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List of aftershocks of the April 2015 Nepal earthquake

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Houses destroyed by 2015 Nepal earthquake
Aftershocks of 2015 Nepal earthquake

The following is a list of aftershocks that occurred after the earthquake in Nepal on 25 April 2015. There was some seismic activity in the Jumla district before the main shock. However, they are not foreshocks to the main shock. As of 7 June 2015, over 304 aftershocks have occurred. The large number of aftershocks after the earthquake is considered normal by seismologists.

According to seismologist Roger Musson, the standard pattern for aftershocks is that the biggest aftershock will be one day after, and one magnitude less. Thus, the 6.7 magnitude aftershock on 26 April 2015 following the 7.8 magnitude main shock would fit this pattern. It is highly unlikely that the earthquake was a foreshock preceding an even larger earthquake. Therefore, an earthquake larger than 7.8 in the near future after 25 April 2015 is not expected.

List of aftershocks 5.0 and higher

The list below is incomplete and maybe inaccurate for some aftershocks. Note: The list below shows bigger earthquakes only.

# UTC timestamp Date Time District Mag. Impact ISC # Ref.
Main 2015-04-25 06:11:19 25 April 11:56 Gorkha 7.9 9,061 deaths;
23,447 injured 		607208674
01 2015-04-25 06:38:42 25 April 12:22 Sindhupalchowk 5.5 607260063
02 2015-04-25 06:45:20 25 April 12:30 Gorkha 6.6 607260065
03 2015-04-25 06:56:34 25 April 12:41 Rasuwa 5.7 607260068
04 2015-04-25 07:07:59 25 April 12:52 Rasuwa 5.0 607208681
05 2015-04-25 07:47:02 25 April 13:32 Tibet 5.1 607208683
06 2015-04-25 08:16:59 25 April 14:02 Sindhupalchowk 5.2 607211764
07 2015-04-25 25 April 14:05 Gorkha 5.1
08 2015-04-25 25 April 14:14 Gorkha 5.2
09 2015-04-25 25 April 14:40 Kavrepalanchowk 5.7
10 2015-04-25 25 April 14:48 Rasuwa 5.3
11 2015-04-25 25 April 15:02 Tibet 5.9
12 2015-04-25 25 April 15:15 Sindhupalchowk 5.5
12 2015-04-25 25 April 18:29 Gorkha 5.5
13 2015-04-25 17:42:50 25 April 23:27 Tibet 5.4
14 2015-05-12 07:05:19 12 May 12:50 Dolakha 7.3 218 died,
2500+ injured 		610588278
15 2015-05-12 12 May 13:20 Dolakha 6.3
16 2015-05-24 21:38:41 25 May 03:23 Gorkha 5.0
17 2015-05-26 26 May 22:52 Rasuwa 5.0
18 2015-05-29 29 May 15:44 Dhading 5.2
19 2015-06-11 11 June 21:57 Sindhupalchowk 5.3
20 2015-06-13 13 June 07:06 Dolakha 5.2
21 2015-06-17 17 June 06:14 Sindhupalchowk 5.2
22 2015-06-17 17 June 08:00 Sindhupalchowk/Tibet 5.1
23 2015-06-20 20 June 18:08 Rukum 5.4
24 2015-06-29 29 June 05:42 Ramechhap 5.0
25 2015-07-02 2 July 07:41 Sindhupalchowk 5.0
  1. Times are Nepal Standard Time (NST): UTC + 05:45.
  2. International Seismological Centre event identifier.

Notes

1. The list uses data from National Seismological Centre of Nepal, not of US Geological survey. The magnitude is local magnitude.
2. The earthquake of 12 May 2015 was an aftershock of Gorkha earthquake and not a separate earthquake.
3. All times shown below (including the ones for Tibet) are in Nepal Standard Time and in 24-hour format. Seconds are not shown in all times below.
4. All dates are in the DD Month Year format (Little-endian).
5. Please note that a significant number of aftershocks are missing in this list for the date between 27 April and 12 May.

References

  1. "M5.0 – 51 km SSE of Jumla, Nepal". United States Geological Survey.
  2. "M4.3 – 43 km SSE of Jumla, Nepal". United States Geological Survey.
  3. ^ "Aftershocks of Gorkha Earthquake". National Seismological Centre, Nepal.
  4. "Nepal Earthquake: How Dangerous Are Aftershocks?". The Telegraph, UK. 27 April 2015.
  5. ANSS. "Ghorka 25 April 11:56: M7.8 – 34 km ESE of Lamjung, Nepal". Comprehensive Catalog. U.S. Geological Survey.
  6. ANSS. "Kodari 25 April 12:22: M5.1 – 28 km SSW of Kodari, Nepal". Comprehensive Catalog. U.S. Geological Survey.
  7. ANSS. "Lamjung 25 April 12:30: M6.6 – 49 km E of Lamjung, Nepal". Comprehensive Catalog. U.S. Geological Survey.
  8. ANSS. "Nakarkot 25 April 12:41: M5.5 – 25 km NNE of Nagarkot, Nepal". Comprehensive Catalog. U.S. Geological Survey.
  9. ANSS. "Kodari 25 April 12:52: M5.0 – 25 km S of Kodari, Nepal". Comprehensive Catalog. U.S. Geological Survey.
  10. ANSS. "Chongdui 25 April 23:27: M5.4 – 22 km WNW of Chongdui, China". Comprehensive Catalog. U.S. Geological Survey.
  11. This event considered an aftershock of the April 25th event.

External links

2015 Nepal earthquakes
Earthquakes in Nepal
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