Emergency Alert Technology

End-to-end pipeline

Platform architecture overview.

From data ingestion to user notification, every layer is purpose-built for emergency information delivery at scale.

Data Ingestion Layer

Multi-source feeds from seismic networks, meteorological services, hydrological sensors, government alert systems, and verified reporting channels. Supports push and pull collection models.

Core

Normalization Engine

Standardizes heterogeneous data formats into a unified internal schema. Handles CAP, GeoJSON, RSS/Atom, proprietary API formats, and structured text. Deduplication and event merging.

Core

Validation & Classification Engine

Evaluates source credibility, cross-references multi-source data, assigns hazard type and sub-type classification, and produces an initial severity assessment. Flags uncertain or unverified data.

Core

Geospatial Engine

Calculates affected geographic polygons, impact zones, and advisory areas from event parameters. Performs spatial intersection with user location data — current GPS, saved locations, and travel destinations.

Geospatial

Risk Classification & Rules Engine

Applies configurable rule sets to determine final severity level (Critical / Warning / Advisory / Information), notification priority, and audience segmentation. Handles escalation and de-escalation as events evolve.

Classification

Localization & Translation Engine

Converts structured alert data into human-readable messages in the user's preferred language. Applies plain-language standards, consistent hazard terminology, and accessible writing guidelines. Supports RTL languages.

Localization

Notification Orchestration

Routes alerts to appropriate delivery channels based on severity, user preferences, and channel availability. Manages rate limiting, deduplication, and anti-fatigue logic. Ensures strict separation of life-safety and non-emergency content.

Delivery

Delivery Infrastructure

Mobile push notifications, web delivery, and future integrations for SMS, email, voice, wearables, and partner APIs. Channel availability varies by deployment.

Delivery

Monitoring, Audit & Observability

Real-time system health monitoring, delivery audit trails, event history logs, and performance observability. Supports auditability of alert lifecycle from ingestion to receipt.

Ops

Platform capabilities

What the platform is designed to do.

Each capability is built around a core principle: emergency information must be timely, relevant, understandable, actionable, and trustworthy.

Multi-hazard coverage

A unified architecture that handles natural disasters, security events, and public safety incidents through the same pipeline — with hazard-specific classification logic for each category.

EarthquakesFloodsWildfiresStormsSecurity

Precision geolocation

Geospatial intersection engine that calculates which users are in affected areas based on event parameters. Supports point location, polygon zones, and radius-based impact areas.

GeoJSONPolygon zonesRadiusMulti-location

Multilingual localization

Architecture designed to deliver alerts in the user's preferred language, with consistent hazard terminology, plain language standards, and RTL layout support for Arabic and other right-to-left scripts.

10+ languagesRTLPlain languageCAP terminology

Event lifecycle management

Tracks events from initial detection through updates, escalations, de-escalations, and resolution. Surfaces a timeline to users so they can follow the situation as it evolves.

Timeline trackingEscalationResolutionUpdates

Severity classification

A four-tier severity system — Critical, Warning, Advisory, Information — applied consistently across all hazard types. Severity determines notification priority, visual treatment, and delivery behavior.

CriticalWarningAdvisoryInformation

Interoperability design

Designed around interoperable emergency communication concepts including CAP (Common Alerting Protocol). Architecture can be extended to integrate with existing government and public safety warning infrastructure.

CAPAPI-firstPartner feedsOpen standards

Alert data model

What every alert contains.

Each alert is a structured data object with a defined set of fields. This enables consistent presentation, source attribution, and audit capability across all hazard types.

event_type

Hazard Type

Standardized hazard classification (earthquake, tsunami, wildfire, storm, flood, security, etc.)

severity

Severity Level

Critical / Warning / Advisory / Information — applied consistently across hazard types

certainty

Certainty

Observed / Likely / Possible / Unknown — confidence level in the classification

source

Data Source

Attributed originating source (USGS, JMA, PTWC, CAL FIRE, NWS, etc.) — always shown to users

area_geometry

Affected Area

GeoJSON polygon or SAME location codes defining the affected geographic zone

onset

Onset Time

Expected time the hazard begins — displayed in user's local timezone

expires

Expiry Time

Time after which the alert is no longer active — displayed locally with UTC reference

instruction

Recommended Action

Localized, plain-language guidance on what the user should do — hazard-type specific

headline

Alert Headline

Short, clear summary of the event — designed for push notification delivery

description

Full Description

Detailed event description with magnitude, location specifics, context, and impact assessment

status

Alert Status

Actual / Exercise / Test / Draft — distinguishes real events from drills at the data level

msg_type

Message Type

Alert / Update / Cancel / Error — lifecycle state of the alert record

Interoperability

Designed around CAP and open standards.

