Three quick quakes rattle gulf of Nicoya neighbors

That seismic area at the mouth of the gulf of Nicoya was restless again early Monday. Three moderate quakes took place there within 27 minutes.

The area is between Jacó on the central Pacific coast and the tip of the Nicoya peninsula.

The first quake, estimated at 3.0 took place at 3:20 a.m. A minute later a second quake took place. It, too, was estimated at 3.0 magnitude.

A quake at 3:47 a.m. in the same area had a magnitude estimated at 3.1. It was in the middle of the mouth of the gulf of Nicoya some 22.6 kilometers (14 miles) west of Jacó and 27.2 kilometers (17 miles) east of Montezuma on the Nicoya peninsula, according to the Laboratorio de Ingeniería Sísmica at the Universidad de Costa Rica.

The quakes were felt the strongest in Jacó, the Laboratorio said.

The estimated depths were from 17.3 to 9.8 kilometers, some 11 to 6 miles. This is the same area where stronger quakes have taken place in the past.

Two quakes with a magnitude of 4.0 took place in the same area in June. The Red Sismológica Nacional at the same university said that there were 15 quakes in June that were strong enough to be felt by humans. The country has an average of 12 such quakes a month, the Red Sismológica said.

In June further to the south in Panamá there were quakes with magnitudes of 6.0 and 5.7, the Red Sismológica noted.

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