That is from the earthquake we had 3 hours ago
Tuesday December 4 2012, 01:42:48 UTC 3 hours ago Southern Alaska 5.8 53.2 USGS Feed Detail
it is the seismograph reading from the HARRP facility in Alaska

We just had another Denali Fault Line
Tuesday December 4 2012, 05:00:42 UTC 22 minutes ago Central Alaska 3.9 8.9 USGS Feed Detail

and these
2.5 45km SE of Cape Yakataga, Alaska 2012-12-04 04:55:47 59.810°N 141.787°W 1.3
2.7 61km E of Whittier, Alaska 2012-12-04 01:59:41 60.694°N 147.575°W 2.9
2.8 49km W of Anchorage, Alaska 2012-12-04 01:51:56 61.199°N 150.820°W 50.7
2.6 49km W of Anchorage, Alaska 2012-12-04 01:50:59 61.294°N 150.812°W 66.1