diff --git a/alert_system/etl/usgs_earthquake/transform.py b/alert_system/etl/usgs_earthquake/transform.py
index b7f2cd2dc..520a0de4c 100644
--- a/alert_system/etl/usgs_earthquake/transform.py
+++ b/alert_system/etl/usgs_earthquake/transform.py
@@ -82,7 +82,7 @@ def process_event(self, event_item) -> BaseTransformerClass.EventType:
             "title": properties.get("title", ""),
             "description": properties.get("description", ""),
             "country": properties.get("monty:country_codes", ""),
-            "start_datetime": properties.get("start_datetime"),
+            "start_datetime": properties.get("datetime"),
             "end_datetime": properties.get("end_datetime"),
             "episode_number": properties.get("monty:episode_number"),
             "event_url": next(item["href"] for item in urls if item["rel"] == "self"),
diff --git a/assets b/assets
index 3d53802f7..4fa35ebc9 160000
--- a/assets
+++ b/assets
@@ -1 +1 @@
-Subproject commit 3d53802f775bbe733741843d95a6fbcbf27f671e
+Subproject commit 4fa35ebc981296b5b9fabafec1637612ae7a7070