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Park earthquake history

Review historical epicentre records, event magnitudes, and geological distance markers

Recorded Earthquake History and Seismic Data associated with the Kuhgrabensee Nature Reserve

This historical catalogue provides a structured record of earthquakes associated by proximity to the Kuhgrabensee nature reserve in Bremen. The collection draws on verified geological data to map seismic events documented in the surrounding region. Each entry includes specific details on event magnitude, depth, and epicentre coordinates, allowing for detailed observation of regional seismic activity patterns in relation to the park boundaries.

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lakenature reservequarrying lakegroundwater-fed lakebrackish influence
Explore Kuhgrabensee

A groundwater-fed former quarrying lake in Bremen, now protected for its birdlife, saline character, and pioneer habitats.

Kuhgrabensee

Kuhgrabensee is a lake and nature reserve situated in the far southeast of the Blockland district of Bremen, in northwestern Germany. The lake was excavated between 1970 and 1972 as part of construction work for the Bundesautobahn 27, and it has since been transformed from a working quarrying pit into a protected area. Since July 1987, the lake together with its surrounding shoreline has been formally designated as a 29.6 hectare nature reserve, making it one of the notable smaller protected areas within the Free Hanseatic City of Bremen. Ecologically, the lake is unusually interesting for an inland Bremen waterbody because it is fed by groundwater and shows a measurable influence from the nearby Lilienthal salt dome, giving the water a higher salinity than typical freshwater lakes in the region. Its water quality is classified as mesotrophic. These chemical and trophic conditions, combined with the shallow shore zones that were expanded in the late 1990s, support an unusual assemblage of aquatic plants, dragonflies, and amphibians, while the open water and reed fringes make the lake attractive for breeding waterbirds. The lake is also recognized at the European level. It is registered as an EU Bird Protection Area (europäisches Vogelschutzgebiet), reflecting its importance for nesting, resting, and feeding birds. Today Kuhgrabensee is valued less as a swimming destination and more as a quiet local site for birding, ecological study, and nature observation, accessible from paths along the Kuhgraben and the Mittelweg and from a small observation hut on its shore.

Location
Germany
Park type
Nature reserve
Established
1987
Area
0.3 km²
Kuhgrabensee Nature Reserve Geography

Search Kuhgrabensee earthquake events by depth and distance

Review the recorded earthquake catalogue around Kuhgrabensee

The Kuhgrabensee earthquake catalogue groups records by epicentre position and calculated distance from the protected site, without assuming boundary occurrence. Search dates, magnitudes, depths, reported places, distances, and cited records to examine the history without treating site characteristics as seismic causes, a present danger conclusion, or predictors.

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This page describes catalogued earthquakes associated with the park by epicentre location and distance. It does not establish causation, assess current danger, or predict future earthquakes.

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Park atlas

Move beyond Kuhgrabensee historical earthquake data in the atlas

Discover other protected destinations after Kuhgrabensee

After the Kuhgrabensee earthquake catalogue, a separate group of protected destinations opens new atlas routes. Their inclusion does not indicate common site designation, natural character, geology, recorded seismicity, proximity, hazard conditions, risk, or comparable supporting information.
A soft, painterly watercolor illustration depicting a winding river through a flat green meadow with rolling hills in the background.
Nature reserveBremen
0 km away#1 closest

East

Hollerland Nature Reserve: A Protected Cultural Landscape and Wetland in Bremen

Historic marshland terrain with unique saline spring ecosystems

Hollerland is a 293-hectare nature reserve in Bremen, Germany, notable for its well-preserved cultural landscape of wet grasslands and an intricate medieval ditch network. This protected area serves as a critical breeding ground for meadow birds and hosts an ecologically significant inland saline spring, providing a rare habitat for brackish-adapted plant communities deep within the regional landscape.

Area
2.93 km²
Established
1985
IUCN
IV
Relief
Lowland
Hollerland Nature Reserve Geography
A watercolor painting showing a serene landscape with calm water, small islands of trees, and rolling hills in the background.
Nature reserveBremen
About 0.4 km away#2 closest

Southwest

Am Stadtwaldsee (Uni-Wildnis) Nature Reserve: Geographic Atlas and Park Map Context

Protected secondary habitat landscape in Bremen, Germany

Located in Bremen, the Am Stadtwaldsee (Uni-Wildnis) nature reserve offers a compelling study of secondary ecological succession. The area features a dense concentration of ponds and wooded ground shaped by historical sand mining. Explore the mapped boundaries of this eleven-hectare refuge to understand its role in urban biodiversity and regional landscape conservation.

Area
0.114 km²
Established
1991
IUCN
IV
Am Stadtwaldsee (Uni-Wildnis) Nature Reserve Atlas
Nature reserveBremen
1.4 km away#3 closest

North

Untere Wümme Nature Reserve: Riverine Biodiversity and Protected Tidal Landscapes in Bremen

Protected floodplain geography and tidal river habitats.

