A magnitude Md 2.5 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on
and geographic coordinates (lat, lon) 43.2340, 13.9420 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 |
---|---|---|---|---|
Porto San Giorgio | FM | 13 | 16121 | 16121 |
Porto Sant'Elpidio | FM | 15 | 26152 | 42273 |
Pedaso | FM | 17 | 2800 | 45073 |
Altidona | FM | 18 | 3390 | 48463 |
Civitanova Marche | MC | 19 | 41983 | 90446 |
Lapedona | FM | 19 | 1166 | 91612 |
Fermo | FM | 20 | 37655 | 129267 |
Campofilone | FM | 20 | 1916 | 131183 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.9 |
1987-07-26 15:44:53 |
43.234 | 13.942 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 52779 |
Field | Value |
---|---|
Time (UTC) | 1987-07-26 15:44:53 ± 0.781 |
Latitude | 43.2340 ± 0.0222 |
Longitude | 13.9420 ± 0.0547 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 52779 |
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) | 5074.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 280 |
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) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00469 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01125 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 52779 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:50:57 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 52779 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1987-07-26T15:45:34.50 | 10.0 | undecidable | manual | SN | 227 | 1.2543 | 0.42 | 0.5 | |
--.ASS.Z. | 1987-07-26T15:45:26.00 | 10.0 | undecidable | manual | SG | 259 | 0.9546 | -0.36 | 0.6 | |
--.ARV.Z. | 1987-07-26T15:45:21.42 | 10.0 | undecidable | manual | SG | 290 | 0.7659 | 0.96 | 0.3 | |
--.MNS.Z. | 1987-07-26T15:45:18.00 | 10.0 | undecidable | manual | PN | 227 | 1.2543 | 0.96 | 0.6 | |
--.ALP.Z. | 1987-07-26T15:45:12.79 | 10.0 | undecidable | manual | SG | 211 | 0.5217 | 0.12 | 1.1 | |
--.ASS.Z. | 1987-07-26T15:45:11.59 | 10.0 | undecidable | manual | PG | 259 | 0.9546 | -0.99 | 0.6 | |
--.ARV.Z. | 1987-07-26T15:45:09.20 | 10.0 | undecidable | manual | PG | 290 | 0.7659 | -0.15 | 1.8 | |
--.ALP.Z. | 1987-07-26T15:45:04.60 | 10.0 | undecidable | manual | PG | 211 | 0.5217 | -0.62 | 2.5 |