- Type:
- Earthquake
- Date:
- April 14, 1928 CE
- Location:
- 9 km S of Stara Zagora, Bulgaria
- Magnitude:
- 7.1 Mw
- Depth:
- 10 km
- Intensity (MMI):
- 7.774
Cross-catalog records
This event is recorded in 6 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- USGS_COMCAT: Mw 7.1
- NOAA_SIGEQ: Ms 6.8
- NOAA_SIGEQ: Ms 7
- EMEC_2021: Mw 6.94
- EMEC_2021: Mw 4.08
- EMEC_2021: Mw 4.03
Other earthquake records of 1928 CE
- Chile, Talca, Chillan, Santiago, San Fernando · Mw 7.6 · 279 deaths
- Turkey, Tepekoy, Torbali · Ms 6.5 · 170 deaths
- Bulgaria, Chirpan · Ms 6.8 · 127 deaths
- Philippines, Cotabato, N Coast Of Illana Bay · Mw 7.4 · 97 deaths
- Iran, Shirvan · Mw 5.6 · 30 deaths
- Peru, Chacahpoyas, Huancabamba, Cajamarca, Pinpincos · Mw 7.3 · 29 deaths
Source: U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat) · License: U.S. Public Domain (USGS) · institutional record ↗
Frequently asked questions
- When did M 7.1 - 9 km S of Stara Zagora, Bulgaria (1928 CE) happen?
- April 14, 1928 CE.
- Where does this information come from?
- This record comes from U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat); it was not hand-authored and is stored together with its source.