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The Richter scale (/ ˈ r ɪ k t ər /), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, is a measure of the strength of earthquakes, developed by Charles Francis Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude scale".
72. On 8 September 2021, a fire occurred in an overcrowded prison block in the city of Tangerang, Banten, Indonesia, in Greater Jakarta. The fire began at about 01:45 WIB ( 18:45 UTC, 7 September) in sector C of the Tangerang prison, killing 41 inmates and injuring a further 75. [2] More victims succumbed to their injuries in the following days ...
In modern usage, civil time refers to statutory time as designated by civilian authorities. Modern civil time is generally national standard time in a time zone at a fixed offset from Coordinated Universal Time (UTC), possibly adjusted by daylight saving time during part of the year. UTC is calculated by reference to atomic clocks and was ...
A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time.
List of tz database time zones. The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software. [1] This is a list of time zones from release 2024a of the tz database. [2]
Hour angle. The hour angle is indicated by an orange arrow on the celestial equator plane. The arrow ends at the hour circle of an orange dot indicating the apparent place of an astronomical object on the celestial sphere. In astronomy and celestial navigation, the hour angle is the dihedral angle between the meridian plane (containing Earth's ...
At least 1. The Baghdad police recruitment centre bombing was a suspected suicide bombing in the city of Baghdad, Iraq, that killed 28 people on 8 March 2009. The attack occurred at 10 am local time ( UTC +3) in the centre of a crowd outside the police recruitment centre building. Most of the dead were police recruits; others were civilians and ...
Property damage. A few damaged buildings. The Tunguska event (occasionally also called the Tunguska incident) was a large explosion of between 3 and 50 megatons [2] that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai ), Russia, on the morning of 30 June 1908. [1] [3] The explosion over the sparsely ...