5 ms·
Magnitude 7.7 Earthquake – 68 km NNW of Ende, Indonesia
- deleted 2mo ago[deleted]
- CookieCrisp 2mo agoI know large earthquakes are effectively random (ignoring aftershocks) but this feels like a lot this year, yeah?
- kermatt 2mo agoI was wondering the same: https://www.morageology.com/earthquake_year.php https://www.morageology.com/earthquake_year.php
- goda90 2mo agoWhy does this page say there have been 0 >2.5mag earthquakes this year?
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- teraflop 2mo agoBecause this particular sensor network is only monitoring earthquakes in the Pacific Northwest of the USA, not worldwide.
- LeBit 2mo ago> Note: While it may look like there have been an increase in total number of earthquakes since about 2020, this is actually due to the increasing number of seismic stations installed in the park since 2020 that are able to detect smaller (<= 0.5 magnitude) earthquakes. If you look at the number of earthquakes >= 1.0, the rate has remained about the same.
- jwilber 2mo agoSomehow I don’t think people are confusing raw seismic station earthquake counts with the three back-to-back high profile/magnitude earthquakes that recently occurred in Venezuela, Colombia, and Indonesia. I understand the point, maybe those recent earthquakes aren’t ood, but still.
- Melatonic 2mo agoThere are also likely a lot of earthquakes we don't notice because they don't effect populated areas. There's a lot of ocean around the ring of fire.
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- ortusdux 2mo ago76 quakes ranking 7.0+ so far this decade, including 10 this year. https://en.wikipedia.org/wiki/List_of_earthquakes_2021%E2%80%93present https://en.wikipedia.org/wiki/List_of_earthquakes_2021%E2%80...
- teacpde 2mo agoYea, feel like a lot of big ones this year, but looking it up https://en.wikipedia.org/wiki/List_of_earthquakes_in_2026 https://en.wikipedia.org/wiki/List_of_earthquakes_in_2026 it is actually not necessarily worse than previous years.
- marcosdumay 2mo agoGiven we are barely beyond half of the year, that puts us close to the outlier that was 2023 in the 7+ range. 2023 also had a strong el-niño event.
- jeffrwells 2mo agoHN highlighting a lot this year, is all
- beloch 2mo agoEarthquakes can occur in swarms[1] (distinct from aftershocks), with many of a similar size (i.e. Not a big quake followed by smaller ones) occurring in a small area over "relatively short" periods of time (i.e. days, weeks, or years). The USGS map shows the 7.7 quake being followed by about 19 other smaller quakes near or in Indonesia within just a few hours. These are probably aftershocks. ------- [1]https://en.wikipedia.org/wiki/Earthquake_swarm https://en.wikipedia.org/wiki/Earthquake_swarm
- HaloZero 2mo agoYeah, I looked this up and USGS literally has a page about this. https://www.usgs.gov/faqs/why-are-we-having-so-many-or-so-few-earthquakes-has-naturally-occurring-earthquake-activity https://www.usgs.gov/faqs/why-are-we-having-so-many-or-so-fe... According to long-term records (since about 1900), we expect about 16 major earthquakes in any given year. That includes 15 earthquakes in the magnitude 7 range and one earthquake magnitude 8.0 or greater. In the past 40-50 years, our records show that we have exceeded the long-term average number of major earthquakes about a dozen times. You can see a map of ALL the 7+ here: https://earthquake.usgs.gov/earthquakes/map/?extent=-89.03188,-156.09375&extent=89.01993,682.03125&range=search&listOnlyShown=true&baseLayer=terrain&timeZone=utc&search=%7B%22name%22:%22Search%20Results%22,%22params%22:%7B%22starttime%22:%222025-01-01%2000:00:00%22,%22minmagnitude%22:7,%22orderby%22:%22time%22,%22endtime%22:%222026-01-01%2000:00:00%22%7D%7D https://earthquake.usgs.gov/earthquakes/map/?extent=-89.0318... The search filtering is a bit hard to find in the UI but the parameters in the URL can be modified. (We had 16+ 7.0 last year as a comparison)
- astrobe_ 2mo agoI've always wondered if the melting of glaciers would move masses from one place to another and induce some tectonic moves. But the mass is most likely not significant enough; water/ice has a relatively low density after all.
