M 4.0 - 30 km WSW of Sámara, Costa Rica
November 7, 2001 at 06:32:09 UTC
Depth: 33.00 km (Shallow)
Key Takeaway
This light earthquake (M4.0) occurred 24 years ago near 30 km WSW of Sámara, Costa Rica, at a depth of 33.00 km (shallow).
Light
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 4.0 mb |
| Depth | 33.00 km (Shallow) |
| Location | 9.7820N, 85.7900W |
| Tsunami Warning | No |
| Significance | 246 / 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, classified as "Light". Light earthquakes produce noticeable shaking but rarely cause damage.
How deep was this earthquake?
This earthquake occurred at a depth of 33.00 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 30 km WSW of Sámara, Costa Rica, at coordinates 9.7820N, 85.7900W. 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 earthquake is classified as "Light" — these are commonly felt by people indoors but rarely cause any significant damage.
Nearby Recent Earthquakes
1 km WSW of Curridabat, Costa Rica
24 years ago · 74.60 km deep
19 km W of Sardinal, Costa Rica
24 years ago · 42.10 km deep
78 km WSW of Santa Cruz, Costa Rica
24 years ago · 33.00 km deep
69 km WSW of Sardinal, Costa Rica
24 years ago · 14.50 km deep
45 km WNW of Sardinal, Costa Rica
24 years ago · 33.00 km deep
50 km WNW of Sardinal, Costa Rica
24 years ago · 33.00 km deep
83 km W of Sardinal, Costa Rica
24 years ago · 10.00 km deep
2 km NW of Rivas, Nicaragua
24 years ago · 33.00 km deep
86 km SSW of Masachapa, Nicaragua
24 years ago · 33.00 km deep
4 km SE of La Conquista, Nicaragua
24 years ago · 101.30 km deep
More Earthquakes in Costa Rica
16 km NNW of Limón, Costa Rica
1 month ago · 10.00 km deep
14 km ESE of Puerto Cortés, Costa Rica
1 month ago · 10.00 km deep
2 km WSW of Colima, Costa Rica
1 month ago · 10.00 km deep
60 km S of Quepos, Costa Rica
1 month ago · 10.00 km deep
25 km SSW of Puerto Cortés, Costa Rica
2 months ago · 36.54 km deep
47 km WSW of Puerto Cortés, Costa Rica
3 months ago · 10.00 km deep
62 km WSW of Puerto Cortés, Costa Rica
3 months ago · 10.00 km deep
63 km WSW of Puerto Cortés, Costa Rica
3 months ago · 11.00 km deep
More M4.0-5.0 Earthquakes
21 km ENE of Sallique, Peru
2 hours ago · 41.95 km deep
16 km SSE of Petropavlovsk-Kamchatsky, Russia
10 hours ago · 79.51 km deep
2 km SSE of Santa María Ixhuatán, Guatemala
11 hours ago · 10.00 km deep
148 km SSE of Vilyuchinsk, Russia
11 hours ago · 35.00 km deep
17 km ESE of Manay, Philippines
13 hours ago · 80.55 km deep
northern Mid-Atlantic Ridge
15 hours ago · 10.00 km deep
61 km SSW of Ashkāsham, Afghanistan
15 hours ago · 101.97 km deep
74 km W of Bandar Abbas, Iran
16 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.