West Japan Railway says four trains had been stranded for about 11 hours. The trains were on their way to Kanazawa and Toyama stations.
The operator says its employees delivered food to the passengers while they were stranded. The company says services between Kanazawa station and Nagano station will be suspended until around noon on Tuesday.
For updates on Monday's earthquake and tsunami Tsunami advisories still in effect after major earthquake on Sea of Japan coast
Over 30,000 households remain without power
Officials say about 33,000 households in Ishikawa, Niigata, and Toyama prefectures were without power as of 8:00 p.m.
Officials at fire departments and hospitals have told NHK that as of 7 p.m., multiple people were injured in Ishikawa, Niigata, and Fukui prefectures. Reports say they were hit by falling objects or suffered broken bones. Officials are trying to determine the extent of the damage and mount rescue operations, but the full extent of the disaster remains unclear.
An official at a hospital in Suzu City in Ishikawa Prefecture says some of the injured have been taken there. Some doctors have been unable to reach the hospital due to damaged roads. The official also says the hospital is operating with a backup generator.
Telecom carriers report service disruptions in quake-hit areas
Japan's major telecom carriers say they are suffering service disruptions in the prefectures hit by the earthquakes.
NTT Docomo says its voice calls and data services are not available or have been difficult to use in some areas in Ishikawa and Niigata prefectures. Its fiber optic internet and IP phone services are also being disrupted in some parts of Ishikawa Prefecture.
Softbank and Rakuten Mobile also say their services are seeing similar disruptions in some areas in Ishikawa and Niigata prefectures.
KDDI says its services have been affected in some areas in Ishikawa Prefecture.
Fixed-line carrier NTT West also says its internet and IP phone services may not be available in some areas of Ishikawa Prefecture. The operator says its emergency phone service could also be affected.
It says its telecom facilities have been damaged by the earthquake.
Japan mobile carriers offering disaster message services
Japan's major telecom carriers are offering users the capability to register and check whether a person is safe after a massive earthquake hit central Japan.
Four major carriers ー NTT Docomo, KDDI, Softbank and Rakuten Mobile ー are now operating a disaster message board. Users can post their safety status in text messages to the Internet. The information can be checked from smartphones, other mobile phones, and PCs.
Fixed-line carriers NTT East and NTT West are also offering a disaster emergency voice message dial service. Users should dial 171 from mobile or conventional phones. Messages are recorded when their phone numbers are input. Messages can be played back when dialing 171 and inputting the phone number.
The two carriers also started an online service that allows users to record and check messages via the Internet. The website is https://www.web171.jp.
Latest updates on quake effects on Shinkansen services
East Japan Railway says it has resumed Hokuriku Shinkansen service between Tokyo and Nagano. But service between Nagano and Kanazawa has stopped through Monday.
It says Joetsu Shinkansen service between Echigoyuzawa and Niigata is also suspended through Monday.
Other shinkansens are operating but service is delayed in many areas.
Central Japan Railway says it has resumed Shinkansen services between Tokyo and Odawara stations and between Toyohashi and Shin-Kobe stations on the Tokaido Shinkansen line.