This nature reserve protects the meandering lower course of the Wümme river, showcasing one of northern Germany's few freshwater tidal systems. Spanning reedbeds, willow forests, and open mudflats, the reserve forms a vital corridor for migratory fish and waterfowl, reflecting a complex mosaic of protected riverine ecosystems and historic meadow landscapes.

Area
1.485 km²
Established
1991
Relief
Lowland
Climate
Temperate
Untere Wümme Nature Reserve Atlas
A pale, soft-toned watercolor illustration of a calm river meandering through open, green marshy meadows with distant rolling hills under a soft pink sky.
Nature reserveBremen
3.3 km away#4 closest

East

Borgfelder Wümmewiesen: Protected Wetland and Floodplain Geography in Bremen

An expansive 688-hectare nature reserve with river-fed grasslands.

Borgfelder Wümmewiesen offers a look at one of the largest protected nature reserves in the Bremen region. The landscape is characterized by its flat, open terrain and regular water dynamics that frame a rich mosaic of wet meadows, reedbeds, and ponds, providing essential habitat for breeding and migratory bird species along the Wümme river corridor.

Area
6.88 km²
Established
1987
Relief
Lowland
Climate
Temperate
Borgfelder Wümmewiesen Nature Reserve Map
A watercolor painting showing a soft, panoramic view of a flat wetland area with green trees, a solitary tree in the middle, and industrial silos faintly visible in the background.
Nature reserveBremen
About 7.5 km away#5 closest

West

Hochwasserschutzpolder zwischen Senator-Apelt-Straße und Neustädter Hafen: Bremen Protected Lands

A vital wetland reserve integrating flood management and avian biodiversity in the port district.

Located within the port district of Bremen, the Hochwasserschutzpolder zwischen Senator-Apelt-Straße und Neustädter Hafen is a notable protected area that balances essential flood-control infrastructure with rich ecological functions. The reserve sustains a variety of wetland bird populations across its reed-lined waters and alluvial woodlands, providing a critical haven for wildlife amidst the surrounding industrial and urban development of the Lower Weser region.

Area
0.847 km²
Established
2014
IUCN
IV
Explore the Hochwasserschutzpolder zwischen Senator-Apelt-Straße und Neustädter Hafen
Nature reserveBremen
About 8.1 km away#6 closest

South

Vogelschutzgebiet Arsten-Habenhausen: Mapping the Protected Weser Floodplain Habitat

A historic urban nature reserve located in Bremen

Located in the Habenhausen district of Bremen, Vogelschutzgebiet Arsten-Habenhausen is a significant protected area focused on river floodplain maintenance. The site provides a concentrated view of floodplain woodland and reedbed vegetation, illustrating how small, long-established nature reserves contribute to the regional geography of the Weser river corridor in Germany.

Area
0.01 km²
Established
1950
IUCN
IV
Relief
Lowland
Vogelschutzgebiet Arsten-Habenhausen Nature Reserve
A horizontal watercolor painting showing a tranquil lake scene with green trees, low-lying hills in the distance, and grassy banks against a white background.
Nature reserveBremen
8.2 km away#7 closest

Northwest

Grambker Feldmarksee Nature Reserve: Mapping the Protected Landscapes of Bremen

A vital wetland sanctuary shaped by regional infrastructure and natural restoration

Grambker Feldmarksee offers a focused look at how post-industrial quarry sites evolve into ecologically dense nature reserves. This groundwater-fed lake in Bremen acts as a green island, showcasing mature woodland fringes and specialized wetland habitats that are integral to the local bird protection network.

Area
0.226 km²
Established
2009
Relief
Lowland
Climate
Temperate
Grambker Feldmarksee Nature Reserve Geography
Nature reserveLandkreis Osterholz
About 8.2 km away#8 closest

Northeast

Westliche Hälfte des Langen Moores Nature Reserve in Landkreis Osterholz

A protected mosaic of highmoor peatland geography

Examine the distinct ecological features of Westliche Hälfte des Langen Moores, a protected nature reserve in Landkreis Osterholz. This site offers a compact look at highmoor regeneration and the diverse plant communities found within the historic Teufelsmoor cultural landscape of northern Germany.

Area
0.11 km²
Established
1984
IUCN
IV
Westliche Hälfte des Langen Moores Geography
MoriAtlas Explorer

Explore the Geographic Boundaries and Landscape of Kuhgrabensee

Understand the ecological structure and mapped terrain of Kuhgrabensee with MoriAtlas. This resource provides a clear look at how this former quarry has become a key nature reserve and EU Bird Protection Area within the Bremen region, offering insights into its unique aquatic habitats and surrounding pastoral environment.

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Kuhgrabensee Nature Reserve Geography

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