ShakeMap (Calculated intensity of this earthquake near Dededo Village):

View ShakeMap, Epicenter and historical seismicity on interactive map

General data about this earthquake:

Time (UTC): 2022-08-10 05:36
Magnitude: 4.9
Depth: 40.0 km
Maximum intensity: 2.1 (EMS scale)

Given earthquake data might be preliminary (uncertain) until manual revision by a scientist is done.

Nearby places

City Country Intensity (EMS-98) Population Distance epicenter (km) Effects
Hagåtña GU 2.0 1000 241.1 barely felt
Agana Heights Village GU 2.0 4000 240.3 barely felt
Merizo Village GU 2.0 2000 220.3 barely felt
Mongmong-Toto-Maite Village GU 2.0 7000 243.5 barely felt
Chalan Pago-Ordot Village GU 2.0 7000 240.1 barely felt
Hagåtña Village GU 2.0 1000 241.7 barely felt
Guam Government House GU 2.0 no data available 240.9 barely felt
Santa Rita Village GU 2.0 8000 228.5 barely felt
Sinajana Village GU 2.0 3000 240.7 barely felt
Umatac Village GU 1.9 1000 221.9 not felt

Current earthquake activity near Dededo Village:

Due to lack of data no comparison with long-term trends is possible for this region.


Since 1960, 757 earthquakes larger than Magnitude 4.9 were detected in this region. This makes an average of 12.63 earthquakes larger than M4.9 per year around Dededo Village. Therefore, the general earthquake activity is usually very high and quakes of this size have an average recurrence time of approx. 1.0 months (30 days).

Largest earthquakes in this map section* (Dededo Village and nearby)

Date Magnitude Depth (km)
1993-8-8 7.8 59
2002-4-26 7.1 86
2001-10-12 7.0 37
2010-8-13 6.9 16
2008-5-9 6.8 76
2014-9-17 6.7 130
2010-8-14 6.6 13
1971-10-23 6.6 22
1971-10-24 6.5 25
1997-4-23 6.5 101

*Data: USGS (Magnitude 5 +, since 1960). See all historical earthquakes in the interactive map linked above.

What to do in case of an earthquake?

1. No panic.

2. If you are inside a building: Seek shelter under stable furniture (e.g. dining table). Be aware of falling objects. Do not flee the building! Falling roof tiles, bricks and glass can harm you. After the shaking stopped: Turn off the electronical devices. Check gas pipes for leaks. Check for structural damage. Leave your house if you are uncertain. In case of damage: Do not enter the building before professional savety check! Dangerous aftershocks might follow. Help your neighbours if necessary.
If outdoors: Keep away from buildings, try to find open space, crouch down and cover your head with your arms. Do not run on streets before checking for cars. Always watch your environment.

3. If you are near the coast: In case of strong or long-lasting shaking evacuate to higher grounds immediately! A tsunami might be possible. Do not wait for official warnings. In areas of high tsunami threat, follow the evacuation route signs but be aware of possible damaged buildings and landslides on your route. Once reaching a higher / save point, listen to official instructions and warnings.

4. If you are in the mountains or near a steep slope: Watch for rockfalls, landslides and avalanches. Get away from slopes immediately and protect your head with your arms.

5. Try to help people in need. Take special care for eldery people and children. After the earthquake stopped, confirm that your neighbours, friends and family are save. Help them, if necessary but do not get yourself into a dangerous situation. Call and wait for professional rescue teams.