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Coasts

Understand coastlines, bays, peninsulas, straits and coastal landforms.

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Alaska · Borders · Map guides

Bering Strait Map: How Close Are Alaska and Russia?

Two maps can give very different answers to “How close is Alaska to Russia?” without showing different countries. One measures between the continental mainlands; the other includes two…

Coasts · Comparisons

Fjord vs Ria: Glacial and River-Valley Coasts

Two coastal inlets can both be long, narrow and scenic yet have different histories. To distinguish a fjord from a ria, ask what shaped the valley before seawater…

Coasts · Comparisons

Island vs Peninsula vs Isthmus: The Differences

Follow the land connection to distinguish an island, peninsula, and isthmus, then check the differences between an isthmus and a strait, canal-cut landforms, and tidal islands.

Coasts · Quizzes

Ocean and Coastal Geography Quiz: 20 Questions

Test your understanding with this ocean geography quiz: 20 questions on seawater, currents, tides, coastal systems and ocean observations. Each answer comes with an explanation, including short scenarios…

Coasts · Explainers

What Is a Strait?

On a map, a strait can look like a thin gap in the land, but its geographic role is more specific than its shape. The key is not…

Iran · Coasts · Explainers

Bandar Abbas: Iran’s Main Port

Bandar Abbas matters because it is both a real city and the mainland shipping gateway most closely associated with Iran’s access to the Strait of Hormuz. Many readers…

Coasts · Comparisons

Gulf vs. Bay vs. Fjord

Stand on a windy headland and scan the coastline: some inlets are open and sweeping, others curl inward like a clasped hand, and a few cut like narrow…