Data Web on Island Environment and Protection (DWIEP)

Coastal and Oceanic Island Database of India

Unnamed Islets

Geography
Island code

INAP018


Name of the island

Unnamed Islets


Island note

The island is located off the coast of Yanam, Puducherry UT. The nearest villages are Gadimoga and Bairava Lanka.

Yanam town is built on the spot where the rivers of Godavari and Koringa separate and is bounded on the east and south by either of the rivers.


Type of island

Continental Island


State / UT

Puducherry (UT)


Location

Bay of Bengal  (Island is located off the coast of Yanam, Puducherry UT)


Geographical coordinates

16°43'22.80" N
82°18'11.88" E


Area

1.65 sq.km


Area range

Less than 2 sq.km


Climate

The island is located near Gadimoga, East Godavari district.

The climate of Gadimoga is categorized as 'Aw', i.e., tropical savannah according to Köppen-Geiger system of climate classification. The annual average temperature is 27.8°C, May the warmest month at 32.2°C and January the coldest month at 23.1°C. The annual rainfall is 1075 mm with the highest precipitation of 286 mm in October. (Source: climate-data.org)


Terrain

Low lying water logged area


Elevation / Altitude

1.0 m


Soil type

Clayey, deltaic alluvial, coastal sandy and lateritic soil (Yanam district)


Fresh water sources

Dug well, tube/bore well, tanks/ponds and canals (Yanam district)


Hydrology

Water bearing formations are sandstones and alluvium. Water table during pre-monsoon is between 1.02 to 20.55 mbgl while the post -monsoon level varies between 0.28 to 6.28 mbgl (East Godavari district).

Demography
Habitation

Uninhabited


Population

Nil


Language

Not applicable


Religion

Not applicable


Ethnic groups

Not applicable


Traditional knowledge

Not applicable

Shoreline Characteristics
Coastline / Shoreline

5.6 km


Tidal amplitude

1.1 m


Bathymetry

Less than 3.0 m

Infrastructure and Communication
Infrastructure

No information available


Communication

Telephone system - mobile cellular
Broadcast media - internet

Transportation
Transport

The island can be raached by boat from Bhairavapalem village


Nearest Port / Jetty / Harbour

Kakinada Port


Distance to nearest Port / Jetty / Harbour

28 km from Kakinada Port


Shortest distance from mainland

1.5 km from Bhairavaplaem village


Nearest Airport

68 km from Rajamundry Airport

Activities
Agriculture

No


Commercial activity

No information available


Industries

Nil

Tourism
Tourist places

No information available


Tourism activity

No information available

Biodiversity and Conservation
Flora

Mangrove with associates and other species


Fauna

Crustaceans, molluscs, fishes and sea birds


Medicinal plants

No information available


Type of forest

Littoral forest


Endangered species


Flagship species


Keystone species


Conservation status
(Protected / Unprotected with ESA /
Unprotected without ESA)
Protected under Bhairavaplaem Reserve Forest

Sanctuary

No


Ecological Sensitive Areas (ESAs)

Mangrove and mudflat


Hazards
Natural hazards

Cyclone and flood


Seismic sensitivity

As per the Seismic Zone Map of India, this region is categorised under the Moderate Damage Risk Zone III (MSK VII). (Source: NDMA, 2016)


High Flood Line (HFL) / Tsunami

The island comes under the Very High Damage Risk Zone-B (Vb=50m/s) as per the Wind and Cyclone Vulnerability map of India.

The probable maximum surge height of this region is 4.5 to 5.5 m based on the Flood hazard map of India.
(Source: NDMA, 2016)

Environmental Issues
Environment-current issues

Coastal pollution, seawater intrusion into coastal aquifers