M3.7 earthquake 78 km SSE of Ierápetra, Greece
A magnitude 3.7 earthquake struck 78 km SSE of Ierápetra, Greece on Tue, Apr 2, 1991, 5:21 AM GMT+3 (02:21 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 48 km SSE of Palekastro, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (Md, duration), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1991-04-02 02:21:18 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 34.348° N, 26.049° E
- Region
- Greece
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.648 km SSE of Palekastro, Greece · 12939 days ago · 20 km deep · 64 km away
- 4.150 km S of Palekastro, Greece · 12913 days ago · 5 km deep · 47 km away
- 4.0Crete, Greece · 12913 days ago · 52 km deep · 26 km away
- 3.5111 km SE of Ierápetra, Greece · 12913 days ago · 33 km deep · 42 km away
Before
- 4.841 km SSE of Palekastro, Greece · 12983 days ago · 22 km deep · 62 km away
- 4.247 km SSE of Palekastro, Greece · 12983 days ago · 33 km deep · 55 km away
- 5.642 km S of Palekastro, Greece · 12983 days ago · 23 km deep · 59 km away
- 3.954 km S of Fry, Greece · 12985 days ago · 10 km deep · 99 km away
- 5.294 km SE of Ierápetra, Greece · 12987 days ago · 7 km deep · 31 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0004pv1. Read Sun, Oct 4, 2026, 9:00 AM UTC.