A magnitude Md 2.2 earthquake occured in region: 7 km W Montemonaco (AP), on
and geographic coordinates (lat, lon) 42.8900, 13.2430 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 |
---|---|---|---|---|
Montemonaco | AP | 7 | 604 | 604 |
Castelsantangelo sul Nera | MC | 7 | 281 | 885 |
Montegallo | AP | 9 | 523 | 1408 |
Montefortino | FM | 10 | 1178 | 2586 |
Ussita | MC | 10 | 444 | 3030 |
Bolognola | MC | 12 | 142 | 3172 |
Visso | MC | 13 | 1107 | 4279 |
Amandola | FM | 14 | 3629 | 7908 |
Arquata del Tronto | AP | 14 | 1178 | 9086 |
Comunanza | AP | 16 | 3166 | 12252 |
Norcia | PG | 16 | 4957 | 17209 |
Acquacanina | MC | 17 | 121 | 17330 |
Preci | PG | 17 | 724 | 18054 |
Sarnano | MC | 17 | 3264 | 21318 |
Palmiano | AP | 18 | 196 | 21514 |
Fiastra | MC | 18 | 559 | 22073 |
Acquasanta Terme | AP | 19 | 2916 | 24989 |
Roccafluvione | AP | 19 | 2010 | 26999 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.7 |
1987-08-11 22:08:42 |
42.89 | 13.243 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 53729 |
Field | Value |
---|---|
Time (UTC) | 1987-08-11 22:08:42 ± 0.188 |
Latitude | 42.8900 ± 0.0154 |
Longitude | 13.2430 ± 0.0192 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 53729 |
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) | 2319.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 177 |
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) | 0.00235 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00575 |
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 | 2 |
Type of magnitude | Md |
Reference to an origin | 53729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:51:48 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 53729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-08-11T22:09:05.91 | 10.0 | undecidable | manual | SG | 340 | 0.6327 | 0.82 | 0 | |
--.ASS.Z. | 1987-08-11T22:08:59.74 | 10.0 | undecidable | manual | SG | 292 | 0.4551 | 0.47 | 0.3 | |
--.ARV.Z. | 1987-08-11T22:08:54.91 | 10.0 | undecidable | manual | PG | 340 | 0.6327 | -0.61 | 0.3 | |
--.CM8.Z. | 1987-08-11T22:08:54.42 | 10.0 | undecidable | manual | SG | 346 | 0.3108 | 0.03 | 1 | |
--.ALP.Z. | 1987-08-11T22:08:53.18 | 10.0 | undecidable | manual | SG | 114 | 0.2553 | 0.42 | 0.5 | |
--.ASS.Z. | 1987-08-11T22:08:52.14 | 10.0 | undecidable | manual | PG | 292 | 0.4551 | -0.02 | 1.5 | |
--.CM8.Z. | 1987-08-11T22:08:49.19 | 10.0 | undecidable | manual | PG | 346 | 0.3108 | -0.15 | 1.5 | |
--.ALP.Z. | 1987-08-11T22:08:48.25 | 10.0 | undecidable | manual | PG | 114 | 0.2553 | -0.15 | 3 |