M 4.7 - 140 km S of ‘Ohonua, Tonga
March 31, 2000 at 18:20:32 UTC
Depth: 106.90 km (Intermediate)
Key Takeaway
This light earthquake (M4.7) occurred 25 years ago near 140 km S of ‘Ohonua, Tonga, at a depth of 106.90 km (intermediate).
Light
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 4.7 ms |
| Depth | 106.90 km (Intermediate) |
| Location | -22.6030S, 174.9580W |
| Tsunami Warning | No |
| Significance | 340 / 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 4.7, classified as "Light". Light earthquakes produce noticeable shaking but rarely cause damage.
How deep was this earthquake?
This earthquake occurred at a depth of 106.90 km, classified as "Intermediate". Intermediate-depth earthquakes are felt over a wider area but typically cause less surface damage than shallow events of the same magnitude.
Where exactly did this earthquake occur?
This earthquake occurred near 140 km S of ‘Ohonua, Tonga, at coordinates -22.6030S, 174.9580W. 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 4.7 earthquake is classified as "Light" — these are commonly felt by people indoors but rarely cause any significant damage.
Nearby Recent Earthquakes
Tonga
25 years ago · 71.20 km deep
156 km WSW of Haveluloto, Tonga
25 years ago · 167.60 km deep
61 km NW of Haveluloto, Tonga
25 years ago · 157.20 km deep
155 km W of Haveluloto, Tonga
25 years ago · 180.80 km deep
141 km WNW of Haveluloto, Tonga
25 years ago · 220.70 km deep
271 km W of Haveluloto, Tonga
25 years ago · 450.00 km deep
More Earthquakes in Tonga
93 km E of Hihifo, Tonga
15 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 M4.0-5.0 Earthquakes
16 km SSE of Petropavlovsk-Kamchatsky, Russia
7 hours ago · 79.51 km deep
2 km SSE of Santa María Ixhuatán, Guatemala
8 hours ago · 10.00 km deep
148 km SSE of Vilyuchinsk, Russia
9 hours ago · 35.00 km deep
17 km ESE of Manay, Philippines
10 hours ago · 80.55 km deep
northern Mid-Atlantic Ridge
12 hours ago · 10.00 km deep
61 km SSW of Ashkāsham, Afghanistan
13 hours ago · 101.97 km deep
74 km W of Bandar Abbas, Iran
13 hours ago · 10.00 km deep
50 km NNW of Hirara, Japan
17 hours 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.