A magnitude Mw 6.1 earthquake occured in region: Tonga Islands [Sea: Tonga], on
and geographic coordinates (lat, lon) -15.2000, -173.1000 at 10 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 |
Mw 6.1 | 2010-04-21 17:20:26 |
-15.2 | -173.1 | 10 | 2013-01-05 19:58:32 |
CSEM | 1038869 |
Field | Value |
---|---|
Time (UTC) | 2010-04-21 17:20:26 |
Latitude | -15.2000 |
Longitude | -173.1000 |
Depth (km) | 10 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1038869 |
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 | 23 |
Number of defining phases | 19 |
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 | 23 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 6.1 |
Uncertainty | |
Num. used stations | |
Type of magnitude | Mw |
Reference to an origin | 1038869 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-05 19:58:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIU.EHN. | 2010-04-21T17:40:31.52 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.BSSO.HHZ. | 2010-04-21T17:40:25.14 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SNAL.HHZ. | 2010-04-21T17:40:23.29 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.VLC.HHN. | 2010-04-21T17:40:20.75 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SERS.HHZ. | 2010-04-21T17:40:19.28 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SACS.HHN. | 2010-04-21T17:40:19.16 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.CMPR.HHE. | 2010-04-21T17:40:19.25 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.AMUR.HHZ. | 2010-04-21T17:40:19.11 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.CING.HHN. | 2010-04-21T17:40:19.18 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.VAGA.HHZ. | 2010-04-21T17:40:18.96 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.AQU.HHZ. | 2010-04-21T17:40:18.55 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.FNVD.HHZ. | 2010-04-21T17:40:18.80 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MOCO.HHZ. | 2010-04-21T17:40:18.54 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.CSNT.HHN. | 2010-04-21T17:40:18.60 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.BNI.HHN. | 2010-04-21T17:40:17.10 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MTCE.HHZ. | 2010-04-21T17:40:17.14 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.PIEI.HHN. | 2010-04-21T17:40:16.32 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MRGE.HHZ. | 2010-04-21T17:40:15.98 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.BRMO.HHZ. | 2010-04-21T17:40:11.14 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.APPI.EHE. | 2010-04-21T17:40:11.47 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MNS.HHE. | 2010-04-21T17:40:11.12 | 1.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MABI.HHZ. | 2010-04-21T17:40:11.21 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.TUE.HHN. | 2010-04-21T17:40:10.02 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 |