Shallow M6.0 earthquake hits off the coast of Jalisco, Mexico
Image credit: TW/SAM, Google
A strong and shallow earthquake registered by the USGS as M6.0 hit off the coast of Jalisco, Mexico at 23:22 UTC on December 22, 2021. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.0 at a depth of 12 km (7.4 miles).
The epicenter was located about 226 km (140 miles) SW of La Cruz de Loreto and 281 km (175 miles) W of Cihuatlan, Jalisco, Mexico.
There are no people living within 100 km (62 miles).
788 000 people are estimated to have felt weak shaking.
There is no tsunami threat from this earthquake.
The USGS issued a Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.
Overall, the population in this region resides in structures that are a mix of vulnerable and earthquake-resistant construction. The predominant vulnerable building types are mud wall and adobe block with concrete bond beam construction.
Recent earthquakes in this area have caused secondary hazards such as landslides that might have contributed to losses.

Image credit: TW/SAM, Google
Regional seismicity

Teo Blašković founded The Watchers in 2011 and edited it until 2026, covering seismic and volcanic activity, extreme weather, space weather and near-Earth objects. Articles on this page are his archive.
Earlier reporting
Nothing on Watchers was published in the last 24 hours. These are older articles.
- Deep M6.2 earthquake hits Vanuatu 43 km from Port-Olry at 143 km depth, no tsunami threat as USGS issues Green alert
- In 1920, a man out hunting on a farm in Namibia sat down on a strange black rock, scratched it with his knife and saw metal shine underneath. It was Hoba, a 60-ton meteorite, the largest ever found, and there is no crater around it Epicenter
- On December 26, 2004, a 10-year-old British girl on a Phuket beach recognized the frothing sea from a recent geography lesson, and her warning helped clear the beach before the tsunami struck Epicenter
- A volcano in Tonga exploded so loudly in 2022 that people in Alaska, 6,000 miles away, were woken by the booms. Hawaii, at half that distance, heard nothing at all Epicenter

