A magnitude Md 2.5 earthquake occured in region: 7 km S Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9180, 11.7730 at 15 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 |
Santa Sofia | FC | 11 | 4136 | 4935 |
Portico e San Benedetto | FC | 12 | 756 | 5691 |
San Godenzo | FI | 12 | 1167 | 6858 |
Galeata | FC | 14 | 2516 | 9374 |
Pratovecchio Stia | AR | 15 | 5845 | 15219 |
Civitella di Romagna | FC | 17 | 3786 | 19005 |
Rocca San Casciano | FC | 17 | 1910 | 20915 |
Londa | FI | 18 | 1840 | 22755 |
Bagno di Romagna | FC | 18 | 6026 | 28781 |
Tredozio | FC | 18 | 1212 | 29993 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1990-10-28 23:15:15 |
43.918 | 11.773 | 15 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 129559 |
Field | Value |
---|---|
Time (UTC) | 1990-10-28 23:15:15 ± 0.259 |
Latitude | 43.9180 ± 0.0196 |
Longitude | 11.7730 ± 0.0285 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 129559 |
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) | 3154.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 205 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00049 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00842 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 129559 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:00:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PII.Z. | 1990-10-28T23:15:46.36 | 10.0 | undecidable | manual | SN | 258 | 0.9213 | -0.49 | 0.2 | |
--.PII.Z. | 1990-10-28T23:15:34.31 | 10.0 | undecidable | manual | PN | 258 | 0.9213 | 0.72 | 0.3 | |
--.ARV.Z. | 1990-10-28T23:15:34.00 | 10.0 | undecidable | manual | PN | 115 | 0.9324 | 0.12 | 1 | |
--.CRE.Z. | 1990-10-28T23:15:28.16 | 10.0 | undecidable | manual | SG | 156 | 0.3219 | 0.16 | 0.7 | |
--.CRE.Z. | 1990-10-28T23:15:22.40 | 10.0 | undecidable | manual | PG | 156 | 0.3219 | -0.3 | 1.4 | |
--.PGD.Z. | 1990-10-28T23:15:21.50 | 10.0 | undecidable | manual | SG | 221 | 0.0555 | 0.62 | 0.2 | |
--.SFI.Z. | 1990-10-28T23:15:21.00 | 10.0 | undecidable | manual | SG | 104 | 0.0555 | 0.14 | 0.7 | |
--.SR3.E. | 1990-10-28T23:15:20.80 | 10.0 | undecidable | manual | SG | 129 | 0.0555 | -0.09 | 0.7 | |
--.SR3.Z. | 1990-10-28T23:15:19.00 | 10.0 | negative | manual | PG | 129 | 0.0555 | 0.4 | 2.5 | |
--.SFI.Z. | 1990-10-28T23:15:18.31 | 10.0 | positive | manual | PG | 104 | 0.0555 | -0.27 | 2.9 | |
--.PGD.Z. | 1990-10-28T23:15:17.88 | 10.0 | undecidable | manual | PG | 221 | 0.0555 | -0.71 | 0.5 |