A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.5900, 15.5020 at 178 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 2.1 | 2011-03-30 17:51:45 |
38.59 | 15.502 | 178 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1188999 |
Field | Value |
---|---|
Time (UTC) | 2011-03-30 17:51:45 ± 0.13 |
Latitude | 38.5900 ± 0.0144 |
Longitude | 15.5020 ± 0.0276 |
Depth (km) | 178 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1188999 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2730 |
Semi-minor axis of confidence ellipse (meter) | 539 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 121 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2884.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 271 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.42358 |
Epicentral distance of station farthest from the epicenter (degree) | 1.14124 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1188999 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 23:13:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.TIP.HHZ. | 2011-03-30T17:52:35.95 | 0.3 | undecidable | manual | Sg | 59 | 126.6732 | -0.087 | 85 | |
IV.PLAC.HHE. | 2011-03-30T17:52:31.09 | 0.3 | undecidable | manual | Sg | 101 | 82.7505 | 0.079 | 94 | |
IV.MPAZ.HHZ. | 2011-03-30T17:52:30.92 | 0.3 | undecidable | manual | Sg | 148 | 83.25 | -0.134 | 92 | |
IV.MSCL.HHZ. | 2011-03-30T17:52:28.33 | 0.3 | undecidable | manual | Sg | 148 | 47.0196 | 0.096 | 100 | |
MN.TIP.HHZ. | 2011-03-30T17:52:14.82 | 0.3 | undecidable | manual | Pg | 59 | 126.6732 | 0.032 | 86 | |
IV.PLAC.HHE. | 2011-03-30T17:52:11.93 | 0.3 | undecidable | manual | Pg | 101 | 82.7505 | 0.043 | 94 | |
IV.MPAZ.HHZ. | 2011-03-30T17:52:11.94 | 0.3 | undecidable | manual | Pg | 148 | 83.25 | 0.028 | 94 | |
IV.SOI.EHZ. | 2011-03-30T17:52:11.47 | 0.3 | undecidable | manual | Pg | 140 | 74.8695 | 0.003 | 96 | |
IV.MSCL.HHZ. | 2011-03-30T17:52:10.20 | 0.3 | undecidable | manual | Pg | 148 | 47.0196 | -0.083 | 100 |