• Sunday, 06 April 2025

Benarkah Gempa Bawean Jawa Timur Tidak Lazim? Ini Faktanya

Benarkah Gempa Bawean Jawa Timur Tidak Lazim? Ini Faktanya
Warga membersihkan puing-puing bangunan rumah yang rusak akibat gempa di Desa Suwari, Sangkapura, Pulau Bawean, Gresik, Jawa Timur, Minggu (24/3). Foto: ANTARA

SEAToday.com, Jakarta-Gempa yang baru saja terjadi di Pulau Bawean, Jawa Timur yang berkekuatan 5,9 dan 6,5 SR pada Jumat (22/3/2024) dianggap tidak lazim. Badan Meteorologi, Klimatologi, dan Geofisika (BMKG) mengungkapkan fakta gempa Bawean sebagai berikut.

Dilansir dari ANTARA, Kepala Pusat Gempa Bumi dan Tsunami BMKG, Daryono menjelaskan masyarakat awam menilai gempa Bawean sebagai “gempa tidak lazim” karena terjadi di wilayah yang jarang terjadi gempa dangkal.

Menurut Daryono, wilayah Laut Jawa lazimnya menjadi episenter gempa hiposenter dalam, akibat deformasi slab Lempeng Indo-Australia yang tersubduksi di bawah Lempeng Eurasia, tepatnya di bawah Laut Jawa dengan kedalaman sekitar 500-600 km.

Gempa Bawean membuktikan bahwa ternyata jalur sesar di Laut Jawa masih aktif sekaligus menjadi pengingat bagi masyarakat untuk selalu waspada terhadap keberadaan sesar aktif dasar laut yang jalurnya dekat Pulau Bawean.

Gempa Bawean memberi pelajaran penting bahwa ancaman gempa merusak di Jawa Timur tidak hanya berasal dari selatan, tetapi juga dari sumber-sumber gempa di Laut Jawa di utara Jawa Timur. (ANNISA/DKD)

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