CSN _ Sismología UCh engagement report
@Sismos_UCHILE - 209K followers on X
Measured over 3 original posts from a 30-day window, last computed on October 6, 2026.
Engagement
Early reading. We have captured 3 original posts for this account, below the 8 we require before treating a median as settled. The numbers above describe what we have seen so far, not a finished profile of the account.
A typical post picks up 9 interactions against 209K followers, an engagement rate of 0.004%. Posts are seen about 3.0K times each, and 0.303% of those impressions turn into an interaction. That is about 1.42% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.1 posts a day over the last 30 days, though only 7% of days saw any activity at all. Most posts go out around 14:00 UTC, and Friday is the busiest day of the week. Of the 3 posts sampled, 100% carry an image or video. The account's strongest tracked post pulled 4.2K interactions, about 462x its own typical post. Only 3 original posts have been captured so far, fewer than the 8 posts we want behind a median before treating it as settled. Read the figures above as an early measurement of this account, not as a finished profile of it.
Measured over 3 original posts from a 30-day window, last computed on October 6, 2026.
Where this sits in the catalog
At 0.004%, CSN _ Sismología UCh sits above the 10th percentile of the 219,043 accounts in this comparison. That places it in the bottom 25% band, which runs below 0.025%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.025% |
| 50th percentile | 0.149% |
| 75th percentile | 0.706% |
| 90th percentile | 2.63% |
| 99th percentile | 82.5% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 14:00 UTC, and Friday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 89K |
| 01:00 UTC | -2% | 90K |
| 02:00 UTC | -3% | 88K |
| 03:00 UTC | -4% | 94K |
| 04:00 UTC | -5% | 76K |
| 05:00 UTC | -4% | 75K |
| 06:00 UTC | -5% | 86K |
| 07:00 UTC | -5% | 93K |
| 08:00 UTC | -4% | 108K |
| 09:00 UTC | -4% | 124K |
| 10:00 UTC | -3% | 129K |
| 11:00 UTC | -3% | 141K |
| 12:00 UTC | -3% | 154K |
| 13:00 UTC | -3% | 167K |
| 14:00 UTC | -4% | 173K |
| 15:00 UTC | -2% | 176K |
| 16:00 UTC | -3% | 171K |
| 17:00 UTC | -3% | 159K |
| 18:00 UTC | -2% | 149K |
| 19:00 UTC | -2% | 141K |
| 20:00 UTC | -1% | 131K |
| 21:00 UTC | 0% | 116K |
| 22:00 UTC | -2% | 100K |
| 23:00 UTC | -1% | 90K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 393K |
| Monday | +1% | 483K |
| Tuesday | -2% | 520K |
| Wednesday | -3% | 472K |
| Thursday | -2% | 430K |
| Friday | -3% | 447K |
| Saturday | +2% | 393K |
Formats this account uses
Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.
| Format | This account | Catalog effect | 95% interval | Accounts behind it |
|---|---|---|---|---|
| Image or video | 100% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 0% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | no effect | -2% to -1% | 42K |
- 100% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
- 0% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts.
- Its average post runs 199 characters, which falls in the 180 - 280 characters band. Across the catalog, posts of 180 to 280 characters match the same accounts' other posts almost exactly.
These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.
Best tweets
- Jul 30, 2025462x their median
HNL Alert: Tsunami Warning Updated - Take Action! Destructive tsunami waves expected. Go to https://t.co/rWQABuBpUE for wave arrival time. EVACUATE coastal areas in PRIMARY EVACUATION ZONE. Map at https://t.co/gUXCBvh2ZM. Evacuate a https://t.co/TjGRXxxBoj https://t.co/nkmdI3C6CD
- Jul 30, 2025102x their median
Amenaza de tsunami para las costas de Chile, según información de SHOA: https://t.co/KuVmPuIZbW
- May 27, 202635x their median
¡Estamos de vuelta! 👀👀👀 https://t.co/tVja5TIzyO
- Apr 6, 202630x their median
Una estación de la Red Sismológica Nacional sufrió el robo de sus paneles solares, esenciales para su funcionamiento en zonas aisladas. https://t.co/vGarNmNNBu #Sismología #Chile #Robo https://t.co/ssdOO3L8kj
- Nov 18, 202519x their median
🔴 Dos estaciones de la Red Sismológica Nacional fueron vandalizadas en noviembre, lo que afecta nuestra capacidad para monitorear la actividad sísmica del país. 📍 Estamos buscando un acelerógrafo robado en Antofagasta. No tiene uso comercial. 📧 contacto@csn.uchile.cl https://t.co/cgcSOUYsfk
- May 27, 20265.0x their median
🔬🌎 ¿El sismo M6.9 de Calama se enmarca en la actividad sísmica esperada para el norte de Chile?Infórmate más en el siguiente enlace -> https://t.co/jrqIPSHgyc @uchile @fcfm_Uchile @Senapred https://t.co/fkNRZZ2lIc
- Mar 13, 20264.7x their median
Fuerte sismo con magnitud 6.5Mww se registra 43 km al SO de Huasco. Según informe preliminar de SHOA, el movimiento no reune las características para generar tsunami en las costas chilenas.
- May 22, 20264.6x their median
#Valdivia #Terremoto 66 años del terremoto más grande desde que tenemos registro instrumental https://t.co/BYmhDujRfV https://t.co/jRrG7jeCwQ
- May 13, 20264.2x their median
Un 13 de mayo de 1647, un terremoto magnitud 8.5 destruyó Santiago, dejando la ciudad en ruinas. Solo quedaron en pie algunas estructuras clave, como la Iglesia de San Agustín, donde comenzó la leyenda del #CristoDeMayo. Conoce más a continuación: https://t.co/D4R7iq54Yi
- Nov 19, 20253.7x their median
Centro Sismológico Nacional denuncia vandalización de dos estaciones: una fue prácticamente saqueada https://t.co/SPtsrkYD1D
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
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Reading these numbers
A typical post picks up 9 interactions against 209K followers, an engagement rate of 0.004%. Posts are seen about 3.0K times each, and 0.303% of those impressions turn into an interaction. That is about 1.42% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.1 posts a day over the last 30 days, though only 7% of days saw any activity at all. Most posts go out around 14:00 UTC, and Friday is the busiest day of the week. Of the 3 posts sampled, 100% carry an image or video. The account's strongest tracked post pulled 4.2K interactions, about 462x its own typical post. Only 3 original posts have been captured so far, fewer than the 8 posts we want behind a median before treating it as settled. Read the figures above as an early measurement of this account, not as a finished profile of it.
- What is CSN _ Sismología UCh's engagement rate on X?
- CSN _ Sismología UCh (@Sismos_UCHILE) has an engagement rate of 0.004%, based on the median interactions across 3 original posts from the last 30 days against 208,918 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.004%, CSN _ Sismología UCh sits above the 10th percentile of the 219,043 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @Sismos_UCHILE have real engagement?
- There is not yet enough sample to rank this account against others of its size.
- When does @Sismos_UCHILE post?
- Most posts go out around 14:00 UTC, and Friday is its busiest day, at roughly 0.1 posts per day across the measured window.