#1924 - M7,8 Earthquake in Ecuador, Bahía de Caráquez - Post-event imagery

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Only for experienced JOSM mappers (damage assessement)

An earthquake of magnitude 7.8 hit the coastal region of Ecuador on April, 16th at 23:58 UTC. This major event was followed by several shocks (http://earthquake.usgs.gov/earthquakes/map). The tasks consists on drawing roads, towns, villages, for coordinating help efforts from government institutions and civil society initiatives of rescue. Infrastructure has been damaged and the main access roads are blocked, leaving coastal towns disconnected from rescue efforts.

Created by Humberto_Yances - Updated - Priority: low

  Instructions

Entities to Map
buildings (edificaciones), shelters (albergues)
Changeset Comment
#hotosm-project-1924 #MappingEcuador #BahiadeCaraquez #Post-event
When saving your work, please leave the default comment but add what you actually mapped, for example "added buildings and a residential road".
Imagery

[imagery url available only after accepting the license]

Access to this imagery is limited by the Airbus DS / OSM-FR license agreement.

You need to review and acknowledge the agreement.

Using JOSM? Please use the dedicated preset.


Before starting with tracing in this project, is widely suggested read previously Ecuador damages tags


1. Mapping damaged buildings

An assessment of damage to buildings, verifying the degree of involvement evidenced in post-event images. Once located the damage makes the comparison with the pre-event images to confirm the damage (ie, undamaged before, after the earthquake damaged or destroyed. NOTE: a list of all imagery avaible is in the task instructions. OSM data is aligned with pre-event image #1). Trace the polygon of the building using JOSM plugin 'building tool' or trace an orthogonal polygon and add the tag:

building = yes

If the building is already mapped, skip the previous step and go to the next. Depending on the level of damage observed add the label:

damage:evaluation_step:imagery=[damaged, destroyed]

use destroyed value if you observe a total damage like this:

Or use the value damaged, if the damage is partially observed as shown in the image below:

Add tags to the image date:

damage:evaluation_date:imagery=04/21/2016

And the source of the image post-event from which showed the damage:

source:damage:imagery=[UAVs - University of Cuenca; Satellite - Pleiades; Ortho - IGM; ...]

Finally relates the object with the earthquake adding this tag:

damage:event=2016EcuadorEarthquake

2. Temporary shelters

Map temporary shelters that are evident in the photo, differentiating whether organized or spontaneous one. Draw a polygon on the area of ​​the shelter, if an organized camp (as shown in the picture)

use the following tag:

idp:camp_site=organized_camp

If it is a spontaneous camp (as shown in the picture):

use the following tag:

idp:camp_site=spontaneous_camp

To identify the camp on maps (as Mapnik) add a node in the center of the polygon with the label:

tourism=camp_site

Finally, relating the object with the earthquake:

damage:event=2016EcuadorEarthquake

  Start contributing

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