Moderate magnitude 4.3 earthquake at 22 km depth
1 Jun 22:15 UTC: First to report: PHIVOLCS after 16 minutes.
1 Jun 22:55: Magnitude recalculated from 4.2 to 4.3. Hypocenter depth recalculated from 29.0 to 23.0 km (from 18 to 14.3 mi). Epicenter location corrected by 2.2 km (1.4 mi) towards N.
2 Jun 07:10: Hypocenter depth recalculated from 23.0 to 22.0 km (from 14.3 to 13.7 mi). Epicenter location corrected by 1.6 km (1 mi) towards NW.
Update Tue, 1 Jun 2021, 22:21Moderate magnitude 4.2 earthquake 48 km southeast of Tandag City, Philippines
4.2 quake 2 Jun 5:59 am (GMT +8)
A shallow magnitude 4.2 earthquake was reported early morning near Tandag City, Surigao del Sur, Caraga, Philippines.
According to the Philippine Institute of Volcanology and Seismology (PHIVOLCS), the quake hit on Wednesday 2 June 2021 at 5:59 am local time at a shallow depth of 29 km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.2 as well.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Marihatag (pop. 3,800) located 20 km from the epicenter, and Aras-asan (pop. 5,100) 24 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Lianga (pop. 13,600) located 43 km from the epicenter, Tandag City (pop. 29,000) 48 km away, Bislig City (pop. 67,600) 61 km away, San Francisco (pop. 18,500) 62 km away, Bah-Bah (pop. 28,600) 63 km away, Bayugan (pop. 40,600) 77 km away, and Butuan (pop. 309,700) 104 km away.
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