When I went off to college, they (whoever they is) told us to expect an earthquake anytime. The New Madrid fault hadn’t gone in well over a hundred years. It was due. “They” had all of us midwesterners ready to build quake proof shelters all over campus, except being from Illinois, we had no idea what that even was. Tornadoes we know. Earthquakes, not so much.
Needless to say, we never experienced an earthquake. Missourians haven’t since that time, either. St. Louis remains safe from teetering into the abyss in the foreseeable future, though it remains an active fault.
On a family trip to San Francisco, we stood in an earthquake simulator, however, to see what it would be like. Dizzying, confusing, and yes, terrifying had it been real.
In doing some research on the Great San Francisco earthquake of 1906, I discovered an interesting detail. The quake measured an (assumed) 7.9 on the Richter scale and the maximum Mercalli intensity of XI (Extreme). Shock waves traveled at a rate of 8300 miles per hour. Over 80% of the city was destroyed by the earthquake and fire.The event displaced over 75% of the population and killed between 700-3000 people. It permanently removed San Francisco as the leading city of the west, replacing it with Los Angeles.
We assume the most destructive element of that quake was the fire or the falling buildings. Nope.

Most earthquake damage results from strong shaking. Damage caused by landslides, ground failure, or fire account for a small portion of the total. We remember the 1906 earthquake mainly for the fire damage, yet in most places, it was the shaking on already shaky ground that caused the trouble.
You know what area sustained the worst damage? The Bay Area where ground had been reclaimed from the water. Already soft and easily malleable because of its water and sand content, the ground beneath the bay dissolved during the shaking. Bedrock areas held fast. Unstable ground rocked the buildings above it with ferocity.
In other words, bedrock holds. Shifting ground, soft foundations, things humans created and didn’t use for their intended purpose—all these fall away in an intense shaking. What survived the earthquake? Steel buildings on solid ground.
And that is the message of Hebrews 12.
“You have not come to a physical mountain, to a place of flaming fire, darkness, gloom, and whirlwind, as the Israelites did at Mount Sinai. Moses himself was so frightened at the sight that he said, ‘I am terrified and trembling.’
No, you have come to Mount Zion, to the city of the living God, the heavenly Jerusalem, and to countless thousands of angels in a joyful gathering. You have come to the assembly of God’s firstborn children, whose names are written in heaven. You have come to God himself, who is the judge over all things. You have come to the spirits of the righteous ones in heaven who have now been made perfect. You have come to Jesus, the one who mediates the new covenant between God and people, and to the sprinkled blood, which speaks of forgiveness.
When God spoke from Mount Sinai his voice shook the earth, but now he makes another promise: ‘Once again I will shake not only the earth but the heavens also.’ This means that all of creation will be shaken and removed, so that only unshakable things will remain. Since we are receiving a Kingdom that is unshakable, let us be thankful and please God by worshiping him with holy fear and awe.”
God tells the Hebrews—I’m going to shake things up. In fact, I’m going to shake all of creation until it’s shaken back into order. I’ll shake until all the unintended, soft shifting mess is taken away and only the solid, perfect rock remains.

I remember the giant braided rugs my mom used to have in our living room. Occasionally, we had to take the behemoths outside and give them a good shaking. It took two of us. Dirt had gotten in all the crevices of the braid, and it had to be shaken and beat until the seams released all the mess that shouldn’t have been there. It was a job.
Sometimes things need to be shaken into order. They’ve lost their function. Impurities have gotten in the cracks. They need a good clothesline moment with a broom and a strong arm.
In one of my favorite Rich Mullins songs he suggests that:
“The Lord takes by its corners this old world
And shakes us forward and shakes us free
To run wild with the hope.”
I love that image. One day, the entire world will be set right. Shaken free of its evil and freed with wild hope. I can’t wait for that day.
But here’s the thing—sometimes He will do the same to you and me, here and now. What needs to be shaken free in our lives so we can run wild with hope?
God’s shaking in our lives signals his desire for us to be what we were meant to be, unencumbered by dust and dirt.
We don’t often perceive a good shaking up in as joyful freedom and hope. We see it through a lens of fear, assuming the worst of anything that upsets our comfortable status quo.
But the Hebrews writer sets us straight on that. S/he explains that we have come to Mount Zion—not Mount Sinai. We’ve come to a joyful gathering. We’ve come as God’s own heirs. We “have come to Jesus, the one who mediates the new covenant between God and people.”
We have come to hope. To no more fear. To the one who is love and casts out fear. To joy, to the community of his people, to Jesus’ himself speaking for you.
“At the centre of the contrast between Mount Sinai and Mount Sion, in fact, is the contrast between a holiness which is terrifying and unapproachable and a holiness which is welcoming, cleansing and healing.” NT Wright
If we think of God’s shaking as scary, we’re thinking in the wrong covenant, living in the wrong testament. We need to reframe the shaking up as a restoration of what was lost. It’s more like panning for gold than tearing us apart.
Holiness on the new mountain no longer a terrifying thing. It’s a new way, a better way, a healing, restoring activity. We should welcome it, be excited about it, work toward it not as if we were afraid but as if we rejoice to belong in that city.
The lesson we learn from San Francisco is that shaking doesn’t harm things that are built on bedrock. It destroys only thing that are built where they shouldn’t have been. Only foundations that are unsound. It’s Jesus’ parable about the house on the rock all over again.
The warning of Hebrews 12 and the warning of 1906 are the same—be mindful of your foundation. What are you building on? What is the bedrock of your faith? What will happen to that faith when the shaking starts?
Many people who have lost their faith in recent years have stated that it happened because a celebrity pastor, worship leader, or other person whom they trusted turned out to be unworthy of that trust. Their faith rested on a person, and that person wasn’t Jesus. When holiness shook it out, it crumbled.
Others build their foundation on God blessing them—giving them the abundant life He promised. When circumstances reverse and they don’t feel blessed, they no longer feel God, either.
Some build on doctrine, certain that if their answers are right, their faith is solid. Ditto “right behavior.” They go over their mental checklist daily, ensuring that they haven’t missed or compromised anything. Like Javert, their life becomes undone when someone suggests that grace and mercy matter more to a human soul.
Shaking terrifies those who live on foundations they have built themselves with unsteady hands and insufficient knowledge. It doesn’t faze those who know a master craftsman built their foundation, and it will hold.
Our foundation?
“You have come to Jesus, the one who mediates the new covenant between God and people, and to the sprinkled blood, which speaks of forgiveness.”
That’s it. That’s enough. That will hold.
When God shakes up our world, he wants us to know that only unshakable things will remain. Our response, so difficult and against the human grain, is “so let us be thankful.”