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Preliminary magnitude-3.1 earthquake rattles southern LA County

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Cite

Khan, Z. (2026, September 17). Preliminary magnitude-3.1 earthquake rattles southern LA County. New York Post. https://nypost.com/2026/09/17/us-news/southern-california-rattled-by-3-1-magnitude-earthquake-near-compton/

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

New York Post · collected 2026-09-17 · by Zain Khan

Quick Summary

A preliminary magnitude-3.1 earthquake hit southern Los Angeles County on Thursday afternoon, with its epicenter near Compton. This follows another 3.2-magnitude quake in the same area overnight on September 6. The tremor was felt in several nearby cities including Long Beach and Downey. Over the weekend, dozens of small earthquakes, mostly under magnitude 2.0, were recorded throughout Southern California, with a significant cluster centered around South Los Angeles.
Written by AI on 2026-09-18, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

On September 7, a preliminary magnitude-3.1 earthquake struck southern Los Angeles County, with its epicenter about 2.5 miles southeast of Compton. This quake followed an earlier magnitude-3.2 tremor on September 6 in the same area. Thursday's event was felt as far away as Long Beach, Downey, and Paramount. Additionally, dozens of small earthquakes occurred over the weekend throughout southern California, with a cluster centered near South Los Angeles, including a magnitude-2.7 quake at Westmont around 2:30 am and another magnitude-2.6 temblor shortly after 4:30 pm in the same area. The USGS reported that offshore quakes struck southeast of Catalina Island early Saturday morning, alongside a separate magnitude-3.4 tremor near San Francisco Bay Area overnight on the same day. This activity underscores ongoing concerns about larger seismic events along notorious faults in Southern California.

Written for “Earthquake Hits Southern LA County” on 2026-11-02, grounded in this article and the 0 other(s) covering the same event.

Story

📰 Earthquake Hits Southern LA County
Environment · 1 article(s) covering the same event.

Compared with similar articles

Nothing to compare against. No article is close enough to this one for the pipeline to have linked or judged the pair.
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
8
sentences that state something as happening or true
Uncertain
38%
3 of 8 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
66/100
New York Post's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Environment
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-09-18 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

New York Post · 15998 article(s) · 35 correction(s) detected
Running correction rate · 35 correction(s)

Who wrote this

Zain Khan
66 article(s) here · 1 carrying a prediction
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🔮 At the center of the fight is a Nov. 3 election that could upend the Beverly Hills Unified School District board, where Democrats Jackie Kruger and Kim Lifschitz are challenging incumbent board President Judy Manouchehri and the conservative majority they oppose.
🔮 Every family deserves the peace of mind that their child will return home safely at the end of each school day.” On Sept. 30, Xavier jumped to his death amid claims he was bullied at school.
🔮 She also remembered a man on top of her, close enough that she could feel his breath on her face.
🔮 The pricey private school has also produced NFL stars, including New York Giants linebacker Kayvon Thibodeaux, Seattle Seahawks running back Zach Charbonnet and Indianapolis Colts wide receiver Michael Pittman Jr., as well as softball standout Maya Brady, niece of NFL legend Tom Brady.
🔮 The state now sends students who might thrive by first going to the community colleges to UC campuses where they are unprepared for a serious academic environment,” Hass told the Post.
Also by Zain Khan
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 66 articles by Zain Khan →

Topics

Compton Downey Long Beach Paramount USGS

Subjects

Compton PERSON · 1× Downey GPE · 1× Long Beach GPE · 1× Paramount ORG · 1× USGS ORG · 1× the U.S. Geological Survey ORG · 1×

Narrative

The localized cluster included a magnitude 2.7 quake near Westmont at around 2:30 a.m., followed by a magnitude 2.6 temblor in the same area shortly after 4:30 p.m. The regional seismic uptick extended beyond the LA Basin.
framing: mixed · carried by 1 article(s) · first seen 2026-09-18
🔮 The relatively small tremor comes as Southern California remains under the shadow of some of the nation’s most notorious earthquake faults — and scientists continue to warn that a much larger quake could eventually strike the region.
2026-09-18 · New York Post
Preliminary magnitude-3.1 earthquake rattles southern LA County · mixed framing

Claims (8 extracted, 3 hedged)

The tremor struck at 1:32 p.m., with its epicenter about 2.5 miles southeast of Compton. asserted
epicenter → strike → Compton
It comes after another 3.2-magnitude quake struck overnight on September 6 near the same city at eight miles below the surface. asserted
quake → come → surface
Thursday’s earthquake was felt as far away as Long Beach, Downey and Paramount, according to the USGS. uncertain
earthquake → feel → USGS
Dozens of small earthquakes rattled Southern California over the weekend, with a concentrated cluster in South Los Angeles. asserted
Dozens → rattle → Angeles
According to the U.S. Geological Survey, more than 60 low-magnitude quakes were recorded throughout Saturday, the vast majority registering under magnitude 2.0. uncertain
majority → accord → magnitude
The localized cluster included a magnitude 2.7 quake near Westmont at around 2:30 a.m., followed by a magnitude 2.6 temblor in the same area shortly after 4:30 p.m. The regional seismic uptick extended beyond the LA Basin. asserted
uptick → include → Basin
Offshore, a pair of earthquakes struck southeast of Catalina Island within minutes of each other just before 4:15 a.m. Overnight Saturday, a separate magnitude 3.4 earthquake shook parts of the San Francisco Bay Area. asserted
earthquake → strike → Area
The relatively small tremor comes as Southern California remains under the shadow of some of the nation’s most notorious earthquake faults — and scientists continue to warn that a much larger quake could eventually strike the region. uncertain
quake → come → region
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