A magnitude ML 2.0 earthquake occured in region: 6 km W Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1230, 11.4770 at 27 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 | 6 | 1154 | 1154 |
Firenzuola | FI | 8 | 4726 | 5880 |
Castel del Rio | BO | 10 | 1246 | 7126 |
Marradi | FI | 12 | 3139 | 10265 |
Casola Valsenio | RA | 16 | 2617 | 12882 |
Fontanelice | BO | 16 | 1943 | 14825 |
Monghidoro | BO | 17 | 3749 | 18574 |
Borgo Tossignano | BO | 20 | 3288 | 21862 |
Borgo San Lorenzo | FI | 20 | 18211 | 40073 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8
ML 2.0 |
2011-05-27 23:56:27 |
44.123 | 11.477 | 27 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1223069 |
Field | Value |
---|---|
Time (UTC) | 2011-05-27 23:56:27 ± 0.41 |
Latitude | 44.1230 ± 0.0099 |
Longitude | 11.4770 ± 0.0238 |
Depth (km) | 27 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1223069 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1594 |
Semi-minor axis of confidence ellipse (meter) | 1249 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 256 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2195.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 140 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34354 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.0 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1223069 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 23:59:57 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1223069 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 23:59:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHN. | 2011-05-27T23:56:41.39 | 0.3 | undecidable | manual | Sg | 129 | 38.1285 | 0.25 | 70 | |
IV.LAV9.HHZ. | 2011-05-27T23:56:39.73 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MTRZ.HHE. | 2011-05-27T23:56:37.70 | 0.6 | undecidable | manual | Sg | 349 | 21.5673 | 0.079 | 49 | |
IV.SEI.SHZ. | 2011-05-27T23:56:36.32 | 0.3 | undecidable | manual | Sg | 231 | 12.0768 | 0.141 | 75 | |
IV.VMG.SHZ. | 2011-05-27T23:56:36.55 | 0.6 | undecidable | manual | Sg | 163 | 18.6702 | -0.573 | 44 | |
IV.SFI.EHN. | 2011-05-27T23:56:35.19 | 0.1 | undecidable | manual | Pg | 129 | 38.1285 | -0.125 | 96 | |
IV.VMG.SHZ. | 2011-05-27T23:56:33.08 | 0.3 | undecidable | manual | Pg | 163 | 18.6702 | 0.087 | 75 | |
IV.MTRZ.HHE. | 2011-05-27T23:56:33.09 | 0.3 | undecidable | manual | Pg | 349 | 21.5673 | -0.189 | 73 | |
IV.SEI.SHZ. | 2011-05-27T23:56:32.59 | 0.1 | undecidable | manual | Pg | 231 | 12.0768 | 0.146 | 100 |