diff --git a/src/components/MapIcons.tsx b/src/components/MapIcons.tsx
index e7d1602..118c988 100644
--- a/src/components/MapIcons.tsx
+++ b/src/components/MapIcons.tsx
@@ -2,17 +2,7 @@ import React from 'react';
 import moment from "moment";
 import { formatPublicKey } from '../lib/meshcore';
 import { getNameIconLabel } from '../lib/meshcore-map-nodeutils';
-
-type NodePosition = {
-  node_id: string;
-  latitude: number;
-  longitude: number;
-  altitude?: number;
-  last_seen?: string;
-  type?: string;
-  short_name?: string;
-  name?: string | null;
-};
+import { NodePosition } from '../types/map';
 
 interface NodeMarkerProps {
   node: NodePosition;
@@ -163,6 +153,14 @@ export function PopupContent({ node }: PopupContentProps) {
       ) : (
         <div><b>Last seen:</b> -</div>
       )}
+      {node.first_seen ? (
+        <div>
+          <b>First seen:</b> {moment.utc(node.first_seen).format('YYYY-MM-DD HH:mm:ss')} <span style={{color: '#888'}}>(UTC)</span><br/>
+          <span style={{color: '#888'}}>{moment.utc(node.first_seen).local().fromNow()}</span>
+        </div>
+      ) : (
+        <div><b>First seen:</b> -</div>
+      )}
     </div>
   );
 }
diff --git a/src/components/MapView.tsx b/src/components/MapView.tsx
index c038ab6..58816d4 100644
--- a/src/components/MapView.tsx
+++ b/src/components/MapView.tsx
@@ -12,6 +12,7 @@ import RefreshButton from "@/components/RefreshButton";
 import { NodeMarker, ClusterMarker, PopupContent } from "./MapIcons";
 import { renderToString } from "react-dom/server";
 import { buildApiUrl } from "../lib/api";
+import { NodePosition } from "../types/map";
 
 const DEFAULT = {
   lat: 46.56, // Center between Seattle and Portland
@@ -19,17 +20,6 @@ const DEFAULT = {
   zoom: 7, // Zoom level to show both cities
 };
 
-type NodePosition = {
-  node_id: string;
-  latitude: number;
-  longitude: number;
-  altitude?: number;
-  last_seen?: string;
-  type?: string;
-  short_name?: string;
-  name?: string | null;
-};
-
 type ClusteredMarkersProps = { nodes: NodePosition[] };
 
 // Individual marker component
diff --git a/src/lib/clickhouse/actions.ts b/src/lib/clickhouse/actions.ts
index 55638a5..c6d2e2e 100644
--- a/src/lib/clickhouse/actions.ts
+++ b/src/lib/clickhouse/actions.ts
@@ -33,7 +33,7 @@ export async function getNodePositions({ minLat, maxLat, minLng, maxLng, nodeTyp
       where.push(`last_seen >= now() - INTERVAL {lastSeen:UInt32} SECOND`);
       params.lastSeen = Number(lastSeen);
     }
-    const query = `SELECT node_id, name, short_name, latitude, longitude, last_seen, type FROM unified_latest_nodeinfo WHERE ${where.join(" AND ")}`;
+    const query = `SELECT node_id, name, short_name, latitude, longitude, last_seen, first_seen, type FROM unified_latest_nodeinfo WHERE ${where.join(" AND ")}`;
     const resultSet = await clickhouse.query({ query, query_params: params, format: 'JSONEachRow' });
     const rows = await resultSet.json();
     return rows as Array<{
@@ -43,6 +43,7 @@ export async function getNodePositions({ minLat, maxLat, minLng, maxLng, nodeTyp
       latitude: number;
       longitude: number;
       last_seen: string;
+      first_seen?: string;
       type: string;
     }>;
   } catch (error) {
diff --git a/src/types/map.ts b/src/types/map.ts
new file mode 100644
index 0000000..2ac685d
--- /dev/null
+++ b/src/types/map.ts
@@ -0,0 +1,11 @@
+export type NodePosition = {
+  node_id: string;
+  latitude: number;
+  longitude: number;
+  altitude?: number;
+  last_seen?: string;
+  first_seen?: string;
+  type?: string;
+  short_name?: string;
+  name?: string | null;
+};