A magnitude Md 2.5 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on
and geographic coordinates (lat, lon) 43.2320, 14.0770 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 2.5
ML-VAX 1.6 |
1987-07-04 19:44:35 |
43.232 | 14.077 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 50429 |
Field | Value |
---|---|
Time (UTC) | 1987-07-04 19:44:35 ± 0.206 |
Latitude | 43.2320 ± 0.0049 |
Longitude | 14.0770 ± 0.0159 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 50429 |
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) | 1400.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 291 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00526 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00947 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 50429 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:49:03 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 50429 |
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. | 1987-07-04T19:45:10.99 | 10.0 | undecidable | manual | SN | 260 | 1.0545 | 0.19 | 0.1 | |
--.ARV.Z. | 1987-07-04T19:45:04.82 | 10.0 | undecidable | manual | SG | 287 | 0.8658 | -0.16 | 0.2 | |
--.ALP.Z. | 1987-07-04T19:44:56.60 | 10.0 | undecidable | manual | SG | 219 | 0.5883 | 0.05 | 0.9 | |
--.ASS.Z. | 1987-07-04T19:44:55.95 | 10.0 | undecidable | manual | PN | 260 | 1.0545 | 0.16 | 0.5 | |
--.ARV.Z. | 1987-07-04T19:44:52.38 | 10.0 | undecidable | manual | PG | 287 | 0.8658 | -0.05 | 1.5 | |
--.ALP.Z. | 1987-07-04T19:44:47.17 | 10.0 | undecidable | manual | PG | 219 | 0.5883 | -0.08 | 2.6 |