A magnitude Md 2.2 earthquake occured in region: 2 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6970, 13.2240 at 13 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 | 2 | 667 | 667 |
Amatrice | RI | 9 | 2657 | 3324 |
Cittareale | RI | 10 | 482 | 3806 |
Arquata del Tronto | AP | 10 | 1178 | 4984 |
Norcia | PG | 15 | 4957 | 9941 |
Acquasanta Terme | AP | 17 | 2916 | 12857 |
Cascia | PG | 17 | 3217 | 16074 |
Montegallo | AP | 19 | 523 | 16597 |
Montereale | AQ | 19 | 2581 | 19178 |
Campotosto | AQ | 20 | 542 | 19720 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1999-04-10 20:23:24 |
42.697 | 13.224 | 13 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 362689 |
Field | Value |
---|---|
Time (UTC) | 1999-04-10 20:23:24 ± 0.431 |
Latitude | 42.6970 ± 0.0099 |
Longitude | 13.2240 ± 0.0372 |
Depth (km) | 13 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 362689 |
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) | 3233.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 252 |
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) | 0.00138 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00534 |
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 | 362689 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:40:11 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SNTG.Z. | 1999-04-10T20:23:46.90 | 10.0 | undecidable | manual | SG | 339 | 0.5883 | 0.27 | 0.4 | |
--.ASS.Z. | 1999-04-10T20:23:44.93 | 10.0 | undecidable | manual | SG | 311 | 0.5439 | 0.36 | 0.2 | |
--.MNS.Z. | 1999-04-10T20:23:42.67 | 10.0 | undecidable | manual | SG | 232 | 0.4995 | -0.33 | 0.3 | |
--.ASS.Z. | 1999-04-10T20:23:36.00 | 10.0 | undecidable | manual | PG | 311 | 0.5439 | -0.21 | 1.3 | |
--.SNTG.Z. | 1999-04-10T20:23:36.68 | 10.0 | undecidable | manual | PG | 339 | 0.5883 | -0.25 | 1 | |
--.MNS.Z. | 1999-04-10T20:23:35.50 | 10.0 | undecidable | manual | PG | 232 | 0.4995 | 0.2 | 1.4 | |
--.NRCA.Z. | 1999-04-10T20:23:31.67 | 10.0 | undecidable | manual | SG | 329 | 0.1554 | -0.41 | 0.2 | |
--.NRCA.Z. | 1999-04-10T20:23:29.16 | 10.0 | positive | manual | PG | 329 | 0.1554 | 0.16 | 3.3 |