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المرصد الرياضية

شاهد: خبير جيولوجي يفاجئ مذيع بشأن الزلازل في المملكة ويحدد المكان الأكثر عرضة للنشاط الزلزالي

شاهد: خبير جيولوجي يفاجئ مذيع بشأن الزلازل في المملكة ويحدد المكان الأكثر عرضة للنشاط الزلزالي
1 سنة 0 506
صحيفة المرصد: رد رئيس الجمعية السعودية لعلوم الأرض، الدكتور عبدالله العمري، على سؤال بشأن.. هل يحدث زلزال في الرياض؟

كل يوم في هزات

وقال العمري، خلال لقاء في إذاعة "ثمانية": "كل يوم يومين توجد هزات، خصوصاً قرب "سد وادي بيش" أكبر سد في المملكة".

وأضاف: "توجد هزات عن طريق "الموية"، إذا سحبت بكميات هائلة، أو رحت الشرقية وسحبت بترول بكميات هائلة، تتخلخل الطبقات اللي تحت ويحصل انهيار وتسجل على شكل هزات، وتسجل 3 درجات".

السدود

وتابع: "السدود بقدر مالها إيجابيات لها سلبيات، لأن ضغط "الموية" ثقيل، وإذا دخل في الصخور يبدأ يضغط على التشققات، وتبدأ الأرض ترتج وتهتز على شكل هزات، توصل إلى 4 درجات ونصف، ونقدر نسميها زلزال".

وأشار: "إلى أننا نوصل أحيانا إلى 4 أو 5 درجات بعد إنشاء السد، فين ومركزه فين "تحت في منطقة السد" لأن ثقل "الموية" داخل السد يحدث ضغط رهيب لذلك يجب تفريغه".

تقنين

واختتم: "بمعني، يجب أن تحدث عملية تقنين، لأن السد لازم إذا امتلأ، يتفرغ ليخفف الضغط، وإذا ما انتبهت لذلك، تضغط "الموية" على الفجوات بأي شكل من الأشكال اللي تحتها، وثقل الأرض تحت وتضعف، وإذا ضعفت تتحرك بالساتي ، وتسجل هزات توصل إلى 4 درجات".


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التعليقات مغلقة

MessagesRequestTimelineExceptionsViews9Queries12Models2Livewire0MailsGate
SettingsRequest history311msRequest Duration47MBMemory Usage10.x
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