A magnitude Md 2.3 earthquake occured in region: 3 km SW Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.0900, 11.5310 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 |
---|---|---|---|---|
Palazzuolo sul Senio | FI | 3 | 1154 | 1154 |
Marradi | FI | 7 | 3139 | 4293 |
Firenzuola | FI | 13 | 4726 | 9019 |
Castel del Rio | BO | 14 | 1246 | 10265 |
Casola Valsenio | RA | 17 | 2617 | 12882 |
Tredozio | FC | 17 | 1212 | 14094 |
Vicchio | FI | 18 | 8044 | 22138 |
Borgo San Lorenzo | FI | 19 | 18211 | 40349 |
Fontanelice | BO | 19 | 1943 | 42292 |
San Godenzo | FI | 20 | 1167 | 43459 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.9 |
2002-04-30 21:50:30 |
44.09 | 11.531 | 7 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 440259 |
Field | Value |
---|---|
Time (UTC) | 2002-04-30 21:50:30 ± 0.336 |
Latitude | 44.0900 ± 0.0222 |
Longitude | 11.5310 ± 0.0206 |
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 | 440259 |
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) | 2969.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 185 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00113 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00729 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 440259 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:56:08 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 440259 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 2002-04-30T21:50:50.38 | 10.0 | undecidable | manual | SG | 146 | 0.555 | -0.59 | 0.4 | |
--.PII.Z. | 2002-04-30T21:50:47.75 | 10.0 | undecidable | manual | PG | 243 | 0.8103 | 0.68 | 0.6 | |
--.CSNT.Z. | 2002-04-30T21:50:44.10 | 10.0 | undecidable | manual | PG | 195 | 0.6327 | 0.23 | 1.4 | |
--.BDI.Z. | 2002-04-30T21:50:44.66 | 10.0 | undecidable | manual | PG | 267 | 0.666 | 0.23 | 1.4 | |
--.SFI.Z. | 2002-04-30T21:50:41.93 | 10.0 | undecidable | manual | SG | 128 | 0.2886 | -0.24 | 0.7 | |
--.CRE.Z. | 2002-04-30T21:50:41.59 | 10.0 | undecidable | manual | PG | 146 | 0.555 | -0.76 | 0.7 | |
--.ZCCA.Z. | 2002-04-30T21:50:40.67 | 10.0 | undecidable | manual | PG | 303 | 0.4662 | -0.13 | 1.8 | |
--.SFI.Z. | 2002-04-30T21:50:38.14 | 10.0 | undecidable | manual | PG | 128 | 0.2886 | 0.86 | 0.6 | |
--.SEI.Z. | 2002-04-30T21:50:36.66 | 10.0 | undecidable | manual | SG | 254 | 0.1221 | 0.52 | 0.5 | |
--.SEI.Z. | 2002-04-30T21:50:33.19 | 10.0 | positive | manual | PG | 254 | 0.1221 | -0.6 | 2.1 |