diff --git a/lib/app/map/_lib/managers/monitor.dart b/lib/app/map/_lib/managers/monitor.dart
index 5a04022ff..5c824393f 100644
--- a/lib/app/map/_lib/managers/monitor.dart
+++ b/lib/app/map/_lib/managers/monitor.dart
@@ -36,7 +36,7 @@ class MonitorMapLayerManager extends MapLayerManager {
     super.context,
     super.controller, {
     this.isReplayMode = false,
-    this.replayTimestamp = 0, //1751918230855,
+    this.replayTimestamp = 0, //1756300288424,
   }) {
     if (isReplayMode) {
       GlobalProviders.data.setReplayMode(true, replayTimestamp);
@@ -951,6 +951,9 @@ class _MonitorMapLayerSheetState extends State<MonitorMapLayerSheet> {
                     localIntensity = intensityFloatToInt(info.i);
                     localArrivalTime = (data.info.time + sWaveTimeByDistance(data.info.depth, info.dist)).floor();
 
+                    WidgetsBinding.instance.addPostFrameCallback((_) {
+                      _updateCountdown();
+                    });
                     _timer ??= Timer.periodic(const Duration(seconds: 1), (_) => _updateCountdown());
 
                     if (_isCollapsed) {
diff --git a/lib/core/eew.dart b/lib/core/eew.dart
index 5f7e617ba..9b6057631 100644
--- a/lib/core/eew.dart
+++ b/lib/core/eew.dart
@@ -232,7 +232,7 @@ WaveTime calculateWaveTime(double depth, double distance) {
   double userLat,
   double userLon,
 ) {
-  final distSurface = LatLng(eqLat, eqLng).to(LatLng(userLat, userLon));
+  final distSurface = LatLng(eqLat, eqLng).to(LatLng(userLat, userLon)) /1000;
   final dist = sqrt(pow(distSurface, 2) + pow(depth, 2));
   final pga = 1.657 * exp(1.533 * mag) * pow(dist, -1.607);
   var intensity = pgaToFloat(pga);