QuakeScout
Magnitude4.4

Reviewed by USGSIndonesia19y ago

M4.4 earthquake 172 km S of Tondano, Indonesia

Friday, March 2, 2007, 16:34:55 UTC · 0.252°S, 125.017°E

A magnitude 4.4 earthquake struck 172 km S of Tondano, Indonesia on Friday, March 2, 2007, 16:34:55 UTC, at a depth of 10.0 km (shallow).

Magnitude
4.4
Light · mb
Depth
10 km
Shallow
Felt reports
0
Did You Feel It?
Est. shaking
—
No ShakeMap
PAGER alert
None
Not issued
Tsunami
No flag
USGS feed

Outlined circle: this earthquake

In context

How big was it, and why here?

Energy released

60 tons of TNT

That is about 1/251 of the Hiroshima bomb. A magnitude 5.0 releases about 8 times more energy.

Tectonic setting

9 km

from the nearest mapped plate boundary, between the Molucca Sea and Sunda plates. Earthquakes cluster along boundaries like this one, where plates collide, pull apart or slide past each other.

Depth: shallow

10 km

Shallow earthquakes (under 70 km) produce the strongest surface shaking for their size, so they are the ones most likely to cause damage near the epicenter.

Did You Feel It?

Where it was felt

No “Did You Feel It?” reports have been published for this event yet. If you felt it, you can add your report on the USGS website.

I felt it — report to USGS ↗

USGS PAGER estimate

Who was exposed to shaking

USGS publishes PAGER impact estimates for significant earthquakes, usually within an hour. No PAGER estimate is available for this event.

After the main event

Aftershocks within 50 km

USGS has not published any M2.5+ earthquake within 50 km in the 30 days after this event.

Regional history

Past M5+ earthquakes within 300 km

USGS lists 1,244 M5.0+ earthquakes within 300 km before this one (catalog from 1900; older records are less complete). The strongest:

  1. 8.21965 Ceram Sea EarthquakeJanuary 24, 1965 · 285 km S of this epicenter
  2. 8.11939 Sulawesi EarthquakeDecember 21, 1939 · 249 km W of this epicenter
  3. 7.875 km NNW of Gorontalo, IndonesiaApril 18, 1990 · 289 km NW of this epicenter
  4. 7.7148 km SE of Tondano, IndonesiaMay 14, 1932 · 120 km NE of this epicenter
  5. 7.7264 km ESE of Luwuk, IndonesiaNovember 29, 1998 · 203 km S of this epicenter
  6. 7.7121 km E of Bitung, IndonesiaAugust 10, 1968 · 234 km NE of this epicenter
  7. 7.689 km E of Luwuk, IndonesiaMay 4, 2000 · 186 km SW of this epicenter
  8. 7.564 km NNW of Ternate, IndonesiaJune 25, 1907 · 298 km NE of this epicenter

History · NOAA

Deadliest earthquakes in this area

NOAA’s significant-earthquake database lists 31 damaging, deadly or tsunami-generating earthquakes within 300 km of this epicenter since 1700, which together caused about 332 recorded deaths. The most severe:

  1. 1845M7.0

    N Sulawesi: Menado, Tikala, Tomohon

    8 Feb 1845 · 193 km away · intensity IX

    118 deathsModerate damage ($1–5M)tsunami

  2. 1965M7.6

    Sanana Island

    24 Jan 1965 · 267 km away

    71 deathsModerate damage ($1–5M)tsunami

  3. 2000M7.6

    Sulawesi: Luwuk, Banggai, Peleng,

    4 May 2000 · 186 km away

    54 deaths$30 million damagetsunami

  4. 1998M7.7

    Mangole, Manado, Taliabu

    29 Nov 1998 · 203 km away · intensity VII

    41 deaths$200 million damagetsunami

  5. 1855

    Maluku: Ternate Island

    14 Jul 1855 · 280 km away · intensity IX

    34 deathsModerate damage ($1–5M)

  6. 1932M7.7

    Sulawesi: Kakas,Langowan,Poso,Tondano

    14 May 1932 · 120 km away · intensity VII

    7 deathsSevere damage ($5–24M)tsunami

NOAA NCEI Global Significant Earthquake Database. Historical figures are estimates; older records are incomplete.

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