A magnitude mb 5.3 earthquake occured in region: Tonga Islands [Sea: Tonga], on
and geographic coordinates (lat, lon) -15.1700, -173.6100 at 2 km depth.
The earthquake was located by: CSEM.
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.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
mb 5.3 | 2011-05-30 00:06:23 |
-15.17 | -173.61 | 2 | 2013-01-06 00:01:15 |
CSEM | 1223949 |
Field | Value |
---|---|
Time (UTC) | 2011-05-30 00:06:23 |
Latitude | -15.1700 |
Longitude | -173.6100 |
Depth (km) | 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1223949 |
Field | Value |
---|---|
Preferred uncertainty description | |
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) | |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00000 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 5.3 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 1223949 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-06 00:01:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SSFR.HHE. | 2011-05-30T00:26:19.17 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SFI.EHZ. | 2011-05-30T00:26:18.79 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SEI.SHZ. | 2011-05-30T00:26:18.26 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
GU.CIRO.HHZ. | 2011-05-30T00:26:15.27 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
GU.TRAV.HHZ. | 2011-05-30T00:26:15.23 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
GU.SATI.HHZ. | 2011-05-30T00:26:15.32 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MAGA.HHE. | 2011-05-30T00:26:13.50 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.BERNI.HHZ. | 2011-05-30T00:26:12.96 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.FUORN.HHZ. | 2011-05-30T00:26:12.63 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MTGR.SHZ. | 2011-05-30T00:25:59.79 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |