Moderate mag. 5.9 earthquake - 15km E of Chabu, China on Sunday, 21 July 2013

Moderato terremoto magnitudine 5.9 - 138 km a ovest da Tianshui, Gansu, Cina, domenica, 21 luglio 2013

Moderato terremoto magnitudine 5.9 - 138 km a ovest da Tianshui, Gansu, Cina, domenica, 21 luglio 2013

Moderate magnitude 5.9 earthquake at 10 km depth

22 Jul 00:05 UTC: Primo a segnalare: USGS dopo 19 minuti.
Data & ora: 21 Jul 2013 23:45:56 UTC
Ora locale a epicentro: Monday, July 22, 2013 07:45:56
Magnitudine: 5.9
Profondità: 9.8 km
Epicentro latitudine / longitudine: 34.4991°N / 104.2427°E (Gansu, Cina)
Nearby towns and cities:
138 km O da Tianshui (pop: 3,500,000) --> Vedi sismi vicini
151 km O da Beidao (pop: 74,800) --> Vedi sismi vicini
155 km SE da Linxia Chengguanzhen (pop: 202,400) --> Vedi sismi vicini
177 km SSE da Lanzhou (pop: 2,628,400) --> Vedi sismi vicini
228 km S da Baiyin (pop: 188,500) --> Vedi sismi vicini
251 km OSO da Pingliang (pop: 108,200) --> Vedi sismi vicini
408 km SSE da Wuwei (pop: 493,100) --> Vedi sismi vicini
427 km N da Chengdu (Sichuan) (pop: 7,415,600) --> Vedi sismi vicini
481 km SSE da Jinchang (pop: 144,400) --> Vedi sismi vicini
1232 km OSO da Pechino (Beijing) (pop: 11,716,600) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 4.5 x 1013 joules (12.4 gigawatt hours, equivalent to 10676 tons of TNT or 0.7 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
MagnitudineProfonditàUbicazioneFonte
M 6.010 kmGansu, ChinaGFZ
M 6.010 km GANSU, CHINAEMSC
M 5.99.8 km13km E of Chabu, ChinaUSGS
M 5.910 kmE of Chabu, ChinaGeoAu

shake map
(shakemap: USGS)

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Chengdu / Light shaking (MMI IV)
Xi'an (China, 433 km E of epicenter) : My first Earthquake was that one on the American East Coast a year or two back. By the time I realized what it was, it was almost over. This one seemed weaker, but it I knew what it was immediately, so it caused me a lot more anxiety as I waited the thing out.Not sure if it was useful, but I wanted to say that. (reported through EMSC)
Lanzhou (China, 175 km NW of epicenter) : I lived in Tokyo during the March 2011 Tohoku earthquake so was quite worried at the first shaking but it was over quickly. This felt like a gentle swaying compared to the jerkiness of other earthquakes I've experienced. I have not liver here long and not made my earthquake kit yet - a good reminder to get it done. (reported through EMSC)
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Aftershocks of the 5.9 quake 138 km west of Tianshui, Gansu, China, Monday, July 22, 2013 07:45:56

More info
Recorded aftershocks, latest first (3 quakes):
  • 28 Jul 2013 15:26 UTC
    | M 4.6 |
    15 km (9.3 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 22 Jul 2013 01:12 UTC
    | M 5.6 |
    10.1 km (6.3 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 22 Jul 2013 00:09 UTC
    | M 4.7 |
    9.4 km (5.8 mi) depth
    |
    28 km (17 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Moderate mag. 5.9 earthquake - 138 km west of Tianshui, Gansu, China, on Monday, July 22, 2013 07:45:56
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