Quakes
Earthquake magnitude 5.7 (mwc) in 8.069N 038.026W, depth 10 km at 170403Z dec 99
Central Mid-atlantic Ridge · USGS-USP0009JXX
- issued
- 1999-12-17 04:03Z
- status
- cancelled 1999-12-20 04:03Z
- self-cancels
- 1999-12-20 04:03Z
- authority
- USGS NEIC
- sea
- North Atlantic Ocean
- position
- 8.069, -38.026
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
CENTRAL MID-ATLANTIC RIDGE. 1. EARTHQUAKE MAGNITUDE 5.7 (MWC) IN 8.069N 038.026W, DEPTH 10 KM AT 170403Z DEC 99. 2. USGS EVENT USP0009JXX. https://earthquake.usgs.gov/earthquakes/eventpage/usp0009jxx
This area · earthquake & tsunami bulletins
17 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
25
- Earthquake magnitude 5.6 (mww) in 7.266N 035.456W, depth 10 km at 141902Z jan 252025-01-14
- Earthquake magnitude 5.5 (mww) in 7.466N 036.700W, depth 10 km at 140829Z oct 232023-10-14
- Earthquake magnitude 5.7 (mww) in 7.783N 037.093W, depth 10 km at 170300Z sep 202020-09-17
- Earthquake magnitude 6.7 (mww) in 7.683N 037.154W, depth 10 km at 060651Z sep 202020-09-06
- Earthquake magnitude 5.5 (mww) in 7.321N 035.404W, depth 10 km at 131344Z nov 192019-11-13
- Earthquake magnitude 5.5 (mww) in 7.530N 037.098W, depth 10 km at 231235Z mar 192019-03-23
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
Timeline · 2 messages since 1999-12-17 · closed 1999-12-20
- Earthquake magnitude 5.5 (mwc) in 7.982N 037.968W, depth 10 km at 170400Z dec 991999-12-17 → 1999-12-20
- Earthquake magnitude 5.7 (mwc) in 8.069N 038.026W, depth 10 km at 170403Z dec 99 this message1999-12-17 → 1999-12-20
joined by proximity
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.