TONGA & JAVA

[thirtyhz]

Both have recorded quakes within the hour...both in the 5...+ range.  Of note, both areas are volcanic.  Dramatic increase in the last 10 days in the S. Pacific with volcanic quakes.  Galapagos and Easter Islands shakes are also S. Pacific volcanic systems....

Magnitude 5.7 - SOUTH OF JAVA, INDONESIA
2010 February 11 18:43:08 UTC

Earthquake Details
Magnitude   5.7
Date-Time   

    * Thursday, February 11, 2010 at 18:43:08 UTC
    * Friday, February 12, 2010 at 02:43:08 AM at epicenter
 
Location   10.063°S, 113.847°E
Depth   53.9 km (33.5 miles) significant depth...volcanic ridge activity
Region   SOUTH OF JAVA, INDONESIA
Distances   215 km (135 miles) S of Jember, Java, Indonesia
215 km (135 miles) SW of Denpasar, Bali, Indonesia
260 km (160 miles) WSW of Mataram, Lombok, Indonesia
900 km (560 miles) ESE of JAKARTA, Java, Indonesia
Location Uncertainty   horizontal +/- 9.6 km (6.0 miles); depth +/- 13.5 km (8.4 miles)
Parameters   NST= 48, Nph= 48, Dmin=179.3 km, Rmss=1.36 sec, Gp= 86°,
M-type=teleseismic moment magnitude (Mw), Version=7
Source    * USGS NEIC (WDCS-D)

Event ID   us2010spbehttp://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/us2010spbe.php

   
Magnitude 5.4 - SOUTH OF TONGA
2010 February 11 19:05:30 UTC

Earthquake Details
Magnitude   5.4
Date-Time   

    * Thursday, February 11, 2010 at 19:05:30 UTC
    * Friday, February 12, 2010 at 07:05:30 AM at epicenter
 
Location   24.182°S, 175.804°W
Depth   37.5 km (23.3 miles)  again, significant depth
Region   SOUTH OF TONGA
Distances   340 km (210 miles) S of NUKU'ALOFA, Tonga
490 km (305 miles) SE of Ndoi Island, Fiji
600 km (370 miles) NNE of Raoul Island, Kermadec Islands
1665 km (1040 miles) NE of Auckland, New Zealand
Location Uncertainty   horizontal +/- 13.4 km (8.3 miles); depth +/- 19.2 km (11.9 miles)
Parameters   NST= 56, Nph= 56, Dmin=600.2 km, Rmss=1.14 sec, Gp=126°,
M-type=body wave magnitude (Mb), Version=6
Source       * USGS NEIC (WDCS-D)

Event ID   us2010spbg
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/us2010spbg.php

[thirtyhz]

Today, within the last hour ...Indonesia.  I haven't seen any tsunami warnings posted for the area...yet.

http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/us2010stbl.html
Magnitude 6.2 - KEPULAUAN BARAT DAYA, INDONESIA

Earthquake Details
Magnitude   6.2
Date-Time   

    * Monday, February 15, 2010 at 21:51:48 UTC
    * Tuesday, February 16, 2010 at 06:51:48 AM at epicenter
    * Time of Earthquake in other Time Zones

Location   7.256°S, 128.794°E
Depth   128 km (79.5 miles)  Wow, that's WAY down.  Have to check for errors on this one.
Region   KEPULAUAN BARAT DAYA, INDONESIA

Distances   295 km (185 miles) WNW of Saumlaki, Tanimbar Islands, Indonesia
385 km (240 miles) ENE of DILI, East Timor
620 km (385 miles) NNW of DARWIN, Northern Territory, Australia
2445 km (1510 miles) E of JAKARTA, Java, Indonesia

Location Uncertainty   horizontal +/- 7.6 km (4.7 miles); depth +/- 11.4 km (7.1 miles)
Parameters   NST= 45, Nph= 47, Dmin=288.3 km, Rmss=0.81 sec, Gp= 58°,
M-type=teleseismic moment magnitude (Mw), Version=6

Source   

    * USGS NEIC (WDCS-D)

Event ID   us2010stbl