Conference Papers


Dynamic Characteristics of the Colosseum at the Pillar #40 Comparing the Results of Measurement in 1998 and 2013
The dynamic interaction of soil and structure, The International workshop DISS_15, Rome, Italy, Nov. 2015 (PDF, 1.5MB)


Attempts to Estimate the Physical Property of Surrounding Ground and Foundation Concrete for Colosseum using Microtremor
The dynamic interaction of soil and structure, The International workshop DISS_15, Rome, Italy, Nov. 2015 (PDF, 6.3MB)


Dynamic Characteristics of Hagia Sophia in Istanbul Before and After the 1999 Kocaeli Earthquake by Microtremor Measurements
The dynamic interaction of soil and structure, The International workshop DISS_15, Rome, Italy, Nov. 2015 (PDF, 2.6MB)


On a EEW system FREQL and its working situation at the time of the 2011 Tohoku Earthquake
The 2015 international workshop on earthquake early warning, Beijing, China, Nov. 2015 (PDF, 1.7MB)


Some Studies on the 2011 off the Pacific coast of Tohoku Earthquake with a centeral focus ont the strong motion
SDR Report. Jun. 5, 2015 (PDF, 3.6MB)


Vibration Mode Sweep for Trajan Column, Rome.
SDR Report.


•The 2011 off the Pacific coast of Tohoku Earthquake: Outline and some topics
•Measured period of vibration of high-rise buildings recorded on video movies opened to the public excited
by the 2011 off the Pacific coast of Tohoku Earthquake
•A modified estimation method for amplification factor ofground and structures using the H/V spectral ratio

(This technique is patented.)
The dynamic interaction of soil and structure, 2nd international workshop DISS_12, L'Aquila, Italy, March. 2012 (PDF, 4.2MB)


Earthquake Motion of the 2011 off the Pacific Coast of Tohoku Earthquake
and the Situation of Issuing Various Earthquake Alarms
15th World Conference on Earthquake Engineering, Portugal, Sep. 2012 (PDF, 735KB)


Liquefaction caused by the 2011 off the Pacific Coast of Tohoku Earthquake
and the Result of the Prior Microtremor Measurement
15th World Conference on Earthquake Engineering, Portugal, Sep. 2012 (PDF, 1131KB)


Comparison of the P-wave Earthquake Alarm by Multi-Station and Single Station Detection System
15th World Conference on Earthquake Engineering, Portugal, Sep. 2012 (PDF, 222KB)


Continuous Drawing of the Vibration Mode on Ancient Amphitheater Colosseum in Rome
SDR Report.


EARTHQUAKE MOTION OF THE 2011 OFF THE PACIFIC COAST OF TOHOKU EARTHQUAKE
AND THE SITUATION OF ISSUING VARIOUS EARTHQUAKE ALARMS
9th International Conference on Urban Earthquake Engineering / 4th Asia Conference on Earthquake Engineering, Tokyo, Mar. 2012 (PDF, 1.3MB)


MEASURED PERIOD OF VIBRATION OF HIGH-RISE BUILDINGS RECORDED ON VIDEO MOVIES OPENED
TO THE PUBLIC EXCITED BY THE 2011 OFF THE PACIFIC COAST OF TOHOKU EARTHQUAKE
9th International Conference on Urban Earthquake Engineering / 4th Asia Conference on Earthquake Engineering, Tokyo, Mar. 2012 (PDF, 232KB)


LIQUEFACTION CAUSED BY THE 2011 OFF THE PACIFIC COAST OF TOHOKU EARTHQUAKE
AND THE RESULT OF THE PRIOR MICROTREMOR MEASUREMENT
9th International Conference on Urban Earthquake Engineering / 4th Asia Conference on Earthquake Engineering, Tokyo, Mar. 2012 (PDF, 2.8MB)


COMPARISON OF THE P-WAVE EARTHQUAKE ALARM BY MULTI-STATION
AND SINGLE-STATION DETECTION SYSTEMS
9th International Conference on Urban Earthquake Engineering / 4th Asia Conference on Earthquake Engineering, Tokyo, Mar. 2012 (PDF, 168KB)


On the Effective Earthquake Early Warning and its Verifications
8th Annual Meeting, Asia Oceania Geosciences Society, Taiwan, Aug. 2011. (PDF, 4.8MB)


ON THE EFFECTIVE EARTHQUAKE EARLY WARNING SYSTEMS FOR BOTH DISTANT AND NEAR EVENTS
8th International Conference on Urban Earthquake Engineering, Tokyo, Mar. 2011. (PDF, 1.8MB)



The Dynamic Interaction of Soil and Structure (G. D'Ovidio, Y. Nakamura, A. Rovelli and G. Valente)
ARACNE editrice S.r.l. (Feb. 2010)
  • The H/V technique and example of its application for l'Aquila and Rome areas (pp.9-22)
  • Earthquake Early Warning and Realtime Earthquake Disaster Prevention (pp.153-166)

Earthquake Early Warning and Realtime Earthquake Disaster Prevention
[Abstract(248KB)] [Slide(3723KB)]
The 2nd International Workshop on Earthquake Early Warning, Kyoto, Apr.21-22,2009 (PDF,248KB)


New Field of Earthquake Early Warning and its Examples
The 2nd International Workshop on Earthquake Early Warning, Kyoto, Apr.21-22,2009 (PDF,115KB)


Realtime Information Systems for Tokyo Metro Company and Others
The 2nd International Workshop on Earthquake Early Warning, Kyoto, Apr.21-22,2009 (PDF,285KB)


