diff --git a/event-exporter/sinks/stackdriver/log_entry_factory.go b/event-exporter/sinks/stackdriver/log_entry_factory.go
index 1cea99816..2df2c621d 100644
--- a/event-exporter/sinks/stackdriver/log_entry_factory.go
+++ b/event-exporter/sinks/stackdriver/log_entry_factory.go
@@ -74,12 +74,15 @@ func (f *sdLogEntryFactory) FromEvent(event *corev1.Event) *sd.LogEntry {
 	if resource.Type == k8sPod && f.podLabelCollector != nil {
 		entry.Labels = f.podLabelCollector.GetLabels(resource.Labels[namespaceName], resource.Labels[podName])
 	}
-	if !event.LastTimestamp.IsZero() {
-		// The event was emitted using k8s.io/api/core/v1 library.
-		entry.Timestamp = event.LastTimestamp.Format(time.RFC3339Nano)
-	} else if event.Series != nil && !event.Series.LastObservedTime.IsZero() {
-		// The event was emitted using k8s.io/api/events/v1 library.
+	// Prioritize the high-precision timestamp from the newer events.k8s.io/v1 schema.
+	if event.Series != nil && !event.Series.LastObservedTime.IsZero() {
+		// Event emitted using k8s.io/api/events/v1, provides higher precision.
 		entry.Timestamp = event.Series.LastObservedTime.Format(time.RFC3339Nano)
+	} else if !event.LastTimestamp.IsZero() {
+		// Fallback for events using k8s.io/api/core/v1. LastTimestamp has lower precision.
+		entry.Timestamp = event.LastTimestamp.Format(time.RFC3339Nano)
+	} else {
+		glog.Warningf("No LastObservedTime or LastTimestamp found for event %+v, log entry might have inaccurate timestamp.", event)
 	}
 
 	return entry
diff --git a/event-exporter/sinks/stackdriver/log_entry_factory_test.go b/event-exporter/sinks/stackdriver/log_entry_factory_test.go
index 46637852a..59fffec6c 100644
--- a/event-exporter/sinks/stackdriver/log_entry_factory_test.go
+++ b/event-exporter/sinks/stackdriver/log_entry_factory_test.go
@@ -134,6 +134,23 @@ func TestFromEvent(t *testing.T) {
 				},
 			},
 		},
+		{
+			desc: "Both LastTimestamp (core/v1) and Series.LastObservedTime (events/v1) are set",
+			event: &corev1.Event{
+				Type:           "Normal",
+				InvolvedObject: involvedNodeObject,
+				LastTimestamp:  lastTimestamp,
+				Series: &corev1.EventSeries{
+					Count:            1,
+					LastObservedTime: lastObservedTime,
+				},
+			},
+			wanted: &sd.LogEntry{
+				Timestamp: lastObservedTime.Format(time.RFC3339Nano),
+				Resource:  wantedNodeMonitoredResource,
+				Severity:  "INFO",
+			},
+		},
 	}
 
 	for _, test := range tests {