Significant earthquakes of 1934

July 21, 1934 Earthquake: Solomon Islands, New Caledonia

July 21, 1934 · M7.1

A magnitude 7.1 earthquake struck Solomon Islands, New Caledonia on July 21, 1934 at 06:18:23 UTC, 35 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
July 21, 1934
Time
06:18:23 UTC
Place
Solomon Islands, New Caledonia
Magnitude
7.1 (Mw)
Focal depth
35 km (22 mi)
Epicenter
11.139° S, 165.503° 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.

Reference #414:

1934, July 21, 06:18:18 UTC. During a new strong earthquake on the New Hebrides Islands, another tsunami was generated and was observed on New Caledonia Island. Stronger, though at the same time briefer oscillations than on the 19th, occurred at Touho on the 21st between 20:00 and 21:00. Strong floods and ebbs were recorded in Thio Bay between 20:00 and 21:00. The oscillations recurred at intervals of about 15 minutes. The rise of water each time reached the level of high high tides. In Magenta Bay, near Noumea on the south coast, on the 22nd during an ebb tide, the sea rose, and then retreated 3-4 m, only to rise again in the same way. These phenomena lasted about 45 minutes and recurred almost every 10 minutes, and the sea quickly retreated each time, right out to the ebb tide line. No special sounds or roar was noticed. The weather, as on July 19, was good. Gutenberg, Richter (1954): 21.VII; O6h18m18s; 11 S., 165.75 E.; M=7.3.

Reference #88:

1934, July 21, 06:18:18 UTC. 11 S, 165.8 E, shallow depth, magnitude 7.0 MS.

Reference #130:

1934, July 21, 06:18:18 UTC. 11 S, 165.75 E, magnitude 7.3 MS.

Reference #9910:

1934, July 21, 06:18:23.29 UTC, 11.139 S, 165.503 E, depth 35 km, 7.1 Mw P&S, 7.2 Ms ABE1, 7 Ms P&S, 7.1 mB ABE1, 7.3 UK B&D.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1934The 1900sEvery quake the USGS located in 1934Recent 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 6101.