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A swarm of earthquakes continues to rattle Yellowstone National Park.

As of 7:30 a.m. Wednesday, about 15 more earthquakes were recorded in the park, adding to the 469 that shook the park between Sunday and Tuesday afternoon, according to the University of Utah Seismograph Station's Web site. The swarm, which is located about 10 miles northwest of Old Faithful and nine miles southeast of West Yellowstone, began at 1 p.m. Sunday, Jan. 17, according to a news release issued Tuesday.

Yet another earthquake has rattled Yellowstone National Park, with the University of Utah Seismograph Stations reporting that a magnitude 3.7 quake that hit the area at around 2:30 on Tuesday afternoon.

The temblor is the latest in an ongoing swarm of earthquakes that have hit outside of West Yellowstone over the past three days.

Officials report that the latest swarm has recorded 469 earthquakes registering between 0.5 and 3.7 on the Richter scale.

Several people have reported feeling the quakes, and the University of Utah adds that these kind of earthquake swarms of this nature are relatively common in Yellowstone National Park.

Information on earthquake can be viewed at the University of Utah Seismograph Stations: http://www.seis.utah.edu/.

Seismographic recordings from Yellowstone seismograph stations can be viewed online at: http://www.quake.utah.edu/helicorder/yell_webi.htm.

Persons who felt any of the earthquakes are encouraged to fill out a survey form on the USGS "Did You Feel It?" web site: http://earthquake.usgs.gov/eqcenter/dyfi/.

(From Tuesday, Jan. 19, 2010)

Over the past two days, 469 earthquakes have rattled Yellowstone National Park.

The swarm, which is located about 10 miles northwest of Old Faithful and nine miles southeast of West Yellowstone, began at 1 p.m. Sunday, Jan. 17, according to a news release issued Tuesday.

The largest earthquake in the swarm, as of 3 p.m. Tuesday was a magnitude 3.5 event that occurred at 2:31 p.m. Tuesday. The swarm has included five events of magnitude larger than 3, with 34 events of magnitude 2 to 3, and 430 events of magnitude less than 2, according to the news release prepared by the Yellowstone Volcano Observatory partners of the U.S. Geol. Survey, the University of Utah, and the National Park Service.

There have been multiple reports of ground shaking from observations inside the park and in neighboring communities in Montana and Idaho for some of the larger events.

"Earthquake swarms of this nature are relatively common in Yellowstone National Park," the news release states. "At this time the Yellowstone Volcano Observatory does not consider the swarm to be unusual and the earthquakes are likely related to tectonic fault sources. Also there is no indication of premonitory volcanic or hydrothermal activity, but ongoing analyses will evaluate these different sources.

Information on the earthquake can be viewed at the University of Utah Seismograph Stations.