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Earthquakes Today: Map, Magnitude and Depth

Today's earthquakes worldwide, merged from USGS, EMSC and INGV without duplicates: magnitude, depth, time, map and the quakes near a place.

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A tremor felt last night, a notification on your phone, a news item on the radio: you want to know where the ground shook, how strongly and how deep. The page brings together the catalogues of three agencies — the United States Geological Survey (USGS), the European-Mediterranean Seismological Centre (EMSC) and Italy's National Institute of Geophysics and Volcanology (INGV) — merges the earthquakes two of them describe twice, and shows them as a list, on a world map, around a place you choose and as statistics. Over 24 hours every magnitude is kept; over 7 days, from 2.5 up; over 30 days, from 4.5 up. Magnitudes, depths and place names are those published by the agency selected, untranslated, and the list is read again every five minutes while the page stays in the foreground.

How to use it

  1. Choose the window at the top of the tool: “24 h” for every magnitude, “7 days” from M2.5, “30 days” from M4.5.
  2. In the “List” tab, read each earthquake: magnitude, place published by the agency, local time and time elapsed, depth and the agencies that reported it; “Next” moves to the following page.
  3. Open “Map” to see the epicentres on the world, each circle growing with the magnitude, or “Near a place” to pick a town and a radius of 100, 300 or 1,000 km.
  4. Open “Statistics” for the earthquakes by magnitude class, the strongest, the spread over time and by depth, and the share of each agency.
  5. Open “Energy” to compare what an earthquake releases according to its magnitude, in joules and in TNT equivalent.

How the list is built

Our server reads three public sources: the USGS feeds, updated every minute, and the FDSN event services of the EMSC and INGV. Your browser contacts none of these agencies: it only asks our site for the window you chose, and the delivery network keeps the answer for one minute, thirty seconds when an agency is missing.

The same earthquake often appears at two agencies. Two reports are merged when they fall within one second and one kilometre of each other, or within 10 seconds and 50 kilometres with at most one unit of magnitude between them, and each report can join only one earthquake. The record shown is INGV's in and around Italy, the EMSC's in the rest of Europe and the Mediterranean, and the USGS's elsewhere.

Only earthquakes are kept: quarry blasts, explosions and events of unknown type are set aside and counted. Energy is estimated with the Gutenberg–Richter relation, 10^(1.5 M + 4.8) joules: each unit of magnitude multiplies the energy by about 31.6.

When to use it

  • Finding out whether the tremor you felt last night was an earthquake, where the epicentre was and what its magnitude was.
  • Following aftershocks after a large earthquake by switching from the 24-hour window to the 7-day window.
  • Checking a region's recent seismic activity before a trip, within a radius around the town you are going to.
  • Illustrating a science lesson: orders of magnitude of energy, the role of depth, a day of the world's earthquakes.
  • Comparing what the USGS, the EMSC and INGV publish for the same event, and understanding why their magnitudes differ.

Examples from the catalogues of 15 September 2026

On 15 September 2026 at 19:11 UTC, the previous 24 hours held 484 earthquakes after merging: 55 duplicates had been removed, 51 between the USGS and the EMSC and 4 between the EMSC and INGV, and 4 events set aside, including 2 quarry blasts and one explosion.

The strongest of those 24 hours was a magnitude 5.3 earthquake (Mww) off the coast of Michoacán, Mexico, on 14 September at 20:38 UTC, 10 km deep.

Of those 484 earthquakes, the record shown came from the EMSC for 235 (48.6%), from the USGS for 214 (44.2%) and from INGV for 35 (7.2%).

A magnitude 5 earthquake releases about 2.0 × 10¹² joules, the equivalent of 477 tonnes of TNT; at magnitude 6, 6.3 × 10¹³ joules, or 15.1 kilotonnes; at magnitude 7, 2.0 × 10¹⁵ joules, or 477 kilotonnes.

Limits to know

  • First magnitudes are often automatic and revised in the following hours, so a value can change from one reading to the next.
  • Agencies do not all measure the same magnitude (ML, mb, Mw…): two different values for the same earthquake are not a mistake.
  • Small earthquakes are only well detected where station networks are dense: the absence of a weak earthquake in a remote region does not prove there was none.
  • Beyond 24 hours small magnitudes are left out: M2.5 and above over 7 days, M4.5 and above over 30 days.
  • Place names are not translated: the USGS writes in English, INGV in Italian, and the EMSC uses the names of the Flinn–Engdahl regions.
  • A preferred region is a rectangle, not a border: INGV's record is also chosen in Switzerland, Austria, Slovenia or along the Croatian coast.
  • This is not a warning service: after a strong earthquake or when a tsunami is possible, follow the instructions of the authorities and the official warning centres.

Privacy

Browser, and a server for one feature

The page asks our server only for the window you chose, 24 hours, 7 days or 30 days; our server then reads the public catalogues of the USGS, the EMSC and INGV without passing on anything about you. The “Near a place” tab computes distances in your browser: your position is asked for only when you click “Use my location”, rounded to about 1 km, and never sent. The last town you picked stays in your browser's local storage (allin_tools), shared with the weather forecast and the sunrise calculator. The link to an event page on the USGS website opens that third-party site only when you click it. Nothing is logged, and usage measurement records that a list was shown or failed, never a place.

Frequently asked questions

Where do the earthquakes shown come from?

From three public catalogues: the USGS, whose data are in the public domain, and the EMSC and INGV, whose data are published under the CC BY 4.0 licence. OneKitly merges the duplicates and chooses which agency's record to show; it does not change magnitudes, depths or place names.

Why does the magnitude differ from one website to another?

Because there are several magnitude scales, computed from different waves and stations: local magnitude ML, body-wave magnitude mb, moment magnitude Mw. The first value published is often automatic and revised later. The list shows the value and the type of the agency selected, so the comparison stays readable.

How are duplicates detected?

Two reports are the same earthquake when they are less than one second and one kilometre apart, or at most 10 seconds and 50 kilometres apart with at most one unit of magnitude between them. Each report joins only one earthquake; these thresholds were checked on real pairs, and on nearby but distinct events that must stay separate.

What does the energy shown represent?

An estimate of the seismic energy radiated, from the Gutenberg–Richter relation, 10^(1.5 M + 4.8) joules, converted into tonnes of TNT at 4.184 × 10⁹ joules per tonne. It is not a measure of damage: that depends on depth, distance, the ground and buildings.

Why doesn't an earthquake I felt appear?

Agencies publish a few minutes after the event, and the page reads the list again every five minutes. Over 7 or 30 days, earthquakes below M2.5 or M4.5 are left out. And a weak, very local earthquake is sometimes recorded only by a national network that is not among the three sources.

Can the tool warn me of an earthquake or a tsunami?

No. It lists earthquakes that have already happened, as the agencies publish them, and nobody can predict an earthquake. For a tsunami or a local emergency, follow the official warning centres and the civil protection authorities of your country.

Does the tool know where I am?

Only if you click “Use my location” in the “Near a place” tab, and even then the position stays in your browser: it is rounded to about 1 km and used to compute distances locally. Our server only ever receives the time window you chose.

Why are place names in English or Italian?

Because each record is shown as its agency publishes it: the USGS writes in English, INGV in Italian, and the EMSC uses the Flinn–Engdahl regions. Translating them automatically would risk turning a precise location into a wrong one.

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