Significant earthquakes of 1935

December 28, 1935 Earthquake: Batu I,padang,sibolga, N Sumatera, Indonesia

December 28, 1935 · M7.9

A magnitude 7.9 earthquake struck Batu I,padang,sibolga, N Sumatera, Indonesia on December 28, 1935 at 02:35:22 UTC, 33 km below the surface. It caused a tsunami.

Map

Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.

The earthquake

Date
December 28, 1935
Time
02:35:22 UTC
Place
Batu I,padang,sibolga, N Sumatera, Indonesia
Magnitude
7.9 (Ms)
Focal depth
33 km (21 mi)
Intensity
8 on the Modified Mercalli scale
Epicenter
0.000° N, 98.250° E
Country
Indonesia

The toll

Injuries
Few (about 1 to 50)
Damage
Moderate (about $1 to $5 million)
Houses destroyed
Some (about 51 to 100)

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

What the record says

NCEI’s account, from the sources it cites.

Reference #414:

December 28, 1935, 02:35:22 UTC, 0 N, 98.25 E, magnitude 7.9 MS. There was a destructive earthquake on the Batu Islands and the adjacent coast of Sumatra Island. On Bodjo Island, cracks appeared in a hill 60 m high, which served

as the base of the lighthouse. In the lighthouse itself, the system of lenses and the rotating mechanism were damaged, and the light dimmed. Some walls of outbuildings cracked. Two people were injured by falling tiles.

At Pulu Tello, several residences collapsed and there were injured. Slight damage was done to the lighthouses on Sigata Island and at Muarasiberut. The islands of Tanahbala and Sigata possibly rose somewhat, since the lowlands, which had previously been inundated during flood tides, dried up.

At Padang and vicinity, trees and the posts of the telephone and power networks, as well as the wires swayed strongly; several intercity telephone lines were cut in the vicinity; the lighting network was damaged at many places. Some walls cracked. Glassware broke in homes and stores. Stucco fell off in sheets. Water splashed over the sides in a basin. Moving automobiles were thrown to the side, and they could only be controlled with great difficulty. At Sibolga, several huts collapsed but there were no victims.

At Muarakuang (Palembang residence) tidal waves were registered in the Ogan River on the 28th, although no earthquake was mentioned.

Reference #1188:

December 28, 1935, 0.3 S, 97.9 E, intensity VII-VIII. Batu Island: North Sumatera - damage on Batu Island. Two mud islets, Bola and Sigata, were thrown up by the shock. At Padang cracks developed in walls. Trees and telephone poles swayed. A few buildings collapsed at Sibolga.

Reference #1186:

December 28, 1935, 02:35:22 UTC, 0.0 S, 98.25 E, magnitude 8.1 MS. Port Swettenham: The tremor, described as slight, occurred at 10 a.m. and was distinctly felt by many people. It gave rise to giddiness. Window shutters were rocked to and fro. Many people got out of the buildings. The tremor lasted not more than 15 seconds. Singapore: A slight earth tremor shook several buildings in Robinson Road, Singapore only, at about 10 a.m. A company manager said he and his staff had a strange feeling in the head. The building creaked and shook and the electric fans behaved queerly. His chair shook a little under him.

Reference #88:

December 28, 1935, 02:35:22 UTC, 0 N, 98.3 E, shallow depth, magnitude 8.1 MS.

Reference #130:

December 28, 1935, 02:35:22 UTC, 9 N, 98.25 E, magnitude 7.9 MS.

Reference #1002:

December 28, 1935, off W. Sumatra, magnitude 8.1 MS.

Reference #1212:

December 28, 1935, Sumatra, 0 N, 98.3 E, magnitude 7.9 MS.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1935The 1900sEvery quake the USGS located in 1935Recent earthquakes near hereThis day in weather history

Sources

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 3567.