Okinawa Earthquake: M 6.4 - Off the northwest Coast of Miyakojima Island

Date & time: 2023-09-18 13:21:23 (UTC)
Local time at epicenter: Monday, September 18, 2023 at 10:21 pm
Latitude/ Longitude: 26°30'00.0"N 125°12'00.0"E
Epicenter: East China Sea
Magnitude: 6.4
Depth: 170.0 km


Waveform
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ShakeMap

Nearby towns/cities
  • 181.3 km (112.7 mi) N of Hirara, Okinawa, Japan
  • 182.8 km (113.6 mi) N of Miyakojima, Okinawa, Japan
  • 238.1 km (147.9 mi) W of Naha, Okinawa, Japan
  • 238.4 km (148.2 mi) W of Itoman, Okinawa, Japan
  • 238.8 km (148.4 mi) W of Tomigusuku, Okinawa, Japan

MMI (Modified Mercalli Intensity) Scale:
  • III Kunigami Village
  • III Nakijin Village
  • III Itoman City
  • III Uruma City
  • III Nanjo City
  • III Nishihara Town
  • III Zamami Village
  • III Tonaki Village
  • III Yaese Town
  • III Miyakojima City

Sources:
  • USGS: M 6.3 - northeast of Taiwan
  • JMA: M 6.4 - Off the northwest Coast of Miyakojima Island
  • IRIS 

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