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Indonesia: Dozens dead after earthquake off Flores island

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What to know about Indonesia: Dozens dead after earthquake off Flores island

Indonesia: Dozens dead after earthquake off Flores island August 15, 2026 A powerful earthquake struck off the coast of Indonesia early on Saturday, killing at least 47 people and toppling buildings, the National Disaster Mitigation Agency said.

Claims checked 11
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center80%
Right20%

5 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Indonesia: Dozens dead after earthquake off Flores island August 15, 2026 A powerful earthquake struck off the coast of Indonesia early on Saturday, killing at least 47 people and toppling buildings, the National Disaster Mitigation Agency said.

Why it matters

The epicenter of the magnitude 7.7 earthquake hit off the coast of the island of Flores at a shallow depth of 10 kilometers (6.2 miles), the US Geological Survey (USGS) said.

Common ground

Shallow earthquakes (up to 70 kilometers deep) are considered more dangerous and destructive.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.



fact_checkClaims Checked

eFinder analyzed this article and checked 11 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 9
verified Verified By Reference 1
schedule Pending 1
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Claim 1: “A powerful earthquake struck off the coast of Indonesia early on Saturday, killing at least 47 people and toppling buildings, the National Disaster Mitigation Agency said.”
CORROBORATED
Multiple independent sources, including Deutsche Welle and several web search results, confirm a magnitude 7.7 earthquake on August 15, 2026, that killed at least 47 people.
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wikipedia NEUTRAL — The following events occurred in August 1974:
https://en.wikipedia.org/wiki/August_1974
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wikipedia NEUTRAL — The following events occurred in August 1977:
https://en.wikipedia.org/wiki/August_1977
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web search NEUTRAL — Updated August 15, 2026 at 2:41 PM PDT. MAUMERE, Indonesia — A powerful magnitude 7.7 earthquake struck off the coast of Indonesia early Saturday, killing at least 47 people, collapsing buildings and …
https://www.kzyx.org/npr-news/2026-08-15/magnitude-7-7-earth…
+ 3 more evidence sources
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Claim 2: “Tsunami waves of less than 1 meter (3 feet) were recorded in several areas of the country before the warning was lifted about three hours after the quake.”
CORROBORATED
The claim is reported by Deutsche Welle and corroborated by the context of the event in web search results regarding the tsunami warning being lifted.
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wikipedia NEUTRAL — On June 8, 2026, at 07:37:40 PhST (23:37:40 UTC on June 7), a Mw 7.8 earthquake struck offshore southern Mindanao in the Philippines. The United States Geological Survey located the epicenter approxim…
https://en.wikipedia.org/wiki/2026_Mindanao_earthquake
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wikipedia NEUTRAL — On 26 December 2004, at 07:58:53 local time (UTC+7), a Mw 9.2–9.3 earthquake struck with its epicenter off the west coast of Aceh, in northern Sumatra, Indonesia. The undersea megathrust earthquake, k…
https://en.wikipedia.org/wiki/2004_Indian_Ocean_earthquake_a…
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wikipedia NEUTRAL — On 15 August 2026, at 05:58 WITA (UTC+8), a Mw 7.8 earthquake struck off the coast of the island of Flores in East Nusa Tenggara, Indonesia. The earthquake was caused by movement on the Flores back-ar…
https://en.wikipedia.org/wiki/2026_Flores_earthquake
+ 4 more evidence sources
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Claim 3: “The initial jolt was followed by a series of aftershocks in the same area, including one of magnitude 6.1.”
CORROBORATED
Multiple web search results confirm a sequence of aftershocks, specifically citing a magnitude 6.1 aftershock.
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web search NEUTRAL — This earthquake hit under water in the Flores Sea, right off the coast of Indonesia (12 mi offshore), 59 kilometer north of Ende in East Nusa Tenggara. The center of this earthquake had a very shallow…
https://earthquakelist.org/news/2026/08/14/m6-1-earthquake-i…
travel_explore
web search NEUTRAL — 235 aftershocks followed the Flores quake in 36 hours.The largest aftershock typically lands around 1.2 magnitudes below the mainshock — which for a 7.7 predicts something near 6.5. The 6.1 recorded o…
https://plainsightnews.com/aftershocks-explained-flores/
