M 4.4 earthquake – Tonga
·
Local time: May 11, 2023 · 09:39 (UTC+12)
LightIntermediate · 183 km
Reviewed by a seismologist
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- Magnitude
- 4.4body-wave magnitude (mb)
- Depth
- 183 kmIntermediate earthquake
- Epicenter
- -15.692, -174.398330 km from Mata-Utu
- Energy released
- 60 tons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 7M2.5+ within 30 km, up to 60 days
- Significance
- 298USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on May 10, 2023.
How strong was it?
Light earthquake. It released 60 tons of TNT, 7.9 times less than a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
7 earthquakes of M2.5+ within 30 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900, around Tonga.
- 8.1 2009 Samoa Earthquake Sep 29, 2009
- 8.0 The 1917 Samoa-Tonga Earthquake Jun 26, 1917
- 7.8 146 km ESE of Hihifo, Tonga Dec 26, 1975
- 7.7 133 km NE of Hihifo, Tonga Sep 1, 1981
- 7.6 82 km WNW of Hihifo, Tonga May 10, 2023
- 7.6 199 km ESE of Hihifo, Tonga Apr 2, 1977
- 7.4 88 km NNE of Hihifo, Tonga Apr 7, 1995
- 7.2 117 km SSW of Hihifo, Tonga Jan 8, 2000
In the week before
Earthquakes within 30 km in the 7 days before this one: possible foreshocks.
- 7.6 82 km WNW of Hihifo, Tonga May 10, 2023
- 4.8 48 km WNW of Hihifo, Tonga May 10, 2023
- 4.7 80 km WNW of Hihifo, Tonga May 10, 2023
- 5.0 74 km WNW of Hihifo, Tonga May 10, 2023
- 4.7 98 km WNW of Hihifo, Tonga May 10, 2023
- 4.4 Tonga May 10, 2023
- 4.4 72 km WNW of Hihifo, Tonga May 10, 2023
- 4.6 94 km WNW of Hihifo, Tonga May 10, 2023