The United States Geological Survey (USGS) confirmed that a magnitude 3.0 earthquake struck Rio Arriba County on Sunday afternoon. The tremor was recorded at approximately 2:30 p.m. near the small community of Gallina, situated in the mountainous terrain about 40 miles from Los Alamos.
According to the USGS data, the quake originated at a depth of 9.9 kilometers beneath the earth’s surface. While the magnitude was modest, residents in the immediate area reported feeling a brief shaking sensation and hearing a low‑rumble sound typical of shallow seismic events.
Second quake over the weekend
The same day’s activity was not an isolated incident. On Saturday evening, around 7:30 p.m., a second magnitude 3.0 earthquake was recorded near the Texas state line, just north of the New Mexico‑Texas border. That event occurred at a shallower depth of 8.1 kilometers.
Both quakes were captured by the USGS’s regional monitoring network, which continuously tracks seismic activity across the western United States. The agency’s reports indicate that neither event caused any reported injuries, structural damage, or disruptions to utilities.
Understanding the magnitude
On the Richter scale, a magnitude of 3.0 is considered a minor earthquake. Such events are often felt by people close to the epicenter but rarely result in damage. The depth of an earthquake influences how strongly the shaking is experienced on the surface; shallower quakes tend to be felt more intensely than deeper ones of the same magnitude.
New Mexico sits on a complex network of fault lines that can generate low‑to‑moderate magnitude earthquakes. While the state does not experience the large, destructive quakes seen in California, the region’s geology makes occasional tremors a normal part of the seismic landscape.
What residents can do
Local officials encourage residents to remain calm during minor quakes and to follow standard safety guidelines: drop, cover, and hold on until the shaking stops. After the shaking, it is prudent to check for any damage to homes, especially older structures, and to report any hazards to county emergency services.
The Rio Arriba County Emergency Management Office has not issued any alerts or evacuation orders related to these events. Residents who have concerns or notice unusual aftershocks are advised to contact the office directly.
Looking ahead
The USGS will continue to monitor the area for any further seismic activity. While the likelihood of a larger quake in the immediate future is low, the agency’s ongoing surveillance provides timely information to keep the public informed.
For up‑to‑date information on earthquakes in New Mexico, residents can visit the USGS website or follow the Rio Arriba County Emergency Management social‑media channels.
Original reporting: KOAT Albuquerque — read the source article.