Back to map

M4.4 Earthquake

UTC time: 2026-04-21 02:35:47 UTC Local time: —
Magnitude
M4.4
Depth
33.0 km
Source
NNSN

Earthquake location (39.354, 141.685)

Map

About this earthquake

On April 21, 2026 at 02:35 UTC, a magnitude M4.4 earthquake occurred near Earthquake location (39.354, 141.685). The hypocenter lay relatively close to the surface at around 33 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by NNSN and cross-checked across seismological networks.

Details

ID
ddedad9ef87638ada5dc8e521eda27fd0e94bb11
Magnitude
M4.4
Depth
33.0 km
UTC time
2026-04-21 02:35:47 UTC
Local time
—
Country
—
Source
nnsn
Coordinates
39.35400, 141.68500

Depth profile

Depth profile Depth: 33 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33 km
Shallow
33 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Iwatesan Activity reported
    Distance: 81 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Akita-Komagatake
    Distance: 88 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Kurikomayama
    Distance: 89 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Hachimantai
    Distance: 98 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Yakeyama
    Distance: 104 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Naruko
    Distance: 108 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Iwate Hanamaki AirportJapan · HNA · RJSI
    48.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-04

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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)
494
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share