In the previous two days GPS monitoring had detected unusual crustal movements which may have been indicative of a change in the movement of magma under the volcano.
12.
This occurred near the Tagaytay ridge taking advantage of the southward projection of the Marikina fault line, and the crustal movements include areas as far as north as Para�aque.
13.
Global sea level is also affected by vertical crustal movements, changes in Earth's rotation rate, large-scale changes in continental margins and changes in the spreading rate of the ocean floor.
14.
On 7 March he read to the Society his longest paper yet, which explained the earthquake he had witnessed at Concepci�n, Chile, in terms of gradual crustal movements, to the delight of Lyell.
15.
The oblique trend of this coast would be even more pronounced but for a comparatively modern crustal movement, causing a depression in the northeast resulting in an encroachment of the sea upon the land.
16.
While the epicentre of the 426 BC Malian Gulf tsunami quake is yet to be located, evidence points at a crustal movement along one of the faults in the Euboean gulf, rather than submarine landslides.
17.
Last Feb . 26, the day of the earthquake scare caused by the faulty meter, the Meteorological Agency did issue an advisory saying that abnormal crustal movements had been detected but that the problem might be an instrument problem.
