Philippines earthquakes

M5.6 earthquake 13 km WNW of Busilak, Philippines

A magnitude 5.6 earthquake struck 13 km WNW of Busilak, Philippines on Wed, Jul 18, 1990, 5:00 PM GMT+9 (08:00 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M5.8 8 km WNW of Salinas, Philippines. This one was a foreshock.

Bayombong forecast More in Philippines

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude: 5.6 (mw), moderate
Local time: Wed, Jul 18, 1990, 5:00 PM GMT+9
UTC: 1990-07-18 08:00:12 UTC
Depth: 13.5 km (8.4 mi), shallow
Epicenter: 16.511° N, 121.007° E
Region: Philippines
Strongest shaking: VI, strong shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: VI, strong shaking
Peak ground acceleration: 23.3% of gravity
Peak ground velocity: 2.7 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.5 and up: 65 in the 60 days after this one and 110 in the 30 days before it.

After

The first 60 of 65.

Before

Earthquakes today Philippines earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004c4m (also filed as gcmtb071890b, gcmt19900718080013, iscgem363172, atlas19900718080012). Read Thu, Sep 24, 2026, 8:02 AM UTC.