After the occurrence of a large earthquake, rapid reporting is useful and necessary for resource dispatch management and quick damage assessment. In practice, a ground-motion prediction or a shaking-intensity estimation can be realized once the location and magnitude of an earthquake become available. Rapid availability of event information can also fulfill inquiries and alleviate the misgivings of the public and media.

Using the traditional travel-time method, rapid earthquake location is a simple task once a few P-wave arrivals are known. In contrast, a quick and accurate estimate of earthquake magnitude is a nontrivial problem, especially for an extremely large...

You do not currently have access to this article.