A magnitude Md 2.4 earthquake occured in region: 8 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7550, 13.1940 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 | 8 | 667 | 667 |
Arquata del Tronto | AP | 9 | 1178 | 1845 |
Norcia | PG | 9 | 4957 | 6802 |
Montegallo | AP | 15 | 523 | 7325 |
Cascia | PG | 15 | 3217 | 10542 |
Cittareale | RI | 15 | 482 | 11024 |
Amatrice | RI | 16 | 2657 | 13681 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13962 |
Acquasanta Terme | AP | 18 | 2916 | 16878 |
Preci | PG | 19 | 724 | 17602 |
Montemonaco | AP | 20 | 604 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1986-06-30 20:30:48 |
42.755 | 13.194 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 30489 |
Field | Value |
---|---|
Time (UTC) | 1986-06-30 20:30:48 ± 0.181 |
Latitude | 42.7550 ± 0.0048 |
Longitude | 13.1940 ± 0.0143 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 30489 |
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) | 1283.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 239 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00429 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00688 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 30489 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:31:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1986-06-30T20:31:15.00 | 10.0 | undecidable | manual | SG | 345 | 0.7659 | 0.46 | 0 | |
--.MNS.Z. | 1986-06-30T20:31:07.00 | 10.0 | undecidable | manual | SG | 225 | 0.5217 | 0.09 | 0.5 | |
--.ASS.Z. | 1986-06-30T20:31:06.00 | 10.0 | undecidable | manual | SG | 307 | 0.4995 | -0.05 | 0.6 | |
--.SU9.Z. | 1986-06-30T20:31:05.50 | 10.0 | undecidable | manual | SG | 305 | 0.4773 | 0.02 | 0.9 | |
--.ARV.Z. | 1986-06-30T20:31:03.20 | 10.0 | undecidable | manual | PG | 345 | 0.7659 | -0.13 | 0.9 | |
--.MNS.Z. | 1986-06-30T20:30:59.00 | 10.0 | undecidable | manual | PG | 225 | 0.5217 | 0.06 | 1.4 | |
--.ASS.Z. | 1986-06-30T20:30:58.50 | 10.0 | undecidable | manual | PG | 307 | 0.4995 | 0.05 | 1.4 | |
--.SU9.Z. | 1986-06-30T20:30:58.00 | 10.0 | undecidable | manual | PG | 305 | 0.4773 | -0.11 | 2.3 |