On an Earthquake

"On an Earthquake" is an Early American Latin prose selection from the Leo Kaiser collection in AP Latin Topic 1.29, a colonial-era account used as suggested sight-reading practice to sharpen vocabulary in context, word formation analysis, and grammar identification.

Verified for the 2027 AP Latin examLast updated June 2026

What is On an Earthquake?

"On an Earthquake" is one of the Early American Latin prose passages gathered by scholar Leo Kaiser and used in AP Latin's Unit 1 Suggested Practice for Latin prose (Topic 1.29). These texts were written in Latin by writers in colonial America, which surprises a lot of people. Latin wasn't just an ancient language; educated colonists used it to record real events, including natural disasters like an earthquake.

For AP purposes, the passage itself isn't something you memorize. It's a workout. You read it the way you'd read an unseen passage on the exam: define words from the required vocabulary list, use context clues and word roots to crack unfamiliar terms, and let case endings and verb forms tell you who is doing what. A passage about the ground shaking is great for this because the vocabulary is vivid and the action is concrete, so you can check your grammar guesses against common sense.

Why On an Earthquake matters in AP Latin

This passage lives in Unit 1 (Suggested Practice – Latin Prose) under Topic 1.29, and it directly supports three learning objectives. AP Latin 1.29.A asks you to define Latin words and phrases, leaning on the required vocabulary list plus cognates and word formation. AP Latin 1.29.B asks you to pin down what a word means in context, which matters because Latin words are often polysemous (one word, several meanings). AP Latin 1.29.C asks you to explain how grammar creates meaning, so case, number, gender, tense, voice, and mood. Sight-reading is roughly half the AP Latin exam, and you can't sight-read Caesar-style prose cold. Passages like "On an Earthquake" are where you build that muscle on lower-stakes material.

How On an Earthquake connects across the course

Nov-Anglia (Unit 1)

Nov-Anglia is the Latin name for New England, and it shows up across the Early American Latin texts in Topic 1.29. Spotting it in a passage like this one instantly tells you the setting is colonial America, not ancient Rome, which changes how you read names and places.

Early American Latin, Leo Kaiser collection (Unit 1)

"On an Earthquake" is one selection inside the larger Kaiser collection of colonial Latin prose. The whole collection exists to prove a point. The reading skills from the CED work on any Latin prose, whether it was written in 50 BCE or the 1700s.

Sight-reading prose on the AP exam (Unit 1)

The exam's multiple-choice section includes Latin passages you've never seen before. Practicing on "On an Earthquake" trains the exact moves those questions reward, like using a noun's case to find its function and using prefixes and roots to decode new words.

Is On an Earthquake on the AP Latin exam?

You won't see "On an Earthquake" quoted as required reading. The required syllabus authors are Vergil and Caesar, and this passage is suggested practice, not syllabus content. But the skills it builds are tested constantly. Sight-reading MCQs ask things like what a word means in this specific context, what case a noun is and why, or what a verb's tense and mood contribute to the sentence. Those map straight onto AP Latin 1.29.A, 1.29.B, and 1.29.C. When you practice this passage, don't just translate. Force yourself to justify every answer with a grammatical reason (it's accusative, so it's the direct object) because that's the habit the exam rewards.

Key things to remember about On an Earthquake

  • "On an Earthquake" is an Early American Latin prose passage from the Leo Kaiser collection, covered in AP Latin Topic 1.29.

  • It belongs to Unit 1's Suggested Practice for Latin prose, so it's a sight-reading workout, not required exam reading.

  • The passage trains the three Topic 1.29 skills: defining required vocabulary, using context to choose the right meaning, and reading grammar (case, tense, voice, mood) for meaning.

  • Early American Latin texts like this one show Latin being used in colonial America, often referring to places like Nov-Anglia (New England).

  • The payoff is on the exam's sight-reading questions, where you apply these same decoding skills to unseen Latin prose.

Frequently asked questions about On an Earthquake

What is "On an Earthquake" in AP Latin?

It's an Early American Latin prose passage from the Leo Kaiser collection, used in AP Latin Topic 1.29 (Unit 1) as suggested sight-reading practice. It's a colonial-era Latin account of an earthquake.

Is "On an Earthquake" on the AP Latin required reading list?

No. The required syllabus covers Vergil's Aeneid and Caesar's Gallic War. "On an Earthquake" is suggested practice material for building the sight-reading skills the exam tests on unseen passages.

How is "On an Earthquake" different from Nov-Anglia?

"On an Earthquake" is a passage title from the Kaiser Early American Latin collection, while Nov-Anglia is the Latin name for New England, a place name you'll meet inside these colonial texts. One is a text; the other is vocabulary within the texts.

Why does AP Latin include Early American Latin texts at all?

They're low-stakes practice for sight-reading. The CED skills in Topic 1.29 (defining vocabulary, using context clues, analyzing grammar) work on any Latin prose, and colonial American passages give you fresh, unseen material to drill on before facing Caesar-style passages cold.

What skills should I practice with "On an Earthquake"?

Three things, matching learning objectives 1.29.A, 1.29.B, and 1.29.C: define words from the required vocabulary list, use context and word formation (prefixes, roots, cognates) to handle unfamiliar words, and explain how case, number, tense, voice, and mood create the sentence's meaning.