Greece earthquakes

M3.7 earthquake 21 km SSE of Palaióchora, Greece

A magnitude 3.7 earthquake struck 21 km SSE of Palaióchora, Greece on Mon, Mar 31, 2003, 1:41 AM GMT+3 (22:41 UTC), 76 km (47 mi) below the surface.

A larger quake followed: M4.2 34 km S of Kastrí, Greece. This one was a foreshock.

Chaniá forecastMore in Greece

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.7 (Md, duration), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2003-03-30 22:41:20 UTC
Depth
76.4 km (47.5 mi), intermediate-depth
Epicenter
35.058° N, 23.783° E
Region
Greece
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

no people dead or missing; no people injured; no buildings damaged or destroyed

From the USGS event page for usp000btz3. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Station coverage gap
229°, poorly surrounded by stations
Stations used
22

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 3.817 km SSE of Kastrí, Greece · 8583 days ago · 15 km deep · 54 km away
  2. 3.5Crete, Greece · 8582 days ago · 13 km deep · 62 km away
  3. 3.543 km W of Kíssamos, Greece · 8579 days ago · 22 km deep · 71 km away
  4. 3.444 km NNW of Kolympári, Greece · 8575 days ago · 27 km deep · 98 km away
  5. 4.234 km S of Kastrí, Greece · 8573 days ago · 10 km deep · 67 km away
  6. 3.613 km SE of Chóra Sfakíon, Greece · 8571 days ago · 13 km deep · 44 km away
  7. 3.911 km SSW of Tympáki, Greece · 8567 days ago · 10 km deep · 87 km away
  8. 3.322 km W of Kíssamos, Greece · 8566 days ago · 33 km deep · 59 km away
  9. 3.235 km NNW of Mouzourás, Greece · 8557 days ago · 4 km deep · 92 km away
  10. 3.224 km WSW of Chóra Sfakíon, Greece · 8546 days ago · 28 km deep · 12 km away
  11. 3.86 km NW of Agía Marína, Greece · 8546 days ago · 12 km deep · 57 km away
  12. 4.265 km SSW of Kastrí, Greece · 8538 days ago · 33 km deep · 87 km away

Before

  1. 3.68 km S of Chóra Sfakíon, Greece · 8588 days ago · 37 km deep · 34 km away
  2. 3.732 km WNW of Kíssamos, Greece · 8589 days ago · 6 km deep · 72 km away
  3. 3.330 km SW of Kastrí, Greece · 8590 days ago · 20 km deep · 49 km away
  4. 3.76 km ENE of Kastrí, Greece · 8603 days ago · 5 km deep · 40 km away
  5. 3.75 km NE of Tympáki, Greece · 8610 days ago · 27 km deep · 94 km away
  6. 4.719 km SW of Kastrí, Greece · 8616 days ago · 33 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000btz3. Read Fri, Oct 2, 2026, 6:12 AM UTC.