… · … · Reviewed
central Mid-Atlantic Ridge
St. Helena
The source issued a tsunami notice. Follow local authorities.
How long it took to reach you
Turn on your location to time the wave.
Why it shakes here
10 km deep. Without your location we do not estimate how it felt where you are.
How each agency measured it
- USGSM6.8
- USGSM6.9
Distance
—
Shaking
Not felt
estimate
Depth
10 km
shallow
Aftershocks in this sequence
0
100 km · 14 d
Lat / Lon
-0.402, -19.415
UTC 12:23:07
What should I do now?
The source issued a tsunami notice. Follow local authorities.
What happened
Magnitude 6.9 earthquake, central Mid-Atlantic Ridge (St. Helena), 10 km deep. It happened 2 hours ago (…).
Turn on your location to see how it may have felt where you are.
What to do
- 1If it shakes again: drop, cover and hold on.
- 2If you smell gas, shut the valve and leave without switching on lights.
- 3Stay away from damaged walls, glass and fallen cables.
- 4On the coast, if it was long or strong, go to high ground now.
- 5Use text messages so emergency lines stay free.
Aftershocks: they may occur over the next 14 days within about 100 km. Nobody can predict them.
Emergency numbers in St. Helena
Call emergency services only for a life-threatening emergency or trapped people. To tell your family, send a message.
The main quake and its aftershocks
We count as an aftershock anything within 14 days and 100 km. We do not forecast aftershocks. If USGS publishes one, we link it.
Did you feel it?
One tap, no account. It helps map how far it was felt.
No answers yet. Be the first.
Comments0
Where were you and what was it like?
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Aftershocks in this sequence
0No aftershocks recorded yet. If any appear, they show up here right away.
Other quakes in the area
0No earthquakes recorded in this area in the last 7 days.