A magnitude Md 2.1 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on
and geographic coordinates (lat, lon) 43.1720, 13.9870 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 |
---|---|---|---|---|
Pedaso | FM | 14 | 2800 | 2800 |
Porto San Giorgio | FM | 16 | 16121 | 18921 |
Altidona | FM | 17 | 3390 | 22311 |
Campofilone | FM | 17 | 1916 | 24227 |
Lapedona | FM | 19 | 1166 | 25393 |
Cupra Marittima | AP | 19 | 5398 | 30791 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1987-10-02 15:14:34 |
43.172 | 13.987 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 56349 |
Field | Value |
---|---|
Time (UTC) | 1987-10-02 15:14:34 ± 0.709 |
Latitude | 43.1720 ± 0.0206 |
Longitude | 13.9870 ± 0.0476 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 56349 |
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) | 4492.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 254 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00421 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00874 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 56349 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:54:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1987-10-02T15:15:09.00 | 10.0 | undecidable | manual | SG | 263 | 0.9657 | 0.76 | 0.4 | |
--.CM8.Z. | 1987-10-02T15:14:56.60 | 10.0 | undecidable | manual | SG | 272 | 0.6105 | -0.46 | 0.7 | |
--.ASS.Z. | 1987-10-02T15:14:55.00 | 10.0 | undecidable | manual | PG | 263 | 0.9657 | 0.87 | 0.8 | |
--.ALP.Z. | 1987-10-02T15:14:52.82 | 10.0 | undecidable | manual | SG | 218 | 0.4995 | 0.07 | 1.4 | |
--.AM8.Z. | 1987-10-02T15:14:52.68 | 10.0 | undecidable | manual | SG? | 323 | 0.4662 | 0.82 | 0 | |
--.CM8.Z. | 1987-10-02T15:14:46.17 | 10.0 | undecidable | manual | PG | 272 | 0.6105 | -1.2 | 0.7 | |
--.ALP.Z. | 1987-10-02T15:14:45.11 | 10.0 | undecidable | manual | PG | 218 | 0.4995 | -0.08 | 2.3 | |
--.AM8.Z. | 1987-10-02T15:14:44.94 | 10.0 | undecidable | manual | PG? | 323 | 0.4662 | 0.27 | 0.7 |