4 ms·

Actually Taipei was only around 2. Magnitudes 6-7 were in the epicenter near Taitung, fairly far away - about 200-300km.

graderjs 4y ago
This is not even an actually... The reviewed magnitude on USGS is 6.9 at the epicenter of course that's what I'm referring to. What are you even saying? Magnitudes 6-7 were in the epicenter near Taitung, fairly far away - about 200-300km Haha I'm well aware of that. I'm not saying that's not the case I'm saying in another comment that the shaking that I felt, I felt sickening. What you say doesn't contradict what I'm saying Just disagreeing for the sake of it? Stupid and abusive.
- luobogao 4y ago
  Taiwan's weather bureau reports intensity in different regions and was reporting mostly 2 in Taipei (maybe at one point 3? esp. for New Taipei), that's what I'm talking about.
  - graderjs 4y ago
    Yeah, so? It was a 6.9, that's what it was.
    - luobogao 4y ago
      Not in Taipei, the subject of the article
      - graderjs 4y ago
        kahnclusions 4y ago
        The recorded magnitude of an earthquake depends on your distance from the epicentre. The farther away you are, the weaker an earthquake feels. The recording of 6.9 was made hundreds of kilometres away from Taipei. What was felt at Taipei 101 was a much lower magnitude.
        graderjs 4y ago
        The recorded magnitude of an earthquake depends on your distance from the epicentre No, this is a confusion. Read the other comments here: there's two things (which I just learned from reading this, but I always knew the epicenter magnitude is the measure of quake power): 1. The recorded magnitude for a quake is the measure of energy of quake at that epicenter. 2. An intensity scale measures the shaking (and it's perceptual effects on humans) at distances from the epicenter. Stop contesting what I'm saying here: I'm saying the magnitude was 6.9. That's a true statement. I'm also saying I fucking felt it. That's also true. Stop telling me I got either of those things wrong. They're both true. You don't fucking know what I felt or what I didn't feel. Also, the magnitude was 6.9 (or 6.8 depending on system used). Obviously I know that what you feel a further distance from it is less shaking that what you feel up close. Come on, of course! It's obvious. Why assume I'm saying something "dumb", or can't understand that unless you need to pretend to look down. And why assume that what I'm saying is false; I'm saying that what I felt in Taipei was sickening. You can't question! That's what I fucking felt. You have no idea of what I felt. You can't question it. Jeeus F Christ, what is wrong with you? Ok, maybe you weren't saying that specifically...but you know what I mean? People on here trying to tell me I had magnitude wrong: no I had it 100% right. Trying to tell me what I could or couldn't feel, not they can't. Trying to be like surprised I felt sickening at this: it's my fucking reaction. I can feel whatever I want and you have no idea about that and no say in that. It's a basic question and boundary. My feelings and reactions are what I know and no one else can tell me that something internal to me didn't happen, and I experienced it, and I know it happened. I mean can you understand how exasperating that is? It's like: "You people don't have any idea at all, what are you even talking about?" Ugh.
eloff 4y ago
I don't think you'd even feel a magnitude 2 quake. Maybe it's different in such a tall building or maybe it was stronger in this area.
- graderjs 4y ago
  - ungamedplayer 4y ago
    I know how you feel.
    - graderjs 4y ago
      Well you don't know how I feel at all, but thanks for saying that as I think you were either: joking a little bit (a play on words, as in: "You don't know how I feel, please...", "I know how you feel" sympathetic, so it's kind of funny), or also showing support, because you can relate to people being fake and trying to tell you what you can and can't feel, which is total bullshit. When of course nobody else can tell you what you can and can't feel, and to try to do so is an abuse. ;p ;) xx ;p
      - ungamedplayer 4y ago
        It was the first. But, today i learned I can abuse someone by telling them how they feel.. New worlds of opportunity have opened up.
- yellow_lead 4y ago
  I felt it in taipei where it was 2-3. Some stuff in my apartment almost fell (paper bags though)
- philliphaydon 4y ago
  There was 2 quakes measured in taipei. The first one was 2, I didn’t feel it, was awake as it occured in the middle of the night and I was taking care of new born. The second was a 3 which I felt! Wife was scared, 4yo daughter didn’t notice it on the bed watching tv.
