g. suresh seismology division india meteorological...
TRANSCRIPT
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G. SureshSeismology Division
India Meteorological DepartmentNew Delhi-110 003
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Seismicity map of India
and Neighborhood
1. Himalayan mountain range,
1. Northeast India,
1. Andaman-Nicobar islands and
1. Rann of Kutch region.
In India, the main seismic zone runs along:
Magnitude
- 5-5.9
- 6-6.9
- 7-7.9
- 8-8.9
- 9.0 and more
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Earthquake Hazard Map of India
Seismic Zone
Intensity on MM Scale
% of total area
II (Low intensity zone)
VI (or less)
43
III (Moderate intensity zone)
VII 27
IV (Severe intensity zone)
VIII 18
V (Very severe intensity zone)
IX (and above)
12
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EARTHQUAKE MONITORING NETWORKS OF IMD
Seismic telemetry network around Delhi (16)National Seismic Network (55)
Seismic telemetry network in Northeast India (20)
Real time data exchange with IRIS from three Indian stations: PortBlair, Shillong and Minicoy
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Seismological Observatories in India
M>3.0 in Peninsular shield andA&N Islands
M>4.0 in extra-Peninsularregion.
M>3.0 in the border regions.
The detection capability in someareas such as Koyna, NWHimalaya, Gujarat, Delhi, NEIndia is M>2.0
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Installations at field station (Bhuj)
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Continuous Waveform Display
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field Stations
VSATNAQS
Server-I
GLASS/HYDRA
(1)SUN V490 Servers Windows XP
Data Analysis
Mobile SMS
Processing System
Dissemination System
System Overview Diagram- Central Receiving Station
NGRI and WIHG (NAQS Server)
&IRIS GSN Network data (about 106 stations)
Internet
NAQSServer-II
GLASS/HYDRA
(2)
Simultaneous Fax
Website Updation
IVRS
Event Publishing System
(SUN Sparc45)
Ring Buffers
SUN Storedge 3510FC Array1 TB
SUN StorEdge C2 Autoloader -2TB
Waveform Display
Event Display
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DISPLAY MAP OF EARTHQUAKE LOCATIONS
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IRIS GSN Network data (about 100 stations)
VSAT
Internet
RTSMN data from acquisition system installed in IMD
Local LAN connectivity
Linux Server-1(SeisComp-3Auto-location
Software)(Primary)
Linux Server-2(SeisComp-3Auto-location
Software)(Secondary)
Linux Server-3(Analysis
Computer cumDissemination
system)
Mobile SMS
(Level-1&2)
Email(Level-1&2)
19 fieldstations in North-Eastpart of India
Existing System Overview Diagram- Central Receiving Station of North-East Telemetry Network
Data Acquisition Server & Auto-location system
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Er–Ratio of Broadband to high frequency energy,where, f1=0.01 Hz, f2=0.30 Hz, f3=2.00 Hz.
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Response time - Status
Prior to 1996
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Stations configured in RTSMN (NGRI / WIHG stations and ~ 100 IRIS / GSN stations
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GLOBAL (IRIS / GSN)STATIONS
INTEGRATED (MoES)SEISMIC / GPS
NETWORK (~170)
WIHG (10)NGRI (30)ISR (20)
DTN (25)
NEIST (21)
OSN (53)
NE NETWORK (20)
VSAT (OWN HUB)
SEED-LINK SERVER
(WITH DATA FORMAT
CONVERSION)
NEN
Internet
REAL-TIME DATA PROCESSING & AUTOLOCATION WORKSTATIONS
RTSMN
OSN
DTN
RTSMN (TSUNAMI WARNING
SYSTEM-17) VSAT
(SHARED HUB)
OTHERS (11)
VSAT(SHARED HUB)
WEB SITE
SMS
FAX
Tel. IVRS
1.2 / 1.8m
1.2 / 1.8m
9.0 m
DECISION SUPPORT &
EARTHQUAKEINFORMATION
DISSEMINATIONSYSTEM
SCHEMATIC OF SEISMOLOGICAL OPERATIONSField Stations Communications RDBMS
Event data managementfor preparation of final Seismological bulletin
SAN 16TB
Tape drive
Archival andBackup system
Acq. Server
Total volume of data ≈14.0GB /day
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5-scanners (600dpi/800dpi optical resolution), a SAN storage system (84 TB), 2 - Linux servers and 15 desktops
Facilities created for archival and vector digitization of seismic charts
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IMD’S NETWORK DATA GETS
INCORPORATED IN THE
BULLETINS OF INTERNATIONAL SEISMOLOGICAL
CENTRE (ISC)
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