A magnitude mb 4.9 earthquake occured in region: Tonga Islands [Sea: Tonga], on
and geographic coordinates (lat, lon) -17.1300, -174.5300 at 126 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 4.9 | 2011-09-09 02:46:22 |
-17.13 | -174.53 | 126 | 2013-01-06 01:24:02 |
CSEM | 1283919 |
Field | Value |
---|---|
Time (UTC) | 2011-09-09 02:46:22 |
Latitude | -17.1300 |
Longitude | -174.5300 |
Depth (km) | 126 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1283919 |
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 | 38 |
Number of defining phases | 7 |
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 | 30 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 4.9 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 1283919 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-06 01:24:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MA9.HHN. | 2011-09-09T03:07:23.34 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.MTCE.HHE. | 2011-09-09T03:07:20.15 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.NRCA.HHZ. | 2011-09-09T03:07:19.02 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MA9.HHN. | 2011-09-09T03:07:19.73 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.RDP.HHE. | 2011-09-09T03:07:19.56 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.TERO.HHE. | 2011-09-09T03:07:18.90 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.CAMP.HHZ. | 2011-09-09T03:07:17.54 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FIAM.HHZ. | 2011-09-09T03:07:17.65 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.MTCE.HHE. | 2011-09-09T03:07:16.50 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SMA1.EHZ. | 2011-09-09T03:07:14.34 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FIAM.HHZ. | 2011-09-09T03:07:13.01 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.TERO.HHE. | 2011-09-09T03:07:13.69 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.T0104.HHE. | 2011-09-09T03:07:12.71 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SSFR.HHE. | 2011-09-09T03:07:04.96 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.STAL.HHN. | 2011-09-09T03:07:02.40 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.VVLD.HHE. | 2011-09-09T03:06:59.52 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.CRE.HHN. | 2011-09-09T03:06:48.15 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
NI.CGRP.HHN. | 2011-09-09T03:06:45.36 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MABI.HHN. | 2011-09-09T03:06:22.15 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SALO.HHE. | 2011-09-09T03:06:21.53 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
GU.MAIM.HHE. | 2011-09-09T03:06:20.94 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FNVD.HHZ. | 2011-09-09T03:06:19.12 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.ROVR.HHN. | 2011-09-09T03:06:18.09 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SALO.HHE. | 2011-09-09T03:06:18.23 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.BOB.HHE. | 2011-09-09T03:06:13.85 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.BOB.HHE. | 2011-09-09T03:06:10.02 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FNVD.HHZ. | 2011-09-09T03:06:05.19 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.PTF.SHZ. | 2011-09-09T03:06:04.61 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SEI.SHE. | 2011-09-09T03:06:04.98 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MAGA.HHZ. | 2011-09-09T03:06:00.08 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
SI.MOSI.HHZ. | 2011-09-09T03:05:59.31 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.DAVOX.HHN. | 2011-09-09T03:05:59.02 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
SI.ABSI.HHZ. | 2011-09-09T03:05:58.35 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
NI.AGOR.HHN. | 2011-09-09T03:05:58.80 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.STAL.HHN. | 2011-09-09T03:05:58.20 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
SI.RISI.HHZ. | 2011-09-09T03:05:57.65 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.PRMA.HHZ. | 2011-09-09T03:05:54.00 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
GU.FINB.HHE. | 2011-09-09T03:05:36.29 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |