A magnitude Md 2.2 earthquake occured in region: 7 km W Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9840, 11.6940 at 9 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 | 7 | 799 | 799 |
Portico e San Benedetto | FC | 9 | 756 | 1555 |
San Godenzo | FI | 9 | 1167 | 2722 |
Tredozio | FC | 11 | 1212 | 3934 |
Marradi | FI | 12 | 3139 | 7073 |
Rocca San Casciano | FC | 15 | 1910 | 8983 |
Londa | FI | 17 | 1840 | 10823 |
Dicomano | FI | 17 | 5515 | 16338 |
Galeata | FC | 18 | 2516 | 18854 |
Santa Sofia | FC | 18 | 4136 | 22990 |
Palazzuolo sul Senio | FI | 19 | 1154 | 24144 |
Vicchio | FI | 19 | 8044 | 32188 |
Civitella di Romagna | FC | 20 | 3786 | 35974 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1990-02-05 03:56:04 |
43.984 | 11.694 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 109519 |
Field | Value |
---|---|
Time (UTC) | 1990-02-05 03:56:04 ± 0.308 |
Latitude | 43.9840 ± 0.0238 |
Longitude | 11.6940 ± 0.0176 |
Depth (km) | 9 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 109519 |
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) | 2996.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 179 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00097 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00712 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 109519 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:41:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1990-02-05T03:56:32.00 | 10.0 | undecidable | manual | SG | 276 | 0.7881 | -0.1 | 0.5 | |
--.RSM.Z. | 1990-02-05T03:56:24.16 | 10.0 | undecidable | manual | SG | 95 | 0.5439 | -0.08 | 0.5 | |
--.BDI.Z. | 1990-02-05T03:56:20.50 | 10.0 | undecidable | manual | PG | 276 | 0.7881 | 0.08 | 1.4 | |
--.CRE.Z. | 1990-02-05T03:56:20.20 | 10.0 | undecidable | manual | SG | 153 | 0.3996 | 0.43 | 0.5 | |
--.RSM.Z. | 1990-02-05T03:56:17.19 | 10.0 | undecidable | manual | PG | 95 | 0.5439 | 1.31 | 0.4 | |
--.CRE.Z. | 1990-02-05T03:56:12.50 | 10.0 | undecidable | manual | PG | 153 | 0.3996 | -0.8 | 0.8 | |
--.SFI.Z. | 1990-02-05T03:56:10.74 | 10.0 | undecidable | manual | SG | 125 | 0.1332 | 0.24 | 0.8 | |
--.PGD.Z. | 1990-02-05T03:56:10.21 | 10.0 | undecidable | manual | SG | 169 | 0.111 | 0.56 | 0.4 | |
--.SFI.Z. | 1990-02-05T03:56:07.57 | 10.0 | positive | manual | PG | 125 | 0.1332 | -0.38 | 2.8 | |
--.PGD.Z. | 1990-02-05T03:56:07.64 | 10.0 | undecidable | manual | PG | 169 | 0.111 | 0.17 | 1.9 |