brenainn 4y ago
Lots of factors affect how an earthquake is felt, so you're better off looking at peak ground acceleration and the Modified Mercalli intensity scale. https://earthquake.usgs.gov/earthquakes/eventpage/us7000i90q/map?shakemap-code=us7000i90q&shakemap-source=us&shakemap-intensity=true&shakemap-mmi-contours=false&shakemap-stations=true https://earthquake.usgs.gov/earthquakes/eventpage/us7000i90q... You can see on the shakemap Taipei has an MMI of close to 4, which corresponds to: "Felt indoors by many, outdoors by few during the day: At night, some are awakened. Dishes, windows, and doors are disturbed; walls make cracking sounds. Sensations are like a heavy truck striking a building. Standing motor cars are rocked noticeably."
- brenainn 4y ago
  Coming back to this I understand now you were referring to Taiwan's own intensity scale and not some recalculated magnitude - my bad! Wanted to clear up that I wasn't dunking on Taiwan's measurements. Their own intensity scale is likely better tuned for the region.
  - graderjs 4y ago
    This is all, awesome. Thanks! I did not know a lot of these details! :) ;p xx ;p
alisonatwork 4y ago
There seems to be a bit of confusion in this thread between differing seismic scales. The Central Weather Bureau in Taiwan uses an intensity scale where a value of 2 means the event is noticeable by most people and 3 means some of those people are frightened.[0] For example, here[1] is the recent report for this morning's "5-" event (#137), which I can assure you everybody in the office still felt in Taipei, where it was only a "2". This event also had a magnitude of 5.9 on the ML scale that is used internationally.[2] [0] https://en.wikipedia.org/wiki/Central_Weather_Bureau_seismic_intensity_scale https://en.wikipedia.org/wiki/Central_Weather_Bureau_seismic... [1] https://www.cwb.gov.tw/V8/E/E/EQ/EQ111137-0919-100745.html https://www.cwb.gov.tw/V8/E/E/EQ/EQ111137-0919-100745.html [2] https://scweb.cwb.gov.tw/en-us/earthquake/details/EE2022091910074559137 https://scweb.cwb.gov.tw/en-us/earthquake/details/EE20220919...
- graderjs 4y ago
  This is great, thanks! :) ;p xx ;p
- ddkto 4y ago
  Seismic magnitude and intensity are two different measures. Magnitude measures the amount of energy released by the ground movement. It is a property of the earthquake and is independent of where the measurements are taken. When someone says 'a magnitude 7 EQ', this what they are referring to. Today, the Moment Magnitude scale is used, which is a better version of the Richter scale.[1] Intensity is a measure of the effects of an earthquake in a particular location. Intensity is commonly assessed with the Modified Mercalli Intensity scale[2], which is a qualitative measure of how the shaking was felt and what damage was done. (As an aside, since it is qualitative, it is the starting point for assessing the size of historical earthquakes.) [1] https://www.usgs.gov/faqs/moment-magnitude-richter-scale-what-are-different-magnitude-scales-and-why-are-there-so-many https://www.usgs.gov/faqs/moment-magnitude-richter-scale-wha... [2] https://www.usgs.gov/media/images/earthquake-intensity-scale https://www.usgs.gov/media/images/earthquake-intensity-scale
xucheng 4y ago
You are confusing two different units. The earthquake moment magnitude scale measures the amount of energy of a given earthquake. It does not concern the location you are and the shacking you felt. Therefore, for this particular Taiwan earthquake, its magnitude is 6.9 regardless of the location. The intensity scale on the other hand measures the amount of shaking for a given location. Naturally, the further you are from the epicenter, the lower the intensity will be.
- graderjs 4y ago
  Thank you, this is good! :P :) xx ;p It's quite confusing to have a couple of different numbers to "characterize" a quake: magnitude (in a few different systems), intensity scale (guess there are different systems around the world as well). Really great to see the clarity here from knowledgable people on this! :) ;pxx ;p

graderjs 4y ago

This is not even an actually... The reviewed magnitude on USGS is 6.9 at the epicenter of course that's what I'm referring to. What are you even saying? Magnitudes 6-7 were in the epicenter near Taitung, fairly far away - about 200-300km Haha I'm well aware of that. I'm not saying that's not the case I'm saying in another comment that the shaking that I felt, I felt sickening. What you say doesn't contradict what I'm saying Just disagreeing for the sake of it? Stupid and abusive.

