Gulf of California

The Gulf of California, also called the Sea of Cortez, is a large inlet of the eastern Pacific Ocean.

Gulf of California
Table of Contents

About Gulf of California:

  • The Gulf of California, also called the Sea of Cortez is a large inlet of the eastern Pacific Ocean along the northwestern coast of Mexico
  • It separates the mountainous Lower California Peninsula/Baja California Peninsula in the west from the states of Sonora and Sinaloa on the mainland of Mexico in the east.
  • Geography:
    • It covers an area of 160,000 sq. km and has a long coastline of approximately 4,000km. 
    • It is about 1,126km long and has a maximum width ranging between 48 to 241km. 
    • The Gulf is divided into two portions and is separated by a narrowing that is marked by the islands of Tiburón and Angel de la Guarda.
    • The northern portion is relatively shallow, with a mean depth of 180m, while the southern portion contains many depressions and the deepest of these depressions reaches a maximum depth of over 3,000m. 
    • The head of the gulf is dominated by the large Colorado River Delta through which the Colorado River drains into the Gulf.
    • The long coastline of the gulf is extremely irregular and forms numerous small bays. 
  • Geology: The Gulf of California was created around 5.3 million years ago due to the movement of tectonic plates that separated the Baja California Peninsula from the North American Plate. 
  • Islands:
    • There are about 37 major islands in the Gulf of California that is mostly located on its western side.
    • It is believed that these islands were created due to volcanic eruptions and several of these islands are home to volcanoes.
    • Some of the major islands include the Isla Ángel de la Guarda, Isla Tiburón, Islas Marías, Isla Partida, Islas San Francisco, Isla Coronados, etc.
  • Climate: Due to the presence of an uninterrupted chain of mountains on the Baja California Peninsula, the Gulf of California experiences a ‘continental’ climate rather than an ‘oceanic’ climate.

 


Q1) What is a Gulf?

The Gulf is a portion of the sea that is almost surrounded by land except one narrow opening. Gulfs are formed when a giant rock collapses or when a piece of land sinks. This causes a big indentation in the area, and the water eventually fills it up. Gulfs are also formed through a natural process of erosion.

Source: Earthquake of magnitude 6.4 jolts Gulf of California, no damage reported

Update Icon
Latest UPSC Exam 2026 Updates

Date IconLast updated on August, 2026

UPSC Mains 2026 will be conducted on 21st, 22nd, 23rd, 29th and 30th August 2026.

→ Check out the latest UPSC Syllabus 2026 here.

UPSC Mains Admit Card 2026 is expected to be released soon at upsc.gov.in or upsconline.nic.in

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2027 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Join Vajiram & Ravi’s UPSC Mentorship Program 2027 for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

→ Go through the UPSC Mains Previous Year Papers to enhance your preparation.

→ Download UPSC Mains Essay Paper 2025, UPSC Mains GS Paper-I 2025, UPSC Mains GS Paper-II 2025, UPSC Mains GS Paper-III 2025, UPSC Mains GS Paper-IV 2025, UPSC Mains English (Compulsory) Paper 2025, UPSC Mains Hindi (Qualifying) Paper 2025 here.

→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.

UPSC Calendar 2027 has been released.

→ Also check Best UPSC Coaching in India

UPSC GS Course 2026
UPSC GS Course 2026
₹1,80,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹85000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹27000
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹14000
Enroll Now
Enquire Now