Earthquake
Topic overview. Based on 33333 on-topic pages. [earthquake directory]
Significant concepts: 
magnitude earthquake hit, building collapse, origin time, report of damage, epicenter, earthquake happen, small earthquake, earthquake that strike, usgs more, san francisco, death toll, magnitude earthquake strike, natural hazard, strong earthquake, school building.
Most relevant domains
Most relevant domains based on cumulative page relevance to the topic as defined by example links and on the number of relevant domains linking to them.
| domain | | | | | | | |
|---|---|---|---|---|---|---|---|
http://usgs.gov/  | 1 | 297 | 354 | 4823 | 0.93 | 3.96 | usgs.gov |
| http://latimes.com/ | 2 | 290 | 332 | 1340 | 0.97 | 2.49 | latimes.com |
| http://ca.gov/ | 3 | 287 | 338 | 1647 | 0.93 | 2.6 | ca.gov |
| http://scec.org/ | 4 | 279 | 279 | 1568 | 1 | 1.91 | scec.org |
| http://caltech.edu/ | 5 | 299 | 306 | 1388 | 0.99 | 1.81 | caltech.edu |
| http://earthquaketrack.com/ | 6 | 341 | 342 | 2581 | 1 | 1.34 | earthquaketrack.com |
| http://livescience.com/ | 7 | 276 | 309 | 634 | 0.99 | 1.82 | livescience.com |
| http://kron4.com/ | 8 | 348 | 348 | 917 | 0.99 | 1.25 | kron4.com |
| http://abc7news.com/ | 9 | 331 | 334 | 1125 | 0.98 | 1.34 | abc7news.com |
| http://cbslocal.com/ | 10 | 247 | 253 | 1191 | 0.99 | 1.78 | cbslocal.com |
Atext
Most frequent phrases in anchor texts of links found in this topical graph .
| atext | | | |
|---|---|---|---|
| info | 1789 | 125.13 | |
| news | 1778 | 86.59 | |
| crossref | 1340 | 82.03 | |
| search ads | 861 | 46.76 | |
| earthquakes | 498 | 31.34 | |
| map | 931 | 24.88 | |
| i felt it | 362 | 24.75 | |
| earthquake | 396 | 24.57 | |
| photos | 494 | 20.19 | |
| related changes | 646 | 19.1 |
Keyword ideas
Common word stems found in on-topic page titles.
| word | |
|---|---|
| earthquak | |
| san | |
| news | |
| francisco | |
| california | |
| quak | |
| bay | |
| magnitud | |
| new | |
| area |
Popular pages
On-topic pages with highest topical PageRank.
Popular prospect pages
On-topic pages with highest topical PageRank having a few outgoing links and domains.
Hubs
Pages with most links towards other likely on-topic pages.
Domains with most linking domains
Relevant domains with most other relevant domains linking to them.
| domain | | | |
|---|---|---|---|
| http://usgs.gov/ | 330 | 231.19 | usgs.gov |
| http://youtube.com/ | 204 | 25.49 | youtube.com |
| http://facebook.com/ | 165 | 16.36 | facebook.com |
| http://wikipedia.org/ | 127 | 27.84 | wikipedia.org |
| http://ca.gov/ | 127 | 26.19 | ca.gov |
| http://apple.com/ | 114 | 6.96 | apple.com |
| http://berkeley.edu/ | 93 | 12.94 | berkeley.edu |
| http://nytimes.com/ | 89 | 15.74 | nytimes.com |
| http://sfgate.com/ | 84 | 17.11 | sfgate.com |
| http://cnn.com/ | 82 | 15.02 | cnn.com |