#Seismograph at Heflin AL starting to show increased ground noise Sunday 01 Sep, as hurricane #Dorian continues westward movement toward USA eastern seaboard @spann @simpson
New #earthquake INDONESIA M7.3 07/14/2019 4:10:50 am CT, focal depth 6.2 mi, USGS report earthquake.usgs.gov/earthqua… - recorded at Heflin AL seismic station, peak local vertical ground movement: 153 um at 75 min after quake @spann @simpsonwhnt
New #earthquake M7.1 near Ridgecrest CALIFORNIA 07/05/2019 10:19:52pm CT, focal depth 10.6 mi - USGS report earthquake.usgs.gov/earthqua… - recorded at Heflin AL seismic station, peak vertical ground motion 647um seen 17 min after quake @spann @simpsonwhnt
1502 #aftershocks (M1.0 or larger) so far near Ridgecrest California, since yesterday's (07/04/2019, 12:33 pm CT) M6.4 #earthquake @spann @simpsonwhnt
376 fore and #aftershocks in the last 24 hrs, near today's M6.4 #earthquake near Ridgecrest California @spann @simpsonwhnt
#Earthquake - CALIFORNIA - M6.4, 04 July 2019, 12:33pm CT - focal depth 5.4 mi - USGS report earthquake.usgs.gov/earthqua… - at Heflin AL seismic station: peak vertical ground movement of 133um seen 17 min after quake @spann @simpsonwhnt
New Earthquake PERU M8.0 - 5/26/2019, 2:41 am CDT - focal depth 68 mi - USGS report earthquake.usgs.gov/earthqua… - recorded at Heflin Alabama seismic station @spann @simpsonwhnt
#Earthquake - M4.4 Eastern TENNESSEE, 12/12/2018 3:14a CT, focal depth 5.6 mi, USGS report on.doi.gov/2SKDCdV ... Heflin AL seismic station 182 mi from quake epicenter saw 26 um peak vertical ground movement 70 sec later @spann @simpsonwhnt
#Earthquake - M4.4 Eastern TENNESSEE, 12/12/2018 3:14a CT, focal depth 5.6 mi, USGS report on.doi.gov/2SKDCdV ... Heflin AL seismic station 182 mi from quake epicenter saw 26 um peak vertical ground movement 70 sec later @spann @simpsonwhnt
#Earthquake, M7.0, 8 mi north of Anchorage ALASKA, 11/30/2018 11:29:28a CT, focal depth 25 mi, USGS report on.doi.gov/2rfn16c, 338um peak vertical ground movement seen 28 min later at Heflin AL seismic station @spann @simpsonwhnt
Here Comes #Michael - 10/10/2018 11:45aCT snapshot of Heflin AL seismograph latest 18-hr raw unfiltered data shows increasing #microseismic ground noise in east central Alabama as #HurricaneMichael nears landfall on Florida gulf coast. @spann @simpsonwhnt
#Earthquake offshore northern HAITI, Prelim M5.9, 7:11 pCT 10/06/2018, USGS report on.doi.gov/2y7UkvG, Heflin AL seismic station #seismograph real-time display @spann @simpsonwhnt
#Earthquake - M7.5 near Palu, INDONESIA, 09/28/2018, 5:02a CT, focal depth 6.2 mi, USGS report on.doi.gov/2NNpJxw, Heflin AL seismic station detected, with peak surface waves seen locally approx 111 minutes after event time @spann @simpsonwhnt
Here Comes #Florence - 09/13/2018 3:45p CT snapshot of Heflin AL seismograph latest 18-hr raw unfiltered data shows #microseismic ground noise increasing in East Alabama as hurricane #Florence approaches landfall along USA east coast. @spann @simpsonwhnt
#Earthquake, M6.6, Hokkaido JAPAN near Sapporo, 1:07p CT today, focal depth 21mi, some damages reported, USGS report on.doi.gov/2PGJLpY, seismogram as recorded at Heflin AL seismic station @spann @simpsonwhnt
Strong #earthquake VENEZUELA M7.3, 8/21/2018 4:31p CT, focal depth 77 mi, USGS report on.doi.gov/2PtwFNx, data as recorded at Heflin AL seismic station @spann @simpsonwhnt
Strong #earthquake 7:19p CT tonight, prelim M8.2, FIJI Region, USGS report on.doi.gov/2nNynN5, strong seismic waves now being recorded at Heflin AL seismograph earthalabama.com @spann
