A magnitude Md 2.4 earthquake occured in region: 3 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7980, 13.2730 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 3 | 1178 | 1178 |
Montegallo | AP | 7 | 523 | 1701 |
Accumoli | RI | 12 | 667 | 2368 |
Acquasanta Terme | AP | 12 | 2916 | 5284 |
Montemonaco | AP | 12 | 604 | 5888 |
Castelsantangelo sul Nera | MC | 15 | 281 | 6169 |
Norcia | PG | 15 | 4957 | 11126 |
Montefortino | FM | 17 | 1178 | 12304 |
Roccafluvione | AP | 18 | 2010 | 14314 |
Amatrice | RI | 19 | 2657 | 16971 |
Palmiano | AP | 19 | 196 | 17167 |
Valle Castellana | TE | 20 | 977 | 18144 |
Ussita | MC | 20 | 444 | 18588 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1986-01-17 02:26:36 |
42.798 | 13.273 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 20779 |
Field | Value |
---|---|
Time (UTC) | 1986-01-17 02:26:36 ± 0.336 |
Latitude | 42.7980 ± 0.0145 |
Longitude | 13.2730 ± 0.0321 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 20779 |
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) | 3073.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 186 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00405 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00664 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 20779 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:23:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1986-01-17T02:27:03.00 | 10.0 | undecidable | manual | SG | 341 | 0.7326 | 0.99 | 0.2 | |
--.MNS.Z. | 1986-01-17T02:26:58.00 | 10.0 | undecidable | manual | SG | 226 | 0.5883 | 0.5 | 0.8 | |
--.AQU.Z. | 1986-01-17T02:26:53.00 | 10.0 | undecidable | manual | SG | 167 | 0.444 | 0.21 | 1.1 | |
--.ARV.Z. | 1986-01-17T02:26:50.50 | 10.0 | undecidable | manual | PG | 341 | 0.7326 | -0.65 | 0.9 | |
--.MNS.Z. | 1986-01-17T02:26:48.00 | 10.0 | undecidable | manual | PG | 226 | 0.5883 | -0.55 | 1.2 | |
--.AQU.Z. | 1986-01-17T02:26:46.00 | 10.0 | undecidable | manual | PG | 167 | 0.444 | 0.17 | 1.8 |