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Issues

ISSN 0895-0695
EISSN 1938-2057

ARTICLES

Seismological Research Letters August 28, 2019, Vol.90, 2095-2110. doi:https://doi.org/10.1785/0220190125
Seismological Research Letters September 18, 2019, Vol.90, 2111-2120. doi:https://doi.org/10.1785/0220190111
Seismological Research Letters October 02, 2019, Vol.90, 2121-2131. doi:https://doi.org/10.1785/0220190131
Seismological Research Letters September 18, 2019, Vol.90, 2132-2141. doi:https://doi.org/10.1785/0220190122
Seismological Research Letters October 02, 2019, Vol.90, 2142-2153. doi:https://doi.org/10.1785/0220190145
Seismological Research Letters October 02, 2019, Vol.90, 2154-2164. doi:https://doi.org/10.1785/0220190053
Seismological Research Letters October 02, 2019, Vol.90, 2165-2174. doi:https://doi.org/10.1785/0220190098
Seismological Research Letters September 11, 2019, Vol.90, 2175-2187. doi:https://doi.org/10.1785/0220190093
Seismological Research Letters August 28, 2019, Vol.90, 2188-2204. doi:https://doi.org/10.1785/0220190103
Seismological Research Letters October 09, 2019, Vol.90, 2205-2216. doi:https://doi.org/10.1785/0220190049
Seismological Research Letters October 09, 2019, Vol.90, 2217-2226. doi:https://doi.org/10.1785/0220190120
Seismological Research Letters August 28, 2019, Vol.90, 2227-2235. doi:https://doi.org/10.1785/0220190100
Seismological Research Letters September 18, 2019, Vol.90, 2236-2249. doi:https://doi.org/10.1785/0220180292

EASTERN SECTION

Seismological Research Letters October 09, 2019, Vol.90, 2250-2261. doi:https://doi.org/10.1785/0220190149

ELECTRONIC SEISMOLOGIST

Seismological Research Letters September 11, 2019, Vol.90, 2262-2275. doi:https://doi.org/10.1785/0220190025
Seismological Research Letters September 11, 2019, Vol.90, 2276-2284. doi:https://doi.org/10.1785/0220190052

HISTORICAL SEISMOLOGIST

Seismological Research Letters September 04, 2019, Vol.90, 2285-2292. doi:https://doi.org/10.1785/0220180359
Seismological Research Letters September 25, 2019, Vol.90, 2293-2303. doi:https://doi.org/10.1785/0220190148
Seismological Research Letters October 09, 2019, Vol.90, 2304-2317. doi:https://doi.org/10.1785/0220190162

DATA MINE

Seismological Research Letters September 18, 2019, Vol.90, 2318-2326. doi:https://doi.org/10.1785/0220190044

NEWS AND NOTES

Seismological Research Letters October 09, 2019, Vol.90, 2327-2330. doi:https://doi.org/10.1785/0220190265
  • Cover Image

    Cover Image

    issue cover

    Front: An Mw 7.5 earthquake struck Palu in the northern coast of Sulawesi island, Indonesia, on 28 September 2018. Its focal mechanism was determined to be a left-lateral strike-slip fault, which is generally expected to not produce a tsunami. However, a large tsunami with runup heights of more than 6 m was observed along the coast of Palu city. Lee et al. (this issue) detail a complex triggering supershear source model as determined by teleseismic waveform inversion that shows how horizontal movements combined with complex bathymetry and topography could have pushed seawater to generate a tsunami even though the Palu earthquake was a strike-slip event. The location map shows the epicenter (black open star) and aftershocks (white circles), with insets on the right showing (top) the north–south offset and (bottom) the azimuth displacement.

    Back: Earthquakes induced by subsurface industrial activities are a globally emotive issue, and there is a growing catalog of induced earthquake sequences. However, attempts at discriminating between natural and induced causes, particularly for anomalously shallow seismicity, can be challenging. An earthquake swarm during 2018–2019 in southeast England with a maximum magnitude of ML 3.2 received great public and media attention because of its proximity to operating oilfields. Hicks et al. (this issue) detected 168 low-magnitude earthquakes and computed detailed source parameters of these events. Overall, they found no indicators in the earthquake parameters that would strongly suggest an induced source; nor did they find any clear trends between seismicity and drilling activities based on operational logs provided by the operators. The authors conclude that these earthquakes most likely offer a uniquely detailed insight into shallow seismicity within sedimentary basins.

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