from pathlib import Path
import json


# 读取作为字符串的数据并转换为Python对象。
path = Path('eq_data/eq_data_1_day_m1.geojson')
contents = path.read_text()
all_eq_data = json.loads(contents)

# 获取数据集中地震列表。
all_eq_dicts = all_eq_data['features']

mags, titles, lons, lats = [], [], [], []
for eq_dict in all_eq_dicts:
    mag = eq_dict['properties']['mag']
    title = eq_dict['properties']['title']
    lon = eq_dict['geometry']['coordinates'][0]
    lat = eq_dict['geometry']['coordinates'][1]
    mags.append(mag)
    titles.append(title)
    lons.append(lon)
    lats.append(lat)

print(mags[:10])
print(titles[:2])
print(lons[:5])
print(lats[:5])