A magnitude Md 2.2 earthquake occured in region: 2 km E Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9730, 11.8020 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 |
---|---|---|---|---|
Premilcuore | FC | 2 | 799 | 799 |
Portico e San Benedetto | FC | 6 | 756 | 1555 |
Santa Sofia | FC | 9 | 4136 | 5691 |
Galeata | FC | 9 | 2516 | 8207 |
Rocca San Casciano | FC | 11 | 1910 | 10117 |
Civitella di Romagna | FC | 12 | 3786 | 13903 |
Tredozio | FC | 13 | 1212 | 15115 |
San Godenzo | FI | 15 | 1167 | 16282 |
Dovadola | FC | 18 | 1653 | 17935 |
Marradi | FI | 19 | 3139 | 21074 |
Bagno di Romagna | FC | 19 | 6026 | 27100 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-07-08 05:34:48 |
43.973 | 11.802 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 51309 |
Field | Value |
---|---|
Time (UTC) | 1987-07-08 05:34:48 ± 0.366 |
Latitude | 43.9730 ± 0.0263 |
Longitude | 11.8020 ± 0.0150 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 51309 |
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) | 3165.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 294 |
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) | 0.00057 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00332 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 51309 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:49:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1987-07-08T05:35:02.78 | 10.0 | undecidable | manual | SG | 163 | 0.3663 | 0.28 | 0 | |
--.CRE.Z. | 1987-07-08T05:34:56.61 | 10.0 | undecidable | manual | PG | 163 | 0.3663 | -0.08 | 0.7 | |
--.PGD.Z. | 1987-07-08T05:34:54.10 | 10.0 | undecidable | manual | SG | 210 | 0.111 | -0.23 | 0.1 | |
--.PGD.Z. | 1987-07-08T05:34:52.30 | 10.0 | negative | manual | PG | 210 | 0.111 | 0.06 | 2.4 | |
--.SS9.Z. | 1987-07-08T05:34:52.73 | 10.0 | undecidable | manual | SG | 145 | 0.0666 | -0.25 | 0.1 | |
--.SS9.Z. | 1987-07-08T05:34:51.21 | 10.0 | positive | manual | PG | 145 | 0.0666 | 0.02 | 2.7 |