A magnitude Md 2.1 earthquake occured in region: 6 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7890, 13.1670 at 12 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 |
Arquata del Tronto | AP | 11 | 1178 | 6135 |
Castelsantangelo sul Nera | MC | 12 | 281 | 6416 |
Accumoli | RI | 12 | 667 | 7083 |
Preci | PG | 15 | 724 | 7807 |
Cascia | PG | 15 | 3217 | 11024 |
Montegallo | AP | 15 | 523 | 11547 |
Visso | MC | 17 | 1107 | 12654 |
Ussita | MC | 18 | 444 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cittareale | RI | 19 | 482 | 14184 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1998-11-14 04:02:32 |
42.789 | 13.167 | 12 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 354839 |
Field | Value |
---|---|
Time (UTC) | 1998-11-14 04:02:32 ± 0.333 |
Latitude | 42.7890 ± 0.0083 |
Longitude | 13.1670 ± 0.0273 |
Depth (km) | 12 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 354839 |
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) | 2414.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 241 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00049 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00486 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 354839 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:32:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-11-14T04:02:52.26 | 10.0 | undecidable | manual | SG | 221 | 0.5439 | 0.01 | 0.7 | |
--.SNTG.Z. | 1998-11-14T04:02:50.33 | 10.0 | undecidable | manual | SG | 340 | 0.4884 | -0.42 | 0.2 | |
--.ASS.Z. | 1998-11-14T04:02:49.97 | 10.0 | undecidable | manual | SG | 306 | 0.4551 | 0.11 | 0.7 | |
--.MNS.Z. | 1998-11-14T04:02:43.82 | 10.0 | undecidable | manual | PG | 221 | 0.5439 | -0.29 | 1 | |
--.ASS.Z. | 1998-11-14T04:02:43.80 | 10.0 | undecidable | manual | PG | 306 | 0.4551 | 0.35 | 0.8 | |
--.SNTG.Z. | 1998-11-14T04:02:43.60 | 10.0 | undecidable | manual | PG | 340 | 0.4884 | -0.18 | 1.4 | |
--.NRCA.Z. | 1998-11-14T04:02:37.11 | 10.0 | undecidable | manual | SG | 317 | 0.0555 | -0.52 | 0.1 | |
--.NRCA.Z. | 1998-11-14T04:02:35.86 | 10.0 | negative | manual | PG | 317 | 0.0555 | 0.19 | 3.1 |