AMS received 78 reports about a fireball seen over CA and NV on Saturday, July 31st 2021 around 07:36 UT.







Each witness has a "level" of experience from 1 to 5 - 5 is the highest level of experience.
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| ID | UT Date & Time | Local Date & Time | City | State | Dur. | Magn. | D. Sound | C. Sound | Frag. | Observer | Exp. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| a | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | San Jose | CA | ≈7.5s | -25 | - | - | Dana H | 3 | |
| aa | 2021-07-31 07:26 UT | 2021-07-31 00:26 PDT | Stockton | CA | ≈1.5s | -6 | - | - | - | Autum B | 2 |
| ab | 2021-07-31 07:23 UT | 2021-07-31 00:23 PDT | Danville | CA | ≈1.5s | -11 | - | - | - | Night's Spotter R | 1 |
| ac | 2021-07-31 07:33 UT | 2021-07-31 00:33 PDT | Rancho Cordova | CA | ≈3.5s | -18 | - | - | - | Nathan S | 3 |
| ad | 2021-07-31 07:34 UT | 2021-07-31 00:34 PDT | Manteca | CA | ≈3.5s | -15 | - | - | Chris Z | 1 | |
| ae | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Coloma | CA | ≈3.5s | -13 | - | - | Thomas F | 1 | |
| af | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Oakland | CA | ? | -14 | - | - | Dylan H | 1 | |
| ag | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Greenwood | CA | ? | -17 | - | - | - | Yanna P | 2 |
| ah | 2021-07-31 07:48 UT | 2021-07-31 00:48 PDT | Livermore | CA | ≈1.5s | 0 | ? | ? | - | Marlene S | 1 |
| ai | 2021-07-31 07:32 UT | 2021-07-31 00:32 PDT | Sacramento | CA | ≈3.5s | -15 | - | - | Madee P | 1 | |
| aj | 2021-07-31 07:34 UT | 2021-07-31 00:34 PDT | San Jose | CA | ≈7.5s | -8 | - | - | ? | Angela F | 3 |
| ak | 2021-07-31 07:20 UT | 2021-07-31 00:20 PDT | San Jose | CA | ≈1.5s | -13 | - | - | Sonia M | 1 | |
| al | 2021-07-31 07:40 UT | 2021-07-31 00:40 PDT | Fresno | CA | ≈7.5s | -11 | - | - | ? | Debi N | 1 |
| am | 2021-07-31 07:45 UT | 2021-07-31 00:45 PDT | Mammoth Lakes | CA | ≈7.5s | -13 | ? | ? | Grant C | 3 | |
| an | 2021-07-31 07:55 UT | 2021-07-31 00:55 PDT | Concord | CA | ≈7.5s | -8 | - | - | Bryan M | 2 | |
| ao | 2021-07-31 07:42 UT | 2021-07-31 00:42 PDT | Ukiah | CA | ≈3.5s | -9 | - | Kashia H | 2 | ||
| ap | 2021-07-31 07:20 UT | 2021-07-31 00:20 PDT | Elk Grove | CA | ≈3.5s | -13 | - | - | Andrea M | 1 | |
| aq | 2021-07-31 07:07 UT | 2021-07-31 00:07 PDT | Rancho Cordova | CA | ≈1.5s | 0 | - | - | Stevie B | 1 | |
| ar | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Auburn | CA | ≈7.5s | -16 | - | - | Tom P | 2 | |
| as | 2021-07-31 07:31 UT | 2021-07-31 00:31 PDT | Fort Bragg | CA | ≈7.5s | -11 | - | - | Samuel A | 3 | |
| at | 2021-07-31 06:45 UT | 2021-07-30 23:45 PDT | Grass Valley | CA | ≈20s | -20 | - | - | Frank J | 1 | |
| au | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Murphys | CA | ≈7.5s | -12 | ? | ? | Nikia P | 2 | |
| av | 2021-07-31 08:00 UT | 2021-07-31 01:00 PDT | Fremont | CA | ≈3.5s | -8 | - | - | Coleen B | 1 | |
