A magnitude mb 5.7 earthquake occured in region: Tonga Islands [Sea: Tonga], on
and geographic coordinates (lat, lon) -15.6300, -175.2000 at 50 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 5.7 | 2011-05-17 10:35:33 |
-15.63 | -175.2 | 50 | 2013-01-05 23:47:58 |
CSEM | 1214209 |
Field | Value |
---|---|
Time (UTC) | 2011-05-17 10:35:33 |
Latitude | -15.6300 |
Longitude | -175.2000 |
Depth (km) | 50 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1214209 |
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 | 34 |
Number of defining phases | 14 |
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 | 33 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 5.7 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 1214209 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-05 23:47:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T0104.HHE. | 2011-05-17T10:55:42.47 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.FRON.EHN. | 2011-05-17T10:55:41.47 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
GU.LSD.HHZ. | 2011-05-17T10:55:27.27 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.ZCCA.HHZ. | 2011-05-17T10:55:26.96 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MTRZ.HHZ. | 2011-05-17T10:55:22.71 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
GU.SC2M.HHN. | 2011-05-17T10:55:22.10 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.ERBM.EHZ. | 2011-05-17T10:55:21.37 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
GU.RRL.HHZ. | 2011-05-17T10:55:21.90 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.FNVD.HHZ. | 2011-05-17T10:55:21.68 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SFI.EHZ. | 2011-05-17T10:55:20.95 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
GU.LSD.HHZ. | 2011-05-17T10:55:20.65 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.PRMA.HHZ. | 2011-05-17T10:55:20.65 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MABI.HHZ. | 2011-05-17T10:55:17.70 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.TEOL.HHZ. | 2011-05-17T10:55:17.73 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.TRIF.HHE. | 2011-05-17T10:55:16.69 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.MRGE.HHZ. | 2011-05-17T10:55:16.31 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
NI.SABO.HHZ. | 2011-05-17T10:55:16.75 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.BERNI.HHE. | 2011-05-17T10:55:16.23 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.MUGIO.HHZ. | 2011-05-17T10:55:15.17 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.TUE.HHZ. | 2011-05-17T10:55:15.93 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.GIMEL.HHZ. | 2011-05-17T10:55:15.71 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.BRMO.HHZ. | 2011-05-17T10:55:15.87 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.DAVOX.HHZ. | 2011-05-17T10:55:15.52 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.FUORN.HHE. | 2011-05-17T10:55:15.73 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.FUSIO.HHZ. | 2011-05-17T10:55:14.83 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
NI.PALA.HHZ. | 2011-05-17T10:55:14.40 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.DIX.HHZ. | 2011-05-17T10:55:13.31 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.BLY.HHZ. | 2011-05-17T10:55:12.51 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.VARE.HHZ. | 2011-05-17T10:55:12.17 | 0.6 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.STAL.HHE. | 2011-05-17T10:55:09.77 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.BNI.HHZ. | 2011-05-17T10:55:03.85 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
GU.TRAV.HHZ. | 2011-05-17T10:54:50.97 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SSY.HHE. | 2011-05-17T10:54:50.77 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.CIGN.HHE. | 2011-05-17T10:54:32.95 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 |