A magnitude Md 2.2 earthquake occured in region: 7 km W Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.1910, 11.4240 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 |
---|---|---|---|---|
Castel del Rio | BO | 7 | 1246 | 1246 |
Firenzuola | FI | 9 | 4726 | 5972 |
Monghidoro | BO | 9 | 3749 | 9721 |
Loiano | BO | 12 | 4294 | 14015 |
Fontanelice | BO | 13 | 1943 | 15958 |
Palazzuolo sul Senio | FI | 13 | 1154 | 17112 |
Monterenzio | BO | 15 | 6035 | 23147 |
San Benedetto Val di Sambro | BO | 15 | 4315 | 27462 |
Monzuno | BO | 16 | 6328 | 33790 |
Borgo Tossignano | BO | 16 | 3288 | 37078 |
Casola Valsenio | RA | 16 | 2617 | 39695 |
Casalfiumanese | BO | 20 | 3438 | 43133 |
Marradi | FI | 20 | 3139 | 46272 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.6 |
1990-04-21 00:15:22 |
44.191 | 11.424 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 114549 |
Field | Value |
---|---|
Time (UTC) | 1990-04-21 00:15:22 ± 0.248 |
Latitude | 44.1910 ± 0.0196 |
Longitude | 11.4240 ± 0.0172 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 114549 |
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) | 2574.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
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) | 0.00340 |
Epicentral distance of station farthest from the epicenter (degree) | 0.02323 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 114549 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:46:31 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 114549 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FVI.Z. | 1990-04-21T00:16:04.60 | 10.0 | undecidable | manual | PN | 21 | 2.5752 | -0.52 | 0.6 | |
--.BOB.Z. | 1990-04-21T00:15:51.00 | 10.0 | undecidable | manual | PN | 293 | 1.5207 | 0.45 | 0.9 | |
--.BDI.Z. | 1990-04-21T00:15:45.10 | 10.0 | undecidable | manual | SG | 258 | 0.5994 | -0.15 | 0.7 | |
--.SFI.Z. | 1990-04-21T00:15:39.12 | 10.0 | undecidable | manual | SG | 133 | 0.4107 | 0.1 | 0.7 | |
--.PII.Z. | 1990-04-21T00:15:38.17 | 10.0 | undecidable | manual | PG | 234 | 0.7881 | -1.12 | 0.2 | |
--.CRE.Z. | 1990-04-21T00:15:38.00 | 10.0 | undecidable | manual | PG | 146 | 0.6882 | 0.82 | 0.6 | |
--.PGD.Z. | 1990-04-21T00:15:37.30 | 10.0 | undecidable | manual | SG | 145 | 0.3774 | -0.3 | 0.7 | |
--.BDI.Z. | 1990-04-21T00:15:36.50 | 10.0 | undecidable | manual | PG | 258 | 0.5994 | 0.33 | 1.6 | |
--.MME.Z. | 1990-04-21T00:15:34.47 | 10.0 | undecidable | manual | PG | 270 | 0.5106 | 0.39 | 1.5 | |
--.PGD.Z. | 1990-04-21T00:15:31.47 | 10.0 | undecidable | manual | PG | 145 | 0.3774 | 0.12 | 1.8 | |
--.SFI.Z. | 1990-04-21T00:15:31.90 | 10.0 | undecidable | manual | PG | 133 | 0.4107 | -0.27 | 1.7 |