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size_and_occurance.py
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size_and_occurance.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Fri Jun 29 09:20:28 2018
@author: william
"""
import obspy
from obspy import read
import numpy as np
from numpy import genfromtxt
import matplotlib.pyplot as plt
from obspy import Stream
from obspy.signal.trigger import classic_sta_lta, recursive_sta_lta
from obspy.signal.trigger import plot_trigger, trigger_onset
from obspy import UTCDateTime
#%% import data
stre = read("/Users/william/Documents/scanner/output_data/EXP_all_data_stream_month_1.mseed")
per_day = genfromtxt("/Users/william/Documents/scanner/all_stations/Explosions_per_day_v2.csv", delimiter=',',skip_header=1,skip_footer=1)
data = genfromtxt("/Users/william/Documents/scanner/all_stations/EXP_all_coincidence_month_1.csv", delimiter=',',skip_header=1)
#%% Events per day and per week
plt.figure(10001)
plt.plot(per_day[:,1],per_day[:,0])
plt.ylim([0,max(per_day[:,0])+10])
plt.xlabel('Day Number')
plt.ylabel('Number of Explosions')
plt.title('Explosions per Day')
epw=np.zeros(shape=(1,2))
day=0
week=0
nepw=0
for x in range(0,len(per_day)):
nepw += per_day[x,0]
day += 1
if day == 7:
epw[week][0] = nepw
epw[week][1] = week
week +=1
day=0
nepw=0
if len(per_day)-x > 7:
epw = np.lib.pad(epw, ((0,1),(0,0)), 'constant', constant_values=(0))
plt.figure(10002)
plt.plot(epw[:,1],epw[:,0])
plt.ylim([0,max(epw[:,0])+50])
plt.xlabel('Week Number')
plt.ylabel('Number of Explosions')
plt.title('Explosions per Week')
#
#%% "Energy" of each event
event_stream = Stream()
event_list=np.zeros(shape=(1,1))
event_count=0
event_stream.append(stre[0])
event_list[event_count]=stre[0].stats.starttime.timestamp
event_list = np.lib.pad(event_list, ((0,1),(0,0)), 'constant', constant_values=(0))
event_count +=1
for x in range(1,len(stre)):
if stre[x].stats.station == "LB01":
event_stream.append(stre[x])
event_list[event_count]=stre[x].stats.starttime.timestamp
event_list = np.lib.pad(event_list, ((0,1),(0,0)), 'constant', constant_values=(0))
event_count +=1
else:
rt=stre[x].stats.starttime.timestamp
near,ix=find_nearest(event_list[:,0], rt)
if abs(near-rt) > 60:
event_stream.append(stre[x])
event_list[event_count]=stre[x].stats.starttime.timestamp
event_list = np.lib.pad(event_list, ((0,1),(0,0)), 'constant', constant_values=(0))
event_count +=1
#print(len(data_stream))
sr = 100
nsta=int(1*sr)
nlta=int(10*sr)
trig_on=2.5
trig_off=0.05
#for x in range(0,len(data_stream)):
for x in range(0,10):
data_s=event_stream[x].data
max_a = data_s.max()
min_a = data_s.min()
p2p= max_a-min_a
cft=recursive_sta_lta(data_s, nsta, nlta)
# plot_trigger(sq_stream[x], cft, trig_on, trig_off)
on_off = trigger_onset(cft,trig_on,trig_off)
start = event_stream[x].stats.starttime
tr = event_stream[x].slice(starttime=start+(on_off[0,0]/sr) , endtime=start+(on_off[0,1]/sr))
print('event:',event_stream[x].stats.starttime ,'from station: ',stre[x].stats.station,', has energy: ',sum(np.square(tr.data)),' and peak to peak:', p2p)
plt.figure(x)
plt.plot(tr)
plt.figure(x+20)
plt.plot(np.square(tr.data))
#%% energy information
day_one = 1416787200.0
day_energy=0
day_count=0
e_count=0
days=0
energy_each_event = av_energy_list =np.zeros(shape=(1,1))
av_energy_list =np.zeros(shape=(1,1))
total_energy_list =np.zeros(shape=(1,1))
for x in range(0,len(per_day)):#len(per_day)
day_start = day_one + x*24*60*60
day_end = day_start + 24*60*60 - 0.01
# print(UTCDateTime(day_start),' to', UTCDateTime(day_end))
for p in range(0,len(event_stream)):
if day_start < event_stream[p].stats.starttime.timestamp < day_end :
# ADD IN CALIBRATIONS ########################################################
day_count += 1
data_s=event_stream[p].data
max_a = data_s.max()
min_a = data_s.min()
p2p= max_a-min_a
cft=recursive_sta_lta(data_s, nsta, nlta)
# plot_trigger(sq_stream[x], cft, trig_on, trig_off)
on_off = trigger_onset(cft,trig_on,trig_off)
start = event_stream[p].stats.starttime
tr = event_stream[p].slice(starttime=start+(on_off[0,0]/sr) , endtime=start+(on_off[0,1]/sr))
event_energy = sum(np.square(tr.data))
day_energy += event_energy
# print('event:',event_stream[p].stats.starttime ,'station: ',event_stream[p].stats.station,', energy: ',event_energy,', peak to peak:', p2p)
energy_each_event[e_count] = event_energy
energy_each_event = np.lib.pad(energy_each_event, ((0,1),(0,0)), 'constant', constant_values=(0))
e_count += 1
# if event_energy > 1e16:
# tr.plot()
print('total energy in the day:',UTCDateTime(day_start),'=', day_energy)
av_day_energy = day_energy/day_count
print('average energy in day:',UTCDateTime(day_start),'=', av_day_energy)
av_energy_list[days]= av_day_energy
total_energy_list[days] = day_energy
av_energy_list = np.lib.pad(av_energy_list, ((0,1),(0,0)), 'constant', constant_values=(0))
total_energy_list = np.lib.pad(total_energy_list, ((0,1),(0,0)), 'constant', constant_values=(0))
day_count = 0
day_energy=0
days += 1
plt.figure(2001)
plt.plot(av_energy_list)
plt.figure(2002)
plt.plot(total_energy_list)
plt.figure(2003)
plt.plot(energy_each_event)