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LOCAL EARTHQUAKE HISTORY

Shiwa Town earthquake and Shindo history in 2023

紫波町

This annual view includes only earthquakes from 2023 for which stations associated with Shiwa Town recorded Shindo.

Data period: 1 January–31 December 2023
HistoryIwate →
Data period: 1 January–31 December 2023

In 2023, stations associated with Shiwa Town reported local Shindo for 18 earthquakes. The highest local level recorded that year was Shindo 3.

Observed events182023
Highest local Shindo32023
Data period: 1 January–31 December 2023 · 18 observed earthquakes

Observation history · 2023

This history counts earthquakes observed at stations in the place, not earthquakes whose epicentre lies inside its boundary. Counts can change as stations are updated and older or corrected observations are added.

2023 · Clear filters
First observation: Aug 1, 2015

Observed events by year

Choose a year to update the event history and local Shindo distribution.

All years
20264520254220241720231820222620212320201920192020182120172120162720159
2023

Shindo observed in this place

The highest reading from stations in this place, not the maximum Shindo of the whole event.

All Shindo
1421232405−05+06−06+070
Data period: 1 January–31 December 2023

Observation history · 2023

18 observed earthquakes

  1. 震度2Nov 20, 2023, 06:01 JSTOff the east Coast of Aomori PrefectureShindo in this place: 2 · Event maximum Shindo: 4M5.850 km
  2. 震度2Oct 7, 2023, 23:26 JSTOff the Coast of Iwate PrefectureShindo in this place: 2 · Event maximum Shindo: 3M4.940 km
  3. 震度2Sep 19, 2023, 04:33 JSTOff the Coast of Miyagi PrefectureShindo in this place: 2 · Event maximum Shindo: 4M5.560 km
  4. 震度2Sep 8, 2023, 18:28 JSTOff the Coast of Miyagi PrefectureShindo in this place: 2 · Event maximum Shindo: 4M5.550 km
  5. 震度2Aug 25, 2023, 07:48 JSTOff the Coast of SanrikuShindo in this place: 2 · Event maximum Shindo: 3M5.810 km
  6. 震度1Aug 16, 2023, 22:29 JSTNorthern Coast of Iwate PrefectureShindo in this place: 1 · Event maximum Shindo: 2M4.260 km
  7. 震度3Aug 11, 2023, 09:14 JSTOff the east Coast of Aomori PrefectureShindo in this place: 3 · Event maximum Shindo: 4M5.920 km
  8. 震度2Jun 17, 2023, 09:26 JSTOff the east Coast of Aomori PrefectureShindo in this place: 2 · Event maximum Shindo: 3M5.720 km
Reference model · not a forecast

Ground & J-SHIS

The context below uses the place's full available history and reference models; it is not part of the 2023 statistics.

Local seismic profile

Where the shaking usually comes from

Source regions of earthquakes observed here, ordered by the number of reports.

5−
Off the Coast of Iwate Prefecture岩手県沖
80
4
Off the Coast of Miyagi Prefecture宮城県沖
47
4
Off the east Coast of Aomori Prefecture青森県東方沖
41
4
Off the Coast of Sanriku三陸沖
38
4
Off the Coast of Fukushima Prefecture福島県沖
30
3
Northern Coast of Iwate Prefecture岩手県沿岸北部
18
Reference model · not a forecast J-SHIS (NIED) · A03321

Earthquake scenarios affecting this place

Official J-SHIS models ranked for their potential impact on this municipality.

J-SHIS / NIED

#1 means the model ranks highest in the J-SHIS result for this place under the same settings. It is not a ranking of which earthquake will happen next.

Magnitude on a card describes the size of the whole earthquake model, not the Shindo expected here. Local shaking also depends on distance, depth and ground conditions.

#1Subduction-zone earthquakeHuge interplate earthquakes in Aomori-ken-toho-Oki and Northern Iwate-ken-Oki青森県東方沖及び岩手県沖北部のプレート間巨大地震

Modelled magnitude: M7.9–8.8

Read about this model #2Subduction-zone earthquakeHuge interplate earthquakes in Miyagi-ken-toho-Oki宮城県沖のプレート間巨大地震

Modelled magnitude: M7.9–8.6

Read about this model #3Other active faultTakizawaukai-nishi fault (kitakami zambu)滝沢鵜飼西断層（北上残部）

Modelled magnitude: M6.9

Read about this model #4Major active faultKitakami-teichi-seien fault zone北上低地西縁断層帯

Modelled magnitude: M7.2

Read about this model #5Subduction-zone earthquakeMega earthquakes along the Japan Trench (Great East Japan Earthquake 2011 type)日本海溝沿いの超巨大地震（東北地方太平洋沖型）

Modelled magnitude: M8.6–9.0

Read about this model

J-SHIS 2020 model, 30-year period and Shindo 6-lower threshold. This is not a prediction of a particular earthquake. Source: J-SHIS (NIED); processed for presentation by JISHINDESU.

Local seismic profile

Nearby places

Municipalities nearest to the representative station position.

Yahaba Town矢巾町7 km awayHanamaki City花巻市13 km awayTakizawa City滝沢市21 km awayMorioka City盛岡市23 km awayShizukuishi Town雫石町26 km awayKitakami City北上市31 km away
GUIDES

Understand local Shindo in context

Guides to this place’s history, seismic intensity and notification tools.

8 min readJapan’s Shindo Scale: Earthquake Intensity Levels 0–7

Learn what Japan’s Shindo earthquake intensity scale measures, what levels 0, 5 Lower, 5 Upper and 7 mean, and why Shindo is different from magnitude.

Read guide 10 min readHow to use the JISHINDESU interactive map

A guide to the redesigned map panel: adding and switching places, ten years of history, filters, local Shindo readings, sharing and notifications.

Read guide 6 min readAre earthquakes becoming more frequent in Japan?

How to compare earthquake counts fairly—and why a few active days do not prove a lasting increase.

Read guide 4 min readAway from home? Monitor earthquakes in your Japanese town

Use home as the reference point and receive notifications without an account when a station within the selected radius reports your chosen Shindo level.

Read guide