Taiwan earthquakes

M3.9 earthquake 66 km E of Hengchun, Taiwan

A magnitude 3.9 earthquake struck 66 km E of Hengchun, Taiwan on Wed, Jul 26, 1978, 5:58 PM GMT+8 (09:58 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.4 83 km ENE of Hengchun, Taiwan. This one was a foreshock.

Hengchun forecastMore in Taiwan

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.9 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1978-07-26 09:58:20 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
22.119° N, 121.374° E
Region
Taiwan
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED
Stations used
9

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 4.564 km ESE of Hengchun, Taiwan · 17602 days ago · 10 km deep · 28 km away
  2. 4.3100 km E of Hengchun, Taiwan · 17597 days ago · 10 km deep · 35 km away
  3. 4.773 km ENE of Hengchun, Taiwan · 17591 days ago · 15 km deep · 8 km away
  4. 4.588 km NE of Hengchun, Taiwan · 17590 days ago · 33 km deep · 51 km away
  5. 5.483 km ENE of Hengchun, Taiwan · 17585 days ago · 19 km deep · 19 km away
  6. 5.279 km E of Hengchun, Taiwan · 17572 days ago · 10 km deep · 17 km away
  7. 4.294 km ENE of Hengchun, Taiwan · 17566 days ago · 10 km deep · 32 km away
  8. 3.767 km E of Hengchun, Taiwan · 17548 days ago · 10 km deep · 16 km away

Before

  1. 4.166 km ENE of Hengchun, Taiwan · 17603 days ago · 10 km deep · 22 km away
  2. 4.759 km ENE of Hengchun, Taiwan · 17603 days ago · 24 km deep · 11 km away
  3. 4.464 km ESE of Hengchun, Taiwan · 17603 days ago · 32 km deep · 34 km away
  4. 5.276 km ENE of Hengchun, Taiwan · 17603 days ago · 28 km deep · 25 km away
  5. 4.570 km E of Hengchun, Taiwan · 17604 days ago · 10 km deep · 7 km away
  6. 4.579 km NE of Hengchun, Taiwan · 17604 days ago · 11 km deep · 47 km away
  7. 4.570 km E of Hengchun, Taiwan · 17604 days ago · 33 km deep · 25 km away
  8. 5.4Taiwan region · 17604 days ago · 18 km deep · 7 km away
  9. 4.3Taiwan region · 17604 days ago · 33 km deep · 53 km away
  10. 4.045 km ESE of Hengchun, Taiwan · 17604 days ago · 33 km deep · 38 km away
  11. 5.589 km ENE of Hengchun, Taiwan · 17604 days ago · 30 km deep · 25 km away
  12. 5.274 km E of Hengchun, Taiwan · 17605 days ago · 33 km deep · 21 km away
  13. 4.4Taiwan region · 17605 days ago · 24 km deep · 22 km away
  14. 4.1112 km ESE of Hengchun, Taiwan · 17605 days ago · 33 km deep · 60 km away
  15. 4.3105 km E of Hengchun, Taiwan · 17605 days ago · 33 km deep · 49 km away
  16. 4.6121 km N of Basco, Philippines · 17605 days ago · 33 km deep · 80 km away
  17. 5.179 km E of Hengchun, Taiwan · 17605 days ago · 17 km deep · 24 km away
  18. 4.874 km E of Hengchun, Taiwan · 17605 days ago · 33 km deep · 18 km away
  19. 5.075 km ENE of Hengchun, Taiwan · 17605 days ago · 26 km deep · 19 km away
  20. 5.167 km ENE of Hengchun, Taiwan · 17605 days ago · 19 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000vsv. Read Sun, Oct 4, 2026, 8:09 PM UTC.