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A grounding resistance tester also called an earth tester is a soil resistance measuring instrument. It is used for sizing and projecting grounding grids. [1]Digital Earth resistance tester Analog Grounding resistance tester schematic Graph of Comparison analog and digital grounding resistance testers
On 5 August 2018, a destructive and shallow earthquake measuring M w 6.9 (M L 7.0 according to BMKG) struck the island of Lombok, Indonesia.It was the main shock following its foreshock, a nearby M w 6.4 earthquake on 29 July.
On 26 December 2004, at 07:58:53 local time (), a major earthquake with a magnitude of 9.2–9.3 M w struck with an epicentre off the west coast of Aceh in northern Sumatra, Indonesia.
Sailors of USS Abraham Lincoln prepare for aerial resupply drops by US helicopters.. Throughout the entire period of the main response to the tsunami disaster – from December 2004 for the next four or five years – there was much debate about both the size and form of way that assistance was delivered.
The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]
The 2006 Yogyakarta earthquake (also known as the Bantul earthquake) occurred at 05:53 local time on 27 May with a moment magnitude of 6.4 and a maximum MSK intensity of VIII (Damaging) in the Yogyakarta region of Java, Indonesia.
The 1139 Ganja earthquake was one of the worst seismic events in history. It affected the Seljuk Empire and the Kingdom of Georgia, in modern-day Azerbaijan and Georgia.The earthquake had an estimated magnitude of 7.7 M LH, 7.5 M s and 7.0–7.3 M w.
In precision agriculture, soil samples may be geolocated using GPS technology in order to estimate the geospatial distribution of nutrients in the sampled area.The geolocated samples are collected using a distribution and resolution that allows for the estimation of the geospatial variability of the soil area where the crop will be grown.