A magnitude Md 2.2 earthquake occured in region: 4 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8210, 13.0550 at 11 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 | 4 | 4957 | 4957 |
Preci | PG | 7 | 724 | 5681 |
Cerreto di Spoleto | PG | 11 | 1075 | 6756 |
Castelsantangelo sul Nera | MC | 12 | 281 | 7037 |
Cascia | PG | 12 | 3217 | 10254 |
Visso | MC | 13 | 1107 | 11361 |
Sellano | PG | 13 | 1079 | 12440 |
Ussita | MC | 15 | 444 | 12884 |
Poggiodomo | PG | 16 | 117 | 13001 |
Vallo di Nera | PG | 17 | 364 | 13365 |
Monte Cavallo | MC | 20 | 145 | 13510 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1998-02-09 06:07:30 |
42.821 | 13.055 | 11 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 322629 |
Field | Value |
---|---|
Time (UTC) | 1998-02-09 06:07:30 ± 0.36 |
Latitude | 42.8210 ± 0.0088 |
Longitude | 13.0550 ± 0.0427 |
Depth (km) | 11 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 322629 |
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) | 3618.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
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) | 0.00032 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00461 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 322629 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:02:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-02-09T06:07:48.84 | 10.0 | undecidable | manual | SG | 212 | 0.5106 | 0.06 | 0.6 | |
--.SNTG.Z. | 1998-02-09T06:07:46.53 | 10.0 | undecidable | manual | SG | 349 | 0.444 | 0.13 | 0.6 | |
--.ASS.Z. | 1998-02-09T06:07:43.93 | 10.0 | undecidable | manual | SG | 309 | 0.3774 | -0.5 | 0.1 | |
--.MNS.Z. | 1998-02-09T06:07:40.84 | 10.0 | undecidable | manual | PG | 212 | 0.5106 | -0.13 | 1.3 | |
--.ASS.Z. | 1998-02-09T06:07:39.60 | 10.0 | undecidable | manual | PG | 309 | 0.3774 | 0.6 | 0.4 | |
--.SNTG.Z. | 1998-02-09T06:07:39.27 | 10.0 | undecidable | manual | PG | 349 | 0.444 | -0.32 | 0.9 | |
--.NRCA.Z. | 1998-02-09T06:07:34.80 | 10.0 | undecidable | manual | SG | 73 | 0.0333 | -0.32 | 0.5 | |
--.NRCA.Z. | 1998-02-09T06:07:32.75 | 10.0 | positive | manual | PG | 73 | 0.0333 | 0.08 | 3.6 |