A magnitude mb 5.0 earthquake occured in region: Tonga Islands [Sea: Tonga], on
and geographic coordinates (lat, lon) -15.4000, -173.6000 at 10 km depth.
The earthquake was located by: National Earthquake Information Center (NEIC), USGS, Colorado.
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 5.0 | 2009-10-01 13:33:44 |
-15.4 | -173.6 | 10 | 2013-01-05 18:34:34 |
National Earthquake Information Center (NEIC), USGS, Colorado | 971679 |
Field | Value |
---|---|
Time (UTC) | 2009-10-01 13:33:44 |
Latitude | -15.4000 |
Longitude | -173.6000 |
Depth (km) | 10 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> NEIC |
Event type | earthquake |
Origin ID | 971679 |
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 | 12 |
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 | 12 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 5.0 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 971679 |
Agency | INGV |
Autore | National Earthquake Information Center (NEIC), USGS, Colorado |
Time of creation (UTC) | 2013-01-05 18:34:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.SHZ. | 2009-10-01T13:53:40.73 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SEI.SHZ. | 2009-10-01T13:53:39.68 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.PIEI.HHZ. | 2009-10-01T13:53:39.21 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SNTG.SHZ. | 2009-10-01T13:53:39.55 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.PARC.HHZ. | 2009-10-01T13:53:39.52 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.BNI.HHZ. | 2009-10-01T13:53:37.70 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.ORO.SHZ. | 2009-10-01T13:53:35.59 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MRGE.HHZ. | 2009-10-01T13:53:35.75 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.BRMO.HHZ. | 2009-10-01T13:53:33.10 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.TUE.HHZ. | 2009-10-01T13:53:33.21 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.CEL.HHN. | 2009-10-01T13:53:32.72 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SFI.EHZ. | 2009-10-01T13:53:32.43 | 1.0 | undecidable | manual | PKP | 0 | 0 | 0 |