Recent Earthquakes in Central US
== PRELIMINARY EARTHQUAKE REPORT ==Cooperative New Madrid Seismic Network
Version #C: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A light earthquake occurred at 11:56:22 PM (CDT) on Tuesday, April 29, 2003
.
The magnitude 4.0 event occurred 1 km (1 miles) N of 19 Blytheville, AR.
The hypocentral depth is 24 km (15 miles).
| Magnitude | 4.0 - duration magnitude (Md) |
|---|---|
| Time | Tuesday, April 29, 2003 at 11:56:22 PM (CDT)
Wednesday, April 30, 2003 at 4:56:22 (UTC) |
| Distance from | 19 Blytheville, AR - 1 km (1 miles) N (356 degrees) 21 Gosnell, AR - 5 km (3 miles) ESE (114 degrees) 19 Burdette, AR - 14 km (9 miles) N (7 degrees) 20 Jonesboro, AR - 71 km (44 miles) E (81 degrees) |
| Coordinates | 35 deg. 56.4 min. N (35.940N), 89 deg. 55.2 min. W ( 89.920W) |
| Depth | 23.7 km (14.7 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst= 30, Nph= 34, Dmin=9.3 km, Rmss=0.07 sec, Erho=0.6 km, Erzz=0.3 km, Gp=72 degrees |
| Event ID# | nmhwb0430a |
| Additional Information | Map |
| Did you feel it? |
Additional Maps and Data
Statistics
Current Felt Map
Earthquakes of Mg 3.0-4.0 within 100 Mile Radius of Blytheville, AR
1975-Present
Helicorder Display
Focal Mechanism
Obtained from Dr. Paul Bodin running Oppenheimer and Reasenberg's program
utilizing picks supplied Dr. Mitch Withers
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