M 5.6 - 93 km NNE of Hihifo, Tonga
August 12, 2025 at 13:41:28 UTC
Depth: 36.00 km (Shallow)
Key Takeaway
This moderate earthquake (M5.6) occurred 6 months ago near 93 km NNE of Hihifo, Tonga, at a depth of 36.00 km (shallow). It was felt by 4 people.
Moderate
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 5.6 mww |
| Depth | 36.00 km (Shallow) |
| Location | -15.2362S, 173.3285W |
| Community Intensity | II (Weak) |
| Mercalli Intensity | III (Weak) |
| Felt Reports (DYFI) | 4 people |
| Alert Level (PAGER) | Green — No fatalities or damage expected |
| Tsunami Warning | No |
| Significance | 484 / 3000 |
| Status | Reviewed |
| Network | us |
| USGS Event Page | View on USGS → |
Frequently Asked Questions
What was the magnitude of this earthquake?
This earthquake had a magnitude of 5.6, classified as "Moderate". Moderate earthquakes can cause damage to poorly constructed buildings.
How deep was this earthquake?
This earthquake occurred at a depth of 36.00 km, classified as "Shallow". Shallow earthquakes tend to cause more damage at the surface because the energy has less distance to travel before reaching buildings and infrastructure.
Where exactly did this earthquake occur?
This earthquake occurred near 93 km NNE of Hihifo, Tonga, at coordinates -15.2362S, 173.3285W. The location is determined by analyzing seismic wave arrival times at multiple monitoring stations.
Were there aftershocks associated with this event?
Aftershock data for this specific event can be explored by viewing nearby recent earthquakes listed below on this page. Aftershocks are smaller earthquakes that occur in the same area following a larger event, and they can continue for days, weeks, or even months depending on the original earthquake's magnitude.
What does the magnitude of this earthquake mean in practical terms?
A magnitude 5.6 earthquake is classified as "Moderate" — these are widely felt and can cause damage to vulnerable structures, though well-built buildings typically withstand them.
Nearby Recent Earthquakes
255 km SE of Hihifo, Tonga
6 months ago · 10.00 km deep
221 km SE of Hihifo, Tonga
6 months ago · 10.00 km deep
176 km E of Hihifo, Tonga
6 months ago · 10.00 km deep
139 km NNE of Neiafu, Tonga
7 months ago · 38.47 km deep
104 km SSE of Hihifo, Tonga
7 months ago · 39.87 km deep
124 km SSW of Hihifo, Tonga
6 months ago · 124.34 km deep
156 km NNW of Neiafu, Tonga
7 months ago · 155.52 km deep
93 km SSW of Hihifo, Tonga
6 months ago · 130.15 km deep
40 km E of Hihifo, Tonga
6 months ago · 10.00 km deep
153 km SW of Hihifo, Tonga
6 months ago · 124.34 km deep
More Earthquakes in Tonga
93 km E of Hihifo, Tonga
18 hours ago · 10.00 km deep
113 km SE of Hihifo, Tonga
6 days ago · 35.00 km deep
268 km WNW of Houma, Tonga
1 week ago · 546.02 km deep
146 km SE of Neiafu, Tonga
1 week ago · 10.00 km deep
120 km WNW of Houma, Tonga
1 week ago · 231.87 km deep
149 km ESE of Pangai, Tonga
1 week ago · 10.00 km deep
267 km WNW of Houma, Tonga
1 week ago · 393.61 km deep
183 km SW of Houma, Tonga
1 week ago · 174.56 km deep
More M5.0-6.0 Earthquakes
20 km ESE of Farkhār, Afghanistan
42 minutes ago · 197.06 km deep
119 km E of Caucete, Argentina
1 hour ago · 146.38 km deep
4 km E of Hukay, Philippines
3 hours ago · 161.17 km deep
93 km E of Hihifo, Tonga
18 hours ago · 10.00 km deep
71 km SSE of Shihezi, China
21 hours ago · 10.00 km deep
228 km ESE of Attu Station, Alaska
21 hours ago · 9.34 km deep
57 km ESE of Ōfunato, Japan
22 hours ago · 60.39 km deep
69 km E of Tobelo, Indonesia
1 day ago · 10.00 km deep
Data from the USGS Earthquake Hazards Program (ComCat). QuakeScan is not affiliated with the USGS. Event details may be updated as new data becomes available.