Scientists from the U.S. Geological Survey (USGS) are studying the volcano's past eruptive behavior to better anticipate and prepare for future eruptive activity. Mount Hood's last major eruption occurred in the 1790's not long before Lewis and Clark's expedition to the Pacific Northwest.
Sending a text to all of the contacts on your iPhone is a great way to get a message out to a lot of people quickly. Send a text message to all contacts on an iPhone with help from an experienced mobile professional in this free video clip. Expert: Rachel Youens.
To learn more about the effects of blocking a contact, see this article. On iPhone, there are a few ways to block a contact: 1  To block a contact that is not stored in your phone's address book, go to the chat for that person, tap on the number for that person at the top of the chat, and then tap Block Contact. To block a contact that is stored in your phone's address book, go to WhatsApp Settings Account Privacy Blocked, then tap the Add New button. 2  When you receive an initial message from a contact that is not stored in your phone, and you want to block this contact, tap the Block button.