A magnitude Md 1.9 earthquake occured in region: 2 km E Portico e San Benedetto (FC), on
and geographic coordinates (lat, lon) 44.0180, 11.8090 at 16 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 |
---|---|---|---|---|
Portico e San Benedetto | FC | 2 | 756 | 756 |
Premilcuore | FC | 5 | 799 | 1555 |
Rocca San Casciano | FC | 6 | 1910 | 3465 |
Galeata | FC | 9 | 2516 | 5981 |
Tredozio | FC | 9 | 1212 | 7193 |
Civitella di Romagna | FC | 11 | 3786 | 10979 |
Santa Sofia | FC | 11 | 4136 | 15115 |
Dovadola | FC | 13 | 1653 | 16768 |
Modigliana | FC | 16 | 4560 | 21328 |
Predappio | FC | 17 | 6346 | 27674 |
Marradi | FI | 17 | 3139 | 30813 |
San Godenzo | FI | 18 | 1167 | 31980 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9 | 1990-10-21 05:30:51 |
44.018 | 11.809 | 16 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 129149 |
Field | Value |
---|---|
Time (UTC) | 1990-10-21 05:30:51 ± 0.356 |
Latitude | 44.0180 ± 0.0166 |
Longitude | 11.8090 ± 0.0278 |
Depth (km) | 16 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 129149 |
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) | 2894.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 321 |
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) | 0.00364 |
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 | 1.9 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 129149 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:00:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1990-10-21T05:31:07.00 | 10.0 | undecidable | manual | SG | 165 | 0.3996 | -0.01 | 0.5 | |
--.CRE.Z. | 1990-10-21T05:31:00.50 | 10.0 | undecidable | manual | PG | 165 | 0.3996 | -0.05 | 1.2 | |
--.SR3.E. | 1990-10-21T05:30:59.20 | 10.0 | undecidable | manual | SG | 172 | 0.1332 | 0.27 | 0.2 | |
--.PGD.Z. | 1990-10-21T05:30:59.50 | 10.0 | undecidable | manual | SG | 203 | 0.1554 | 0.12 | 0.6 | |
--.SFI.Z. | 1990-10-21T05:30:58.00 | 10.0 | undecidable | manual | SG | 166 | 0.1221 | -0.44 | 0 | |
--.PGD.Z. | 1990-10-21T05:30:56.00 | 10.0 | undecidable | manual | PG | 203 | 0.1554 | -0.15 | 1.3 | |
--.SR3.Z. | 1990-10-21T05:30:56.00 | 10.0 | positive | manual | PG | 172 | 0.1332 | 0.11 | 3 | |
--.SFI.Z. | 1990-10-21T05:30:55.00 | 10.0 | undecidable | manual | PG | 166 | 0.1221 | -0.6 | 0 |