Moderate mag. 4.2 earthquake - North Pacific Ocean, 8.7 km east of Hasaki, Chōshi-shi, Chiba, Japan, on Thursday, 4 Mar 2021 11:22 am (GMT +9) -

Moderate mag. 4.2 earthquake - North Pacific Ocean, 8.7 km east of Hasaki, Chōshi-shi, Chiba, Japan, on Thursday, 4 Mar 2021 11:22 am (GMT +9)

Séisme modéré magnitude 4.2 at 10 km depth

4 Mar 02:31 UTC: Premier à signaler: NIED après 8 minutes.
Date & time: 4 Mar 2021 02:22:50 UTC -
Local time at epicenter: jeudi, 4 mars 2021 11:22 (GMT +9)
Magnitude: 4.2
Profondeur: 10.2 km
Epicenter latitude / longitude: 35.729°N / 140.929°E (Océan Pacifique Nord, Japon)
Volcan le plus près: Takahara (166 km / 103 mi)
Nearby towns and cities:
9 km E de Hasaki (pop: 39,200) --> Voir les séismes à proximité!
25 km E de Asahi (pop: 41,700) --> Voir les séismes à proximité!
31 km ESE de Omigawa (Katori) (pop: 25,800) --> Voir les séismes à proximité!
34 km E de Yōkaichiba (Sosa) (pop: 32,700) --> Voir les séismes à proximité!
37 km SE de Kashima-shi (pop: 65,800) --> Voir les séismes à proximité!
42 km ESE de Sawara (pop: 47,200) --> Voir les séismes à proximité!
43 km ESE de Katori-shi (pop: 83,200) --> Voir les séismes à proximité!
56 km E de Narita (pop: 100,600) --> Voir les séismes à proximité!
112 km E de Tokyo (pop: 8,336,600) --> Voir les séismes à proximité!
120 km ENE de Yokohama (pop: 3,574,400) --> Voir les séismes à proximité!
221 km NE de Shikine-jima Island (pop: 600) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Broken Clouds 11.9°C (53 F), humidity: 62%, wind: 3 m/s (5 kts) from E
Primary data source: NIED (National Research Institute for Earth Science and Disaster Resilience)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 tons of TNT) Plus d'infos
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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.
MagnitudeProfondeurLieuSource
4.210.2 kmNEAR CHOSHI CITY, JapanNIED
4.310 kmNEAR EAST COAST OF HONSHU, JAPANEMSC

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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La punta San Luis argentina (17530.6 km E of epicenter) [Map] / Very weak shaking (MMI II) / 2-5 s : Senti el mareo característico de los temblores ... | One user found this interesting.  
Shinjuku / Very weak shaking (MMI II) / single lateral shake / 1-2 s
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