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3.9 Magnitude Earthquake Registered Off the Big Island Today

A 3.9 magnitude earthquake struck off the Pahala coast of the Big Island this afternoon at 3:51 pm Hawaii time:

3.9 Pahala

3.9 Magnitude Earthquake Shakes the Big Island While Residents Sleep

I slept right through this one!

Magnitude 3.9
Date-Time
Location 19.013°N, 155.425°W
Depth 38.4 km (23.9 miles)
Region ISLAND OF HAWAII, HAWAII
Distances
  • 18 km (11 miles) ESE (109°) from Naalehu, HI
  • 22 km (14 miles) SSE (165°) from Pahala, HI
  • 37 km (23 miles) ESE (106°) from Hawaiian Ocean View, HI
  • 81 km (50 miles) SW (222°) from Hawaiian Beaches, HI
  • 85 km (53 miles) SSW (205°) from Hilo, HI
  • 358 km (222 miles) SE (135°) from Honolulu, HI
Location Uncertainty horizontal +/- 0.7 km (0.4 miles); depth +/- 0.8 km (0.5 miles)
Parameters Nph= 76, Dmin=15 km, Rmss=0.11 sec, Gp=212°,
M-type=local magnitude (ML), Version=1
Source
Event ID hv60387251

3.9 Magnitude Earthquake Shakes the Puna Area of the Big Island *Edit* Downsized to 3.7

Magnitude 3.9 *EDIT* 3.7
Date-Time
Location 19.332°N, 155.346°W
Depth 31.4 km (19.5 miles)
Region ISLAND OF HAWAII, HAWAII
Distances
  • 18 km (11 miles) SW (222°) from Volcano, HI
  • 20 km (12 miles) NE (44°) from Pahala, HI
  • 28 km (17 miles) SW (236°) from Fern Forest, HI
  • 50 km (31 miles) SSW (213°) from Hilo, HI
  • 339 km (211 miles) SE (130°) from Honolulu, HI
Location Uncertainty horizontal +/- 0.4 km (0.2 miles); depth +/- 0.9 km (0.6 miles)
Parameters Nph= 74, Dmin=4 km, Rmss=0.11 sec, Gp= 76°,
M-type=duration magnitude (Md), Version=1
Source
Event ID hv60291206
Map of Hawaii highlighting Hawaii County

Image via Wikipedia

Second Earthquake Shakes the Big Island – 3.9 Magnitude

Magnitude 3.9
Date-Time
Location 19.547°N, 155.622°W
Depth 11.9 km (7.4 miles)
Region ISLAND OF HAWAII, HAWAII
Distances
  • 30 km (19 miles) E (79°) from Captain Cook, HI
  • 30 km (19 miles) ENE (68°) from Honaunau-Napoopoo, HI
  • 32 km (20 miles) E (86°) from Kealakekua, HI
  • 45 km (28 miles) ESE (116°) from Kalaoa, HI
  • 59 km (37 miles) WSW (253°) from Hilo, HI
  • 302 km (188 miles) SE (130°) from Honolulu, HI
Location Uncertainty horizontal +/- 0.3 km (0.2 miles); depth +/- 0.4 km (0.2 miles)
Parameters Nph= 73, Dmin=2 km, Rmss=0.18 sec, Gp= 40°,
M-type=duration magnitude (Md), Version=1
Source
Event ID hv60285426

3.9 Magnitude Earthquake Shakes Pahoa on the Big Island

Magnitude 3.9
Date-Time
Location 19.442°N, 154.851°W
Depth 42 km (26.1 miles)
Region HAWAII REGION, HAWAII
Distances
  • 8 km (5 miles) ESE (116°) from Leilani Estates, HI
  • 10 km (6 miles) SE (138°) from Nanawale Estates, HI
  • 13 km (8 miles) ESE (122°) from Pahoa, HI
  • 13 km (8 miles) SSE (153°) from Hawaiian Beaches, HI
  • 38 km (24 miles) SE (140°) from Hilo, HI
  • 373 km (232 miles) ESE (123°) from Honolulu, HI