A magnitude Md 2.1 earthquake occured in region: 5 km NE Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7200, 13.2930 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 |
---|---|---|---|---|
Accumoli | RI | 5 | 667 | 667 |
Arquata del Tronto | AP | 6 | 1178 | 1845 |
Amatrice | RI | 10 | 2657 | 4502 |
Acquasanta Terme | AP | 11 | 2916 | 7418 |
Montegallo | AP | 14 | 523 | 7941 |
Cittareale | RI | 16 | 482 | 8423 |
Valle Castellana | TE | 17 | 977 | 9400 |
Norcia | PG | 18 | 4957 | 14357 |
Campotosto | AQ | 19 | 542 | 14899 |
Rocca Santa Maria | TE | 20 | 537 | 15436 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1989-01-02 17:52:20 |
42.72 | 13.293 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 84519 |
Field | Value |
---|---|
Time (UTC) | 1989-01-02 17:52:20 ± 0.632 |
Latitude | 42.7200 ± 0.0329 |
Longitude | 13.2930 ± 0.0312 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 84519 |
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) | 4459.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 233 |
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) | 0.00186 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00518 |
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 | 1 |
Type of magnitude | Md |
Reference to an origin | 84519 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:19:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1989-01-02T17:52:42.50 | 10.0 | undecidable | manual | SG | 306 | 0.5772 | 1.33 | 0 | |
--.CM8.Z. | 1989-01-02T17:52:37.90 | 10.0 | undecidable | manual | SG | 347 | 0.4884 | -0.26 | 0.6 | |
--.ASS.Z. | 1989-01-02T17:52:31.80 | 10.0 | undecidable | manual | PG | 306 | 0.5772 | -0.68 | 0.3 | |
--.SS8.Z. | 1989-01-02T17:52:31.90 | 10.0 | undecidable | manual | SG | 351 | 0.2886 | 0.05 | 0.8 | |
--.CM8.Z. | 1989-01-02T17:52:30.60 | 10.0 | undecidable | manual | PG | 347 | 0.4884 | -0.14 | 2.2 | |
--.ALP.Z. | 1989-01-02T17:52:29.00 | 10.0 | undecidable | manual | SG | 73 | 0.2109 | -0.26 | 0.7 | |
--.SS8.Z. | 1989-01-02T17:52:27.40 | 10.0 | undecidable | manual | PG | 351 | 0.2886 | 0.3 | 1 | |
--.ALP.Z. | 1989-01-02T17:52:25.80 | 10.0 | undecidable | manual | PG | 73 | 0.2109 | 0.2 | 2.4 |