Narrative:

At cruise FL330 prior to descent; a vibration was felt in the cockpit. Vibration not felt in forward galley; confirmed by purser. 15 mins later; a strong electrical odor was observed. Called purser to confirm no objects burning in oven (nothing in oven). We depowered galley; and then ran emergency smoke; cabin/cockpit checklist as we declared an emergency and diverted to nearest suitable airport. On landing; crash fire rescue equipment saw no visible smoke or fire. Taxied to gate and completely depowered aircraft. All 101 souls on board departed through jetway without further incident.

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Original NASA ASRS Text

Title: A320 FLT CREW EXPERIENCES VIBRATION AND ELECTRICAL ODOR IN COCKPIT. DECLARE EMER AND PROCEED TO NEAREST SUITABLE ARPT. NO EVIDENCE OF FIRE FOUND BY CFR.

Narrative: AT CRUISE FL330 PRIOR TO DSCNT; A VIBRATION WAS FELT IN THE COCKPIT. VIBRATION NOT FELT IN FORWARD GALLEY; CONFIRMED BY PURSER. 15 MINS LATER; A STRONG ELECTRICAL ODOR WAS OBSERVED. CALLED PURSER TO CONFIRM NO OBJECTS BURNING IN OVEN (NOTHING IN OVEN). WE DEPOWERED GALLEY; AND THEN RAN EMER SMOKE; CABIN/COCKPIT CHKLIST AS WE DECLARED AN EMER AND DIVERTED TO NEAREST SUITABLE ARPT. ON LNDG; CFR SAW NO VISIBLE SMOKE OR FIRE. TAXIED TO GATE AND COMPLETELY DEPOWERED ACFT. ALL 101 SOULS ON BOARD DEPARTED THROUGH JETWAY WITHOUT FURTHER INCIDENT.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.