A magnitude Mw 4.8 earthquake occured in region: Tonga Islands [Sea: Tonga], on
and geographic coordinates (lat, lon) -16.8000, -174.1500 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 |
Mw 4.8 | 2010-01-10 22:44:30 |
-16.8 | -174.15 | 80 | 2013-01-05 19:15:54 |
CSEM | 1004909 |
Field | Value |
---|---|
Time (UTC) | 2010-01-10 22:44:30 |
Latitude | -16.8000 |
Longitude | -174.1500 |
Depth (km) | 80 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1004909 |
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 | 18 |
Number of defining phases | 18 |
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 | 18 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 4.8 |
Uncertainty | |
Num. used stations | |
Type of magnitude | Mw |
Reference to an origin | 1004909 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-05 19:15:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FNVD.HHZ. | 2010-01-10T23:04:16.97 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
GU.TRAV.HHN. | 2010-01-10T23:04:14.03 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.DIX.HHZ. | 2010-01-10T23:04:13.85 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.MMK.HHZ. | 2010-01-10T23:04:13.70 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SALO.HHZ. | 2010-01-10T23:04:12.95 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MAGA.HHZ. | 2010-01-10T23:04:12.34 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.FUSIO.HHZ. | 2010-01-10T23:04:12.24 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.VARE.HHN. | 2010-01-10T23:04:12.85 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.MUGIO.HHZ. | 2010-01-10T23:04:12.27 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.BERNI.HHZ. | 2010-01-10T23:04:12.20 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.ROVR.HHZ. | 2010-01-10T23:04:12.71 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
NI.CGRP.HHZ. | 2010-01-10T23:04:12.26 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.TUE.HHE. | 2010-01-10T23:04:11.79 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.BNALP.HHE. | 2010-01-10T23:04:11.18 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.BRMO.HHZ. | 2010-01-10T23:04:11.57 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
NI.AGOR.HHZ. | 2010-01-10T23:04:11.01 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.DAVOX.HHN. | 2010-01-10T23:04:11.21 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.PTCC.HHZ. | 2010-01-10T23:04:09.73 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 |