A magnitude Md 2.4 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on
and geographic coordinates (lat, lon) 43.7630, 13.8420 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1985-04-07 04:05:59 |
43.763 | 13.842 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 4259 |
Field | Value |
---|---|
Time (UTC) | 1985-04-07 04:05:59 ± 1.664 |
Latitude | 43.7630 ± 0.1529 |
Longitude | 13.8420 ± 0.2480 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 4259 |
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) | 26188.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 337 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.7 |
Epicentral distance of station closest to the epicenter (degree) | 0.00243 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01214 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 4259 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:08:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PO9.Z. | 1985-04-07T04:06:44.00 | 10.0 | undecidable | manual | SN | 209 | 1.3431 | 1.84 | 0.1 | |
--.AS1.Z. | 1985-04-07T04:06:38.00 | 10.0 | undecidable | manual | SN | 231 | 1.11 | 1.67 | 0.2 | |
--.PO9.Z. | 1985-04-07T04:06:24.00 | 10.0 | undecidable | manual | PN | 209 | 1.3431 | -0.09 | 1.7 | |
--.AS1.Z. | 1985-04-07T04:06:20.50 | 10.0 | undecidable | manual | PN | 231 | 1.11 | -0.23 | 1.9 | |
--.AM1.Z. | 1985-04-07T04:06:08.70 | 10.0 | undecidable | manual | SG | 219 | 0.2664 | -1.42 | 0.4 | |
--.AM1.Z. | 1985-04-07T04:06:04.90 | 10.0 | undecidable | manual | PG | 219 | 0.2664 | -0.69 | 1.7 |