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closed Sea and Lake Ice closed 2018-02-28
| Date | Type | Magnitude |
|---|---|---|
| 2011-08-30T00:00:00Z | Point | — |
| 2013-03-04T00:00:00Z | Point | — |
| 2013-03-05T00:00:00Z | Point | — |
| 2016-02-21T00:00:00Z | Point | — |
| 2016-02-24T00:00:00Z | Point | — |
| 2016-02-27T00:00:00Z | Point | — |
| 2016-03-02T00:00:00Z | Point | — |
| 2016-03-05T00:00:00Z | Point | — |
| 2016-03-12T00:00:00Z | Point | — |
| 2016-03-17T00:00:00Z | Point | — |
| 2016-03-19T00:00:00Z | Point | — |
| 2016-03-22T00:00:00Z | Point | — |
| 2016-03-30T00:00:00Z | Point | — |
| 2016-04-05T00:00:00Z | Point | — |
| 2017-01-13T00:00:00Z | Point | — |
| 2017-04-21T00:00:00Z | Point | — |
| 2017-05-19T00:00:00Z | Point | — |
| 2017-06-23T00:00:00Z | Point | — |
| 2017-07-07T00:00:00Z | Point | — |
| 2017-07-21T00:00:00Z | Point | — |
| 2017-08-04T00:00:00Z | Point | — |
| 2017-08-25T00:00:00Z | Point | — |
| 2017-09-01T00:00:00Z | Point | — |
| 2017-09-22T00:00:00Z | Point | — |
| 2017-09-29T00:00:00Z | Point | — |
| 2017-10-13T00:00:00Z | Point | — |
| 2017-11-17T00:00:00Z | Point | — |
| 2017-12-29T00:00:00Z | Point | — |
| 2018-01-12T00:00:00Z | Point | — |
| 2018-01-19T00:00:00Z | Point | — |
| 2018-01-26T00:00:00Z | Point | — |