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web search NEUTRAL — The main shock was swiftly followed by a sequence of strong aftershocks. According to Watchers.news, three aftershocks had been recorded by 22:28 UTC: a magnitude-5.9 at 22:13 UTC, a magnitude-5.6 at …
https://www.nationalheadlines.co.uk/2026/08/flores-earthquak…
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Claim 4: “Indonesia is located on the so-called "Ring of Fire," a region of heightened seismic activity in the Pacific basin that stretches from Southeast Asia to Japan.”
CORROBORATED
Five independent news organizations (France24, The Hindu, NY Post, The Guardian, Phys) confirm Indonesia's location on the Ring of Fire.
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cross reference SUPPORTS — Indonesia experiences frequent earthquakes due to its location in the Pacific "Ring of Fire"
https://www.france24.com/en/asia-pacific/20260815-deadly-ear…
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cross reference SUPPORTS — Indonesia, a vast archipelago nation, experiences frequent seismic and volcanic activity due to its position on the Pacific “Ring of Fire”.
https://www.thehindu.com/news/international/indonesia-volcan…
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cross reference SUPPORTS — Indonesia, a vast archipelago of more than 17,000 islands, is prone to earthquakes and volcanic activity because of its location on the “Ring of Fire”
https://nypost.com/2026/08/15/world-news/indonesia-earthquak…
+ 2 more evidence sources
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Claim 5: “The epicenter of the magnitude 7.7 earthquake hit off the coast of the island of Flores at a shallow depth of 10 kilometers (6.2 miles), the US Geological Survey (USGS) said.”
CORROBORATED
The USGS report of a magnitude 7.7 earthquake off Flores at a depth of 10km is confirmed by multiple web search results. While BMKG reported a depth of 15km, the claim specifically attributes the 10km figure to the USGS, which is corroborated.
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wikipedia NEUTRAL — The 1992 Flores earthquake and tsunami occurred on 12 December on the island of Flores in Indonesia. With a magnitude of 7.7 and a maximum Mercalli intensity of IX (Violent), it was the largest and th…
https://en.wikipedia.org/wiki/1992_Flores_earthquake_and_tsu…
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wikipedia NEUTRAL — An earthquake occurred 112 km, offshore, north of Maumere in the Flores Sea on 14 December. The quake had a moment magnitude (Mw) of 7.3 according to the United States Geological Survey (USGS). One pe…
https://en.wikipedia.org/wiki/2021_Flores_earthquake
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wikipedia NEUTRAL — On 15 August 2026, at 05:58 WITA (UTC+8), a Mw 7.8 earthquake struck off the coast of the island of Flores in East Nusa Tenggara, Indonesia. The earthquake was caused by movement on the Flores back-ar…
https://en.wikipedia.org/wiki/2026_Flores_earthquake
+ 3 more evidence sources
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Claim 6: “2004, magnitude 9.1: A quake struck off the coast of Sumatra triggering a tsunami that killed 170,000 in Indonesia and 220,000 in several countries in the Indian Ocean”
CORROBORATED
The 2004 Sumatra earthquake magnitude (9.1) and death toll (170k in Indonesia, 220k others) are corroborated by ANTARA News, Deutsche Welle, and other web results.
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web search NEUTRAL — The December 26, 2004 tsunami, triggered by a 9.1-magnitude undersea earthquake off Sumatra, killed more than 170,000 people in Aceh and destroyed around 250,000 homes, along with vast swathes of infr…
https://en.antaranews.com/news/397786/aceh-marks-21-years-si…
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web search NEUTRAL — 26, 2004, tsunami was triggered by a magnitude 9.1 earthquake off Sumatra island and more than 170,000 people died in Indonesia alone, about three-quarters of the overall death toll.
https://www.voanews.com/a/east-asia-pacific_indonesia-thaila…
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web search NEUTRAL — A MASSIVE earthquake off Indonesia triggered a tsunami alert for countries across the Indian Ocean today, clogging streets with traffic as residents fled to high ground.
https://www.liverpoolecho.co.uk/news/uk-world-news/video-mas…
+ 1 more evidence source
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Claim 7: “Indonesia's Meteorology, Climatology, and Geophysics Agency (BMKG) recorded the first quake at 4:58 am (2158 GMT) at a depth of 15 km (9 miles), followed by dozens of aftershocks.”
CORROBORATED
Both CNBC and Deutsche Welle independently report the BMKG's recording of the quake at 4:58 am (2158 GMT) at a depth of 15 km.
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wikipedia NEUTRAL — The 2010 Mentawai earthquake occurred with a moment magnitude of 7.8 on 25 October off the western coast of Sumatra at 21:42 local time (14:42 UTC). The earthquake occurred on the same subduction zone…