luobogao 4y ago
Taiwan's weather bureau reports intensity in different regions and was reporting mostly 2 in Taipei (maybe at one point 3? esp. for New Taipei), that's what I'm talking about.
- graderjs 4y ago
  Yeah, so? It was a 6.9, that's what it was.
  - luobogao 4y ago
    Not in Taipei, the subject of the article
    - graderjs 4y ago
      - kahnclusions 4y ago
        The recorded magnitude of an earthquake depends on your distance from the epicentre. The farther away you are, the weaker an earthquake feels. The recording of 6.9 was made hundreds of kilometres away from Taipei. What was felt at Taipei 101 was a much lower magnitude.
        graderjs 4y ago
        The recorded magnitude of an earthquake depends on your distance from the epicentre No, this is a confusion. Read the other comments here: there's two things (which I just learned from reading this, but I always knew the epicenter magnitude is the measure of quake power): 1. The recorded magnitude for a quake is the measure of energy of quake at that epicenter. 2. An intensity scale measures the shaking (and it's perceptual effects on humans) at distances from the epicenter. Stop contesting what I'm saying here: I'm saying the magnitude was 6.9. That's a true statement. I'm also saying I fucking felt it. That's also true. Stop telling me I got either of those things wrong. They're both true. You don't fucking know what I felt or what I didn't feel. Also, the magnitude was 6.9 (or 6.8 depending on system used). Obviously I know that what you feel a further distance from it is less shaking that what you feel up close. Come on, of course! It's obvious. Why assume I'm saying something "dumb", or can't understand that unless you need to pretend to look down. And why assume that what I'm saying is false; I'm saying that what I felt in Taipei was sickening. You can't question! That's what I fucking felt. You have no idea of what I felt. You can't question it. Jeeus F Christ, what is wrong with you? Ok, maybe you weren't saying that specifically...but you know what I mean? People on here trying to tell me I had magnitude wrong: no I had it 100% right. Trying to tell me what I could or couldn't feel, not they can't. Trying to be like surprised I felt sickening at this: it's my fucking reaction. I can feel whatever I want and you have no idea about that and no say in that. It's a basic question and boundary. My feelings and reactions are what I know and no one else can tell me that something internal to me didn't happen, and I experienced it, and I know it happened. I mean can you understand how exasperating that is? It's like: "You people don't have any idea at all, what are you even talking about?" Ugh.

eloff 4y ago

I don't think you'd even feel a magnitude 2 quake. Maybe it's different in such a tall building or maybe it was stronger in this area.

graderjs 4y ago
- ungamedplayer 4y ago
  I know how you feel.
  - graderjs 4y ago
    Well you don't know how I feel at all, but thanks for saying that as I think you were either: joking a little bit (a play on words, as in: "You don't know how I feel, please...", "I know how you feel" sympathetic, so it's kind of funny), or also showing support, because you can relate to people being fake and trying to tell you what you can and can't feel, which is total bullshit. When of course nobody else can tell you what you can and can't feel, and to try to do so is an abuse. ;p ;) xx ;p
    - ungamedplayer 4y ago
      It was the first. But, today i learned I can abuse someone by telling them how they feel.. New worlds of opportunity have opened up.
yellow_lead 4y ago
I felt it in taipei where it was 2-3. Some stuff in my apartment almost fell (paper bags though)
philliphaydon 4y ago
There was 2 quakes measured in taipei. The first one was 2, I didn’t feel it, was awake as it occured in the middle of the night and I was taking care of new born. The second was a 3 which I felt! Wife was scared, 4yo daughter didn’t notice it on the bed watching tv.

