A magnitude Md 2.2 earthquake occured in region: 5 km SW Santa Sofia (FC), on
and geographic coordinates (lat, lon) 43.9020, 11.8860 at 7 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 |
---|---|---|---|---|
Santa Sofia | FC | 5 | 4136 | 4136 |
Bagno di Romagna | FC | 9 | 6026 | 10162 |
Galeata | FC | 11 | 2516 | 12678 |
Premilcuore | FC | 12 | 799 | 13477 |
Civitella di Romagna | FC | 13 | 3786 | 17263 |
Verghereto | FC | 15 | 1907 | 19170 |
Portico e San Benedetto | FC | 16 | 756 | 19926 |
Pratovecchio Stia | AR | 18 | 5845 | 25771 |
Rocca San Casciano | FC | 18 | 1910 | 27681 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1990-05-22 15:30:51 |
43.902 | 11.886 | 7 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 119439 |
Field | Value |
---|---|
Time (UTC) | 1990-05-22 15:30:51 ± 0.167 |
Latitude | 43.9020 ± 0.0129 |
Longitude | 11.8860 ± 0.0158 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 119439 |
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) | 1912.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 170 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00024 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00364 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 119439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:50:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1990-05-22T15:31:02.60 | 10.0 | undecidable | manual | SG | 170 | 0.2775 | -0.25 | 0.3 | |
--.RSM.Z. | 1990-05-22T15:31:00.60 | 10.0 | undecidable | manual | PG | 85 | 0.3996 | 0 | 1 | |
--.CRE.Z. | 1990-05-22T15:30:58.50 | 10.0 | undecidable | manual | PG | 170 | 0.2775 | 0.41 | 0.4 | |
--.PGD.Z. | 1990-05-22T15:30:57.00 | 10.0 | undecidable | manual | SG | 257 | 0.1221 | 0.16 | 0.5 | |
--.SFI.Z. | 1990-05-22T15:30:54.58 | 10.0 | undecidable | manual | SG | 275 | 0.0222 | 0.37 | 0.3 | |
--.PGD.Z. | 1990-05-22T15:30:54.50 | 10.0 | positive | manual | PG | 257 | 0.1221 | -0.12 | 3 | |
--.SFI.Z. | 1990-05-22T15:30:52.67 | 10.0 | positive | manual | PG | 275 | 0.0222 | -0.43 | 0.5 |