A magnitude Md 2.1 earthquake occured in region: 7 km E Firenzuola (FI), on
and geographic coordinates (lat, lon) 44.1440, 11.4640 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 |
---|---|---|---|---|
Firenzuola | FI | 7 | 4726 | 4726 |
Palazzuolo sul Senio | FI | 8 | 1154 | 5880 |
Castel del Rio | BO | 9 | 1246 | 7126 |
Marradi | FI | 14 | 3139 | 10265 |
Monghidoro | BO | 14 | 3749 | 14014 |
Fontanelice | BO | 15 | 1943 | 15957 |
Casola Valsenio | RA | 16 | 2617 | 18574 |
Borgo Tossignano | BO | 18 | 3288 | 21862 |
Loiano | BO | 18 | 4294 | 26156 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1992-05-29 07:43:37 |
44.144 | 11.464 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 166449 |
Field | Value |
---|---|
Time (UTC) | 1992-05-29 07:43:37 ± 0.527 |
Latitude | 44.1440 ± 0.0452 |
Longitude | 11.4640 ± 0.0366 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 166449 |
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) | 5817.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 215 |
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) | 0.4 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 166449 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:35:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1992-05-29T07:43:59.81 | 10.0 | undecidable | manual | SG | 262 | 0.6216 | -0.7 | 0.3 | |
--.MME.Z. | 1992-05-29T07:43:57.19 | 10.0 | undecidable | manual | SG | 275 | 0.5439 | -0.83 | 0.2 | |
--.CRE.Z. | 1992-05-29T07:43:51.40 | 10.0 | undecidable | manual | PG | 146 | 0.6327 | 0.54 | 1 | |
--.BDI.Z. | 1992-05-29T07:43:51.23 | 10.0 | undecidable | manual | PG | 262 | 0.6216 | 0.44 | 1.3 | |
--.SFI.Z. | 1992-05-29T07:43:51.10 | 10.0 | undecidable | manual | SG | 131 | 0.3552 | -0.69 | 0.3 | |
--.PGD.Z. | 1992-05-29T07:43:50.47 | 10.0 | undecidable | manual | SG | 145 | 0.3219 | 0.27 | 0.8 | |
--.MME.Z. | 1992-05-29T07:43:49.55 | 10.0 | undecidable | manual | PG | 275 | 0.5439 | 0.2 | 1.9 | |
--.PGD.Z. | 1992-05-29T07:43:45.00 | 10.0 | undecidable | manual | PG | 145 | 0.3219 | 0.16 | 2.1 | |
--.SFI.Z. | 1992-05-29T07:43:45.12 | 10.0 | undecidable | manual | PG | 131 | 0.3552 | -0.58 | 1.1 |