| aw | 2021-07-31 07:45 UT | 2021-07-31 00:45 PDT | Fair Oaks | CA | ≈3.5s | -13 | - | - | - | Shannon B | 2 |
| ax | 2021-07-31 07:34 UT | 2021-07-31 00:34 PDT | Modesto | CA | ≈20s | -14 | ? | - | Esmeralda G | 3 | |
| ay | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Tracy | CA | ≈20s | -10 | - | - | ? | Rebecca S | 2 |
| az | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Livermore | CA | ≈20s | -17 | - | - | - | Mark H | 3 |
| b | 2021-07-31 07:32 UT | 2021-07-31 00:32 PDT | Pleasanton | CA | ≈3.5s | -17 | - | - | Natasha M | 3 | |
| ba | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | CA | ≈7.5s | -20 | ? | Heide G | 1 | |||
| bb | 2021-07-31 07:34 UT | 2021-07-31 00:34 PDT | Coalinga | CA | ≈3.5s | -7 | ? | ? | ? | Krissy V | 3 |
| bc | 2021-07-31 07:38 UT | 2021-07-31 00:38 PDT | Placerville | CA | ≈20s | -14 | - | Jay K | 2 | ||
| bd | 2021-07-31 07:38 UT | 2021-07-31 00:38 PDT | Garden Valley | CA | ≈7.5s | -20 | ? | David B | 3 | ||
| be | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Sonoma | CA | ≈3.5s | -10 | - | - | A S | 1 | |
| bf | 2021-07-31 07:40 UT | 2021-07-31 00:40 PDT | Sacramento | CA | ≈1.5s | -21 | ? | ? | Leng T | 1 | |
| bg | 2021-07-31 07:40 UT | 2021-07-31 00:40 PDT | Modesto | CA | ≈3.5s | -7 | - | - | Kyle L | 3 | |
| bh | 2021-07-31 08:30 UT | 2021-07-31 01:30 PDT | Murphys | CA | ≈3.5s | -11 | ? | ? | Nate B | 2 | |
| bi | 2021-07-31 08:42 UT | 2021-07-31 01:42 PDT | Rancho Cordova | CA | ≈3.5s | -18 | - | - | Travis D | 3 | |
| bj | 2021-07-31 07:34 UT | 2021-07-31 00:34 PDT | Valley Springs | CA | ≈7.5s | -10 | - | Anthony K | 3 | ||
| bk | 2021-07-31 07:34 UT | 2021-07-31 00:34 PDT | San Ramon | CA | ≈3.5s | -12 | - | - | - | Arsalan M | 4 |
| bl | 2021-07-31 07:34 UT | 2021-07-31 00:34 PDT | Kenwood | CA | ≈3.5s | -12 | - | - | - | Sucheta J | 3 |
| bm | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Turlock | CA | ≈3.5s | -9 | ? | - | ? | Ellen B | 1 |
| bn | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | CA | ≈3.5s | -17 | - | ? | Katherine C | 1 | ||
| bo | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Gardnerville | NV | ≈7.5s | -6 | - | - | Jen H | 3 | |
| bp | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Saratoga | CA | ≈3.5s | -7 | - | - | - | David N | 1 |
| bq | 2021-07-31 07:27 UT | 2021-07-31 00:27 PDT | Minden | NV | ≈3.5s | -12 | - | Jody S | 2 | ||
| br | 2021-07-31 07:20 UT | 2021-07-31 00:20 PDT | Sanger | CA | ≈1.5s | -7 | - | - | - | Michael S | 4 |
| bs | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Lafayette | CA | ≈3.5s | -13 | - | Patrick R | 1 | ||
| bt | 2021-07-31 08:30 UT | 2021-07-31 01:30 PDT | Concord | CA | >60s | 0 | - | Dino R | 1 | ||
| bu | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Grass Valley | CA | ≈7.5s | -7 | ? | ? | ? | Trinity F | 2 |
| bv | 2021-07-31 07:45 UT | 2021-07-31 00:45 PDT | Sonora | CA | ≈3.5s | -13 | J J | 2 | |||
| bw | 2021-07-31 08:30 UT | 2021-07-31 01:30 PDT | Sacramento | CA | ≈3.5s | -12 | - | - | Anthony C | 1 | |
