Significant earthquakes of 1935

September 20, 1935 Earthquake: N-Central, Papua New Guinea

September 20, 1935 · M7.8

A magnitude 7.8 earthquake struck N-Central, Papua New Guinea on September 20, 1935 at 01:46:43 UTC, 30 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
September 20, 1935
Time
01:46:43 UTC
Place
N-Central, Papua New Guinea
Magnitude
7.8 (Mw)
Focal depth
30 km (19 mi)
Epicenter
3.824° S, 141.416° E

The toll

The record gives no deaths, injuries or damage for this earthquake.

What the record says

NCEI’s account, from the sources it cites.

1935, September 20, 01:46.6 UTC. New Guinea, 4 S, 142 E, depth normal. (reference #45)

1935, September 20, 01:46:33 UTC. 3.5 S, 141.8 S, depth normal, magnitude 7.9 MS. (reference #2666)

1935, September 20, 01:46:42.75 UTC. 3.92 S, 141.33 E, depth 35 km, 8.1 Mw P&S, 7.9, Ms ABE1, 7.7 Ms P&S,7.6 mB ABE1, 7.9 UK B&D. (reference #9910)

1935, September 20, 01:46:43.45 UTC. 3.824 S, 141.416 E, depth 30 km, 7.84 Mw. (reference #10476)

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 3559.