5.1

M5.1 Earthquake 43 km N of Palekastro, Greece — October 12, 2020

2020-10-12 00:30:39 UTC (2020-10-12) · approx. 2:30 AM UTC+2 local

Felt by 5 people across nearby locations.

MagnitudeM5.1(mww)
Time00:30 UTC≈ 2:30 AM UTC+2
Depth10.0 kmshallow crustal
Coordinates35.586°, 26.244°
Felt by5DYFI responses
Status✓ Reviewed by USGS

On October 12, 2020 at 00:30 UTC, a magnitude 5.1 shallow crustal earthquake struck 43 km N of Palekastro, Greece, at a depth of 10.0 km and coordinates 35.5856°, 26.2443°.

Physical scale: An earthquake of magnitude 5.1 releases seismic energy equivalent to roughly 674 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.0 km — a useful intuition for the size of the slip patch on the fault.

The epicenter is located in Greece, a region characterized by the Hellenic subduction zone, where the African Plate subducts northward beneath the Aegean at roughly 35 mm per year. The nearest mapped fault system is the Hellenic Trench. View all earthquakes in Greece.

Learn more: Magnitude scale · Aftershock sequences

Map showing earthquake epicenter at 35.59°, 26.24°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 5 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.

USGS DYFI community-reported intensity map for the M5.1 earthquake near 43 km N of Palekastro, Greece

Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report

Earthquake Details

Magnitude
5.1 mww
Depth
10.0 km
shallow crustal
Location
35.5856°N
26.2443°E
Felt Reports
5
DYFI responses
Community Intensity
3.8
CDI from reports

Technical Information

Event ID
us6000c7m8
Event Type
earthquake
Status
✓ Reviewed
Significance
402
Azimuthal Gap
44.0°
Min Station Distance
0.748°
RMS Residual
0.83 sec
Last Updated
2025-12-22 18:43:37 UTC

Common Questions

How strong was the magnitude 5.1 earthquake near Palekastro, Greece?

The magnitude 5.1 earthquake that struck 43 km N of Palekastro, Greece on October 12, 2020 at 00:30 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.

Where did the earthquake occur?

The earthquake epicenter was located at 35.5856°, 26.2443°, which is 43 km N of Palekastro, Greece. View all earthquakes in Greece.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.1 earthquakes can continue for days to weeks and gradually diminish over time.

Has Greece had earthquakes this big before?

The largest recorded earthquake in Greece was the M8.5 Crete earthquake of June 29, 1303. Today's magnitude 5.1 event is significantly smaller than that historical record.

Authoritative source: USGS event page (event ID: us6000c7m8). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2020, October 12, 2020). M5.1 Earthquake 43 km N of Palekastro, Greece — October 12, 2020. Retrieved December 22, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000c7m8/