Temblor displays a map is with earthquakes and faults. The epicenter of the 20 October temblor was approximately north-northeast of the 17 December temblor. The name of the range is from Spanish "temblor" meaning "tremor", referring to earthquakes. On 30 March, L'Aquila was struck by a magnitude 4.0 temblor, the largest to date. The temblor struck at approximately 7&colon;10 am, and was felt strongly across the Wasatch Front. Tents, food, doctors and medical supplies were delivered to neighborhoods struck by the temblor. The Temblor Formation is a geologic formation in California. Ranges include the Diablo Range, Gabilan Range, Sierra Madre Mountains, and Temblor Range. This is the Temblor Range's southern end. In astrophysics, a spacequake is a temblor in the Earth's magnetic field. The Temblor Range is about from Bakersfield across the valley floor.