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M4.3 Earthquake near Mariana Islands region

UTC time: 2026-10-16 03:57:21 UTC Local time: —
Magnitude
M4.3
Depth
343.1 km
Source
USGS

Mariana Islands region

Map

About this earthquake

On October 16, 2026 at 03:57 UTC, a magnitude M4.3 earthquake occurred near Mariana Islands region. The deep hypocenter at about 343 km dampens the shaking felt at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS.

Details

ID
8978010b588419c12ff76877dea8d75dfed92612
Magnitude
M4.3
Depth
343.1 km
UTC time
2026-10-16 03:57:21 UTC
Local time
—
Country
—
Source
usgs
Coordinates
21.54480, 142.98760
Temperature
28.8°C

Depth profile

Depth profile Depth: 343.1 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 343.1 km
Deep
343.1 km
Why depth matters

Deep quakes are felt over very large areas but rarely cause surface damage.

Depth classes per USGS

Volcanoes nearby

  • Fukujin
    Distance: 66 km ·Stratovolcano ·Elevation: -217 m ·Last eruption: 1974 ·United States
  • Kasuga 2
    Distance: 67 km ·Stratovolcano ·Elevation: -274 m ·United States
  • Kasuga 1
    Distance: 79 km ·Stratovolcano ·Elevation: -598 m ·Last eruption: 1959 ·United States
  • NW Eifuku
    Distance: 109 km ·Stratovolcano ·Elevation: -1'535 m ·United States
  • Daikoku
    Distance: 127 km ·Stratovolcano ·Elevation: -323 m ·United States
  • Nikko
    Distance: 184 km ·Stratovolcano ·Elevation: -392 m ·Japan

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
513
Country (24h)
—
—
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