A magnitude Md 2.1 earthquake occured in region: 9 km E Santa Sofia (FC), on
and geographic coordinates (lat, lon) 43.9370, 12.0200 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 |
---|---|---|---|---|
Santa Sofia | FC | 9 | 4136 | 4136 |
Bagno di Romagna | FC | 9 | 6026 | 10162 |
Sarsina | FC | 10 | 3446 | 13608 |
Civitella di Romagna | FC | 10 | 3786 | 17394 |
Galeata | FC | 11 | 2516 | 19910 |
Mercato Saraceno | FC | 14 | 6886 | 26796 |
Verghereto | FC | 16 | 1907 | 28703 |
Sant'Agata Feltria | RN | 17 | 2151 | 30854 |
Predappio | FC | 19 | 6346 | 37200 |
Casteldelci | RN | 19 | 407 | 37607 |
Rocca San Casciano | FC | 20 | 1910 | 39517 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1990-09-29 12:16:17 |
43.937 | 12.02 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 127939 |
Field | Value |
---|---|
Time (UTC) | 1990-09-29 12:16:17 ± 0.261 |
Latitude | 43.9370 ± 0.0171 |
Longitude | 12.0200 ± 0.0129 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 127939 |
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) | 2163.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 227 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00113 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00712 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 127939 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:58:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1990-09-29T12:16:44.00 | 10.0 | undecidable | manual | SG | 122 | 0.7881 | -0.62 | 0.1 | |
--.ARV.Z. | 1990-09-29T12:16:33.20 | 10.0 | undecidable | manual | PG | 122 | 0.7881 | 0.21 | 1.1 | |
--.CRE.Z. | 1990-09-29T12:16:29.00 | 10.0 | undecidable | manual | SG | 188 | 0.3108 | -0.29 | 0.6 | |
--.PGD.Z. | 1990-09-29T12:16:26.50 | 10.0 | undecidable | manual | SG | 254 | 0.2109 | 0.33 | 0.5 | |
--.CRE.Z. | 1990-09-29T12:16:24.50 | 10.0 | undecidable | manual | PG | 188 | 0.3108 | 0.37 | 1.1 | |
--.SFI.Z. | 1990-09-29T12:16:22.80 | 10.0 | undecidable | manual | SG | 255 | 0.1221 | -0.3 | 0.5 | |
--.PGD.Z. | 1990-09-29T12:16:22.15 | 10.0 | undecidable | manual | PG | 254 | 0.2109 | -0.18 | 1.9 | |
--.SFI.Z. | 1990-09-29T12:16:20.50 | 10.0 | undecidable | manual | PG | 255 | 0.1221 | -0.06 | 2.3 |