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LOCAL EARTHQUAKE HISTORY

Ofunato City earthquake and Shindo history in 2021

大船渡市

This annual view includes only earthquakes from 2021 for which stations associated with Ofunato City recorded Shindo.

Data period: 1 January–31 December 2021
HistoryIwate →
Data period: 1 January–31 December 2021

In 2021, stations associated with Ofunato City reported local Shindo for 102 earthquakes. The highest local level recorded that year was Shindo 5−.

Observed events1022021
Highest local Shindo5−2021
Data period: 1 January–31 December 2021

How observations were spread across 2021

The largest number of observed earthquakes was in March: 15.

An earthquake with this year's highest local ShindoOff the Coast of Miyagi Prefecture宮城県沖Mar 20, 2021, 06:09 PM JST · Local Shindo 5−Open earthquake report →

Observed earthquakes by month

  1. Jan11
  2. Feb10
  3. Mar15
  4. Apr8
  5. May6
  6. Jun8
  7. Jul10
  8. Aug4
  9. Sep8
  10. Oct10
  11. Nov7
  12. Dec5

If several earthquakes reached the same highest local Shindo, we show the most recent one. Monthly counts depend on station coverage and imported records; they do not establish a seasonal pattern or predict the next earthquake.

Data period: 1 January–31 December 2021 · 102 observed earthquakes

Observation history · 2021

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.

2021 · Clear filters
First observation: Jan 10, 2015

Observed events by year

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

All years
202697202594202461202374202210220211022020742019952018932017992016962015149
2021

Shindo observed in this place

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

All Shindo
17821437425−15+06−06+070
Data period: 1 January–31 December 2021

Observation history · 2021

102 observed earthquakes

  1. 震度1Dec 27, 2021, 02:53 JSTOff the Coast of Iwate PrefectureShindo in this place: 1 · Event maximum Shindo: 1M3.550 km
  2. 震度1Dec 19, 2021, 17:54 JSTOff the Coast of Miyagi PrefectureShindo in this place: 1 · Event maximum Shindo: 1M4.060 km
  3. 震度1Dec 11, 2021, 20:53 JSTOff the Coast of Miyagi PrefectureShindo in this place: 1 · Event maximum Shindo: 2M4.060 km
  4. 震度2Dec 8, 2021, 16:22 JSTOff the Coast of Fukushima PrefectureShindo in this place: 2 · Event maximum Shindo: 3M5.050 km
  5. 震度1Dec 8, 2021, 02:29 JSTOff the Coast of Fukushima PrefectureShindo in this place: 1 · Event maximum Shindo: 3M5.020 km
  6. 震度3Nov 24, 2021, 17:06 JSTOff the Coast of Iwate PrefectureShindo in this place: 3 · Event maximum Shindo: 3M4.750 km
  7. 震度3Nov 23, 2021, 18:48 JSTOff the Coast of Miyagi PrefectureShindo in this place: 3 · Event maximum Shindo: 3M5.050 km
  8. 震度1Nov 9, 2021, 00:34 JSTOff the Coast of Iwate PrefectureShindo in this place: 1 · Event maximum Shindo: 2M4.040 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 2021 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 Miyagi Prefecture宮城県沖
576
4
Off the Coast of Iwate Prefecture岩手県沖
212
5−
Off the Coast of Fukushima Prefecture福島県沖
115
4
Northern Coast of Iwate Prefecture岩手県沿岸北部
47
4
Off the Coast of Sanriku三陸沖
40
3
Off the east Coast of Aomori Prefecture青森県東方沖
38
Reference model · not a forecast J-SHIS (NIED) · A03203

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 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 #2Subduction-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 #3Subduction-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.

Rikuzentakata City陸前高田市8 km awaySumita Town住田町12 km awayKamaishi City釜石市27 km awayKesennuma City気仙沼市27 km awayTono City遠野市35 km awayOtsuchi Town大槌町36 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 Explained: What Levels 0–7 Mean

Shindo is Japan’s earthquake intensity scale. See what shaking each level means, from 0 to 7, and why a local Shindo reading 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