A magnitude Md 2.4 earthquake occured in region: 7 km W Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9540, 11.6990 at 9 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 |
---|---|---|---|---|
Premilcuore | FC | 7 | 799 | 799 |
San Godenzo | FI | 7 | 1167 | 1966 |
Portico e San Benedetto | FC | 11 | 756 | 2722 |
Tredozio | FC | 15 | 1212 | 3934 |
Londa | FI | 15 | 1840 | 5774 |
Marradi | FI | 15 | 3139 | 8913 |
Dicomano | FI | 16 | 5515 | 14428 |
Rocca San Casciano | FC | 17 | 1910 | 16338 |
Santa Sofia | FC | 17 | 4136 | 20474 |
Galeata | FC | 18 | 2516 | 22990 |
Pratovecchio Stia | AR | 18 | 5845 | 28835 |
Vicchio | FI | 19 | 8044 | 36879 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1990-11-21 18:41:28 |
43.954 | 11.699 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 130759 |
Field | Value |
---|---|
Time (UTC) | 1990-11-21 18:41:28 ± 0.556 |
Latitude | 43.9540 ± 0.0449 |
Longitude | 11.6990 ± 0.0324 |
Depth (km) | 9 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 130759 |
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) | 5625.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 220 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00065 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00907 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 130759 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:01:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1990-11-21T18:42:04.31 | 10.0 | undecidable | manual | SG | 116 | 1.0101 | 1.7 | 0 | |
--.ARV.Z. | 1990-11-21T18:41:47.92 | 10.0 | undecidable | manual | PG | 116 | 1.0101 | -0.12 | 0.9 | |
--.PII.Z. | 1990-11-21T18:41:45.85 | 10.0 | undecidable | manual | PG | 255 | 0.8769 | 0.2 | 1 | |
--.CRE.Z. | 1990-11-21T18:41:42.28 | 10.0 | undecidable | manual | SG | 151 | 0.3774 | -0.2 | 0.5 | |
--.CRE.Z. | 1990-11-21T18:41:36.30 | 10.0 | positive | manual | PG | 151 | 0.3774 | -0.39 | 2.1 | |
--.SFI.Z. | 1990-11-21T18:41:33.68 | 10.0 | undecidable | manual | SG | 115 | 0.1221 | 0.08 | 0.6 | |
--.PGD.Z. | 1990-11-21T18:41:31.11 | 10.0 | undecidable | manual | PG | 168 | 0.0666 | 0.47 | 0.9 | |
--.SFI.Z. | 1990-11-21T18:41:30.84 | 10.0 | negative | manual | PG | 115 | 0.1221 | -0.45 | 2 |