A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4830, 15.4880 at 133 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 |
Md 2.1
ML 2.1 |
2011-02-07 22:28:38 |
38.483 | 15.488 | 133 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1169819 |
Field | Value |
---|---|
Time (UTC) | 2011-02-07 22:28:38 ± 0.17 |
Latitude | 38.4830 ± 0.0081 |
Longitude | 15.4880 ± 0.0172 |
Depth (km) | 133 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1169819 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1570 |
Semi-minor axis of confidence ellipse (meter) | 447 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 281 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1749.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 172 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.95328 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1169819 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 22:48:09 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1169819 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 22:48:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAR1.HHE. | 2011-02-07T22:29:18.24 | 0.3 | undecidable | manual | Sg | 36 | 105.8163 | 0.033 | 67 | |
IV.SOI.EHE. | 2011-02-07T22:29:13.55 | 0.3 | undecidable | manual | Sg | 133 | 67.0773 | 0.17 | 70 | |
IV.MPAZ.HHN. | 2011-02-07T22:29:13.95 | 0.6 | undecidable | manual | Sg | 142 | 74.1702 | -0.192 | 46 | |
IV.MSCL.HHE. | 2011-02-07T22:29:10.98 | 0.6 | undecidable | manual | Sg | 137 | 38.3283 | 0.041 | 51 | |
IV.MSRU.HHN. | 2011-02-07T22:29:10.02 | 0.3 | undecidable | manual | Sg | 176 | 24.3534 | -0.175 | 75 | |
IV.MILZ.HHN. | 2011-02-07T22:29:10.79 | 0.3 | undecidable | manual | Sg | 224 | 32.4453 | 0.202 | 74 | |
IV.CAR1.HHE. | 2011-02-07T22:29:01.26 | 0.3 | undecidable | manual | Pg | 36 | 105.8163 | -0.05 | 67 | |
IV.MPAZ.HHN. | 2011-02-07T22:28:59.14 | 0.3 | undecidable | manual | Pg | 142 | 74.1702 | 0.179 | 69 | |
IV.SOI.EHE. | 2011-02-07T22:28:58.57 | 0.3 | undecidable | manual | Pg | 133 | 67.0773 | 0.052 | 72 | |
IV.MSCL.HHE. | 2011-02-07T22:28:57.01 | 0.1 | undecidable | manual | Pg | 137 | 38.3283 | -0.101 | 100 | |
IV.ORI.HHN. | 2011-02-07T22:28:57.06 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MSRU.HHN. | 2011-02-07T22:28:56.52 | 0.3 | undecidable | manual | Pg | 176 | 24.3534 | -0.159 | 76 | |
IV.MILZ.HHN. | 2011-02-07T22:28:56.92 | 0.3 | undecidable | manual | Pg | 224 | 32.4453 | 0.015 | 77 |