FIRST ACTUAL P-WAVE ALARM SYSTEMS AND EXAMPLES OF DISASTER PREVENTION BY THEM
14th World Conference on Earthquake Engineering, China, Oct.12-17,2008 (PDF, 1870KB)


What is the useful application of the earthquake early warning system?
14th World Conference on Earthquake Engineering, China, Oct.12-17,2008 (PDF, 1158KB)


ON THE H/V SPECTRUM
14th World Conference on Earthquake Engineering, China, Oct.12-17,2008 (PDF, 1499KB)


THE CHANGE OF THE DYNAMIC CHARACTERISTICS USING MICROTREMOR
14th World Conference on Earthquake Engineering, China, Oct.12-17,2008 (PDF, 2058KB)


ON-SITE ALARM THE EFFECTIVE EARTHQUAKE EARLY WARNING
5th International Conference on Urban Earthquake Engineering, Tokyo (Mar. 4-5, 2008) (PDF, 2.4MB)


Disaster Mitigation by Quick Response Against Strong Earthquake Motion
2007 AGU Fall Meeting, San Francisco (Dec. 10-14, 2007)


Onsite Portable Alarm System - Its Merit and Application
2007 AGU Fall Meeting, San Francisco (Dec. 10-14, 2007)


Integrated System for Earthquake Early Warning and Quick Response Against Strong Motion
- In Case of the Tokyo Metro Company
2007 AGU Fall Meeting, San Francisco (Dec. 10-14, 2007)



Earthquake Early Warning Systems (Eds, P.Gasparini et., al.)
Springer-Verlag (Aug. 2007)
  • UrEDAS, the Earthquake Warning System: Today and Tomorrow (pp.249-281)
  • FREQL and AcCo for a Quick Responce to Earthquakes (pp.307-324)

Observational Results of UrEDAS at Pasadena and Other Locations
Earthquake Early Warning Workshop (July 13-15, 2005) (PDF, 28.8MB)


Performance of an Early Warning System, Compact UrEDAS, during Destructive Shaking
Earthquake Early Warning Workshop (July 13-15, 2005) (PDF, 44.2MB)


UrEDAS, URGENT EATHQUAKE DETECTION AND ALARM SYSTEM, NOW AND FUTURE
13th World Conference on Earthquake Engineering, Canada, 2004.8.1-6 (PDF, 426KB)


ON A RATIONAL STRONG MOTION INDEX COMPARED WITH OTHER VARIOUS INDICES
13th World Conference on Earthquake Engineering, Canada, 2004.8.1-6 (PDF, 439KB)


EVALUATION OF THE AMPLIFICATION CHARACTERISTICS OF SUBSURFACE
USING MICROTREMOR AND STRONG MOTION
- THE STUDIES AT MEXICO CITY -

13th World Conference on Earthquake Engineering, Canada, 2004.8.1-6 (PDF, 361KB)


ON RELATIONSHIP BETWEEN THE ESTIMATED STRONG MOTION CHARACTERISTICS
OF SURFACE LAYER AND THE EARTHQUAKE DAMAGE
- TRIAL AT INTRAMUROS, METRO MANILA -

13th World Conference on Earthquake Engineering, Canada, 2004.8.1-6 (PDF, 598KB)


LOCAL SITE OF KOBE ON MICROTREMOR MEASUREMENT
6th International Conference on Seismic Zonation, USA, 2000.11.12-15 (PDF, 198KB)


CLEAR INDETIFICATION OF FUNDAMENTAL OF NAKAMURA'S TECHNIQUE AND ITS APPLICATIONS
12th World Conference on Earthquake Engineering, New Zealand, 2000.2.2 (PDF, 311KB)


VULNERABILITY INVESTIGATION OF ROMAN COLOSSEUM USING MICROTREMOR
12th World Conference on Earthquake Engineering, New Zealand, 2000, REVISION of the paper(2008).(PDF, 1.5MB)


DYNAMIC CHARACTERISTICS OF LEANING TOWER OF PISA USING MICROTREMOR
- PRELIMINARY RESULTS -

25th Japan Conference on Earthquake Engineering, Tokyo, 1999.7.29-31 (PDF, 239KB)


A NEW CONCEPT FOR THE EARTHQUAKE VULNERABILITY ESTIMATION AND ITS APPLICATION TO THE EARLY WARNING SYSTEM
Early Warning Conference '98, Germany, 1998 (PDF, 9.6MB)


SEISMIC VULNERABILITY INDICES FOR GROUND AND STRUCTURES USING MICROTREMOR
World Congress on Railway Research, Italy, 1997.11.16-19 (PDF, 2.4MB)


REAL-TIME INFORMATION SYSTEMS FOR SEISMIC HAZARDS MITIGATION UrEDAS, HERAS AND PIC
Quarterly Report of RTRI, Vol.37, No.3, 1996.11 (PDF, 999KB)


ON A RELATIONSHIP BETWEEN DAMAGE SITES OF THE 1993 KUSHIRO-OKI EARTHQUAKE AND THE MICROTREMOR MEASURED ON SITES (in Japanese)
22st JSCE Earthquake Engineering Symposium, 1993.7 (PDF, 6.8MB)


A METHOD FOR DYNAMIC CHARACTERISTICS ESTIMATION OF SUBSURFACE USING MICROTREMOR ON THE GROUND SURFACE
Quarterly Report of RTRI, Vol.30, No.1, 1989.2 (PDF, 558KB)


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