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Posts Tagged ‘Calif Quake’

Calif Earthquake; Powerful Mining Explosion in Pennsylvania

Posted by feww on April 6, 2018

M5.3 Earthquake Strikes Calif Coast, W of LA

KMPH – 040602


Magnitude: 5.3 mw
Location: 33.837°N 119.726°W – 29km SW of Santa Cruz Is. (E end), CA
Depth: 9.9 km
Time: 2018-04-05 19:29:16 (UTC)
Initial felt reports: 12,090

Mining Explosion

OGS – 040602

M 2.6 Mining Explosion – 30km SSW of Wellsboro, Pennsylvania

Location: 41.478°N, 77.384°W
Depth: 0.0 km depth [near ground level]
Time: 2018-04-05 22:19:52 UTC

Posted in News Alert | Tagged: , , , , , | Leave a Comment »

California Earthquake Forecast – Update 4

Posted by feww on April 12, 2010

Google Inc. Continues to Filter, Block and Bury Information Posted on Fire Earth and Affiliated Blogs

Additionally, since at least the beginning of March 2010, nearly every entry posted on Fire-Earth, which show up in Google searches, point to Ning Network, diluting Fire Earth traffic by at least 50 percent.

See evidence :

To prevent Google and rest of the Internet Mafia from making financial gains by acting on the information provided, which they filter and conceal from the public, the Fire-Earth science advisory team have advised blog Moderators that as of today they have suspended all research into California’s seismic activity until further notice.

The  Fire-Earth science advisory team hereby advise their family members, friends, colleagues and all of the good people of California to relocate out of the state.

Related Links:

Serial No  1,565
. Starting April 2010, each entry on this blog has a unique serial number. If any of the numbers are missing, it may mean that the corresponding entry has been blocked by the authorities/Google in your country. Please drop us a line if you detect any anomaly/missing number(s).

Posted in California earthquake, earthquake forecast, feww earthquake forecast, seismic event forecast | Tagged: , , , | 2 Comments »

Strong Earthquake Strikes Offshore N Calif

Posted by feww on February 5, 2010

Earthquake measuring up to 6.1 Mw strikes offshore  northern California

Strong earthquake measuring up to 6.1Mw struck offshore northern California about 56 km (35 miles) WNW (282°) of Petrolia, CA, Thursday, February 4, 2010 at 20:20 UTC.

The earthquake was felt as far north as  Oregon’s Grant Passs, south to  San Francisco and east to Redding, reports said.

The quake occurred about 27km (17 miles) southwest of the M6.7 January 10 (UTC) quake that shook Ferndale and Humboldt Hill, CA.

Earthquake Location

Click image to enlarge. Source: NEIC/USGS

Tsunami Info

Although the quake struck at a depth of about 11 km, it wasn’t strong enough to create a significant tsunami.


Items reportedly fell from walls and shelves but there was no reports of serious damage, or any injuries as of posting.

The January 10 quake (UTC) caused at least $40 million in damage and a serious injury when an elderly woman broke her hip in a fall, Mercury News reported.

Earthquake Details:

  • Magnitude as reported by USGS: 5.9 [Max magnitude estimated by Fire-Earth: 6.1Mw]
  • Date-Time:
    • Thursday, February 04, 2010 at 20:20:21 UTC
    • Thursday, February 04, 2010 at 12:20:21 PM at epicenter
  • Location: 40.431°N, 124.929°W
  • Depth: 11.2 km (7.0 miles)
  • Distances:
    • 56 km (35 miles) WNW (282°) from Petrolia, CA
    • 59 km (36 miles) WSW (254°) from Ferndale, CA
    • 68 km (42 miles) WSW (256°) from Fortuna, CA
    • 76 km (47 miles) WSW (239°) from Eureka, CA
    • 363 km (225 miles) NW (306°) from Sacramento, CA
  • Location Uncertainty: horizontal +/- 1.4 km (0.9 miles); depth +/- 2 km (1.2 miles)
  • Source:
    • California Integrated Seismic Net:
  • Event ID: nc71348851


Earthquake Shakemap. Source: CISN/USGS

Seismic hazard Map

Click image to enlarge

USGS Quaternary Fault and Fold Database for the United States: Eureka 1° x 2° Sheet

Click image to enlarge.

Cascadia Subduction Zone

Cascadia Subduction Zone. Source: USGS

Quake Animations

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Posted in calif seismicity, earthquake, Eureka quake, petrolia quake, seismic event report | Tagged: , , , , , , | Leave a Comment »

Moderate Quake Strikes LA

Posted by feww on May 18, 2009

Magnitude 5.0 earthquake strikes Greater Los Angeles Area, Calif.

The main shock was followed by a swarm of aftershocks including a magnitude 3.1. More tremors should be expected in the area in the coming days.

Earthquake Details
Magnitude: 5.0

  • Monday, May 18, 2009 at 03:39:36 UTC
  • Sunday, May 17, 2009 at 08:39:36 PM at epicenter

Location of Epicenter

ci10410337 - 1
10-degree Map Centered at 35°N,120°W – USGS

Location:  33.940°N, 118.338°W
Depth:  13.5 km (8.4 miles)

  • 2 km (1 miles) E (91°) from Lennox, CA
  • 2 km (1 miles) SSE (159°) from Inglewood, CA
  • 3 km (2 miles) NNE (22°) from Hawthorne, CA
  • 15 km (10 miles) SSW (213°) from Los Angeles Civic Center, CA

Location Uncertainty:  horizontal +/- 0.4 km (0.2 miles); depth +/- 0.9 km (0.6 miles)
Parameters:  Nph=139, Dmin=7 km, Rmss=0.42 sec, Gp= 40°,
M-type=local magnitude (ML), Version=C

Source: California Integrated Seismic Net/ USGS Caltech CGS UCB UCSD UNR

Event ID: ci10410337

Historical Seismicity

ci10410337 - 2

ci10410337 - 3

ci10410337 - 4
Overall, the population in this region resides in structures that are resistant to earthquake shaking, though some vulnerable structures exist. A magnitude 5.2 earthquake occurred near the Whittier Narrows, California, region 21 km northeast of the location of this earthquake on October 4, 1987 (UTC), with estimated population exposures of 477,000 at intensity VII and 2,994,000 at intensity VI, resulting in an estimated 1 fatality. On January 17, 1994 (UTC), a magnitude 6.7 earthquake occurred near the Northridge, California, region 32 km northwest of the location of this earthquake, with estimated population exposures of 73,000 at intensity IX or greater and 2,181,000 at intensity VIII, resulting in an estimated 33 fatalities. Recent earthquakes in this area have caused, landslides and liquefaction that may have contributed to losses. [Source: USGS – Earthquake Hazard Program]

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Posted in Hawthorne quake, Inglewood, LA aftershocks, Lennox, socal earthquake | Tagged: , , , , | 1 Comment »