PhiVolcs Tsunami Information July 29, 2021: Sea-Level Change Monitoring

MANILA, Philippines – The Philippine Institute of Volcanology and Seismology (PHIVOLCS) has issued a Tsunami Information No. 1 captioned as “Sea-Level Change Monitoring” on July 29, 2021 around 4:00 PM.

This is after a magnitude 8.1 earthquake has struck 60 Miles Se of Chignik, Alaska on July 29, 2021 at 2:15 PM.

PhiVolcs said that the approximate distance of the event from Manila, Philippines is 8,117 kilometers.

To quote from the official advisory from PhiVolcs:


Tsunami Information No.1
Date and Time: 29 Jul 2021 – 02:15 PM
Magnitude = 8.1
Depth = 018 kilometers
Location = 55.5°N,157.9°W – 60 Miles Se Of Chignik, Alaska

As per evaluation of PhiVolcs, an earthquake of this magnitude has the potential of destructive tsunami and can strike coastlines in the region near the epicenter within minutes to hours.


PhiVolcs said that as of the moment, no evacuation is in place but coastal communities of the following provinces are advised to wait and watch.

  • Batanes Group of Islands
  • Albay
  • Surigao del Sur
  • Cagayan
  • Catanduanes
  • Davao Oriental
  • Ilocos Norte
  • Sorsogon
  • Davao De Oro
  • Isabela
  • Eastern Samar
  • Davao del Norte
  • Quezon
  • Northern Samar
  • Davao del Sur
  • Aurora
  • Leyte
  • Davao Occidental
  • Camarines Norte
  • Southern Leyte
  • Camarines Sur
  • Surigao del Norte

Contact PhiVolcs

Should you have concerns related to this Tsunami Information, you may also reach the Philippine Institute of Volcanology and Seismology (Phivolcs) at the following contact details:

Telephone Number: Trunkline: +632 426-1468
Facebook: @PHIVOLCS
Twitter: @Philvolcs_dost


Do you have clarifications/ comments about this article? Please feel free to drop one below.

3 comments… add one
  • Nomad D wanderer Jul 29, 2021 @ 16:40

    Signs are showing…we need to pray and repent.
    🙏 🙏 🙏

  • Ami Jul 29, 2021 @ 18:51

    Stay safe everyone, pray!

  • [email protected] Jul 29, 2021 @ 22:22

    Let us all pray, Keep us all safe and sound.🙏🙏🙏🙏

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