| bx | 2021-07-31 07:34 UT | 2021-07-31 00:34 PDT | Santa Clara | CA | ≈7.5s | -9 | - | - | Jim B | 1 | |
| by | 2021-07-31 08:30 UT | 2021-07-31 01:30 PDT | Oakdale | CA | ≈45s | -25 | - | Gordon M | 1 | ||
| bz | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Pinecrest | CA | ≈3.5s | -11 | - | ? | Jennifer F | 1 | |
| c | 2021-07-31 07:38 UT | 2021-07-31 00:38 PDT | Livermore | CA | ≈3.5s | -15 | - | Ben C | 1 | ||
| d | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Mountain View | CA | ≈7.5s | -13 | - | - | Jeffrey C | 3 | |
| e | 2021-07-31 07:25 UT | 2021-07-31 00:25 PDT | Palo Alto | CA | ≈3.5s | -6 | - | - | - | Don B | 1 |
| f | 2021-07-31 07:36 UT | 2021-07-31 00:36 PDT | Tracy | CA | ≈7.5s | -13 | ? | ? | ? | Christina A | 1 |
| g | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Crockett | CA | ≈7.5s | -14 | ? | ? | ? | Danielle R | 1 |
| h | 2021-07-31 07:36 UT | 2021-07-31 00:36 PDT | Palo Alto | CA | ≈7.5s | -9 | - | - | hype h | 3 | |
| i | 2021-07-31 07:39 UT | 2021-07-31 00:39 PDT | Fremont | CA | ≈1.5s | -5 | ? | ? | - | Anonymous M | 2 |
| j | 2021-07-31 07:40 UT | 2021-07-31 00:40 PDT | Napa | CA | ≈3.5s | -13 | ? | David P | 2 | ||
| k | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Lincoln | CA | ≈7.5s | -12 | ? | ? | Ikaika L | 3 | |
| l | 2021-07-31 07:38 UT | 2021-07-31 00:38 PDT | Antioch | CA | ≈3.5s | -12 | - | - | Trevor K | 4 | |
| m | 2021-07-31 07:41 UT | 2021-07-31 00:41 PDT | Garden Valley | CA | ≈1.5s | -22 | - | - | ? | Kristen M | 1 |
| n | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Santa Clara | CA | ≈3.5s | -8 | - | - | David S | 3 | |
| o | 2021-07-31 07:36 UT | 2021-07-31 00:36 PDT | Cupertino | CA | ≈1.5s | -5 | - | - | - | Annie F | 1 |
| p | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | El Dorado Hills | CA | ≈1.5s | 0 | ? | - | Josh G | 1 | |
| q | 2021-07-31 07:38 UT | 2021-07-31 00:38 PDT | Folsom | CA | ≈20s | -13 | - | Isabella M | 1 | ||
| r | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | San Jose | CA | ≈3.5s | -13 | - | - | John J | 1 | |
| s | 2021-07-31 07:30 UT | 2021-07-31 00:30 PDT | Santa Clara | CA | ≈7.5s | -7 | - | - | ? | Roshan C | 2 |
| t | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Concord | CA | ≈7.5s | -12 | - | - | ? | Nic P | 1 |
| u | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Hayward | CA | ≈1.5s | -13 | - | - | - | Lauren A | 2 |
| v | 2021-07-31 07:35 UT | 2021-07-31 00:35 PDT | Woodland | CA | ≈7.5s | -12 | - | - | Jarrod B | 2 | |
| w | 2021-07-31 07:39 UT | 2021-07-31 00:39 PDT | Napa | CA | ≈7.5s | -5 | ? | - | Natasha T | 1 | |
| x | 2021-07-31 07:32 UT | 2021-07-31 00:32 PDT | San Jose | CA | ≈3.5s | -13 | - | - | Jay M | 2 | |
| y | 2021-07-31 07:36 UT | 2021-07-31 00:36 PDT | Somerset | CA | >60s | -13 | - | Casey A | 3 | ||
| z | 2021-07-31 07:40 UT | 2021-07-31 00:40 PDT | Stockton | CA | ≈1.5s | -13 | - | - | ? | Sofia M | 1 |