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Light mag. 3.4 earthquake - 12 mi east of Coalinga, Fresno County, California, USA, on Friday, Jul 22, 2022 at 7:47 pm (GMT -7) -

Light mag. 3.4 earthquake - 12 mi east of Coalinga, Fresno County, California, USA, on Friday, Jul 22, 2022 at 7:47 pm (GMT -7) Light mag. 3.4 earthquake - 12 mi east of Coalinga, Fresno County, California, USA, on Friday, Jul 22, 2022 at 7:47 pm (GMT -7)

Light magnitude 3.4 earthquake at 8 km depth

23 Jul 02:51 UTC: First to report: USGS after 4 minutes.
23 Jul 06:26: Hypocenter depth recalculated from 5.3 to 7.9 km (from 3.3 to 4.9 mi). Epicenter location corrected by 3.1 km (1.9 mi) towards SW.
Update Sat, 23 Jul 2022, 02:57

Small magnitude 3.4 earthquake 13 miles southeast of Coalinga, California, United States

3.4 quake 22 Jul 7:47 pm (GMT -7)
3.4 quake 22 Jul 7:47 pm (GMT -7)
An earthquake of magnitude 3.4 occurred early evening on Friday, July 22nd, 2022, at 7:47 pm local time near Coalinga, Fresno County, California, USA, as reported by the United States Geological Survey.
According to preliminary data, the quake was located at a very shallow depth of 3.3 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the citizen-seismograph network of RaspberryShake which listed the quake at magnitude 3.4 as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.3.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Avenal (pop. 13,300) located 6 miles from the epicenter, and Huron (pop. 6,800) 8 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Coalinga (pop. 16,600) located 13 miles from the epicenter, Lemoore Station (pop. 7,400) 17 miles away, and Lemoore (pop. 25,600) 24 miles away. In Hanford (pop. 55,700, 32 miles away), Tulare (pop. 62,300, 45 miles away), Fresno (pop. 520,100, 50 miles away), and Visalia (pop. 130,100, 50 miles away), the quake was probably not felt.

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Earthquake details

Date & timeJul 23, 2022 02:47:13 UTC -
Local time at epicenterFriday, Jul 22, 2022 at 7:47 pm (GMT -7)
Depth7.9 km
Epicenter latitude / longitude36.07433°N / 120.163°W (Fresno, California, United States)
Antipode36.074°S / 59.837°E
Shaking intensityVery weak shaking
Felt1 report
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoGolden Trout Creek (168 km / 104 mi)
Nearby towns and cities8 km (5 mi) NNW of Avenal (Kings County) (pop: 13,300) | Show on map | Quakes nearby
15 km (9 mi) SSW of Huron (Fresno County) (pop: 6,840) | Show on map | Quakes nearby
19 km (12 mi) ESE of Coalinga (Fresno County) (pop: 16,600) | Show on map | Quakes nearby
42 km (26 mi) SW of Lemoore (Kings County) (pop: 25,600) | Show on map | Quakes nearby
54 km (34 mi) WSW of Hanford (pop: 55,700) | Show on map | Quakes nearby
83 km (51 mi) SSW of Fresno (pop: 520,100) | Show on map | Quakes nearby
83 km (52 mi) WSW of Visalia (pop: 130,100) | Show on map | Quakes nearby
303 km (188 mi) SSE of Sacramento (pop: 490,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 36.1°C (97 F), humidity: 10%, wind: 5 m/s (9 kts) from NNW
Estimated seismic energy released7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 tons of TNT) | about seismic energy
Show interactive Map
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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.
3.47.9 km10km N of Avenal, CAUSGS
3.47.9 kmCentral CaliforniaRaspberryShake


Seismic station: Valley Oaks Golf Course (VOG/CI network) | Distance from quake: 75 km / 47 mi | Show on map | Station Info
Seismic station Valley Oaks Golf Course: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Avenal, Ca (8.4 km SSE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s

Earlier earthquakes in the same area

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