A magnitude Md 2.2 earthquake occured in region: 5 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7020, 13.1870 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 |
---|---|---|---|---|
Accumoli | RI | 5 | 667 | 667 |
Cittareale | RI | 10 | 482 | 1149 |
Amatrice | RI | 12 | 2657 | 3806 |
Arquata del Tronto | AP | 12 | 1178 | 4984 |
Norcia | PG | 13 | 4957 | 9941 |
Cascia | PG | 14 | 3217 | 13158 |
Acquasanta Terme | AP | 20 | 2916 | 16074 |
Montegallo | AP | 20 | 523 | 16597 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1985-09-16 15:46:00 |
42.702 | 13.187 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 13279 |
Field | Value |
---|---|
Time (UTC) | 1985-09-16 15:46:00 ± 0.287 |
Latitude | 42.7020 ± 0.0198 |
Longitude | 13.1870 ± 0.0236 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 13279 |
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) | 2928.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00259 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00809 |
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 | 13279 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:16:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AM1.Z. | 1985-09-16T15:46:32.70 | 10.0 | undecidable | manual | SG | 19 | 0.8991 | 1.66 | 0 | |
--.MNS.Z. | 1985-09-16T15:46:18.00 | 10.0 | undecidable | manual | SG | 230 | 0.4884 | 0.16 | 0.6 | |
--.AM1.Z. | 1985-09-16T15:46:17.80 | 10.0 | undecidable | manual | PG? | 19 | 0.8991 | -0.21 | 0.4 | |
--.CM2.Z. | 1985-09-16T15:46:17.50 | 10.0 | undecidable | manual | SG | 356 | 0.4884 | -0.41 | 0.8 | |
--.ALP.Z. | 1985-09-16T15:46:11.70 | 10.0 | undecidable | manual | SG | 74 | 0.2886 | 0.28 | 0.9 | |
--.MNS.Z. | 1985-09-16T15:46:10.00 | 10.0 | undecidable | manual | PG | 230 | 0.4884 | -0.39 | 1.3 | |
--.CM2.Z. | 1985-09-16T15:46:09.40 | 10.0 | undecidable | manual | PG | 356 | 0.4884 | -1.03 | 1.1 | |
--.ALP.Z. | 1985-09-16T15:46:06.40 | 10.0 | undecidable | manual | PG | 74 | 0.2886 | -0.29 | 2.9 |