Shaking intensity
- III
Strongest contour: Weak (III). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.
Who felt it
People in the shaking
- IIIWeak199,000
| Place | Population | Shaking |
|---|---|---|
| Hagta | 1,000 | III |
| Maina | 122,000 | III |
Past earthquakes here. A magnitude 7.7 earthquake 153 km se of this event struck Guam on August 8, 1993 (UTC), with estimated population exposures of 141,000 at intensity VIII and 3,000 at intensity IX or greater, with no reported fatalities.
Local buildings. Overall, the population in this region resides in structures that are a mix of vulnerable and earthquake resistant construction. The predominant vulnerable building types are informal (metal, timber, GI etc.) and unknown/miscellaneous types construction.
Population and intensity modelled by USGS PAGER. Estimates, not a count of people affected.
Official source
View the USGS record ↗U.S. Geological Survey
Terremoto preserves this event snapshot for a stable public link. USGS remains the authoritative source for revisions and scientific details. Shaking contours and population estimates come from USGS ShakeMap and PAGER, which revise them as more data arrives.