A magnitude Md 1.9 earthquake occured in region: 4 km NW Bagno di Romagna (FC), on
and geographic coordinates (lat, lon) 43.8870, 11.9470 at 5 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 |
---|---|---|---|---|
Bagno di Romagna | FC | 4 | 6026 | 6026 |
Santa Sofia | FC | 7 | 4136 | 10162 |
Verghereto | FC | 11 | 1907 | 12069 |
Galeata | FC | 13 | 2516 | 14585 |
Civitella di Romagna | FC | 13 | 3786 | 18371 |
Sarsina | FC | 16 | 3446 | 21817 |
Premilcuore | FC | 17 | 799 | 22616 |
Casteldelci | RN | 20 | 407 | 23023 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9 | 1990-05-22 14:09:49 |
43.887 | 11.947 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 119369 |
Field | Value |
---|---|
Time (UTC) | 1990-05-22 14:09:49 ± 0.134 |
Latitude | 43.8870 ± 0.0080 |
Longitude | 11.9470 ± 0.0091 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 119369 |
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) | 1145.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 159 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00065 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00324 |
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 | 1.9 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 119369 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:50:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1990-05-22T14:09:59.60 | 10.0 | undecidable | manual | SG | 179 | 0.2553 | -0.09 | 0.4 | |
--.RSM.Z. | 1990-05-22T14:09:57.58 | 10.0 | undecidable | manual | PG | 83 | 0.3552 | 0.13 | 0.7 | |
--.PGD.Z. | 1990-05-22T14:09:56.35 | 10.0 | undecidable | manual | SG | 265 | 0.1665 | 0.57 | 0 | |
--.CRE.Z. | 1990-05-22T14:09:55.27 | 10.0 | undecidable | manual | PG | 179 | 0.2553 | -0.02 | 1.2 | |
--.SFI.Z. | 1990-05-22T14:09:52.50 | 10.0 | undecidable | manual | SG | 283 | 0.0666 | -0.09 | 0.5 | |
--.PGD.Z. | 1990-05-22T14:09:52.98 | 10.0 | positive | manual | PG | 265 | 0.1665 | -0.05 | 2.6 | |
--.SFI.Z. | 1990-05-22T14:09:51.00 | 10.0 | negative | manual | PG | 283 | 0.0666 | -0.18 | 1.6 |