Quakes
Earthquake magnitude 5.5 (mwc) in 46.453N 027.505W, depth 10 km at 231407Z oct 97
Northern Mid-atlantic Ridge · USGS-USP00089GP
- issued
- 1997-10-23 14:07Z
- status
- cancelled 1997-10-26 14:07Z
- self-cancels
- 1997-10-26 14:07Z
- authority
- USGS NEIC
- sea
- North Atlantic Ocean
- position
- 46.453, -27.505
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
NORTHERN MID-ATLANTIC RIDGE. 1. EARTHQUAKE MAGNITUDE 5.5 (MWC) IN 46.453N 027.505W, DEPTH 10 KM AT 231407Z OCT 97. 2. USGS EVENT USP00089GP. https://earthquake.usgs.gov/earthquakes/eventpage/usp00089gp
This area · earthquake & tsunami bulletins
9 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
97
00
05
10
15
20
23
- Earthquake magnitude 5.6 (mww) in 44.955N 028.050W, depth 10 km at 232148Z jun 232023-06-23
- Earthquake magnitude 5.9 (mww) in 43.696N 028.809W, depth 10 km at 282301Z mar 212021-03-28
- Earthquake magnitude 5.7 (mww) in 47.296N 027.279W, depth 8 km at 200149Z mar 212021-03-20
- Earthquake magnitude 5.5 (mwc) in 45.010N 027.837W, depth 10 km at 232341Z may 142014-05-23
- Earthquake magnitude 5.9 (mwb) in 47.006N 027.290W, depth 5 km at 190831Z dec 082008-12-19
- Earthquake magnitude 5.5 (mwb) in 43.741N 028.922W, depth 10 km at 271440Z aug 032003-08-27
Season · when earthquake & tsunami bulletins happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
5 earthquake & tsunami bulletins in force · see all
Quakes
Undersea earthquakes of magnitude 5.5 and above (USGS) and the tsunami bulletins NAVAREA coordinators relay. All current earthquake & tsunami bulletins →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.