A magnitude mb 5.6 earthquake occured in region: Tonga Islands [Sea: Tonga], on
and geographic coordinates (lat, lon) -15.4000, -173.3000 at 80 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 5.6 | 2009-10-01 20:13:57 |
-15.4 | -173.3 | 80 | 2013-01-05 18:34:44 |
CSEM | 971819 |
Field | Value |
---|---|
Time (UTC) | 2009-10-01 20:13:57 |
Latitude | -15.4000 |
Longitude | -173.3000 |
Depth (km) | 80 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 971819 |
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 | 29 |
Number of defining phases | 23 |
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 | 29 |
Number of stations from which data was used for origin computation | 23 |
Field | Value |
---|---|
Value | 5.6 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 971819 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-05 18:34:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PTQR.SHZ. | 2009-10-01T20:33:45.19 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.VCEL.EHZ. | 2009-10-01T20:33:43.67 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.GRFL.SHZ. | 2009-10-01T20:33:43.08 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.PARC.HHZ. | 2009-10-01T20:33:42.26 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SNTG.SHZ. | 2009-10-01T20:33:42.62 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.CAFI.HHZ. | 2009-10-01T20:33:41.65 | 1.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.PRMA.HHZ. | 2009-10-01T20:33:41.16 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.PIEI.HHZ. | 2009-10-01T20:33:41.81 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.VMG.SHZ. | 2009-10-01T20:33:41.49 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SFI.EHZ. | 2009-10-01T20:33:41.13 | 1.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MTRZ.HHZ. | 2009-10-01T20:33:41.97 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FSSB.SHZ. | 2009-10-01T20:33:41.71 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.ASQU.HHZ. | 2009-10-01T20:33:41.31 | 1.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.ARVD.HHZ. | 2009-10-01T20:33:41.89 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.PDG.HHZ. | 2009-10-01T20:33:40.66 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
MN.BNI.HHN. | 2009-10-01T20:33:40.69 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MONC.HHZ. | 2009-10-01T20:33:39.09 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.BOB.HHZ. | 2009-10-01T20:33:39.91 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MRGE.HHZ. | 2009-10-01T20:33:38.68 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.BLY.HHZ. | 2009-10-01T20:33:37.12 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.ORO.SHZ. | 2009-10-01T20:33:37.87 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.BRMO.HHZ. | 2009-10-01T20:33:36.06 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MAGA.HHZ. | 2009-10-01T20:33:36.67 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.TUE.HHZ. | 2009-10-01T20:33:36.12 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.APPI.EHZ. | 2009-10-01T20:33:34.75 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.ERBM.EHZ. | 2009-10-01T20:33:34.99 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.PTCC.HHZ. | 2009-10-01T20:33:33.97 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.TRI.HHZ. | 2009-10-01T20:33:32.62 | 1.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.BADI.EHZ. | 2009-10-01T20:33:24.98 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |