Basilan, Zamboanga Peninsula • 6.70°N, 121.97°E
Real-time earthquake tracking and seismic risk for Isabela City, Basilan — recent activity, nearby fault lines and volcanoes, and emergency contacts.
Seismic risk
29/100
moderate
Last 90 days
67
within 200 km
Last 24h
0
Largest
M3.7
Nearest fault
78 km
Cotabato Trench
Faults <150 km
1
Population
130,379
Seismic Risk Score: 29/100
78km from Cotabato Trench
MORO GULF, MINDANAO, PHILIPPINES
3 weeks ago • 10km deep
Energy: ~5 tons of TNT
65
Shallow (<70km)
Most damaging
2
Intermediate
70-300km
0
Deep (>300km)
Less damage
Shallow earthquakes (<70km) typically cause the most damage as seismic waves travel a shorter distance to the surface. Isabela City has experienced 65 shallow earthquakes in the past 90 days.
Largest recorded events within 250 km of Isabela City (USGS catalog, since 1900).
19 km WNW of Palimbang, Philippines
1976 • 232 km away • 33 km deep
61 km W of Bantogon, Philippines
2010 • 169 km away • 578 km deep
72 km S of Panubigan, Philippines
2010 • 143 km away • 641 km deep
Mindanao, Philippines
1955 • 169 km away • 35 km deep
68 km W of Gadung, Philippines
2010 • 159 km away • 607 km deep
12 km SSW of Kipit, Philippines
1942 • 150 km away • 35 km deep
106 km WSW of Sangay, Philippines
2024 • 148 km away • 640 km deep • 🌊 tsunami
138 km SW of Palimbang, Philippines
2005 • 218 km away • 525 km deep
69 km S of Tabiauan, Philippines
1999 • 145 km away • 33 km deep
34 km W of Gadung, Philippines
2003 • 192 km away • 566 km deep
23 km NNW of Kalawit, Philippines
1978 • 179 km away • 24 km deep
15 km SSE of Malim, Philippines
1978 • 182 km away • 33 km deep
Isabela City is located in the Zamboanga Peninsula of the Philippines, a country that sits on the Pacific Ring of Fire—one of the most seismically active zones on Earth. The Philippines experiences an average of 20 earthquakes per day, though most are too small to be felt.
The nearest major fault to Isabela City is the Cotabato Trench, located approximately 78 km away.
With a population of 130,379, earthquake preparedness is crucial for Isabela City residents. We recommend having an emergency kit ready, knowing the safest spots in your home, and practicing DROP-COVER-HOLD ON with your family.
FAQ
Isabela City, Basilan has a moderate earthquake risk (29/100 on QuakeGlobe's index), driven mainly by its proximity to the Cotabato Trench (~78 km away). Our catalog logged 67 earthquakes within 200 km in the last 90 days, the strongest a M3.7.
The nearest mapped fault to Isabela City is the Cotabato Trench, about 78 km away. It is considered capable of up to about M7.8.
The strongest earthquake catalogued near Isabela City since 1900 was a M7.9 in 1976 (19 km WNW of Palimbang, Philippines). Damaging earthquakes are infrequent, but the surrounding region is seismically active.
Drop, Cover, and Hold On: get under a sturdy table, protect your head and neck, and stay put until the shaking stops. Stay away from windows and exterior walls, and if you are near the coast and feel strong or prolonged shaking, move to higher ground in case of a tsunami. See the QuakeGlobe preparedness guide for a full checklist.