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-73.6 6.0 M w: IV First shock in eastern North America with surface faulting 1988-11-25: Saguenay 48.12 -71.18 5.9 M w: VII 1985-12-23: The Nahanni region, Northwest Territories: 62.22 -124.24 6.9 M w: The strongest of a sequence of major earthquakes 1982-01-09 Miramichi, NB 47.00 -66.60 5.7 Doublet (two days apart) [19] 1979-02-28 Southern ...
The U.S. Geological Survey said the earthquake struck at 9:33 a.m. local time (12:33 p.m. GMT), and its epicenter was 42 kilometers (26 miles) southwest of Huasco, a city in Chile’s Atacama region.
The 2003 San Simeon earthquake struck at 11:15 PST (19:15 UTC) on December 22 on the Central Coast of California, about 7 miles (11 km) northeast of San Simeon. Probably centered in the Oceanic fault zone within the Santa Lucia Mountains , it was caused by thrust faulting and the rupture propagated southeast from the hypocenter for 12 miles (19 ...
The earthquakes are caused by slip along the thrust fault that forms the contact between the two plates. These interplate earthquakes are the planet's most powerful, with moment magnitudes (M w) that can exceed 9.0. [1] [2] Since 1900, all earthquakes of magnitude 9.0 or greater have been megathrust earthquakes. [3]
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) initially reported a magnitude 6.5 earthquake striking at 8:03 am Philippine Standard Time (PST) in Cataingan, Masbate. [9] The report was later revised to a magnitude 6.6 earthquake. The earthquake was also felt in several parts of Luzon and the Visayas. [6]
On 22 January 1988, a sequence of destructive earthquakes measuring 6.2, 6.3, and 6.6 struck southwest of Tennant Creek, Australia which was felt as far north as Darwin and in other regions of the country. The largest event of the sequence was the largest earthquake ever recorded in mainland Australia since records began in 1800. [6]
A magnitude 6.6 earthquake struck Haida Gwaii, Canada on January 5. [3] A magnitude 6.4 earthquake struck Haida Gwaii, Canada on January 5. [4] A magnitude 6.2 earthquake struck Greece on January 6. [5] A magnitude 5.9 earthquake struck Papua, Indonesia on January 7. Six people were injured and 22 homes were damaged. [6]
Seismogram of the earthquake. The earthquake measured 6.4 on the moment magnitude scale, and had a maximum Mercalli intensity of VIII (Severe).It came exactly a year after a 6.2 magnitude earthquake struck onshore in the Cape Mendocino area on December 20, 2021, [7] causing only minor damage. [8]