A magnitude ML 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.6910, 15.5590 at 161 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.5 | 2011-11-21 18:13:37 |
38.691 | 15.559 | 161 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1311499 |
Field | Value |
---|---|
Time (UTC) | 2011-11-21 18:13:37 ± 0.32 |
Latitude | 38.6910 ± 0.0216 |
Longitude | 15.5590 ± 0.0542 |
Depth (km) | 161 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1311499 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 4788 |
Semi-minor axis of confidence ellipse (meter) | 1427 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 107 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 5277.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 173 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.55942 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1311499 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 02:02:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MPAZ.HHE. | 2011-11-21T18:14:20.16 | 0.6 | undecidable | manual | Sg | 154 | 90.6426 | -0.123 | 48 | |
IV.PLAC.HHN. | 2011-11-21T18:14:20.04 | 0.6 | undecidable | manual | Sg | 109 | 80.7636 | 0.811 | 39 | |
IV.CAR1.HHZ. | 2011-11-21T18:14:19.29 | 0.6 | undecidable | manual | Sg | 42 | 83.9493 | -0.269 | 46 | |
IV.SOI.EHE. | 2011-11-21T18:14:19.85 | 0.6 | undecidable | manual | Sg | 148 | 80.9523 | 0.612 | 42 | |
IV.MSCL.HHE. | 2011-11-21T18:14:17.00 | 1.0 | undecidable | manual | Sg | 158 | 54.7008 | 0.074 | 25 | |
IV.JOPP.HHE. | 2011-11-21T18:14:15.42 | 0.3 | undecidable | manual | Sg | 108 | 29.748 | -0.062 | 80 | |
IV.SCHR.EHZ. | 2011-11-21T18:14:09.66 | 0.3 | undecidable | manual | Pg | 15 | 173.0934 | 0.799 | 47 | |
IV.SALB.HHZ. | 2011-11-21T18:14:06.92 | 0.3 | undecidable | manual | Pg | 27 | 147.9408 | 0.374 | 60 | |
IV.PIPA.HHZ. | 2011-11-21T18:14:05.87 | 0.1 | undecidable | manual | Pg | 50 | 139.5603 | 0.049 | 87 | |
IV.MMME.HHE. | 2011-11-21T18:14:02.13 | 0.3 | undecidable | manual | Pg | 198 | 87.9453 | 0.187 | 70 | |
IV.MPAZ.HHE. | 2011-11-21T18:14:02.01 | 0.3 | undecidable | manual | Pg | 154 | 90.6426 | -0.109 | 71 | |
IV.MCSR.HHE. | 2011-11-21T18:14:01.62 | 0.3 | undecidable | manual | Pg | 202 | 75.1692 | 0.432 | 68 | |
IV.CAR1.HHZ. | 2011-11-21T18:14:01.22 | 0.1 | undecidable | manual | Pg | 42 | 83.9493 | -0.482 | 88 | |
IV.SOI.EHE. | 2011-11-21T18:14:01.29 | 0.3 | undecidable | manual | Pg | 148 | 80.9523 | -0.227 | 71 | |
IV.PLAC.HHN. | 2011-11-21T18:14:01.49 | 0.1 | undecidable | manual | Pg | 109 | 80.7636 | -0.017 | 98 | |
MN.CEL.HHE. | 2011-11-21T18:14:00.07 | 0.3 | undecidable | manual | Pg | 149 | 55.8996 | -0.162 | 75 | |
IV.MSCL.HHE. | 2011-11-21T18:13:59.86 | 0.3 | undecidable | manual | Pg | 158 | 54.7008 | -0.321 | 73 | |
IV.JOPP.HHE. | 2011-11-21T18:13:58.97 | 0.1 | undecidable | manual | Pg | 108 | 29.748 | -0.379 | 100 | |
IV.NOVE.EHE. | 2011-11-21T18:13:55.15 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MMN.HHZ. | 2011-11-21T18:13:54.73 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.MMN.HHZ. | 2011-11-21T18:13:53.58 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |