A magnitude ML 2.1 earthquake occured in region: 3 km E Forlì (FC), on
and geographic coordinates (lat, lon) 44.2270, 12.0780 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 |
---|---|---|---|---|
Forlì | FC | 3 | 117913 | 117913 |
Forlimpopoli | FC | 6 | 13290 | 131203 |
Bertinoro | FC | 10 | 11059 | 142262 |
Meldola | FC | 11 | 9970 | 152232 |
Castrocaro Terme e Terra del Sole | FC | 12 | 6426 | 158658 |
Predappio | FC | 16 | 6346 | 165004 |
Cesena | FC | 17 | 96758 | 261762 |
Russi | RA | 17 | 12247 | 274009 |
Faenza | RA | 17 | 58541 | 332550 |
Dovadola | FC | 19 | 1653 | 334203 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0
ML 2.1 |
2011-12-16 08:52:26 |
44.227 | 12.078 | 10 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1322979 |
Field | Value |
---|---|
Time (UTC) | 2011-12-16 08:52:26 ± 0.11 |
Latitude | 44.2270 ± 0.0054 |
Longitude | 12.0780 ± 0.0075 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1322979 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 632 |
Semi-minor axis of confidence ellipse (meter) | 579 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 287 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 848.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 330 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47754 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.0 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1322979 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 02:18:26 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1322979 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 02:18:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IMI.HHN. | 2011-12-16T08:52:43.72 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.VMG.SHZ. | 2011-12-16T08:52:43.40 | 0.3 | undecidable | manual | Sg | 236 | 51.7038 | 0.012 | 74 | |
IV.ASQU.HHE. | 2011-12-16T08:52:43.79 | 0.3 | undecidable | manual | Sg | 206 | 53.0025 | 0.066 | 73 | |
IV.SFI.EHZ. | 2011-12-16T08:52:40.23 | 0.3 | undecidable | manual | Sg | 207 | 40.2264 | -0.079 | 75 | |
IV.VMG.SHZ. | 2011-12-16T08:52:36.38 | 0.1 | undecidable | manual | Pg | 236 | 51.7038 | -0.015 | 99 | |
IV.ASQU.HHE. | 2011-12-16T08:52:36.54 | 0.1 | undecidable | manual | Pg | 206 | 53.0025 | -0.05 | 98 | |
IV.SFI.EHZ. | 2011-12-16T08:52:34.68 | 0.1 | undecidable | manual | Pg | 207 | 40.2264 | 0.061 | 100 | |
IV.MELA.HHZ. | 2011-12-16T08:52:19.15 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
SI.KOSI.HHN. | 2011-12-16T08:52:06.21 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FRON.EHN. | 2011-12-16T08:51:57.66 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |