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Originally posted by JakiusFogg
Just becuase there is no major fault line the strata of the rocks underneath you have mini faults.
Uk has a series of Earthquakes in Manchester UK as strong as 5.0. I remember that one quite clearly, and again there was over 100 aftershocks in the following weeks.
Just becuase something shifted on a mini fault under the Penine hills!
So it can happen awywhere.
Originally posted by Bluebelle
Originally posted by JakiusFogg
Just becuase there is no major fault line the strata of the rocks underneath you have mini faults.
Uk has a series of Earthquakes in Manchester UK as strong as 5.0. I remember that one quite clearly, and again there was over 100 aftershocks in the following weeks.
Just becuase something shifted on a mini fault under the Penine hills!
So it can happen awywhere.
And a 5.2 in feb 2008! Epicentre was in Market Harborough if I remember correctly.
Source
Volcano eruptions have occurred shortly after earthquakes and they may be linked, but scientists are still debating the topic. Notably, an Andean volcano (Cordon Caulle) began erupting 2 days after the magnitude 9.5 1960 Chile earthquake.
Eruptions of mud volcanoes have occurred in the Andaman Islands following the recent magnitude 9.0 megathrust earthquake. Mud volcanoes consist of surface mud extrusions that vary in size from meters to several kilometers. They sometimes resemble magmatic volcanoes in appearance but they generally consist of low lying mud flows. Mud volcanoes do not involve magma. They emit mud at significantly cooler temperatures than lava, well below the ~800 degrees Celsius temperatures that characterize volcanic eruptions. Eruptions from mud volcanoes can reach heights of several hundred meters and consist of mud and sometimes burning hydrocarbon gasses. They are often associated with gas and oil fields. Mud volcanoes were known to exist in the Andaman Islands before the earthquake and in many other regions of the world.
Deadly mud volcano eruptions are extremely rare because their eruptions generally do not affect large areas. One deadly eruption in Bozdagh, Azerbaijan reportedly killed six shepherds who were camping in the caldera of a mud volcano and about 2,000 of their sheep.
U. S. G E O L O G I C A L S U R V E Y
E A R T H Q U A K E D A T A B A S E
FILE CREATED: Sun Feb 28 09:04:00 2010
Circle Search Earthquakes= 17
Circle Center Point Latitude: 10.896N Longitude: 43.442W
Radius: 300.000 km
Catalog Used: PDE
Date Range: 1990/01/01 to 2010/02/27
Magnitude Range: 5.0 - 10.0
Data Selection: Historical & Preliminary Data
CAT YEAR MO DA ORIG TIME LAT LONG DEP MAGNITUDE IEM DTSVNWG DIST
NFO km
TF
PDE 1991 03 13 080152.66 12.68 -44.55 10 5.3 MwHRV ..M ....... 231
PDE 1994 01 25 071244.88 10.60 -41.72 29 6.3 MwHRV ..M ....... 191
PDE 1994 08 03 022509.89 12.45 -43.98 10 5.0 mbGS ... ....... 181
PDE 1994 11 30 022815.52 10.77 -41.03 10 5.1 MwHRV ..M ....... 263
PDE 1995 02 02 125353.19 10.74 -42.56 10 5.8 MwHRV ..M ....... 97
PDE 1995 07 25 151326.85 10.70 -41.21 10 5.7 MwHRV ..M ....... 244
PDE 1996 06 02 025209.55 10.80 -42.25 10 7.0 MwHRV ..M ....... 130
PDE 1997 02 24 041702.11 10.82 -43.61 10 5.6 MwHRV ..M ....... 20
PDE 1997 12 01 001032.87 11.20 -43.66 10 5.0 mbGS ... ....... 41
PDE 1997 12 02 044755.62 11.99 -43.82 10 5.0 mbGS ... ....... 127
PDE 1998 02 11 211637.53 10.68 -41.44 10 5.0 mbGS ... ....... 220
PDE 2002 04 14 111702.59 11.95 -44.05 10 5.1 MwHRV ..M ....... 134
PDE 2002 12 15 055623.81 10.82 -43.25 10 5.3 MwHRV ..M ....... 22
PDE 2004 03 08 233911.34 10.48 -43.92 10 6.0 MwGS ..M ....... 69
PDE 2004 05 11 235854.41 12.70 -44.49 10 5.5 MwGS ..M ....... 229
PDE 2008 02 08 093814.10 10.67 -41.90 9 6.9 MwUCMT ..M ....... 170
PDE 2008 07 02 000831.38 12.45 -44.20 10 5.0 MwGCMT ..M ....... 190