According to the map below, showing the location of the Sumatra Earthquake of 2004 and the aftershocks, what can you infer about the aftershocks? Map of the Andaman Island Earthquake of December 26 in 2004. The main shock occurred on December 26. Aftershocks ran through January 10 in 2005. Circles mark the aftershocks. Circles are spread along the coast of the Indian Ocean with a high concentration along the Sunda Trench north of the main shock of the earthquake. Responses The aftershocks only occurred in the ocean. The aftershocks only occurred in the ocean. The aftershocks were mainly spread throughout the Andaman Sea. The aftershocks were mainly spread throughout the Andaman Sea. The aftershocks were concentrated in one area of the Pacific Ocean. The aftershocks were concentrated in one area of the Pacific Ocean. The aftershocks occurred primarily on land. The aftershocks occurred primarily on land.