【題目】2015年4月25日14時(shí)11分尼泊爾(北緯28.2°,東經(jīng)84.7°)發(fā)生8.1級(jí)地震,震源深度20千米。讀圖完成下列各題。

1此次地震位于圖II中的(  )

A. ①點(diǎn) B. ②點(diǎn) C. ③點(diǎn) D. ④點(diǎn)

2圖II中甲處組建了一抗震救災(zāi)醫(yī)療小組,為快速趕到災(zāi)區(qū)救援,其應(yīng)快速前進(jìn)的方向是(  )

A. 西北地區(qū) B. 東北方向

C. 西南方向 D. 東南方向

3尼泊爾發(fā)生此次地震的原因主要是(  )

A. 位于亞歐板塊和印度洋板塊的交界處,地殼運(yùn)動(dòng)活躍

B. 位于亞歐板塊和非洲板塊的交界處,地殼運(yùn)動(dòng)活躍

C. 位于亞歐板塊和太平洋板塊的交界處,地殼運(yùn)動(dòng)活躍

D. 位于印度洋板塊和太平洋板塊的交界處,地殼運(yùn)動(dòng)活躍

【答案】

1C

2C

3A

【解析】

1讀圖可知:①點(diǎn)的位置為:北緯32°,東經(jīng)86.7° ②點(diǎn)的位置為北緯32°,東經(jīng)86.7°③點(diǎn)的位置為北緯28.2°,東經(jīng)84.7°,④點(diǎn)北緯28.2°,東經(jīng)84.7°,故選擇答案C。

2根據(jù)經(jīng)線指示南北方向,緯線指示東西方向,故應(yīng)快速向西南方向前進(jìn)。

3一般來說,板塊的內(nèi)部比較穩(wěn)定,板塊與板塊交界的地帶,有的張裂拉伸,有的碰撞擠壓,地殼比較活躍.尼泊爾位于亞歐板塊與印度洋板塊的交界處,兩板塊不斷的碰撞擠壓,是尼泊爾形成地震的原因。

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