A magnitude Md 2.1 earthquake occured in region: 7 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7880, 13.2160 at 16 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 | 7 | 1178 | 1178 |
Norcia | PG | 10 | 4957 | 6135 |
Accumoli | RI | 11 | 667 | 6802 |
Montegallo | AP | 11 | 523 | 7325 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7606 |
Montemonaco | AP | 16 | 604 | 8210 |
Acquasanta Terme | AP | 16 | 2916 | 11126 |
Preci | PG | 18 | 724 | 11850 |
Cascia | PG | 18 | 3217 | 15067 |
Amatrice | RI | 19 | 2657 | 17724 |
Ussita | MC | 19 | 444 | 18168 |
Visso | MC | 19 | 1107 | 19275 |
Cittareale | RI | 19 | 482 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 2000-04-10 19:47:45 |
42.788 | 13.216 | 16 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 386109 |
Field | Value |
---|---|
Time (UTC) | 2000-04-10 19:47:45 ± 0.727 |
Latitude | 42.7880 ± 0.0308 |
Longitude | 13.2160 ± 0.0433 |
Depth (km) | 16 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 386109 |
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) | 4922.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 316 |
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) | 0.00073 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00664 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 386109 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:02:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 2000-04-10T19:48:11.73 | 10.0 | undecidable | manual | SG | 344 | 0.7326 | 0.52 | 0.1 | |
--.SNTG.Z. | 2000-04-10T19:48:03.53 | 10.0 | undecidable | manual | SG | 336 | 0.4995 | -0.37 | 0.2 | |
--.ASS.Z. | 2000-04-10T19:48:03.00 | 10.0 | undecidable | manual | SG | 303 | 0.4995 | -0.48 | 0.1 | |
--.ARV.Z. | 2000-04-10T19:48:00.33 | 10.0 | undecidable | manual | PG | 344 | 0.7326 | -0.03 | 1.2 | |
--.ASS.Z. | 2000-04-10T19:47:56.11 | 10.0 | positive | manual | PG | 303 | 0.4995 | 0.21 | 2.2 | |
--.SNTG.Z. | 2000-04-10T19:47:56.30 | 10.0 | undecidable | manual | PG | 336 | 0.4995 | -0.11 | 1.4 | |
--.NRCA.Z. | 2000-04-10T19:47:52.18 | 10.0 | undecidable | manual | SG | 301 | 0.0777 | 0.5 | 0.1 | |
--.NRCA.Z. | 2000-04-10T19:47:48.92 | 10.0 | positive | manual | PG | 301 | 0.0777 | -0.16 | 2.6 |