Home » Special Events » Magnitude 6.3 earthquake in the Bonin Islands, Japan
last updated: 02/27/08 11:41.52 (PST)
On Tuesday February 26 2008 at 10:54 PM (PST) the USArray seismic network recorded an earthquake (preliminary Mw 6.3) located in the Bonin Islands.
Initial source parameters for this tremor are indicated below. The epicentral distance (i.e. distance separating the epicenter and the closest station in the recording network, NLWA) for the USArray is 8133 km (73.15 degrees).
If you felt the quake, the USGS would like to know. Please add your comments to the USGS page "Did you feel it?".
Location Maps
The red star denotes the earthquake epicenter. Triangle symbols are active stations at the time of the earthquake in the USArray (excluding ANSS backbone stations, which are represented by a diamond symbol) and colored by network. Gray lines are major rivers.
Global View:
Regional View:
| Transportable Array (TA) | |
| UC San Diego (AZ) | |
| CalTech (CI) | |
| UN Reno (NN) | |
| Uni. Utah (UU) | |
| ANSS backbone stations (US) |
Solution Parameters
| Solution Parameters | |
|---|---|
| Local Date: | Tuesday February 26, 2008 |
| Local Time: | 10:54 PM PST |
| Universal Time: | 02/27/08 (058) 06:54.25 UTC |
| Magnitude: | 6.3 Mw |
| Latitude: | 26.8140 |
| Longitude: | 142.4250 |
| Depth: | 43 km |
| Author: | QED |
| Authoritative: | yes |
Waveforms
You may view plots showing this event as recorded by USArray instruments:
- Vertical components from every eighth USArray station that recorded the event across the whole network
- 3 components recorded by the closest USArray station to the event
Proximity to Population Centers
- 35 km (25 miles) SE of Chichi-shima, Bonin Islands, Japan
- 250 km (155 miles) NNE of Iwo-jima, Volcano Islands, Japan
- 1020 km (630 miles) SSE of Tokyo, Japan
News Links
- USGS page for this event
- Bloomberg Japan: "Magnitude 6.4 Earthquake Hits Islands South of Tokyo, USGS Says"
Search the internet
To search the internet for more information about this event, click on the button below:
Current seismic activity measured by USArray
Click the links below to observe near real time maps of earthquakes recorded by the USArray deployment:
Further information
Learn more about the Array Network Facility (ANF) component of USArray, the USArray experiment, the EarthScope project, and the Incorporated Research Institutions for Seismology (IRIS).

