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Navigating the map

• Click and drag or use arrow keys to pan
• Mouse scroll forward or use + key to zoom in
• Mouse scroll backward or use - key to zoom out

Identifying features
You have several options to identify features within visible layers:

• Single-click on the map
• Or, choose another tool from the "Identify" menu:
• Click on to draw a rectangle
• Click on to draw a polygon
• Click on to enter coordinates for a bounding box

A popup will appear with a list of the selected features. Mouse-over the list to highlight features on the map. Click the magnifying glass icon to zoom to that feature. Click on a row to view attributes for that feature.

Searching for data
Each layer (Tsunami Events, Tsunami Observations, Significant Earthquakes, Significant Volcanic Events, and DART Stations) has its own search dialog. Click on a "Search" button to choose various criteria that will be used to narrow down the results shown on the map. After clicking "OK", a filter will be applied to the appropriate map layers, displaying only data of interest. Reset: clears the current filter for that layer.

Selected Significant Tsunami Events
Select a tsunami event from the list to apply a filter to the Tsunami Events and Tsunami Observations layers (showing only the current event), and zoom to the results. If available, the Tsunami Travel Time contours and the RIFT Tsunami Energy will also be displayed.

Tsunami Events with Tsunami Observations
After clicking on a tsunami event in the popup, a button will appear "Show this Tsunami Event and Observations". Clicking on this button will apply a filter to the Tsunami Events and Tsunami Observations layers (showing only the current event), and will zoom to the results.

After clicking on a tsunami observation in the popup, a button will appear "Show Associated Tsunami Event". Clicking on this button will apply a filter to the Tsunami Events layer (showing the current event), and will zoom the map so the current event and observation are showing.