77340 Zip Code Natural Disasters and Weather Extremes
The chance of earthquake damage in 77340 Zip Code is about the same as Texas average and is much lower than the national average. The risk of tornado damage in 77340 Zip Code is much lower than Texas average and is lower than the national average.
Earthquake Index, #1531
| 77340 Zip Code | 0.01 |
| Texas | 0.04 |
| U.S. | 1.81 |
The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.
Volcano Index, #1
| 77340 Zip Code | 0.0000 |
| Texas | 0.0000 |
| U.S. | 0.0023 |
The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.
Tornado Index, #2006
| 77340 Zip Code | 121.84 |
| Texas | 208.58 |
| U.S. | 136.45 |
The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.
Other Weather Extremes Events
A total of 2,086 other weather extremes events within 50 miles of 77340 Zip Code were recorded from 1950 to 2010. The following is a break down of these events:
| Type | Count | Type | Count | Type | Count | Type | Count | Type | Count |
| Avalanche: | 0 | Blizzard: | 0 | Cold: | 3 | Dense Fog: | 0 | Drought: | 69 |
| Dust Storm: | 4 | Flood: | 307 | Hail: | 688 | Heat: | 16 | Heavy Snow: | 14 |
| High Surf: | 0 | Hurricane: | 2 | Ice Storm: | 20 | Landslide: | 0 | Strong Wind: | 32 |
| Thunderstorm Winds: | 802 | Tropical Storm: | 6 | Wildfire: | 8 | Winter Storm: | 16 | Winter Weather: | 18 |
| Other: | 81 | ||||||||
Volcanos Nearby
No volcano is found in or near 77340 Zip Code.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near 77340 Zip Code.
No historical earthquake events found in or near 77340 Zip Code.
Historical Tornado Events
A total of 47 historical tornado events that had recorded magnitude of 2 or above found in or near 77340 Zip Code.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 5.3 | 1957-03-31 | 2 | 30°43'N / 95°33'W | 2.00 Miles | 100 Yards | 0 | 2 | 25K | 0 | Walker | |
| 14.4 | 1999-01-01 | 2 | 30°50'N / 95°23'W | 30°46'N / 95°23'W | 5.00 Miles | 500 Yards | 0 | 0 | 750K | 0 | Trinity |
| Brief Description: Funnel reported over the Trinity River bridge. Storm abruptly took a right turn along the eastern shore of Lake Livingston. Tornado touched down 7 miles south of Trinity. Effected Timber Bay, Whiterock Estates, Azteck Cove and Timber Cove subdivisions. Major damage caused by trees falling on residences/vehicles. Strongest damage (and not necessarly caused by falling trees) occurred at Whiterock Estates. Resident in Timber Bay (where the first touchdown occurred) had anemometer that clocked 110 mph winds before it was blown away. Mostly F1 damage with F2 damage in Whiterock Estates. | |||||||||||
| 14.7 | 1981-02-10 | 2 | 30°48'N / 95°34'W | 30°50'N / 95°14'W | 19.90 Miles | 100 Yards | 1 | 8 | 250K | 0 | Walker |
| 18.8 | 1954-02-19 | 2 | 30°19'N / 95°27'W | 30°27'N / 95°25'W | 9.50 Miles | 150 Yards | 0 | 7 | 250K | 0 | Montgomery |
