1998-02-12T00:39:19.81 | 10.0 | positive | manual | PG | 52 | 0.0444 | -0.7 | 2 |