4.5

M4.5 Earthquake 125 km SSE of Kastrí, Greece — June 17, 2020

2020-06-17 23:50:01 UTC (2020-06-17) · approx. 1:50 AM UTC+2 local

MagnitudeM4.5(mb)
Time23:50 UTC≈ 1:50 AM UTC+2
Depth27.5 kmshallow crustal
Coordinates33.746°, 24.468°
Felt byNo felt reports
Status✓ Reviewed by USGS

On June 17, 2020 at 23:50 UTC, a magnitude 4.5 shallow crustal earthquake struck 125 km SSE of Kastrí, Greece, at a depth of 27.5 km and coordinates 33.7464°, 24.4684°.

Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — 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 33.75°, 24.47°

Earthquake Details

Magnitude
4.5 mb
Depth
27.5 km
shallow crustal
Location
33.7464°N
24.4684°E

Technical Information

Event ID
us6000adup
Event Type
earthquake
Status
✓ Reviewed
Significance
312
Azimuthal Gap
65.0°
Min Station Distance
1.576°
RMS Residual
0.72 sec
Last Updated
2020-08-30 00:00:42 UTC

Common Questions

How strong was the magnitude 4.5 earthquake near Kastrí, Greece?

The magnitude 4.5 earthquake that struck 125 km SSE of Kastrí, Greece on June 17, 2020 at 23:50 UTC had a depth of 27.5 km. For context, this was a light earthquake commonly felt near the epicenter.

Where did the earthquake occur?

The earthquake epicenter was located at 33.7464°, 24.4684°, which is 125 km SSE of Kastrí, Greece. View all earthquakes in Greece.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days 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 4.5 event is significantly smaller than that historical record.

Authoritative source: USGS event page (event ID: us6000adup). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2020, June 17, 2020). M4.5 Earthquake 125 km SSE of Kastrí, Greece — June 17, 2020. Retrieved August 30, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000adup/