A magnitude Md 2.2 earthquake occured in region: 8 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7580, 13.2010 at 16 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 |
---|---|---|---|---|
Accumoli | RI | 8 | 667 | 667 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Norcia | PG | 10 | 4957 | 6802 |
Montegallo | AP | 14 | 523 | 7325 |
Cittareale | RI | 16 | 482 | 7807 |
Castelsantangelo sul Nera | MC | 16 | 281 | 8088 |
Cascia | PG | 16 | 3217 | 11305 |
Amatrice | RI | 16 | 2657 | 13962 |
Acquasanta Terme | AP | 17 | 2916 | 16878 |
Montemonaco | AP | 19 | 604 | 17482 |
Preci | PG | 19 | 724 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1998-06-17 17:38:43 |
42.758 | 13.201 | 17 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 342799 |
Field | Value |
---|---|
Time (UTC) | 1998-06-17 17:38:43 ± 0.422 |
Latitude | 42.7580 ± 0.0133 |
Longitude | 13.2010 ± 0.0398 |
Depth (km) | 17 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 342799 |
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) | 3570.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 246 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00089 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00478 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 342799 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:21:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SNTG.Z. | 1998-06-17T17:39:02.40 | 10.0 | undecidable | manual | SG | 339 | 0.5328 | -0.71 | 0 | |
--.ASS.Z. | 1998-06-17T17:39:02.51 | 10.0 | undecidable | manual | SG | 307 | 0.4995 | 0.28 | 0.3 | |
--.SNTG.Z. | 1998-06-17T17:38:55.17 | 10.0 | undecidable | manual | PG | 339 | 0.5328 | 0.14 | 1.1 | |
--.MNS.Z. | 1998-06-17T17:38:54.89 | 10.0 | undecidable | manual | PG | 225 | 0.5328 | -0.18 | 1 | |
--.ASS.Z. | 1998-06-17T17:38:54.63 | 10.0 | undecidable | manual | PG | 307 | 0.4995 | 0.11 | 1.3 | |
--.NRCA.Z. | 1998-06-17T17:38:50.20 | 10.0 | undecidable | manual | SG | 319 | 0.0999 | -0.21 | 0.4 | |
--.NRCA.Z. | 1998-06-17T17:38:47.79 | 10.0 | negative | manual | PG | 319 | 0.0999 | 0.09 | 2.9 |