"earthquake storm" meaning in English

{
  "etymology_text": "Coined by Stanford Professor of Geophysics Amos Nur in 2000.",
  "forms": [
    {
      "form": "earthquake storms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "earthquake storm (plural earthquake storms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Seismology",
          "orig": "en:Seismology",
          "parents": [
            "Geology",
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The theorized situation where one earthquake triggers a series of other large earthquakes, along the same plate boundary, as the stress transfers along the fault system."
      ],
      "id": "en-earthquake_storm-en-noun-uGGMTL5T"
    }
  ],
  "word": "earthquake storm"
}

{
  "etymology_text": "Coined by Stanford Professor of Geophysics Amos Nur in 2000.",
  "forms": [
    {
      "form": "earthquake storms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "earthquake storm (plural earthquake storms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Seismology"
      ],
      "glosses": [
        "The theorized situation where one earthquake triggers a series of other large earthquakes, along the same plate boundary, as the stress transfers along the fault system."
      ]
    }
  ],
  "word": "earthquake storm"
}