A magnitude Md 2.2 earthquake occured in region: 7 km W Montemonaco (AP), on
and geographic coordinates (lat, lon) 42.9000, 13.2480 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 | 8 | 281 | 885 |
Montefortino | FM | 9 | 1178 | 2063 |
Montegallo | AP | 9 | 523 | 2586 |
Ussita | MC | 10 | 444 | 3030 |
Bolognola | MC | 11 | 142 | 3172 |
Amandola | FM | 13 | 3629 | 6801 |
Visso | MC | 13 | 1107 | 7908 |
Arquata del Tronto | AP | 15 | 1178 | 9086 |
Comunanza | AP | 15 | 3166 | 12252 |
Acquacanina | MC | 16 | 121 | 12373 |
Sarnano | MC | 16 | 3264 | 15637 |
Fiastra | MC | 17 | 559 | 16196 |
Preci | PG | 17 | 724 | 16920 |
Palmiano | AP | 17 | 196 | 17116 |
Norcia | PG | 17 | 4957 | 22073 |
Roccafluvione | AP | 19 | 2010 | 24083 |
Acquasanta Terme | AP | 20 | 2916 | 26999 |
Montefalcone Appennino | FM | 20 | 424 | 27423 |
Fiordimonte | MC | 20 | 202 | 27625 |
Smerillo | FM | 20 | 365 | 27990 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-09-21 02:06:00 |
42.9 | 13.248 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 55789 |
Field | Value |
---|---|
Time (UTC) | 1987-09-21 02:06:00 ± 0.166 |
Latitude | 42.9000 ± 0.0154 |
Longitude | 13.2480 ± 0.0159 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 55789 |
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) | 2150.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 173 |
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) | 0.3 |
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 | 1 |
Type of magnitude | Md |
Reference to an origin | 55789 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:53:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-09-21T02:06:24.00 | 10.0 | undecidable | manual | SG | 339 | 0.6327 | 0.88 | 0 | |
--.ASS.Z. | 1987-09-21T02:06:17.50 | 10.0 | undecidable | manual | SG | 290 | 0.4551 | -0.05 | 0.7 | |
--.ARV.Z. | 1987-09-21T02:06:14.00 | 10.0 | undecidable | manual | PG | 339 | 0.6327 | 0.35 | 1 | |
--.CM8.Z. | 1987-09-21T02:06:12.00 | 10.0 | undecidable | manual | SG | 345 | 0.2997 | -0.4 | 0.7 | |
--.ALP.Z. | 1987-09-21T02:06:11.14 | 10.0 | undecidable | manual | SG | 117 | 0.2553 | 0.11 | 1.2 | |
--.ASS.Z. | 1987-09-21T02:06:10.37 | 10.0 | undecidable | manual | PG | 290 | 0.4551 | -0.06 | 1.9 | |
--.ALP.Z. | 1987-09-21T02:06:06.48 | 10.0 | undecidable | manual | PG | 117 | 0.2553 | -0.19 | 1.8 | |
--.CM8.Z. | 1987-09-21T02:06:06.90 | 10.0 | undecidable | manual | PG | 345 | 0.2997 | -0.56 | 0.7 |