https://en.wikipedia.org/wiki/2010_Mentawai_earthquake_and_t…
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wikipedia NEUTRAL — Indonesia AirAsia Flight 8501 was a scheduled international passenger flight operated by Indonesia AirAsia from Surabaya, Indonesia, to Singapore. On 28 December 2014, the Airbus A320 flying the route…
https://en.wikipedia.org/wiki/Indonesia_AirAsia_Flight_8501
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wikipedia NEUTRAL — The 2015 Southeast Asian haze was an air pollution crisis affecting several countries in Southeast Asia, including Brunei, Indonesia (especially its islands of Sumatra and Borneo), Malaysia, Singapore…
https://en.wikipedia.org/wiki/2015_Southeast_Asian_haze
+ 2 more evidence sources
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Claim 8: “2018, magnitude 6.9: A tremor killed more than 550 people on the islands of Lombok and Sumbawa”
CORROBORATED
The 2018 magnitude 6.9 earthquake killing over 550 people on Lombok and Sumbawa is corroborated by Deutsche Welle and other web search results.
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web search NEUTRAL — 20, 2018. Multiple strong earthquakes killed a number of people on the Indonesian islands of Lombok and Sumbawa as the region was trying to recover from …
https://www.washingtontimes.com/news/2018/aug/20/quake-swarm…
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web search NEUTRAL — Two people died earlier on Sunday on Lombok during a magnitude 6.3 quake. Map of the testimonies received so far following the #earthquake M5.2 in Lombok Region, Indonesia 40 min ago pic.twitter.com/x…
https://www.aljazeera.com/news/2018/8/20/indonesias-lombok-s…
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web search NEUTRAL — 2018, magnitude 6.9: A tremor killed more than 550 people on the islands of Lombok and Sumbawa. 2018, magnitude 7.5: A quake and a subsequent tsunami in Palu on Sulawesi island left more than 4,300 pe…
https://www.dw.com/en/indonesia-thousands-await-aid-as-quake…
+ 1 more evidence source
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Claim 9: “1992, magnitude 7: A tsunami following a strong earthquake on the southeastern island of Flores killed about 2,500 people”
CORROBORATED
Multiple sources (Deutsche Welle, Phys, NBC Washington) confirm the 1992 Flores earthquake and tsunami killed approximately 2,500 people.
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cross reference SUPPORTS — 1992, magnitude 7: A tsunami following a strong earthquake on the southeastern island of Flores killed about 2,500 people
https://www.dw.com/en/indonesia-strong-magnitude-77-earthqua…
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cross reference SUPPORTS — In December of 1992, a magnitude 7 earthquake caused a tsunami that killed about 2,500 people on the southeastern island of Flores
https://phys.org/news/2026-08-magnitude-earthquake-coast-ind…
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cross reference SUPPORTS — In December of 1992, a magnitude 7 earthquake caused a tsunami that killed about 2,500 people on the southeastern island of Flores, part of a group of islands in the eastern half of Indonesia.
https://www.nbcwashington.com/news/national-international/qu…
verified
Claim 10: “BMKG issued a tsunami warning for part of East Nusa Tenggara, West Nusa Tenggara, South Sulawesi and Southeast Sulawesi provinces”
VERIFIED BY REFERENCE
The tsunami warning for East Nusa Tenggara, West Nusa Tenggara, South Sulawesi, and Southeast Sulawesi is confirmed by Wikipedia and multiple news sources.
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wikipedia NEUTRAL — West Nusa Tenggara (Indonesian: Nusa Tenggara Barat, NTB; pronounced [ˌnusa t̪əŋˌɡara ˈbarat̪̚], lit. 'West Southeast Islands') is a province of Indonesia. It comprises the western portion of the Less…
https://en.wikipedia.org/wiki/West_Nusa_Tenggara
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wikipedia NEUTRAL — The 2026 Indonesia wildfires refers to a series of severe wildfires that occurred in Indonesia during 2026. Data from Indonesian Ministry of Forestry, cited by Reuters, showed that 107,465 hectares (2…
https://en.wikipedia.org/wiki/2026_Indonesia_wildfires
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wikipedia NEUTRAL — On 15 August 2026, at 05:58 WITA (UTC+8), a Mw 7.8 earthquake struck off the coast of the island of Flores in East Nusa Tenggara, Indonesia. The earthquake was caused by movement on the Flores back-ar…
https://en.wikipedia.org/wiki/2026_Flores_earthquake
+ 4 more evidence sources
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Claim 11: “2018, magnitude 7.5: A quake and a subsequent tsunami in Palu on Sulawesi island left more than 4,300 people dead or missing”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.