Two kinds of waves are generated by earthquakes and travel through solid rock:
In P or compressional waves, the vibration of the rock is in the direction of propagation. P waves travel fastest and are the first to arrive from the earthquake. In S or shear waves, rock oscillates perpendicular to the direction of wave propagation. In rock, S waves generally travel about 60% the speed of P waves, and the S wave always arrives after the P wave. For example, sound waves are P waves at a high enough frequency to hear with your ear. An example of an S wave is wiggling or shaking a rope which is tied down at one or both ends.
Both P and S waves travel outward from an earthquake focus inside the earth. The waves are often seen as separate arrivals recorded on seismographs at large distances from the earthquake. The direct P wave arrives first because its path is through the higher speed, dense rocks deeper in the earth. The PP (one bounce) and PPP (two bounces) waves travel more slowly than the direct P because they pass through shallower, lower velocity rocks. The different S waves arrive after the P waves.
The slowest (and latest to arrive on seismograms) are surface waves, such as the L wave. L waves are named for the Cambridge mathematician A.E.H. Love who first described them. The surface waves are generally the largest recorded from an earthquake. Body waves in the earth's interior lose their amplitude rapidly as they get farther from the earthquake because they spread out inside the volume of the earth. Surface waves, however, spread out more slowly and only on the earth's surface. The energy from surface waves is confined to a smaller volume at the surface and the wave amplitude to carry that energy is therefore larger than body waves.
A reference for further reading is:
Inside the Earth, Evidence from Earthquakes; by Bruce A. Bolt, W.H. Freeman & Co., San Francisco, first published 1982.
Earthquake (TM26) is a Ground-type Move in Pokemon Brilliant Diamond and Shining Pearl (BDSP). Learn Earthquake's location, what Pokemon can learn it, as well as its Power, Accuracy, PP, and Effect.
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| The user sets off an earthquake that strikes every Pokémon around it. |
| TM26 ▶︎All TM Locations |
| Go through the ramp maze in the basement level then head up the stairs. |
The basement floor of Wayward Cave containing Earthquake (TM26) is only accessible if the player has access to Strength by getting the 6th Badge and unlocking the Hidden Move in the Lost Tower.
After getting Strength, use Cut to go under Cycling Road on Route 206, and go to the top left of the area under the road, west of the main Wayward Cave entrance. Then, walk 2 tiles to the right and go up. From there, use Strength and go left down the stairs to enter B1F.
After entering B1F, you'll need to traverse a maze of ramps on your bike. Earthquake (TM26) is located up the stairs in the bottom right corner, at the end of the maze.
This TM can be purchased at the Exchange Service Corner in the Battle Park for 80 Battle Points.
How to Get BP (Battle Points)
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No Pokemon currently learn this move via this method.
No Pokemon currently learn this move via this method.
List of Moves
| TM01 Focus Punch | TM02 Dragon Claw | TM03 Water Pulse | TM04 Calm Mind |
| TM05 Roar | TM06 Toxic | TM07 Hail | TM08 Bulk Up |
| TM09 Bullet Seed | TM10 Work Up | TM11 Sunny Day | TM12 Taunt |
| TM13 Ice Beam | TM14 Blizzard | TM15 Hyper Beam | TM16 Light Screen |
| TM17 Protect | TM18 Rain Dance | TM19 Giga Drain | TM20 Safeguard |
| TM21 Dazzling Gleam | TM22 Solar Beam | TM23 Iron Tail | TM24 Thunderbolt |
| TM25 Thunder | TM26 Earthquake | TM27 Low Sweep | TM28 Dig |
| TM29 Psychic | TM30 Shadow Ball | TM31 Brick Break | TM32 Double Team |
| TM33 Reflect | TM34 Shock Wave | TM35 Flamethrower | TM36 Sludge Bomb |
| TM37 Sandstorm | TM38 Fire Blast | TM39 Rock Tomb | TM40 Aerial Ace |
| TM41 Torment | TM42 Facade | TM43 Volt Switch | TM44 Rest |
| TM45 Attract | TM46 Thief | TM47 Steel Wing | TM48 Skill Swap |
| TM49 Scald | TM50 Overheat | TM51 Roost | TM52 Focus Blast |
| TM53 Energy Ball | TM54 False Swipe | TM55 Brine | TM56 Fling |
| TM57 Charge Beam | TM58 Endure | TM59 Dragon Pulse | TM60 Drain Punch |
| TM61 Will-O-Wisp | TM62 Bug Buzz | TM63 Nasty Plot | TM64 Explosion |
| TM65 Shadow Claw | TM66 Payback | TM67 Recycle | TM68 Giga Impact |
| TM69 Rock Polish | TM70 Flash | TM71 Stone Edge | TM72 Avalanche |
| TM73 Thunder Wave | TM74 Gyro Ball | TM75 Swords Dance | TM76 Stealth Rock |
| TM77 Psych Up | TM78 Snarl | TM79 Dark Pulse | TM80 Rock Slide |
| TM81 X-Scissor | TM82 Sleep Talk | TM83 Bulldoze | TM84 Poison Jab |
| TM85 Dream Eater | TM86 Grass Knot | TM87 Swagger | TM88 Pluck |
| TM89 U-Turn | TM90 Substitute | TM91 Flash Cannon | TM92 Trick Room |
| TM93 Cut | TM94 Fly | TM95 Surf | TM96 Strength |
| TM97 Defog | TM98 Rock Smash | TM99 Waterfall | TM100 Rock Climb |
All TM Locations
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Pokemon Brilliant Diamond and Shining Pearl (BDSP) Walkthrough Wiki
Moves
Ground-type Moves
Earthquake Location (TM26) and Pokemon That Learn It