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Moderate mag. 4.5 earthquake - Philippine Sea, 89 km southeast of Naha, Okinawa, Japan, on Saturday, March 20, 2021 at 02:29 GMT

Moderate mag. 4.5 earthquake - Philippine Sea, 89 km southeast of Naha, Okinawa, Japan, on Saturday, March 20, 2021 at 02:29 GMT Moderate mag. 4.5 earthquake - Philippine Sea, 89 km southeast of Naha, Okinawa, Japan, on Saturday, March 20, 2021 at 02:29 GMT

Moderate magnitude 4.5 earthquake at 10 km depth

Earthquake details

Date & timeMar 20, 2021 02:29:23 UTC
Local time at epicenter
StatusConfirmed
Magnitude4.5
Depth10.0 km
Epicenter latitude / longitude25.8623°N / 128.4781°E (Philippine Sea, Japan)
Antipode25.862°S / 51.522°W
Shaking intensityLight shaking
Felt1 report
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoIo-Torishima (226 km / 140 mi)
Nearby towns and cities80 km (50 mi) SE of Katsuren-haebaru (Uruma) (pop: 34,200) | Show on map | Quakes nearby
82 km (51 mi) SE of Gushikawa (pop: 65,300) | Show on map | Quakes nearby
84 km (52 mi) ESE of Chinon (pop: 91,800) | Show on map | Quakes nearby
86 km (53 mi) SE of Okinawa (pop: 125,500) | Show on map | Quakes nearby
86 km (53 mi) ESE of Itoman (pop: 57,200) | Show on map | Quakes nearby
86 km (54 mi) SE of Chatan (Nakagami District) (pop: 27,800) | Show on map | Quakes nearby
87 km (54 mi) ESE of Tomigusuku (pop: 55,700) | Show on map | Quakes nearby
89 km (55 mi) ESE of Naha (pop: 300,800) | Show on map | Quakes nearby
91 km (56 mi) SE of Ishikawa (Uruma) (pop: 22,400) | Show on map | Quakes nearby
97 km (60 mi) SSE of Naga (pop: 59,600) | Show on map | Quakes nearby
91 km (56 mi) SE of Okinawa Island (pop: 1,301,000) | Show on map | Quakes nearby
118 km (73 mi) SE of Iejima Island (pop: 4,610) | Show on map | Quakes nearby
Estimated seismic energy released3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) | about seismic energy
Show interactive Map
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
4.510 km79 Km SE of Katsuren-haebaru, JapanUSGS

Seismograms

Seismic station: Taipei, Taiwan (TATO/IU network) | Distance from quake: 708 km / 440 mi | Show on map | Station Info
Seismic station Taipei, Taiwan: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Translate
okinawa (85.9 km NW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating

Earlier earthquakes in the same area

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