M 5.4 - 8 km WNW of Iwaki, Japan
September 19, 2013 at 17:25:06 UTC
Depth: 8.00 km (Shallow)
Key Takeaway
This moderate earthquake (M5.4) occurred 12 years ago near 8 km WNW of Iwaki, Japan, at a depth of 8.00 km (shallow). It was felt by 65 people.
Moderate
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 5.4 mwb |
| Depth | 8.00 km (Shallow) |
| Location | 37.0674N, 140.7879E |
| Community Intensity | VII (Very Strong) |
| Mercalli Intensity | VII (Very Strong) |
| Felt Reports (DYFI) | 65 people |
| Alert Level (PAGER) | Green — No fatalities or damage expected |
| Tsunami Warning | No |
| Significance | 495 / 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 5.4, classified as "Moderate". Moderate earthquakes can cause damage to poorly constructed buildings.
How deep was this earthquake?
This earthquake occurred at a depth of 8.00 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 8 km WNW of Iwaki, Japan, at coordinates 37.0674N, 140.7879E. 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 5.4 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
70 km SW of Tenn?, Japan
12 years ago · 61.16 km deep
13 km W of Akita, Japan
12 years ago · 158.94 km deep
11 km SSW of Shiozawa, Japan
12 years ago · 104.30 km deep
13 km W of Kitakata, Japan
12 years ago · 30.45 km deep
25 km SE of ?funato, Japan
12 years ago · 65.06 km deep
38 km ENE of Ishinomaki, Japan
12 years ago · 72.97 km deep
eastern Honshu, Japan
12 years ago · 49.67 km deep
45 km ESE of Ishinomaki, Japan
12 years ago · 59.14 km deep
63 km E of Ishinomaki, Japan
12 years ago · 49.55 km deep
47 km ESE of Ishinomaki, Japan
12 years ago · 62.09 km deep
More Earthquakes in Japan
50 km NNW of Hirara, Japan
1 day ago · 10.00 km deep
57 km ESE of Ōfunato, Japan
1 day ago · 60.39 km deep
28 km NNE of Hirara, Japan
2 days ago · 10.00 km deep
34 km NW of Hirara, Japan
2 days ago · 46.20 km deep
53 km NW of Hirara, Japan
2 days ago · 10.16 km deep
123 km E of Miyako, Japan
4 days ago · 35.00 km deep
67 km NW of Hirara, Japan
5 days ago · 10.00 km deep
57 km NNW of Hirara, Japan
5 days ago · 10.00 km deep
More M5.0-6.0 Earthquakes
2 km SSE of Rodotópi, Greece
1 hour ago · 10.00 km deep
20 km ESE of Farkhār, Afghanistan
10 hours ago · 197.06 km deep
119 km E of Caucete, Argentina
11 hours ago · 146.38 km deep
4 km E of Hukay, Philippines
13 hours ago · 161.17 km deep
93 km E of Hihifo, Tonga
1 day ago · 10.00 km deep
71 km SSE of Shihezi, China
1 day ago · 10.00 km deep
228 km ESE of Attu Station, Alaska
1 day ago · 9.34 km deep
57 km ESE of Ōfunato, Japan
1 day ago · 60.39 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.