A magnitude Md 2.5 earthquake occured in region: 3 km NE Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8010, 13.3150 at 5 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 | 5 | 523 | 1701 |
Acquasanta Terme | AP | 9 | 2916 | 4617 |
Montemonaco | AP | 11 | 604 | 5221 |
Accumoli | RI | 13 | 667 | 5888 |
Roccafluvione | AP | 15 | 2010 | 7898 |
Montefortino | FM | 16 | 1178 | 9076 |
Palmiano | AP | 16 | 196 | 9272 |
Valle Castellana | TE | 17 | 977 | 10249 |
Castelsantangelo sul Nera | MC | 17 | 281 | 10530 |
Venarotta | AP | 17 | 2066 | 12596 |
Norcia | PG | 18 | 4957 | 17553 |
Amatrice | RI | 19 | 2657 | 20210 |
Comunanza | AP | 19 | 3166 | 23376 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1986-09-23 00:30:30 |
42.801 | 13.315 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 34549 |
Field | Value |
---|---|
Time (UTC) | 1986-09-23 00:30:30 ± 0.249 |
Latitude | 42.8010 ± 0.0134 |
Longitude | 13.3150 ± 0.0253 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 34549 |
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) | 2545.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 145 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.01028 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 34549 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:35:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AM8.Z. | 1986-09-23T00:30:59.28 | 10.0 | undecidable | manual | SG | 15 | 0.777 | 0.65 | 0.4 | |
--.ARV.Z. | 1986-09-23T00:30:58.50 | 10.0 | undecidable | manual | SG | 339 | 0.7437 | 0.77 | 0.4 | |
--.SD1.Z. | 1986-09-23T00:30:54.20 | 10.0 | undecidable | manual | PN | 161 | 1.1433 | 0.72 | 0.8 | |
--.ASS.Z. | 1986-09-23T00:30:51.50 | 10.0 | undecidable | manual | SG | 298 | 0.5439 | 0.12 | 0.9 | |
--.AQU.Z. | 1986-09-23T00:30:49.00 | 10.0 | undecidable | manual | SG | 171 | 0.444 | 0.81 | 0.3 | |
--.ARV.Z. | 1986-09-23T00:30:46.00 | 10.0 | undecidable | manual | PG | 339 | 0.7437 | -0.36 | 1.7 | |
--.AM8.Z. | 1986-09-23T00:30:46.44 | 10.0 | undecidable | manual | PG | 15 | 0.777 | -0.44 | 1.6 | |
--.ASS.Z. | 1986-09-23T00:30:42.70 | 10.0 | undecidable | manual | PG | 298 | 0.5439 | 0 | 2.2 | |
--.AQU.Z. | 1986-09-23T00:30:40.00 | 10.0 | undecidable | manual | PG | 171 | 0.444 | -0.86 | 0.7 |