USGS Earthquake Delta Monitor
Pricing
from $5.00 / 1,000 earthquake alerts
USGS Earthquake Delta Monitor
Pricing
from $5.00 / 1,000 earthquake alerts
Event ID
eventId
Required
USGS event identifier (e.g. us7000abcd).
Time (epoch ms)
time
Required
Earthquake occurrence time in epoch milliseconds.
Time (UTC)
timeUtc
Optional
Earthquake occurrence time as an ISO-8601 UTC string.
Magnitude
mag
Required
Earthquake magnitude reported by USGS.
Magnitude type
magType
Optional
Magnitude type reported by USGS (e.g. mb, ml, mw, me).
Place
place
Required
USGS place description of the epicenter.
Latitude
latitude
Optional
Epicenter latitude in decimal degrees.
Longitude
longitude
Optional
Epicenter longitude in decimal degrees.
Depth (km)
depthKm
Optional
Hypocenter depth in kilometers.
USGS URL
url
Optional
Link to the USGS event page.
Detail URL
detail
Optional
Link to the USGS event detail (GeoJSON) endpoint.
Status
status
Optional
USGS event status (e.g. reviewed, automatic).
Alert level
alert
Optional
USGS alert level (e.g. green, yellow, orange, red).
Tsunami
tsunami
Optional
1 if a tsunami was observed or expected, 0 otherwise.
Significance
significance
Optional
USGS significance score.
Network
network
Optional
Seismic network code (e.g. us).
Event code
code
Optional
USGS event code.
Event IDs
ids
Optional
All identifiers associated with the event.
Sources
sources
Optional
Agencies that contributed to the event location.
Types
types
Optional
Event type products available from USGS.
New since last run
newSinceLastRun
Required
Always true — the Actor only emits earthquakes newer than the last checked state.
Watchlist entry matched
watchlistMatched
Optional
The watchlist entry {minMag, place, region} this event matched.
Source
source
Optional
USGS FDSN Event Web Service endpoint used.
