Update src/streamlit_app.py

src/streamlit_app.py

@@ -60,8 +60,16 @@ if search_button:
     if df is not None and not df.empty:
         st.success(f"Found {len(df)} earthquakes matching your criteria.")
 
-        # CORRECTED LINE: Use 'event_time' from the API and assign it to a new 'time' column.
-        df['time'] = pd.to_datetime(df['event_time'])
+        # --- ROBUST FIX IS HERE ---
+        # The API is inconsistent. Check for 'event_time', otherwise fall back to 'time'.
+        if 'event_time' in df.columns:
+            df['time'] = pd.to_datetime(df['event_time'])
+        elif 'time' in df.columns:
+            df['time'] = pd.to_datetime(df['time'])
+        else:
+            # If neither key is found, show an error and stop execution.
+            st.error("Data format error: Could not find a valid time column in the API response.")
+            st.stop()
         
         df['magnitude'] = df['mag'].astype(float)
         df['depth'] = df['depth'].astype(float)
@@ -86,7 +94,7 @@ if search_button:
             hover_data={
                 'latitude': ':.2f',
                 'longitude': ':.2f',
-                'time': True, # This now works because we created the 'time' column
+                'time': True,
                 'magnitude': ':.2f',
                 'depth': ':.2f km'
             },