{
    "success": true,
    "data": {
        "id": 1886939,
        "msgid": "experts-suspect-japans-m7-1-quake-triggered-by-pressure-on-old-fault-1785257616",
        "date": "2026-07-28 22:50:48",
        "title": "Experts Suspect Japan's M7.1 Quake Triggered by Pressure on Old Fault",
        "author": "",
        "source": "ANTARA_ID",
        "tags": "",
        "topic": "Science",
        "summary": "Seismologists believe the powerful magnitude 7.1 earthquake that struck southwestern Japan on Tuesday was caused by slippage on a fault segment that did not rupture during twin quakes a decade ago. The epicentre in Kumamoto Prefecture is located near the sources of the deadly 2016 tremors, with experts warning that strong aftershocks remain a significant risk. Analysis suggests the 2016 event increased stress along the Hinagu fault zone, ultimately triggering the latest movement.",
        "content": "<p>Jakarta (ANTARA) - A powerful earthquake that shook south-western\nJapan on Tuesday is believed to have been triggered by the slippage of a\nfault section that did not rupture when twin quakes struck the same\nregion a decade ago.<\/p>\n<p>Experts have warned that strong aftershock activity could still\ncontinue, Kyodo news agency reported on Tuesday.<\/p>\n<p>The latest quake, centred in Kumamoto Prefecture with a magnitude of\n7.1, occurred not far from the epicentre of a similar inland earthquake\nof magnitude 6.5 on 14 April 2016, and a magnitude 7.3 quake two days\nlater.<\/p>\n<p>All three earthquakes registered the highest seismic intensity level,\nlevel 7 on the Japanese scale, in several areas of the prefecture.<\/p>\n<p>The 2016 earthquakes devastated the region and killed more than 270\npeople.<\/p>\n<p>A number of active fault zones, including the Hinagu and Futagawa\nfault zones that triggered the 2016 quakes, stretch across central\nKyushu.<\/p>\n<p>Experts have repeatedly cautioned that the southern section of the\nHinagu fault zone\u2014which extends to the nearby Yatsushiro Sea\u2014hardly\nshifted at all following the earthquake ten years ago.<\/p>\n<p>Shinji Toda, a professor of seismology at Tohoku University, found\nthat the number of earthquakes of magnitude 1.5 or greater has more than\ndoubled compared with the period before the 2016 quake.<\/p>\n<p>The finding was based on an analysis of seismic activity near the\nHinagu fault zone over the past decade.<\/p>\n<p>Toda explained that the 2016 earthquake is believed to have generated\nenormous stress and pressure, which ultimately caused movement along the\nHinagu fault zone this time.<\/p>\n<p>He added that the two events share the same triggering mechanism.<\/p>\n<p>According to the Japan Meteorological Agency, Tuesday\u2019s quake, which\nstruck at 4.27 pm local time, occurred at a depth of 16 kilometres along\na strike-slip fault\u2014a condition in which two adjacent plates slide\nhorizontally past each other, similar to the characteristics of the 2016\nearthquake.<\/p>\n<p>Nevertheless, the Japan Meteorological Agency has so far not\nexplicitly linked Tuesday\u2019s earthquake to the series of major quakes\nthat occurred a decade ago.<\/p>\n<p>Source: Kyodo<\/p>",
        "url": "https:\/\/jawawa.id\/newsitem\/experts-suspect-japans-m7-1-quake-triggered-by-pressure-on-old-fault-1785257616",
        "image": ""
    },
    "sponsor": "Okusi Associates",
    "sponsor_url": "https:\/\/okusiassociates.com"
}