{"id":471253,"date":"2026-09-21T22:08:10","date_gmt":"2026-09-21T22:08:10","guid":{"rendered":"https:\/\/www.newsbeep.com\/us-ca\/471253\/"},"modified":"2026-09-21T22:08:10","modified_gmt":"2026-09-21T22:08:10","slug":"breaking-human-activity-sparks-upper-seal-fire-in-san-francisco-county-on-sep-20","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us-ca\/471253\/","title":{"rendered":"Breaking: Human activity sparks Upper Seal Fire in San Francisco County on Sep. 20"},"content":{"rendered":"<p>            <img loading=\"lazy\" decoding=\"async\" class=\"responsive-image\" src=\"https:\/\/www.newsbeep.com\/us-ca\/wp-content\/uploads\/2026\/09\/1790028490_287_904274ad-cc18-4c6a-b772-fd81b276817c.jpeg\"   width=\"1200\" height=\"674\" title=\"Updates on California wildfires.\" alt=\"Updates on California wildfires.\"\/><\/p>\n<p>        Updates on California wildfires.<\/p>\n<p>The creation of this content included the use of AI based on templates created, reviewed and edited by journalists in the newsroom. Read more on our AI policy <a href=\"https:\/\/www.sacbee.com\/news\/nation-world\/national\/article280707640.html\" rel=\"nofollow noopener\" target=\"_blank\">here<\/a>.<\/p>\n<p>First discovered: 17 hours ago, 7:25 p.m. Sep. 20<\/p>\n<p>Initial location:  San Francisco County, Calif.<\/p>\n<p>Fire type: Wildfire<\/p>\n<p>Fire name: Upper Seal<\/p>\n<p>A new wildfire was reported at 7:25 p.m. Sep. 20 in San Francisco County, California.<\/p>\n<p>Upper Seal Fire has been burning on federal land managed by the National Park Service for 17 hours. It is suspected that it was triggered by human activity, likely due to debris and open burning. At this time, there are no details on the containment of the fire.<\/p>\n<p>Historic data<\/p>\n<p>In 2024, California witnessed 8,011 fires caused by humans, as reported by NIFC, which burned 990,939 acres of wildland.<\/p>\n<p>Source: National Interagency Fire Center<\/p>\n<p>United Robots Sacramento<\/p>\n<p class=\"summary gray\">This story was originally published September 21, 2026 at 1:15 PM.<\/p>\n","protected":false},"excerpt":{"rendered":"Updates on California wildfires. The creation of this content included the use of AI based on templates created,&hellip;\n","protected":false},"author":2,"featured_media":471254,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[101,103,102,104,106,105],"class_list":["post-471253","post","type-post","status-publish","format-standard","has-post-thumbnail","category-san-francisco","tag-san-francisco","tag-san-francisco-headlines","tag-san-francisco-news","tag-sf","tag-sf-headlines","tag-sf-news"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/471253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/comments?post=471253"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/471253\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media\/471254"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media?parent=471253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/categories?post=471253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/tags?post=471253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}