| 19.3 | 1981-05-09 | 2 | 30°27'N / 95°45'W | 30°23'N / 95°43'W | 5.10 Miles | 40 Yards | 0 | 2 | 25K | 0 | Montgomery |
| 22.1 | 2001-12-16 | 2 | 30°46'N / 95°13'W | 30°47'N / 95°11'W | 3.00 Miles | 200 Yards | 0 | 2 | 2.5M | 0 | San Jacinto |
| Brief Description: An F2 Tornado touched down at the Point Lookout West Estates. There were 2 minor injuries. 15 homes were destroyed, with 15 to 20 other homes receiving major damage. Trees and power lines were down. Reported by the Sheriff's office. | |||||||||||
| 22.4 | 1968-12-12 | 3 | 30°19'N / 95°26'W | 30°22'N / 95°21'W | 6.20 Miles | 200 Yards | 0 | 0 | 250K | 0 | Montgomery |
| 23.2 | 2006-04-29 | 2 | 30°36'N / 95°09'W | 30°36'N / 95°09'W | 1.00 Mile | 30 Yards | 0 | 4 | 100K | 0 | San Jacinto |
| Brief Description: Tornado in the Coldspring Terrace Subdivision along Lake Livingston. Four injuries in two homes that received major damage. | |||||||||||
| 24.9 | 1973-06-04 | 2 | 30°45'N / 95°23'W | 31°04'N / 95°08'W | 26.40 Miles | 40 Yards | 0 | 0 | 250K | 0 | Walker |
| 27.7 | 1997-10-23 | 2 | 30°18'N / 95°21'W | 30°17'N / 95°16'W | 5.00 Miles | 440 Yards | 0 | 1 | 175K | 0 | Montgomery |
| Brief Description: This tornado was probably the most significant in strength and length that occurred this day. Several homes and mobile homes received major damage. There was one injury when a young boy was in a mobile home when the tornado picked it up and wrapped it around a tree. Damage to trees was extensive with many trees being snapped off above the ground. This storm was surveyed from the air and had continuous tree damage from Midway to Shepherd in San Jacinto County. | |||||||||||
| 28.5 | 1952-12-03 | 2 | 30°54'N / 95°18'W | 30°57'N / 95°05'W | 13.30 Miles | 100 Yards | 0 | 4 | 25K | 0 | Trinity |
| 28.8 | 1981-02-10 | 2 | 30°46'N / 96°00'W | 2.50 Miles | 77 Yards | 0 | 2 | 250K | 0 | Grimes | |
| 31.2 | 1967-05-01 | 2 | 30°48'N / 95°07'W | 30°49'N / 94°59'W | 8.00 Miles | 67 Yards | 0 | 2 | 25K | 0 | Polk |
| 31.5 | 1965-09-22 | 3 | 30°13'N / 95°44'W | 0.80 Mile | 33 Yards | 0 | 0 | 0K | 0 | Montgomery | |
| 32.8 | 1975-10-23 | 2 | 30°32'N / 95°03'W | 30°32'N / 94°57'W | 6.40 Miles | 100 Yards | 0 | 0 | 250K | 0 | San Jacinto |
| 34.1 | 1987-12-06 | 2 | 30°41'N / 94°58'W | 1.00 Mile | 200 Yards | 0 | 0 | 250K | 0 | Polk | |
| 34.3 | 1979-04-18 | 2 | 30°15'N / 95°12'W | 30°17'N / 95°07'W | 4.00 Miles | 50 Yards | 0 | 0 | 250K | 0 | Montgomery |
| 36.3 | 1954-10-22 | 2 | 30°55'N / 96°07'W | 30°55'N / 96°00'W | 7.10 Miles | 100 Yards | 0 | 0 | 25K | 0 | Madison |
| 37.4 | 1983-12-10 | 2 | 31°02'N / 95°14'W | 31°06'N / 95°04'W | 10.00 Miles | 50 Yards | 0 | 0 | 250K | 0 | Trinity |
| 37.5 | 1967-05-01 | 2 | 30°55'N / 96°05'W | 0.60 Mile | 33 Yards | 0 | 0 | 3K | 0 | Madison | |
| 37.9 | 1976-03-30 | 2 | 30°49'N / 95°08'W | 30°59'N / 94°49'W | 22.10 Miles | 1300 Yards | 0 | 1 | 2.5M | 0 | Polk |
