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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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at which occurred

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "at which occurred" is not correct in English and does not convey a clear meaning.
It is likely intended to refer to a specific event or situation, but the construction is awkward and unclear. Example: "The conference was held at the location at which occurred the significant breakthrough in research."

⚠ May contain grammatical issues

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

The IC50 (inhibitor concentration at which occurs 50% inhibition of proliferation) value was calculated using Bliss method by SPSS software.

The substorm onset can also be identified by the positive bay in the geomagnetic field data at HON, which occurred at midnight.

These women's mean age at scanning, which occurred in 2005 2007, was 78.5 (SD 3.7) years.

Calves were also weighed (kg) at birth and weaning which occurred at approximately 60��days of age.

Details of the shooting, which occurred at 600 East 18th Street, were unclear last night.

News & Media

The New York Times

He said it was not clear what caused the explosion, which occurred at 6 40 p.m.

News & Media

The New York Times

The Dansgaard-Oeschger (or D-O) events, which occurred at irregular intervals, have no apparent cause.

News & Media

The New Yorker

Three other people were injured in the shooting, which occurred at 3 a.m.

News & Media

The New York Times

No one was injured in the jump, which occurred at 5 30 p.m.

News & Media

The New York Times

"I was at the second negotiation which occurred.

News & Media

Vice

No person was injured during the attack, which occurred at Dooleys Lidcombe Catholic Club in Lidcombe.

News & Media

Vice
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Expert writing Tips

Best practice

Avoid using the phrase "at which occurred" in your writing. Opt for clearer and more concise alternatives such as "where it happened" or "when it took place" to improve readability.

Common error

Many writers mistakenly use "at which occurred" thinking it sounds formal. Instead, it creates an unnatural and grammatically strained sentence. Replace it with simpler phrasing to achieve clarity.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

75%

Authority and reliability

2.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "at which occurred" functions as part of a relative clause, attempting to specify the location, time, or condition associated with an event. Ludwig AI indicates that this phrase is not considered correct in English and awkward.

Expression frequency: Missing

Frequent in

Science

0%

News & Media

0%

Formal & Business

0%

Less common in

Science

0%

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "at which occurred" is considered grammatically awkward and incorrect by Ludwig AI. It attempts to function as part of a relative clause, specifying the location, time, or conditions of an event, but it introduces unnecessary complexity. Due to its infrequency and awkwardness, it is best to avoid this phrase. Instead, opt for simpler alternatives like "where it happened" or "when it took place". These alternatives provide greater clarity and readability, improving the overall quality of your writing. The phrase's attempt at formality backfires due to its unnatural construction.

FAQs

Is "at which occurred" grammatically correct?

While not strictly ungrammatical, the phrase "at which occurred" is awkward and rarely used in modern English. Simpler alternatives like "where it happened" or "when it took place" are preferred.

How can I rephrase a sentence that uses "at which occurred"?

Consider using phrases like "where it happened", "when it took place", or rephrasing the sentence to use a more direct structure.

What are some alternatives to "at which occurred" in formal writing?

In formal contexts, you might use "the location where it occurred" or "the time when it happened", but ensure the sentence remains clear and concise. Simplicity is often more effective.

Why is "at which occurred" considered awkward?

The phrasing is convoluted and can be easily replaced with more straightforward language. Using simpler phrasing enhances clarity and readability, making your writing more impactful.

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Source & Trust

75%

Authority and reliability

2.1/5

Expert rating

Real-world application tested

Most frequent sentences: