A magnitude Md 2.3 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8130, 13.1040 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 | 2 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 13 | 1107 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Cerreto di Spoleto | PG | 15 | 1075 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Sellano | PG | 17 | 1079 | 14062 |
Accumoli | RI | 18 | 667 | 14729 |
Poggiodomo | PG | 18 | 117 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1998-05-26 14:34:46 |
42.813 | 13.104 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 339769 |
Field | Value |
---|---|
Time (UTC) | 1998-05-26 14:34:46 ± 0.355 |
Latitude | 42.8130 ± 0.0218 |
Longitude | 13.1040 ± 0.0474 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 339769 |
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) | 4563.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 198 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00016 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00469 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 339769 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:18:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-05-26T14:35:05.21 | 10.0 | undecidable | manual | SG | 216 | 0.5217 | -0.41 | 0.4 | |
--.ASS.Z. | 1998-05-26T14:35:02.10 | 10.0 | undecidable | manual | SG | 307 | 0.4107 | 0.2 | 0.5 | |
--.SNTG.Z. | 1998-05-26T14:35:01.65 | 10.0 | undecidable | manual | SG | 344 | 0.444 | -1.64 | 0 | |
--.MNS.Z. | 1998-05-26T14:34:57.40 | 10.0 | positive | manual | PG | 216 | 0.5217 | -0.58 | 1.8 | |
--.SNTG.Z. | 1998-05-26T14:34:56.19 | 10.0 | undecidable | manual | PG | 344 | 0.444 | -0.09 | 1.3 | |
--.ASS.Z. | 1998-05-26T14:34:56.84 | 10.0 | undecidable | manual | PG | 307 | 0.4107 | 1.36 | 0.2 | |
--.NRCA.Z. | 1998-05-26T14:34:50.42 | 10.0 | undecidable | manual | SG | 17 | 0.0222 | 0.17 | 0.6 | |
--.NRCA.Z. | 1998-05-26T14:34:48.76 | 10.0 | negative | manual | PG | 17 | 0.0222 | 0.01 | 3.1 |