- dev1ycan 2mo agoIt's more likely related to planetary positions and or solar cycle/activity, "recent studies suggest a notable statistical correlation between specific solar magnetic milestones and the shifting phases of the El Niño-Southern Oscillation" Like in theory it doesn't make sense that el niño causes earthquakes, yet there seems to be more prominent ones during el niño however if both are related to sun cycle/activity it would make more sense (seeing how the moon affects earth as well)
- smolder 2mo agoThe deep earth isn't all that well studied, so while we know a fair amount about plate tectonics, there could be hidden factors influencing that action in ways we can't anticipate from recorded history. Who's to say there aren't 1000 or 10k year cycles of earthquakes? Something novel could happen too, but our records don't let us set probabilities for 10k year natural disasters the way we can with 100 year tropical storms, floods, or earthquakes.
- jtfrench 2mo agoIt does feel like a lot
- keeda 2mo agoSure feels like it in my corner of the Bay Area, since we had a prolonged earthquake swarm earlier this year, even hitting a record number of earthquakes per day or something like that.
- onion2k 2mo agoRandomness without clusters probably isn't random.
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- insaider 2mo agoIs this big enough to produce a Tsunami? Apparently maybe only a small localised one, but I'm supposed to be getting the ferry from Lombok to Bali shortly and two of those have already burnt down the last 2 weeks!
- decimalenough 2mo agoA ferry in the open ocean is one of the safer places to be during a tsunami. Remember, it's not a surf-style wave, but a gradual increase in water level.
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- throwaway894345 2mo agoboarding the ferry may not be the most pleasant, however.
- aziaziazi 2mo agoAfter the tsunami, would the current induced by the water drawback disrupt the ferry ability to come back ? I wonder if the ocean “rise” again (water on top of water) or if it’s more a current-style (water push water) movement.
- monster_truck 2mo agoExtremely. They are quite slow laterally (a couple knots while docking), the lateral currents (which are not constant or unidirectional) reach 2-4x+, throwing them into whatever happens to be in the way. AFAIK the bigger issue is that the boats are grounded so violently when the water recedes that the hulls get destroyed before they even have a chance. This tends to be why they put everything they have into getting further out to sea the moment a warning is issued.
- kylecazar 2mo agoThere's an eerie video that went around of a ship hitting the 2011 tsunami in Japan at open sea. It demonstrates the idea pretty well. https://youtube.com/shorts/igfP5CQAkHU?is=TJqk4lxxhYkK8hQV https://youtube.com/shorts/igfP5CQAkHU?is=TJqk4lxxhYkK8hQV
- burnt-resistor 2mo agoSo Google Earth says the ocean depth at the epicenter is 6,286 ft / 1,916 m, but I couldn't find a corresponding tsunami alert or evaluation of risk.
- mikeyouse 2mo agoLooks like it was a strike-slip fault, so a much lower tsunami risk compared to a subduction / dip-slip fault.
- lightedman 2mo agoBeachball (moment tensor) says it's a thrust fault with a ton of lateral movement (aka attempted subduction.) https://earthquake.usgs.gov/earthquakes/eventpage/us6000tkt2/moment-tensor https://earthquake.usgs.gov/earthquakes/eventpage/us6000tkt2... eyeballs filled in are pretty much thrust faults and horizontal like that means subduction-possible movement.
- ttul 2mo agoWhat is the moment tensor in this context?
- lightedman 2mo agoThe moment tensor is the graph on my link which describes the forces that cause an earthquake and is used to analyze the fault movement that generates seismic waves
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- alekstret 2mo agoThis morning, when I woke up, I checked the phone notifications. I saw some alerts from the LastQuake app that a major earthquake occurred on Flores. I didn't feel it here in Bukit, Bali, where I currently reside.
- embedding-shape 2mo agoInterestingly enough, south of Spain also had a earthquake this morning: https://www.nytimes.com/interactive/2026/08/14/world/europe/spain-quake-tracker.html https://www.nytimes.com/interactive/2026/08/14/world/europe/..., last one was in 2025 but before that 2021. Maybe too few data points to extrapolate any wider pattern, but skimming https://en.wikipedia.org/wiki/List_of_earthquakes_in_Spain https://en.wikipedia.org/wiki/List_of_earthquakes_in_Spain they seem to be picking up in frequency.
- while_true_ 2mo agoInteresting this earthquake struck shortly after a solar eclipse, implying significant spring tide forces were present. The earthquake occurred near dawn, when the sun/moon pair, Indonesia, and the Earth's core formed a right angle to each other, creating tidal tension forces on the crust. Tidal forces have been linked to the Dec. 26, 2004 Sumatra earthquake. This paper claims there's a significant link between tidal forces and earthquakes in the region (https://doi.org/10.1029/2006GL027074 https://doi.org/10.1029/2006GL027074). The authors conclude "The observed relationships suggest that the cyclical crustal flexing, which will be at a maximum at full or new moons, might provide sufficient extra force to a plate-boundary region already on the point of rupture to trigger an earthquake that was ‘waiting to happen’."