What was the estimated magnitude and maximum seismic intensity of the first earthquake that occurred in Nagano Prefecture?

The first earthquake had an estimated magnitude of 5.0 and a maximum seismic intensity of upper 5.

What was the estimated magnitude of the second earthquake that followed at around 2:54 PM?

The second earthquake had an estimated magnitude of 5.1 and caused a lower 5 intensity in Nagano City and Omachi City.

Is there any danger of a tsunami resulting from either of the two earthquakes in Nagano Prefecture?

According to the reports, neither of the two earthquakes poses any tsunami threat.

Where were the epicenters and what was the depth of both earthquakes according to the JMA?

The epicenters were located in northern Nagano Prefecture, at a depth of approximately 10 kilometers.

Which cities in Nagano Prefecture observed a maximum seismic intensity of lower 5 during the second earthquake?

Nagano City and Omachi City in Nagano Prefecture observed a maximum seismic intensity of lower 5.

AI News NQ Analysis

Earthquake Again in Nagano, Japan; Estimated Magnitude 5.1, No Tsunami Threat

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AI Summary (NQ-processed)

Two consecutive earthquakes struck northern Nagano Prefecture on the afternoon of the 18th. The second tremor, an estimated magnitude 5.1, reached a seismic intensity of lower 5 in Nagano City and Omachi City, but poses no tsunami threat.

AI Analysis

Frequently Asked Questions

Q: What was the estimated magnitude and maximum seismic intensity of the first earthquake that occurred in Nagano Prefecture?: A: The first earthquake had an estimated magnitude of 5.0 and a maximum seismic intensity of upper 5.
Q: What was the estimated magnitude of the second earthquake that followed at around 2:54 PM?: A: The second earthquake had an estimated magnitude of 5.1 and caused a lower 5 intensity in Nagano City and Omachi City.
Q: Is there any danger of a tsunami resulting from either of the two earthquakes in Nagano Prefecture?: A: According to the reports, neither of the two earthquakes poses any tsunami threat.
Q: Where were the epicenters and what was the depth of both earthquakes according to the JMA?: A: The epicenters were located in northern Nagano Prefecture, at a depth of approximately 10 kilometers.
Q: Which cities in Nagano Prefecture observed a maximum seismic intensity of lower 5 during the second earthquake?: A: Nagano City and Omachi City in Nagano Prefecture observed a maximum seismic intensity of lower 5.