M 4.1 - 36 km WNW of Atka, Alaska
May 22, 2018 at 07:50:29 UTC
Depth: 212.01 km (Intermediate)
Key Takeaway
This light earthquake (M4.1) occurred 7 years ago near 36 km WNW of Atka, Alaska, at a depth of 212.01 km (intermediate).
Light
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 4.1 mb |
| Depth | 212.01 km (Intermediate) |
| Location | 52.3497N, 174.6679W |
| Tsunami Warning | No |
| Significance | 259 / 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 4.1, classified as "Light". Light earthquakes produce noticeable shaking but rarely cause damage.
How deep was this earthquake?
This earthquake occurred at a depth of 212.01 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 36 km WNW of Atka, Alaska, at coordinates 52.3497N, 174.6679W. 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 4.1 earthquake is classified as "Light" — these are commonly felt by people indoors but rarely cause any significant damage.
Nearby Recent Earthquakes
171 km SW of Nikolski, Alaska
7 years ago · 30.77 km deep
176 km SW of Nikolski, Alaska
7 years ago · 10.00 km deep
172 km ESE of Atka, Alaska
7 years ago · 47.33 km deep
169 km E of Atka, Alaska
7 years ago · 10.00 km deep
168 km E of Atka, Alaska
7 years ago · 10.00 km deep
86 km SSE of Atka, Alaska
7 years ago · 10.00 km deep
73 km SSE of Atka, Alaska
7 years ago · 41.02 km deep
30 km E of Atka, Alaska
7 years ago · 189.91 km deep
75 km NE of Atka, Alaska
7 years ago · 182.29 km deep
8 km SE of Atka, Alaska
7 years ago · 222.24 km deep
More Earthquakes in US
228 km ESE of Attu Station, Alaska
23 hours ago · 9.34 km deep
229 km ESE of Attu Station, Alaska
1 day ago · 0.80 km deep
33 km S of Funny River, Alaska
1 day ago · 51.50 km deep
228 km ESE of Attu Station, Alaska
1 day ago · 10.00 km deep
239 km ESE of Attu Station, Alaska
1 day ago · 5.71 km deep
96 km S of Nikolski, Alaska
2 days ago · 17.00 km deep
231 km ESE of Attu Station, Alaska
2 days ago · 10.00 km deep
231 km ESE of Attu Station, Alaska
2 days ago · 10.00 km deep
More M4.0-5.0 Earthquakes
21 km ENE of Sallique, Peru
4 hours ago · 41.95 km deep
16 km SSE of Petropavlovsk-Kamchatsky, Russia
12 hours ago · 79.51 km deep
2 km SSE of Santa María Ixhuatán, Guatemala
13 hours ago · 10.00 km deep
148 km SSE of Vilyuchinsk, Russia
13 hours ago · 35.00 km deep
17 km ESE of Manay, Philippines
15 hours ago · 80.55 km deep
northern Mid-Atlantic Ridge
17 hours ago · 10.00 km deep
61 km SSW of Ashkāsham, Afghanistan
17 hours ago · 101.97 km deep
74 km W of Bandar Abbas, Iran
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.