A magnitude Md 2.3 earthquake occured in region: 5 km W Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6470, 13.2350 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 |
---|---|---|---|---|
Amatrice | RI | 5 | 2657 | 2657 |
Accumoli | RI | 6 | 667 | 3324 |
Cittareale | RI | 7 | 482 | 3806 |
Montereale | AQ | 14 | 2581 | 6387 |
Campotosto | AQ | 15 | 542 | 6929 |
Arquata del Tronto | AP | 15 | 1178 | 8107 |
Capitignano | AQ | 15 | 665 | 8772 |
Borbona | RI | 17 | 617 | 9389 |
Posta | RI | 18 | 694 | 10083 |
Acquasanta Terme | AP | 20 | 2916 | 12999 |
Cascia | PG | 20 | 3217 | 16216 |
Norcia | PG | 20 | 4957 | 21173 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1985-06-23 23:45:00 |
42.647 | 13.235 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 9049 |
Field | Value |
---|---|
Time (UTC) | 1985-06-23 23:45:00 ± 1.693 |
Latitude | 42.6470 ± 0.0648 |
Longitude | 13.2350 ± 0.1454 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 9049 |
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) | 13908.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 258 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
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) | 0.00202 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00534 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 9049 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:12:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CM2.Z. | 1985-06-23T23:45:19.30 | 10.0 | undecidable | manual | SG | 352 | 0.5439 | -0.46 | 0.5 | |
--.AS1.Z. | 1985-06-23T23:45:14.00 | 10.0 | undecidable | manual | PG | 314 | 0.5883 | 1.65 | 0.1 | |
--.CM2.Z. | 1985-06-23T23:45:11.00 | 10.0 | undecidable | manual | PG | 352 | 0.5439 | -0.49 | 1.7 | |
--.PO9.Z. | 1985-06-23T23:45:08.50 | 10.0 | undecidable | manual | SG | 251 | 0.222 | -0.93 | 0.3 | |
--.PO9.Z. | 1985-06-23T23:45:05.50 | 10.0 | positive | manual | PG | 251 | 0.222 | -0.03 | 2.3 |