CAP (Common Alerting Protocol) is the internationally recognised XML-based standard for emergency alerts, used by national meteorological services, FEMA, the European Commission, and many national early warning systems.

Alarms Network is designed around interoperable emergency communication concepts and can be architected to work with CAP-compliant data sources and downstream consumers.

Note on certification

Alarms Network does not currently claim formal CAP certification. References to CAP describe the design philosophy and intended compatibility approach, not a certified implementation.

International principles

Designed with internationally recognised principles for people-centred multi-hazard early warning systems in mind, covering risk knowledge, monitoring, communication, and preparedness.

Illustrative CAP structure

          <!-- Illustrative CAP 1.2 example -->

          <alert xmlns="urn:oasis:names:tc:emergency:cap:1.2">

            <identifier>AN-2025-0001</identifier>

            <sender>[email protected]</sender>

            <sent>2025-03-14T14:32:00Z</sent>

            <status>Actual</status>

            <msgType>Alert</msgType>

            <info>

              <category>Geo</category>

              <event>Earthquake</event>

              <urgency>Immediate</urgency>

              <severity>Severe</severity>

              <certainty>Observed</certainty>

              <headline>Earthquake M6.8 — Pacific region</headline>

              <instruction>Drop, Cover and Hold On.</instruction>

            </info>

          </alert>

Delivery channels

Multi-channel alert delivery.

Alarms Network is designed as a multi-channel platform. Current availability and planned integrations are listed below.

Channel	Description	Status	Notes
Mobile Push	iOS and Android push notifications via the Alarms Network mobile app	Available	Primary channel; severity-aware notification behavior
Web	Browser-based alerts and web push notifications	Available	Progressive web app support planned
SMS	Text message delivery for critical and warning-level events	Planned	Particularly important for low-connectivity areas
Email	Email digest and alert delivery for advisory and informational content	Planned	Digest format for non-critical events
Voice	Automated voice call delivery for critical alerts	Future	Relevant for elderly and accessibility-focused use cases
Wearables	Apple Watch, Wear OS and other wearable device integrations	Integration ready	Quiet critical alerts on wrist
API / Partners	REST API delivery to partner applications and third-party integrations	Integration ready	Webhook and polling models supported in architecture
Public displays	Digital signage and public screen integrations for campuses and venues	Future	Designed for organizational deployments

Security

Security is architecture, not afterthought.

The Alarms Network platform is designed with security principles built into every layer — from data ingestion through delivery.

Encryption in transit

All data transmitted between platform components, APIs, and delivery channels is encrypted using modern TLS protocols.

Secure authentication

API access requires authenticated credentials. User accounts are protected with modern authentication practices.

Least privilege

System components operate with the minimum permissions necessary. Access to sensitive data is restricted by role.

Audit logging

Alert lifecycle events are logged with timestamps — from ingestion through delivery — providing a full audit trail.

System monitoring

Real-time observability of platform health, delivery rates, and anomalous activity across all system components.

Responsible disclosure

A responsible disclosure channel is available for researchers to report security concerns. Contact information is on the About page.

Note on certifications: Alarms Network does not currently claim specific security certifications. This section describes design principles and intended security architecture. Specific certifications will be published when formally obtained.

Performance design targets

Built for speed and reliability.

These are design targets — architecture goals that guide engineering decisions. Confirmed operational metrics will be published when benchmarks are established.

Multi-source

Data ingestion

Designed to ingest from multiple concurrent emergency monitoring sources

Sub-minute

Processing target

Design target from ingestion to notification generation for critical events

Global

Geographic scope

Architecture supports multi-region operation across international data sources

10+

Languages

Localization architecture designed to support multiple language outputs

Technology built for the
moments that matter.

Platform architecture overview.

What the platform is designed to do.

What every alert contains.

Designed around CAP and open standards.

Multi-channel alert delivery.

Security is architecture, not afterthought.

Built for speed and reliability.

See it in action.

Technology built for themoments that matter.

Platform architecture overview.

What the platform is designed to do.

What every alert contains.

Designed around CAP and open standards.

Multi-channel alert delivery.

Security is architecture, not afterthought.

Built for speed and reliability.

See it in action.

Technology built for the
moments that matter.