2018 Swan Islands earthquake
CST | |
Magnitude | 7.5 Mww |
---|---|
Depth | 19.0 km (11.8 mi) |
Epicenter | 17°28′08″N 83°31′12″W / 17.469°N 83.520°W |
Type | Strike-slip |
Areas affected | Honduras Guatemala Belize Cayman Islands |
Max. intensity | MMI VII (Very strong) |
Casualties | None |
On 9 January 2018, at approximately 8:51 p.m.
Great Swan Island off the coast of Honduras.[1] The earthquake was felt across Central America, and rattled windows in Tegucigalpa.[2] The earthquake was also felt in the Cayman Islands.[3]
Tsunami advisories were issued for certain areas by the U.S. Tsunami Warning Center. They were later cancelled after further monitoring.[4] No tsunami was generated since the earthquake was an almost pure strike-slip on a near vertical plane, producing little upward movement of the sea floor that would cause a large displacement of water.[5]
Earthquake
The earthquake occurred at a depth of around 10 kilometres (6.2 mi) on a
shear wave. Propagating at 5 km/s, faster than the shear wave velocity of 4 km/s, the event is classified as a supershear earthquake.[7]
Damage
No major damage was reported. However some homes suffered cracks in walls.[8]
Tsunami
A tsunami was observed with maximum heights of 0.4 m (1.3 ft) in
See also
References
- ^ a b "M 7.5 – 44km E of Great Swan Island, Honduras". United States Geological Survey. 9 January 2018. Retrieved 9 January 2018.
- ^ Palencia, Gustavo (9 January 2018). "Strong quake in Caribbean Sea shakes Honduras, Mexico and Belize, no tsunami". Reuters. Retrieved 9 January 2018.
- ^ "Earthquake sparks tsunami scare". 11 January 2018.
- ^ "Magnitude 7.6 quake hits in Caribbean north of Honduras". Associated Press. 9 January 2018. Retrieved 9 January 2018.
- ^ "2018 Swan Islands earthquake tsunami". Stack Exchange Network. Retrieved 10 January 2018.[unreliable source?]
- .
- S2CID 241109747.[permanent dead link]
- ^ "7.6 Honduras earthquake, a near miss". temblor.net. 10 January 2018.
- ^ a b "Tsunami Event: HONDURAS". ngdc.noaa.gov.
External links
- The International Seismological Centre has a bibliography and/or authoritative data for this event.