A magnitude Md 2.3 earthquake occured in region: 2 km E Firenzuola (FI), on
and geographic coordinates (lat, lon) 44.1170, 11.4040 at 10 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 |
---|---|---|---|---|
Firenzuola | FI | 2 | 4726 | 4726 |
Palazzuolo sul Senio | FI | 12 | 1154 | 5880 |
Monghidoro | BO | 13 | 3749 | 9629 |
Castel del Rio | BO | 14 | 1246 | 10875 |
Marradi | FI | 17 | 3139 | 14014 |
San Benedetto Val di Sambro | BO | 18 | 4315 | 18329 |
Borgo San Lorenzo | FI | 18 | 18211 | 36540 |
Scarperia e San Piero | FI | 18 | 12217 | 48757 |
Loiano | BO | 18 | 4294 | 53051 |
Barberino di Mugello | FI | 18 | 10836 | 63887 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1989-08-27 05:37:04 |
44.117 | 11.404 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 98349 |
Field | Value |
---|---|
Time (UTC) | 1989-08-27 05:37:04 ± 0.495 |
Latitude | 44.1170 ± 0.0335 |
Longitude | 11.4040 ± 0.0253 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 98349 |
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) | 4237.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 218 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00291 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00567 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 98349 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:31:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1989-08-27T05:37:26.35 | 10.0 | undecidable | manual | SG | 141 | 0.6327 | -0.61 | 0.5 | |
--.SFI.Z. | 1989-08-27T05:37:18.00 | 10.0 | undecidable | manual | SG | 123 | 0.3774 | -0.91 | 0.4 | |
--.FIR.Z. | 1989-08-27T05:37:17.50 | 10.0 | undecidable | manual | SG | 197 | 0.3552 | -0.62 | 0.5 | |
--.CRE.Z. | 1989-08-27T05:37:17.83 | 10.0 | undecidable | manual | PG | 141 | 0.6327 | 0.29 | 1.8 | |
--.BDI.Z. | 1989-08-27T05:37:16.00 | 10.0 | undecidable | manual | PG | 265 | 0.5772 | -0.56 | 1.2 | |
--.PGD.Z. | 1989-08-27T05:37:16.70 | 10.0 | undecidable | manual | SG | 136 | 0.3219 | -0.57 | 0.6 | |
--.FIR.Z. | 1989-08-27T05:37:13.50 | 10.0 | undecidable | manual | PG | 197 | 0.3552 | 1.06 | 0.8 | |
--.PGD.Z. | 1989-08-27T05:37:12.80 | 10.0 | undecidable | manual | PG | 136 | 0.3219 | 0.86 | 1.1 | |
--.SFI.Z. | 1989-08-27T05:37:12.71 | 10.0 | undecidable | manual | PG | 123 | 0.3774 | -0.18 | 2.2 |