United States – Atascosa County

This page summarizes earthquakes in Atascosa County (United States). The most recently recorded event was a magnitude M1.7 earthquake near Atascosa County on 2026-06-08 19:41:26 UTC. All event lists and map markers are limited to the last 30 days.

About Atascosa County

Atascosa County is a county located in the U.S. state of Texas. It is in South Texas and its county seat is Jourdanton.

Earthquakes (last 30 days)
8
Max magnitude (last 30 days)
M2.1
Avg magnitude (last 30 days)
M1.85
Avg depth (last 30 days)
6 km
Seismic activity in 2026

In 2026, Atascosa County recorded 38 earthquakes within United States. The average magnitude was M1.96. The strongest event reached M3.4.

By event count in 2026, this region ranks #55 within United States.

Located on the North America Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Atascosa County (last 30 days)