Earthquake Intensity & Observed Effects(強度與現(xiàn)象)

I. Felt by only a few people under very special conditions.

II. Felt by only a few people at rest, especially on the upper floors of buildings.

III. Felt noticeably indoors, especially on upper floors of buildings.

IV. Felt indoors by many people, outdoors by a few; some awaked.

V. Felt by nearly everyone; many awaked; dishes and windows break; plaster 灰泥 cracks 開裂.

VI. Felt by everyone; many frightened and run outdoors; heavy furniture such as tables and shelves moves.

VII. Everyone runs outdoors; small to moderate 中等的 damage損毀 in usual buildings.

VIII.       Considerable 相當大的 damage in usual buildings; monuments fall.

IX. Considerable damage in all buildings; ground cracks; underground pipes 管道 break.

X. Most buildings damaged; rails bend彎曲; landslides 山崩 take place; water splashes濺落 over banks.

XI. Few buildings left standing; bridges damaged; wide cracks in the ground; underground pipes break.

XII. Damage total; waves seen on ground; objects thrown into air.

1. According to the picture, what is the possible position of the earthquake’s epicenter?

A36°N, 90°W.           B36°N, 90°E      .      C90°N, 36°W.           D90°N, 36°E.

2. What is the effects of earthquake intensity IV?

AEveryone runs outdoors.

BOnly a few people feel it.

CMany people who stay indoors feel it.

DFelt by people on the upper floors of buildings.

3. According to the picture, which city would have announced the report: “Nearly everyone felt the earthquake, and many people were awaked. Dishes and windows were broken”?

ACincinnati.              BLouisville.               CPittsburgh.              DNashville.

4. Which statement best describes the earthquake intensity at Boston?

AFelt indoors by few people under very special conditions.

BFew buildings left standing.

CFelt noticeably indoors, especially on upper floors of buildings.

DFelt indoors by many people, outdoors by a few, some awaked.

5. For which city was the description of an earthquake “Heavy furniture moved, everyone  felt it, and many were frightened and ran outdoors” reported?

ANashville.                BLouisville.             CSyracuse.               DCincinnati.

1、ACCCD

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