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DeMets, C., Gordon, R.G., & Argus, D.F., 2010. Geologically current plate motions (Geophys. J. Int., 181, 1–80, doi: 10.1111/j.1365-246X.2009.04491.x).

This erratum corrects several typographical and/or transcription errors in DeMets et al. (2010), as follows. (1) The GPS-derived angular velocities and covariances in Table 4 on p. 58 of DeMets et al. (2010) were transcribed incorrectly into the original manuscript from their computer source files. Table 4 is amended herein and fully replaces the original Table 4. None of the transcription errors in Table 4 affect the MORVEL angular velocity estimates or any of the other calculations in the original paper. (2) All velocities given in paragraph 2 of section 5.8.2 (p. 61) for the movement of the Caribbean plate relative to the South America plate along the Central Range fault of Trinidad (10.4°N, 61.2°W) instead specify motion of the South America plate relative to a fixed Caribbean plate. In the same paragraph, the 20.0 ± 0.5 mm yr−1 (1σ), S78.2°W±1.3° velocity that is predicted at 10.4°N, 61.2°W by the MORVEL South America–Caribbean plate angular velocity was inadvertently determined using an out-of-date angular velocity estimate and should instead be 20.4 ± 0.4 mm yr−1 (1σ) toward S76.5°W±1.4°. The new velocity resolves into fault-parallel and fault-normal components of 20.2 ± 0.4 mm yr−1 and 3.0 ± 0.5 mm yr−1 along the N68°E-striking Central Range fault, slightly different than the values of 19.6 ± 0.5 mm yr−1 and 3.5 ± 0.5 mm yr−1 that are cited near the end of the same paragraph. (3) The first sentence in section 5.6.6 incorrectly states that there are 68 seafloor spreading rates from the Pacific-Cocos plate boundary. There are instead 61 spreading rates. (4) Finally, the exclamation point within the text string ‘NA!SA’ in fig. 25 should instead be a hyphen.

Table 4.  Corrected best-fitting GPS angular velocities and covariances relative to ITRF2000 and ITRF2005.
PlateNum.Angular velocityVariances and covariances
stationsLat. (°N)Long. (°E)ω (deg Myr−1)σxxσxyσxzσyyσyzσzz
  1. aGeodetic reference plate for MORVEL. Plate abbreviations are defined in fig. 1 of DeMets et al. (2010). Angular velocities describe counter-clockwise rotation of the given plate relative to either ITRF2000 or ITRF2005. All site velocities were adjusted for geocentral translation prior to the estimate of the best-fitting angular velocities, as described in the text. Cartesian covariances are propagated from the GPS velocity uncertainties and have units of 10−8 rad2 Myr−2. Additional information about the covariances is given in the footnotes to table 1 of DeMets et al. (2010).

AM-ITRF200020−61.959.50.2830.816−1.286−1.6042.4792.9453.831
AU-ITRF2000a20−32.6−142.50.6260.125−0.0900.0820.107−0.0710.107
CA-ITRF20051636.9−98.90.2610.706−1.5610.4844.459−1.3090.716
NA-ITRF2005a457−6.8−84.80.1890.0010.0000.0000.032−0.0230.020
PA-ITRF2005a21−63.4111.80.6770.1680.029−0.0100.035−0.0020.056
PS-ITRF20054−47.1−29.60.9258.601−9.486−5.53710.7186.2003.892
SU-ITRF200018−48.586.10.3260.746−1.809−0.4347.7991.8000.565
YZ-ITRF200083−61.965.30.3200.382−0.747−0.4681.5610.9670.628

This erratum is also accompanied by Supporting Information that contains text versions of tables 1, 2, 3, 5 and 6 from DeMets et al. (2010) and a text version of the amended Table 4 displayed in this erratum.

REFERENCES

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  3. Supporting Information

Supporting Information

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  2. REFERENCES
  3. Supporting Information

Supplement. Text versions of tables 1, 2, 3, 5 and 6 from DeMets et al. (2010) and a text version of the amended Table 4 displayed in this erratum.

FilenameFormatSizeDescription
GJI_5186_sm_SuppMat.txt23KSupporting info item

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