If yesterday's quiz left you a little stumped, here are the answers!

1) This is the largest in a chain of islands in the Tyrrhenia sea; and the legendary home of the sorceress Circe.
-- Isola Ponza, Italy 

2) Throughout 2008 this active stratovolcano has been sending plumes of ash and water vapor over a nearby town, a town that was evacuated in 1994 due to danger from the volcano
-- Tavurvur volcano, Papua New Guinea

3) Part of an island chain named by Captain Cook for the day on which he discovered them, forty-nine days after Easter Sunday.
-- Hamilton Island (part of Whitsunday Islands), Australia 

4) This is the crater of an extinct tuff-cone volcano, now used as a memorial cemetery.
 -- Punchbowl Crater, Punchbowl Memorial Cemetery, Hawaii, USA  

Updated Imagery:

    - USA: Anchorage (AK), Santa Rosa (CA), Thousand Oaks (CA), Newberg (OR), Bee Cave (TX), El Paso (TX), part of South Dakota, Manhattan, Long Island
    - Mexico: Tijuana, Juarez, Aguascalientes, Queretaro, Cuernavaca, Puebla, 
    - Canada: Gibsons (BC)
    - Cuba: Havana
    - Haiti: Port-au-Prince
    - Guatemala: Guatemala City
    - Honduras: Tegucigalpa
    - French Guiana: Cayenne
    - Brazil: Brasilia, Sao Paulo
    - Uruguay: Montevideo

Europe, Middle East, & Africa:
   - Italy: Parma, Perugia, Foggia, Lucera, Viste Peschici, Isola Ponza, Isola d'Ischia
   - Hungary: Budapest
   - Romania: Bucharest
   - Ukraine: Kiev, Odessa
   - Bulgaria: Sofia
   - Montenegro: Podorica
   - Cyprus: Nicosia
   - Azerbaijan: Baku
   - Iran: Tabriz, Tehran, Mashhad
   - Turkmenistan: Ashgabat
   - Kuwait: Kuwait City
   - UAE: Abu Dhabi, Dubai
   - Saudi Arabia: Riyadh, Jeddah, Mecca
   - Yemen: Sana
   - Jordon: Amman
   - Morocco: Casablanca
   - Niger: Niamey
   - South Africa: Johannesburg, Pretoria, Cape Town, Durban

  - Pakistan: Islamabad
  - India: Ahmadabad, Chennai, Bangalore
  - China: Chongqing

   - New Zealand: Christchurch
   - Australia: Cairns, Gold Coast, Whitsunday Islands

New 2.5m base imagery for parts of: India, China, and Australia.