diff --git a/www/map.js b/www/map.js
index 5f563ab..157345f 100644
--- a/www/map.js
+++ b/www/map.js
@@ -61,6 +61,12 @@ function addEventMarker(id, lat, lng, mag, type) {
 			case 'earthquake':
 				marker = L.starMarker(L.latLng(lat, lng), markerOptions);
 				break;
+			case 'explosion':
+				markerOptions['numberOfSides'] = 6;
+				markerOptions['radius'] = 2.0*markerOptions['radius'];
+				markerOptions['innerRadius'] = 0.3*markerOptions['radius'];
+				marker = L.regularPolygonMarker(L.latLng(lat, lng), markerOptions);
+				break;
 			case 'quarry blast':
 				markerOptions['numberOfPoints'] = 7;
 				markerOptions['innerRadius'] = 0.3*markerOptions['radius'];
@@ -152,6 +158,12 @@ $(document).ready(function() {
 			attribution: 'Tiles © Esri — Source: Esri, i-cubed, USDA, USGS, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community'
 		}).addTo(map);
 		break;
+	case 'komoot': // add OpenStreetMap.DE tile layer
+		L.tileLayer('//www.komoot.de/tiles/{s}/{z}/{x}/{y}.png',
+		{
+			attribution: 'Map data &copy; <a href="https://openstreetmap.org">OpenStreetMap</a> contributors, <a href="https://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a> | Tiles Courtesy of <a href="http://www.komoot.de/">Komoot</a>',
+		}).addTo(map);
+		break;
 	case 'mapquestgray': // add MapQuestOSM tile layer
 		L.tileLayer.grayscale('http://otile{s}.mqcdn.com/tiles/1.0.0/map/{z}/{x}/{y}.jpg',
 		{
diff --git a/www/map.js.en b/www/map.js.en
index 44c6fde..867aef8 100644
--- a/www/map.js.en
+++ b/www/map.js.en
@@ -158,6 +158,12 @@ $(document).ready(function() {
 			attribution: 'Tiles &copy; Esri &mdash; Source: Esri, i-cubed, USDA, USGS, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community'
 		}).addTo(map);
 		break;
+	case 'komoot': // add OpenStreetMap.DE tile layer
+		L.tileLayer('//www.komoot.de/tiles/{s}/{z}/{x}/{y}.png',
+		{
+			attribution: 'Map data &copy; <a href="https://openstreetmap.org">OpenStreetMap</a> contributors, <a href="https://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a> | Tiles Courtesy of <a href="http://www.komoot.de/">Komoot</a>',
+		}).addTo(map);
+		break;
 	case 'mapquestgray': // add MapQuestOSM tile layer
 		L.tileLayer.grayscale('http://otile{s}.mqcdn.com/tiles/1.0.0/map/{z}/{x}/{y}.jpg',
 		{
@@ -214,8 +220,4 @@ $(document).ready(function() {
 			};
 		});
 	});
-
-	// print icon
-	// L.easyPrint().addTo(map);
-
 });