United Arab Emirates
United Arab Emirates terletak di Asia dan memiliki klasifikasi risiko seismik Low. Total 5 gempa bumi telah tercatat di negara ini. Gempa bumi terbesar yang tercatat di negara ini mencapai magnitudo 4,6. Dengan populasi 11.294.243 dan luas daratan 83.600 km², peristiwa seismik dapat memiliki implikasi signifikan terhadap infrastruktur dan keselamatan publik.
Tinjauan Seismik
The United Arab Emirates occupies the southeastern corner of the Arabian Peninsula, bordered by the Persian Gulf to the west and the Gulf of Oman and Hajar Mountains to the northeast. Like most of the Arabian Peninsula interior, the UAE sits on the stable Arabian Platform — an ancient craton that has not been deformed by active plate collision for hundreds of millions of years. The principal seismic hazard in the UAE comes not from local faults but from distant sources: the Makran [[subduction-zone]] to the northeast in Pakistan and Iran, which is capable of generating magnitude 8+ earthquakes and associated [[tsunami]]s, and from the Zagros fold belt in Iran across the Gulf.
The UAE's earthquake record shows that the country has experienced only minor local seismicity. The Hajar Mountains in the northeast Emirate of Fujairah and Ras Al Khaimah represent an obducted ophiolite complex from the Tethys Ocean, similar to Oman's Semail Ophiolite, and some residual fault activity remains along its margins. The 2002 Gulf of Oman earthquake (magnitude 5.6) caused minor felt effects in the UAE. The construction of high-rise buildings in Dubai and Abu Dhabi has raised awareness of long-period [[seismic-wave]] amplification effects from distant Zagros earthquakes. The 2013 Gulf earthquake sequence caused building evacuations in Dubai. The most significant seismic planning concern for the UAE is the Makran subduction zone — the 1945 Makran earthquake generated tsunami waves that reportedly reached Muscat, and similar waves could strike UAE coastlines with limited warning time.
The geological foundation of the UAE consists of Tertiary limestone, sandstone, and evaporite sequences underlain by the thick sedimentary cover of the Arabian Platform. Sand dunes and sabkha (salt flat) deposits cover much of the desert interior. The gentle anticlines that trap the UAE's oil and gas reserves are ancient structural features unrelated to active tectonics. Building codes in the UAE have progressively incorporated seismic design requirements in recognition of the Makran [[subduction-zone]] hazard, and tsunami evacuation planning for the eastern (Gulf of Oman) coast has been developed in coordination with Oman and Pakistan. The primary focus of seismic risk management in the UAE is thus the indirect hazard from distant megathrust events rather than the direct hazard from local fault rupture.
Gempa Terbaru
| Mag. | Lokasi | Waktu |
|---|---|---|
| 4,2 | 60 km NE of Bandar Abbas, Iran | 2 minggu, 3 hari lalu |
Earthquakes Near Major Cities in United Arab Emirates
Pertanyaan yang Sering Diajukan
United Arab Emirates has a low level of seismic activity. Large earthquakes are infrequent but not impossible. A total of 5 earthquakes have been recorded in United Arab Emirates's seismic history.
The largest recorded earthquake in United Arab Emirates had a magnitude of 4.6. Earthquakes of this size can cause significant damage depending on depth, location, and local building standards.
United Arab Emirates has had 5 recorded earthquakes. This count includes events of all magnitudes detected by seismic monitoring networks. The actual number of earthquakes may be higher, as smaller events can go undetected.
United Arab Emirates is classified in the "Low" seismic zone, located in Asia. Seismic zones indicate the relative level of earthquake hazard based on historical activity, geological conditions, and proximity to tectonic plate boundaries.
Selama gempa bumi, Merunduk, Berlindung, dan Bertahan. Berlindung di bawah meja atau meja yang kokoh, lindungi kepala dan leher Anda, dan bertahan hingga guncangan berhenti. Jika di luar ruangan, pindah ke area terbuka jauh dari bangunan dan kabel listrik.
Risiko gempa bumi suatu negara dinilai menggunakan beberapa faktor: kedekatan dengan batas lempeng tektonik, seismisitas historis (frekuensi dan magnitudo kejadian masa lalu), kondisi geologi, kepadatan penduduk di zona seismik, dan penegakan standar bangunan. QuakeFYI menetapkan zona seismik dari 0 (tanpa risiko) hingga 4 (sangat tinggi) berdasarkan faktor-faktor tersebut.
Zona seismik adalah wilayah geografis yang diklasifikasikan berdasarkan tingkat bahaya gempa bumi. Zona 0 memiliki risiko yang dapat diabaikan, Zona 1 memiliki risiko rendah, Zona 2 memiliki risiko sedang, Zona 3 memiliki risiko tinggi, dan Zona 4 memiliki risiko sangat tinggi. Zona-zona ini ditentukan oleh data gempa bumi historis, kondisi tektonik, dan kondisi geologi.
Negara-negara di sepanjang Cincin Api Pasifik mengalami gempa bumi paling banyak. Jepang, Indonesia, Chili, Filipina, dan Iran secara konsisten mencatat aktivitas seismik tertinggi. Amerika Serikat (terutama Alaska dan California), Turki, dan Meksiko juga termasuk negara-negara dengan aktivitas seismik tertinggi.
Kepadatan penduduk memperbesar risiko gempa bumi karena lebih banyak orang dan infrastruktur yang terpapar potensi kerusakan. Gempa bumi magnitudo 7,0 di kota yang padat penduduknya dapat menyebabkan ribuan korban, sementara kejadian yang sama di area tak berpenghuni mungkin tidak menyebabkan korban. Standar bangunan dan kesiapsiagaan darurat sangat mengurangi risiko di area padat penduduk.
Kepadatan seismik mengukur konsentrasi aktivitas gempa bumi relatif terhadap luas daratan suatu negara, dinyatakan sebagai gempa bumi per 1.000 kilometer persegi. Kepadatan seismik yang tinggi menunjukkan aktivitas gempa bumi yang sering per satuan luas, membantu membandingkan risiko seismik antara negara-negara dengan ukuran berbeda.