| 38.1 | 1982-06-28 | 2 | 31°04'N / 95°08'W | 31°02'N / 95°05'W | 3.00 Miles | 73 Yards | 0 | 0 | 25K | 0 | Trinity |
| 39.3 | 1987-11-15 | 2 | 30°58'N / 96°04'W | 31°06'N / 95°58'W | 7.00 Miles | 200 Yards | 3 | 2 | 2.5M | 0 | Madison |
| 39.6 | 1983-05-20 | 2 | 30°04'N / 95°34'W | 30°04'N / 95°27'W | 7.00 Miles | 333 Yards | 1 | 5 | 2.5M | 0 | Harris |
| 40.8 | 1987-11-15 | 2 | 31°06'N / 95°58'W | 31°09'N / 95°54'W | 3.00 Miles | 200 Yards | 0 | 0 | 2.5M | 0 | Leon |
| 41.7 | 1953-05-16 | 3 | 31°14'N / 95°34'W | 31°15'N / 95°39'W | 5.20 Miles | 33 Yards | 1 | 8 | 0K | 0 | Houston |
| 42.2 | 1989-05-17 | 2 | 30°48'N / 94°53'W | 30°50'N / 94°50'W | 3.00 Miles | 150 Yards | 0 | 0 | 0K | 0 | Polk |
| 42.8 | 1953-12-02 | 2 | 30°22'N / 96°11'W | 2 | 5 | 0K | 0 | Washington | |||
| 43.1 | 1964-05-01 | 2 | 30°18'N / 96°12'W | 30°20'N / 96°07'W | 5.60 Miles | 880 Yards | 0 | 0 | 25K | 0 | Washington |
| 43.3 | 1986-02-05 | 2 | 30°01'N / 95°37'W | 2.50 Miles | 70 Yards | 0 | 0 | 2.5M | 0 | Harris | |
| 43.6 | 1986-02-05 | 3 | 30°02'N / 95°33'W | 29°59'N / 95°29'W | 5.00 Miles | 70 Yards | 2 | 0 | 25.0M | 0 | Harris |
| 44.1 | 1992-11-21 | 2 | 30°35'N / 94°48'W | 2.00 Miles | 200 Yards | 0 | 0 | 25K | 0 | Polk | |
| 44.2 | 1987-12-06 | 2 | 30°53'N / 94°51'W | 1.00 Mile | 200 Yards | 0 | 0 | 2.5M | 0 | Polk | |
| 44.5 | 1983-11-19 | 2 | 30°24'N / 96°14'W | 1.10 Miles | 100 Yards | 0 | 0 | 2.5M | 0 | Brazos | |
| 45.0 | 1957-10-22 | 3 | 30°15'N / 94°58'W | 30°15'N / 94°54'W | 4.30 Miles | 100 Yards | 0 | 1 | 25K | 0 | Liberty |
| 45.2 | 1992-11-21 | 3 | 30°06'N / 95°02'W | 30°27'N / 94°47'W | 28.00 Miles | 300 Yards | 0 | 1 | 2.5M | 0 | Liberty |
| 45.4 | 1957-10-14 | 3 | 30°07'N / 96°00'W | 1.00 Mile | 33 Yards | 0 | 0 | 25K | 0 | Waller | |
| 46.1 | 1962-06-18 | 2 | 30°04'N / 95°56'W | 0 | 0 | 0K | 0 | Waller | |||
| 46.6 | 1957-10-14 | 2 | 30°03'N / 95°55'W | 0.50 Mile | 17 Yards | 0 | 0 | 25K | 0 | Waller | |
| 46.7 | 1954-04-30 | 2 | 30°38'N / 96°20'W | 30°39'N / 96°19'W | 1.90 Miles | 67 Yards | 0 | 0 | 0K | 0 | Brazos |
| 46.8 | 1956-04-05 | 3 | 30°41'N / 96°22'W | 30°41'N / 96°17'W | 5.20 Miles | 67 Yards | 0 | 0 | 250K | 0 | Brazos |
| 46.8 | 1973-02-13 | 2 | 29°58'N / 95°43'W | 29°59'N / 95°40'W | 3.30 Miles | 30 Yards | 0 | 1 | 25K | 0 | Harris |
| 46.9 | 1954-04-30 | 2 | 31°04'N / 95°07'W | 31°11'N / 94°51'W | 17.80 Miles | 883 Yards | 0 | 13 | 250K | 0 | Trinity |
| 47.0 | 1961-03-26 | 2 | 31°19'N / 95°27'W | 1.50 Miles | 100 Yards | 0 | 1 | 250K | 0 | Houston | |
| 48.7 | 1957-10-14 | 2 | 30°12'N / 94°54'W | 0.50 Mile | 200 Yards | 0 | 0 | 25K | 0 | Liberty | |
| 49.3 | 1992-11-21 | 3 | 30°01'N / 95°05'W | 30°06'N / 95°02'W | 4.00 Miles | 300 Yards | 0 | 0 | 25.0M | 0 | Harris |
| 49.9 | 1967-09-21 | 2 | 29°56'N / 95°22'W | 2.00 Miles | 50 Yards | 0 | 3 | 3K | 0 | Harris | |
* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.