1988 Nepal earthquake occurred in 1988 in Nepal

Nepal

Nepal , officially the Federal Democratic Republic of Nepal, is a landlocked sovereign state located in South Asia. It is located in the Himalayas and bordered to the north by the People's Republic of China, and to the south, east, and west by the Republic of India...

 near the Indian

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 border, affecting much of northern Bihar

Bihar

Bihar is a state in eastern India. It is the 12th largest state in terms of geographical size at and 3rd largest by population. Almost 58% of Biharis are below the age of 25, which is the highest proportion in India....

.
The magnitude 6.6 earthquake shook the region on August 21, 1988, killing about 1004 persons (282 in India and 722 in Nepal) and injuring more than 16,000.
The earthquake struck in two installments of 10 seconds and 15 seconds each and left cracks in 50,000 buildings, including Raj Bhavan

Raj Bhavan (Bihar)

Raj Bhavan is the official residence of the Governor of Bihar. It is located in the capital city of Patna, Bihar. The present Governor of Bihar is Devanand Konwar....

 and the old Secretariat Building in Patna

Patna

Paṭnā , is the capital of the Indian state of Bihar and the second largest city in Eastern India . Patna is one of the oldest continuously inhabited places in the world...

, Bihar.