A magnitude Md 2.4 earthquake occured in region: Costa Marchigiana Picena (Ascoli Piceno), on
and geographic coordinates (lat, lon) 43.1590, 14.1960 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
ML-VAX 2.7 |
1987-07-09 18:02:40 |
43.159 | 14.196 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 51449 |
Field | Value |
---|---|
Time (UTC) | 1987-07-09 18:02:40 ± 0.712 |
Latitude | 43.1590 ± 0.0173 |
Longitude | 14.1960 ± 0.0455 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 51449 |
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) | 4161.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 299 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00534 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01012 |
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 | 51449 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:49:52 |
Field | Value |
---|---|
Value | 2.7 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 51449 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1987-07-09T18:03:18.40 | 10.0 | undecidable | manual | SN | 265 | 1.1211 | -0.17 | 0.7 | |
--.ARV.Z. | 1987-07-09T18:03:13.72 | 10.0 | undecidable | manual | SG | 290 | 0.9657 | -0.23 | 0.7 | |
--.ASS.Z. | 1987-07-09T18:03:01.60 | 10.0 | undecidable | manual | PN | 265 | 1.1211 | -0.82 | 0.6 | |
--.ALP.Z. | 1987-07-09T18:03:01.84 | 10.0 | undecidable | manual | SG | 230 | 0.5883 | -0.04 | 1.3 | |
--.ARV.Z. | 1987-07-09T18:03:00.58 | 10.0 | undecidable | manual | PG | 290 | 0.9657 | 0.62 | 1 | |
--.ALP.Z. | 1987-07-09T18:02:53.38 | 10.0 | undecidable | manual | PG | 230 | 0.5883 | 0.39 | 1.6 |