Earthquakes around the world

We have a series of earthquakes Nicobar Islands

M5.8. Nicobar Islands, India region
2021-08-02 22:43:54 (UTC-05:00)10.0 km

M6.1. Nicobar Islands, India region
2021-08-02 22:42:38 (UTC-05:00)10.0 km

M5.3. Nicobar Islands, India region
2021-08-02 22:42:08 (UTC-05:00)10.0 km

M5.3 Nicobar Islands, India region
2021-08-02 20:51:14 (UTC-05:00)10.0 km

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World Earthquake Report past 24h: 1 quake 6.0+, 9 quakes 5.0+, 50 quakes 4.0+, 143 quakes 3.0+, 290 quakes 2.0+

World Earthquake Report for Tuesday, 3 August 2021

Other EQs M5.0+ (within the 9 reported)

M5.2 29 km SSW of Mandráki, Greece
2021-08-03 07:38:18 (UTC-05:00)10.0 km

M5.5 111 km ENE of Lorengau, Papua New Guinea 2021-08-03 07:01:21 (UTC-05:00)
10.0 km

M5.1. 112 km ENE of Hasaki, Japan
2021-08-03 05:29:16 (UTC-05:00)10.0 km

M5.4. south of the Fiji Islands
2021-08-03 05:23:55 (UTC-05:00)486.9 km

M5.0. southwest of Africa
2021-08-03 03:30:46 (UTC-05:00)10.0 km
 
Margaret Greeley, probably the most eminent researcher of volcanoes.

Volcano's "Scream" Before Eruption Explained https://nationalgeographic.com/science/article/130715-redoubt-volcano-harmonic-tremors-earthquakes… via
@NatGeo

The small earthquakes that foreshadow some volcanic explosions produce a hum that rises in frequency but then abruptly stops just before an eruption. This is what is happening at Yellowstone. They still don't know if this is always the case. More research is needed.

Yellowstone Is Not Normal, It's Screaming, Harmonic Tremors Aug. 3 2021​


 
World Earthquake Report past 24h: 11 quakes 5.0+, 63 quakes 4.0+, 126 quakes 3.0+, 364 quakes 2.0+

World Earthquake Report for Wednesday, 4 August 2021

Most of the EQ M5.0+ were downgraded by USGS to M4.0+

M4.9. 28 km S of Farkhār, Afghanistan
2021-08-04 05:32:27 (UTC-05:00)144.4 km

M4.7. 111 km ENE of Hasaki, Japan
2021-08-04 05:28:27 (UTC-05:00)10.0 km

M4.8. 17 km NNE of Antón Lizardo, Mexico
2021-08-04 04:58:25 (UTC-05:00)17.6 km

M4.6. 60 km WSW of Ambon, Indonesia
2021-08-04 04:54:23 (UTC-05:00)168.6 km

M4.8. 112 km ENE of Hasaki, Japan
2021-08-04 04:26:40 (UTC-05:00)19.2 km

M4.8. Mid-Indian Ridge
2021-08-04 02:17:23 (UTC-05:00)10.0 km

M4.9. 83 km E of Arica, Chile
2021-08-04 01:16:52 (UTC-05:00)133.2 km

M4.8. 115 km ENE of Hasaki, Japan
2021-08-04 01:14:54 (UTC-05:00)10.0 km

M4.9. 109 km ENE of Hasaki, Japan
2021-08-04 01:08:22 (UTC-05:00)10.0 km

M4.8. Fiji region
2021-08-04 01:01:57 (UTC-05:00)532.7 km

M4.2. 44 km S of Mandráki, Greece
2021-08-04 01:00:25 (UTC-05:00)42.6 km

M5.5. Vanuatu region
2021-08-04 00:55:12 (UTC-05:00)22.6 km

The M4.8 earthquake occurred in Anton Lizardo Veracruz Mexico was considered atypical by the National Seismological Service.

 
Last edited:
A very quiet day. The following are M5.0 + earthquakes that have occurred:

M5.4. 129 km NNE of Maumere, Indonesia
2021-08-05 00:06:07 (UTC-05:00) 525.2 km (Deep)

M5.3. south of the Fiji Islands
2021-08-05 06:20:17 (UTC-05:00) 539.5 km (Deep)

M5.1. Nicobar Islands, India region
2021-08-05 07:46:00 (UTC-05:00) 16.7 km (superficial)

M5.1. Banda Sea
2021-08-05 09:24:28 (UTC-05:00) 117.5 km (intermediate)

In general, earthquakes that occur deeper cause less damage because most of their energy is dissipated before reaching the surface.
 
Lots of activity M5.0+ in Southeast Asia in the last few hours

M5.3. 91 km E of Yujing, Taiwan
2021-08-06 06:12:30 (UTC-05:00) 10.5 km

M5.3. 112 km SSW of Bandar Lampung, Indonesia
2021-08-06 06:08:17 (UTC-05:00) 52.2 km

M5.3. 50 km E of Yilan, Taiwan
2021-08-06 03:11:04 (UTC-05:00) 10.0 km

M5.0. 44 km SW of Sola, Vanuatu
2021-08-06 08:35:05 (UTC-05:00)194.8 km

M5.0. Nicobar Islands, India region
2021-08-06 03:19:04 (UTC-05:00)10.0 km
 
World Earthquake Report past 24h: 1 quake 6.0+, 4 quakes 5.0+, 42 quakes 4.0+, 131 quakes 3.0+, 323 quakes 2.0+

World Earthquake Report for Saturday, 7 August 2021

The EQ M6.0 was downgraded by USGS to M5.9 (Sandwich Islands) Other EQs M5.0+

M5.9. South Sandwich Islands region
2021-08-06 14:22:02 (UTC-05:00) 31.1 km

M5.3. 101 km WNW of Kirakira, Solomon Islands
2021-08-07 09:51:31 (UTC-05:00) 62.3 km

M5.3. Prince Edward Islands region
2021-08-07 08:42:31 (UTC-05:00) 10.0 km

M5.1. 34 km SSW of Mandráki, Greece
2021-08-06 20:39:44 (UTC-05:00)10.7 km

M4.9. 170 km SE of Tabiauan, Philippines
2021-08-06 11:08:57 (UTC-05:00) 590.6 km
 
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