--Doublet Earthquake--

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The information I have included helps distinguish between an after shock and a doublet earthquake. I have also included information on a specific doublet earthquake to help give an idea of what exactly a doublet earthquake is. The final piece I contributed was how there is no preparation for them since officials do not plan on them happening since they are such a rare occurrence.

````Matthew Gordon```` — Preceding unsigned comment added by Mgord23 (talkcontribs) 23:10, 26 October 2016 (UTC)Reply

Review:

Seismologists sometimes refer to a pair of similarly sized earthquake shocks that occur relatively closely spaced in time and location as an earthquake "doublet." [1] This is distinct from the normal pattern of earthquake aftershocks. Aftershocks gradually diminish in magnitude and generally come from the same origin as a mainshock, whereas doublet earthquakes originate from a place other than the original earthquake.[2] The first earthquake can be some considerable distance and time away from the second. The magnitude of the second quake may be slightly larger than the first.[3] This type of earthquake occurs once or twice every year but are far rarer than more typical earthquakes. In earthquake prone regions officials do not plan on doublet earthquakes occurring since they are a rare occurrence.[4] However, when they do occur they have a high disaster potential.[4] A relatively recent doublet earthquake occurred late in 2006 and early in 2007 in the Kuril Islands of Japan, which had not had a large scale earthquake since 1915.[4] The first earthquake took place on November 15 and was of magnitude 8.3.[4] Shortly after this seismic activity began in the Pacific plate where the second earthquake would take place on January 13, measuring a magnitude of 8.1.[4] There was only 1 reported injury from the first earthquake and no reported injuries from the second earthquake since they both originated in the ocean. However, each earthquake caused a tsunami and the earthquake on November 15 created a tsunami that reached the coast of California causing $500,000- $1,000,000 in damages.[5] There may also be examples of triplet earthquakes such as the 2010 Mindanao earthquakes.

The language is a little too vague sometimes for a scientific article. For example, in the first sentence, "seismologists sometimes refer": the word sometimes is ambiguous and should be either replaced or discarded. And in the fourth sentence, you say "the first earthquake can be some considerable distance and time away from the seceond." The word "some" should be discarded and after the word "second" you should add "wave" or something similar in order to add clarity. In sentences seven aned eight, avoid using the word "occur" as often as you do and try find synonyms to replace it. Changes like this can remove ambiguity, add clarity, and eliminate repetition.

As far as structure, I think separate sections should be created. I think you should split the paragraph into two sections, creating the split between 7 and 8. Once you begin talking about the "relatively recent doublet", you should begin a new section of the article that is dedicated solely to the event that you go on to describe. You might mention in the intro of the page which gives the definition that Kuril Islands earthquake is a recent and significant example of a doublet earthquake. Continue in that last section about the Kuril Islands with eliminating more vague filler words like "shortly after", vague measurements of time or distance. If you can't give a definite statement in particular occurrences, try and find a range to give for a general idea.

I couldn't view the first source, but the other sources appeared reliable. I have no issue with any of the facts and figures that you provided in the article; they all seemed accurate and appropriately used.

Careschroeder (talk) 23:53, 6 November 2016 (UTC)Reply

Wiki Education Foundation-supported course assignment

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  This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Student editor(s): Mgord23.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 19:47, 16 January 2022 (UTC)Reply

Revision coming

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I am preparing a revision of this article that gets deeper into the topic, using solid scientific sources. (Not the Daily Mail!) ♦ J. Johnson (JJ) (talk) 19:47, 21 October 2018 (UTC)Reply