1、Japans Early Warning System:The Role of Mobile Network OperatorsJanuary 2026Authors Ali Chavishian,Chief Project Manager,EWS and DX for DRR,Pacific Consultants Co.,Ltd.Shuusaku Nakamura,Chief Project Manager,ICT and DX Solutions,Pacific Consultants Co.,Ltd.Susanna Acland,Mobile for Humanitarian Inno
2、vation,GSMAContributors Asuka Suzuki,Specialist in DRR Capacity Development,Pacific Consultants Co.,Ltd.Keiji Hasuo,Specialist in Smart Infrastructure,Pacific Consultants Co.,Ltd.Natsumi Kobayashi,Specialist in Social Sustainability,Pacific Consultants Co.,Ltd.Acknowledgments This report was prepare
3、d with valuable inputs from Japans mobile network operators(MNOs):NTT DOCOMO,KDDI,SoftBank and Rakuten Mobile.We are grateful for their time,operational insights and lessons shared through key informant interviews and the validation workshop.We would like to thank the Ministry of Internal Affairs an
4、d Communications(MIC)and the Japan Meteorological Agency(JMA)for their leadership and guidance.We also appreciate the contributions of the Ministry of Land,Infrastructure,Transport and Tourism(MLIT)and the Japan International Cooperation Agency(JICA).Further thanks go to the Fire and Disaster Manage
5、ment Agency(FDMA),the Foundation for Multimedia Communications(FMMC),the Tokyo Metropolitan Government(TMG)and other municipalities.We acknowledge the Telecommunications Carriers Association(TCA),which is an industry association,for facilitating sector coordination.We also thank the many communities
6、 and practitioners whose experience and preparedness efforts continue to strengthen Japans warning and response systems.The GSMA is a global organisation unifying the mobile ecosystem to discover,develop and deliver innovation foundational to positive business environments and societal change.Our vi