diff --git a/pylot/core/pick/autopick.py b/pylot/core/pick/autopick.py
index 17209378..1c06bd7c 100644
--- a/pylot/core/pick/autopick.py
+++ b/pylot/core/pick/autopick.py
@@ -24,7 +24,7 @@ from pylot.core.util.utils import getPatternLine, gen_Pool, identifyPhase, loopI
 from obspy.taup import TauPyModel
 
 
-def autopickevent(data, param, iplot=0, fig_dict=None, ncores=0, metadata=None, origin=None):
+def autopickevent(data, param, iplot=0, fig_dict=None, ncores=1, metadata=None, origin=None):
     stations = []
     all_onsets = {}
     input_tuples = []
@@ -87,6 +87,15 @@ def call_autopickstation(input_tuple):
     return autopickstation(wfstream, pickparam, verbose, iplot=0, metadata=metadata, origin=origin)
 
 
+def get_source_coords(parser, station_id):
+    station_coords = None
+    try:
+        station_coords = parser.get_coordinates(station_id)
+    except Exception as e:
+        print('Could not get source coordinates for station {}: {}'.format(station_id, e))
+    return station_coords
+
+
 def autopickstation(wfstream, pickparam, verbose=False,
                     iplot=0, fig_dict=None, metadata=None, origin=None):
     """
@@ -224,11 +233,11 @@ def autopickstation(wfstream, pickparam, verbose=False,
             if not metadata[1]:
                 print('Warning: Could not use TauPy to estimate onsets as there are no metadata given.')
             else:
-                if origin:
+                station_id = wfstream[0].get_id()
+                parser = metadata[1]
+                station_coords = get_source_coords(parser, station_id)
+                if station_coords and origin:
                     source_origin = origin[0]
-                    station_id = wfstream[0].get_id()
-                    parser = metadata[1]
-                    station_coords = parser.get_coordinates(station_id)
                     model = TauPyModel(taup_model)
                     arrivals = model.get_travel_times_geo(
                         source_origin.depth,
@@ -254,9 +263,8 @@ def autopickstation(wfstream, pickparam, verbose=False,
                     Lc = pstop - pstart
                     print('autopick: CF calculation times respectively:'
                           ' pstart: {} s, pstop: {} s'.format(pstart, pstop))
-                else:
+                elif not origin:
                     print('No source origins given!')
-
         else:
             Lc = pstop - pstart
         Lwf = zdat[0].stats.endtime - zdat[0].stats.starttime
diff --git a/pylot/core/pick/picker.py b/pylot/core/pick/picker.py
index 84a7107a..67b114ce 100644
--- a/pylot/core/pick/picker.py
+++ b/pylot/core/pick/picker.py
@@ -219,11 +219,13 @@ class AICPicker(AutoPicker):
             # check, if these are counts or m/s, important for slope estimation!
             # this is quick and dirty, better solution?
             if max(self.Data[0].data < 1e-3) and max(self.Data[0].data >= 1e-6):
-                self.Data[0].data = self.Data[0].data * 1000000
+                self.Data[0].data = self.Data[0].data * 1000000.
             elif max(self.Data[0].data < 1e-6):
                 self.Data[0].data = self.Data[0].data * 1e13
             # get signal window
             isignal = getsignalwin(self.Tcf, self.Pick, self.TSNR[2])
+            if len(isignal) == 0:
+                return
             ii = min([isignal[len(isignal) - 1], len(self.Tcf)])
             isignal = isignal[0:ii]
             try: