Sentence examples for observing earthquakes from inspiring English sources

Japan Meteorological Agency (JMA) has been observing earthquakes and infrasound at one point since 2011.

Because fifty-two OBSs had been installed in a portion of the source region and were observing earthquakes, we observed aftershocks using more than 120 OBSs as of April 8th, 2011.

Figure 2(d) shows the actual location of those observed earthquakes, including the Kobe earthquake main shock.

Table 2. Counts of forecast and observed earthquakes over all 0.1° × 0.1° bins.

The scale shows the number of expected or observed earthquakes at each point.

The 115 observed earthquakes in the forecast period of 1 November 2009 31 January 2010 are indicated by a filled square.

Majer et al. (2007) reported that '…To date, the maximum observed earthquakes attributed to EGS operations have been magnitude 3.0 to 3.7 and the largest geothermal injection-related event was magnitude 4.6'.

Consider the case in which adjacent two stations i and j observe earthquake k, where the hypocentral distances of each station are long compared with the distance between the stations.

Media captionEd Lu: "These smaller asteroid impacts happen all the time" "In the cities that have a major danger - Tokyo, Los Angeles, San Francisco - they know the odds of big earthquakes by observing how many small earthquakes there are.

Such liquefaction is rarely observed during earthquakes of M ≤ 5.2.

The rate of loading is chosen to coincide with strain-rates normally observed during earthquakes.