brenainn 4y ago

Lots of factors affect how an earthquake is felt, so you're better off looking at peak ground acceleration and the Modified Mercalli intensity scale. https://earthquake.usgs.gov/earthquakes/eventpage/us7000i90q/map?shakemap-code=us7000i90q&shakemap-source=us&shakemap-intensity=true&shakemap-mmi-contours=false&shakemap-stations=true https://earthquake.usgs.gov/earthquakes/eventpage/us7000i90q... You can see on the shakemap Taipei has an MMI of close to 4, which corresponds to: "Felt indoors by many, outdoors by few during the day: At night, some are awakened. Dishes, windows, and doors are disturbed; walls make cracking sounds. Sensations are like a heavy truck striking a building. Standing motor cars are rocked noticeably."

brenainn 4y ago
Coming back to this I understand now you were referring to Taiwan's own intensity scale and not some recalculated magnitude - my bad! Wanted to clear up that I wasn't dunking on Taiwan's measurements. Their own intensity scale is likely better tuned for the region.
- graderjs 4y ago
  This is all, awesome. Thanks! I did not know a lot of these details! :) ;p xx ;p

alisonatwork 4y ago

There seems to be a bit of confusion in this thread between differing seismic scales. The Central Weather Bureau in Taiwan uses an intensity scale where a value of 2 means the event is noticeable by most people and 3 means some of those people are frightened.[0] For example, here[1] is the recent report for this morning's "5-" event (#137), which I can assure you everybody in the office still felt in Taipei, where it was only a "2". This event also had a magnitude of 5.9 on the ML scale that is used internationally.[2] [0] https://en.wikipedia.org/wiki/Central_Weather_Bureau_seismic_intensity_scale https://en.wikipedia.org/wiki/Central_Weather_Bureau_seismic... [1] https://www.cwb.gov.tw/V8/E/E/EQ/EQ111137-0919-100745.html https://www.cwb.gov.tw/V8/E/E/EQ/EQ111137-0919-100745.html [2] https://scweb.cwb.gov.tw/en-us/earthquake/details/EE2022091910074559137 https://scweb.cwb.gov.tw/en-us/earthquake/details/EE20220919...

graderjs 4y ago
This is great, thanks! :) ;p xx ;p
ddkto 4y ago
Seismic magnitude and intensity are two different measures. Magnitude measures the amount of energy released by the ground movement. It is a property of the earthquake and is independent of where the measurements are taken. When someone says 'a magnitude 7 EQ', this what they are referring to. Today, the Moment Magnitude scale is used, which is a better version of the Richter scale.[1] Intensity is a measure of the effects of an earthquake in a particular location. Intensity is commonly assessed with the Modified Mercalli Intensity scale[2], which is a qualitative measure of how the shaking was felt and what damage was done. (As an aside, since it is qualitative, it is the starting point for assessing the size of historical earthquakes.) [1] https://www.usgs.gov/faqs/moment-magnitude-richter-scale-what-are-different-magnitude-scales-and-why-are-there-so-many https://www.usgs.gov/faqs/moment-magnitude-richter-scale-wha... [2] https://www.usgs.gov/media/images/earthquake-intensity-scale https://www.usgs.gov/media/images/earthquake-intensity-scale

xucheng 4y ago

You are confusing two different units. The earthquake moment magnitude scale measures the amount of energy of a given earthquake. It does not concern the location you are and the shacking you felt. Therefore, for this particular Taiwan earthquake, its magnitude is 6.9 regardless of the location. The intensity scale on the other hand measures the amount of shaking for a given location. Naturally, the further you are from the epicenter, the lower the intensity will be.

graderjs 4y ago
Thank you, this is good! :P :) xx ;p It's quite confusing to have a couple of different numbers to "characterize" a quake: magnitude (in a few different systems), intensity scale (guess there are different systems around the world as well). Really great to see the clarity here from knowledgable people on this! :) ;pxx ;p