M6.4 Earthquake Hits Pacitan: No Tsunami Threat - BMKG Update

A magnitude 6.4 earthquake struck southeast of Pacitan, East Java, Indonesia, on Friday, February 6, 2026, at 01:06:10 Western Indonesian Time (WIB). The Indonesian Agency for Meteorology, Climatology, and Geophysics (BMKG) has stated that the earthquake did not pose a tsunami risk.

Earthquake Details

According to official BMKG data, the epicenter of the 6.4 magnitude earthquake was located at 8.99 degrees South Latitude and 111.18 degrees East Longitude, approximately 90 kilometers southeast of Pacitan, East Java. The earthquake’s depth was 10 kilometers, classifying it as a shallow earthquake, as these occur less than 60 kilometers below the surface.

Aftershocks Recorded

Following the initial quake, BMKG recorded a first aftershock at 01:11:11 WIB, measuring a magnitude of 3.7. Its epicenter was located at 8.83 degrees South Latitude and 111.23 degrees East Longitude, around 73 kilometers southeast of Pacitan, East Java, at a depth of 19 kilometers.

A second aftershock followed at 01:16:34 WIB, registering a magnitude of 2.8. This aftershock’s location was pinpointed at 8.89 degrees South Latitude and 111.15 degrees East Longitude, approximately 79 kilometers southeast of Pacitan, East Java, with a depth of 18 kilometers.

Did You Know? The initial earthquake occurred at a depth of only 10 kilometers, making it a shallow event.

All recorded seismic activity occurred in the waters southeast of Pacitan. BMKG continues to provide updated earthquake parameters and encourages the public to monitor official BMKG channels for further seismic activity in the region.

Expert Insight: The sequence of a larger earthquake followed by aftershocks is a common pattern. While the initial quake poses an immediate threat, continued monitoring for further aftershocks is crucial to assess the ongoing seismic risk to the region.

Frequently Asked Questions

What was the magnitude of the initial earthquake?

The initial earthquake had a magnitude of 6.4.

Was there a tsunami warning issued?

No, BMKG confirmed that the earthquake did not have the potential to cause a tsunami.

Where were the aftershocks located?

The aftershocks were located in the waters southeast of Pacitan, East Java.

How might residents best prepare for potential future seismic events in this region?

M6.4 Earthquake Hits Pacitan: No Tsunami Threat – BMKG Update