A magnitude Md 2.2 earthquake occured in region: 6 km SE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0370, 11.6690 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 |
---|---|---|---|---|
Marradi | FI | 6 | 3139 | 3139 |
Tredozio | FC | 8 | 1212 | 4351 |
Portico e San Benedetto | FC | 9 | 756 | 5107 |
Premilcuore | FC | 11 | 799 | 5906 |
Palazzuolo sul Senio | FI | 13 | 1154 | 7060 |
San Godenzo | FI | 13 | 1167 | 8227 |
Rocca San Casciano | FC | 14 | 1910 | 10137 |
Modigliana | FC | 17 | 4560 | 14697 |
Vicchio | FI | 20 | 8044 | 22741 |
Dicomano | FI | 20 | 5515 | 28256 |
Galeata | FC | 20 | 2516 | 30772 |
Dovadola | FC | 20 | 1653 | 32425 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1994-05-01 16:28:35 |
44.037 | 11.669 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 208809 |
Field | Value |
---|---|
Time (UTC) | 1994-05-01 16:28:35 ± 0.23 |
Latitude | 44.0370 ± 0.0159 |
Longitude | 11.6690 ± 0.0106 |
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 | 208809 |
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) | 1958.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 221 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00105 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00413 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 208809 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:16:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1994-05-01T16:28:52.23 | 10.0 | undecidable | manual | SG | 153 | 0.4551 | 0.08 | 0 | |
--.CRE.Z. | 1994-05-01T16:28:44.56 | 10.0 | undecidable | manual | PG | 153 | 0.4551 | -0.39 | 0.2 | |
--.SFI.Z. | 1994-05-01T16:28:42.93 | 10.0 | undecidable | manual | SG | 135 | 0.1776 | 0.07 | 0.4 | |
--.PGD.Z. | 1994-05-01T16:28:41.85 | 10.0 | undecidable | manual | SG | 166 | 0.1665 | -0.34 | 0 | |
--.SEI.Z. | 1994-05-01T16:28:40.34 | 10.0 | undecidable | manual | PG | 274 | 0.2109 | -0.03 | 1.1 | |
--.PGD.Z. | 1994-05-01T16:28:39.32 | 10.0 | positive | manual | PG | 166 | 0.1665 | 0.13 | 1.8 | |
--.SFI.Z. | 1994-05-01T16:28:39.64 | 10.0 | positive | manual | PG | 135 | 0.1776 | 0.06 | 2.2 | |
--.VMG.Z. | 1994-05-01T16:28:38.31 | 10.0 | positive | manual | PG | 229 | 0.1221 | 0.06 | 2.2 |