A magnitude Md 2.2 earthquake occured in region: 9 km NE Borgo San Lorenzo (FI), on
and geographic coordinates (lat, lon) 44.0210, 11.4520 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 |
---|---|---|---|---|
Borgo San Lorenzo | FI | 9 | 18211 | 18211 |
Vicchio | FI | 10 | 8044 | 26255 |
Scarperia e San Piero | FI | 12 | 12217 | 38472 |
Firenzuola | FI | 12 | 4726 | 43198 |
Palazzuolo sul Senio | FI | 13 | 1154 | 44352 |
Marradi | FI | 14 | 3139 | 47491 |
Dicomano | FI | 15 | 5515 | 53006 |
Barberino di Mugello | FI | 17 | 10836 | 63842 |
San Godenzo | FI | 17 | 1167 | 65009 |
Vaglia | FI | 19 | 5073 | 70082 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.5 |
1987-11-08 15:21:58 |
44.021 | 11.452 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 58309 |
Field | Value |
---|---|
Time (UTC) | 1987-11-08 15:21:58 ± 0.252 |
Latitude | 44.0210 ± 0.0324 |
Longitude | 11.4520 ± 0.0185 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 58309 |
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) | 3900.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 194 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00210 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00550 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 58309 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:55:49 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 58309 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1987-11-08T15:22:19.24 | 10.0 | undecidable | manual | SG | 274 | 0.6105 | -0.58 | 0.2 | |
--.CRE.Z. | 1987-11-08T15:22:17.83 | 10.0 | undecidable | manual | SG | 138 | 0.5328 | 0.5 | 0.2 | |
--.BDI.Z. | 1987-11-08T15:22:10.98 | 10.0 | undecidable | manual | PG | 274 | 0.6105 | 0.33 | 1.1 | |
--.SS9.Z. | 1987-11-08T15:22:10.70 | 10.0 | undecidable | manual | SG | 109 | 0.2997 | 0.26 | 0.7 | |
--.CRE.Z. | 1987-11-08T15:22:09.35 | 10.0 | undecidable | manual | PG | 138 | 0.5328 | 0.14 | 1.8 | |
--.PGD.Z. | 1987-11-08T15:22:07.22 | 10.0 | undecidable | manual | SG | 126 | 0.2331 | -0.6 | 0.2 | |
--.SS9.Z. | 1987-11-08T15:22:04.81 | 10.0 | undecidable | manual | PG | 109 | 0.2997 | -0.07 | 2.2 | |
--.PGD.Z. | 1987-11-08T15:22:03.48 | 10.0 | undecidable | manual | PG | 126 | 0.2331 | -0.25 | 1.7 |