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Light mag. 4.0 earthquake - 104km W of Ferndale, California on Thursday, 18 May 2017

Light mag. 4.0 earthquake  - 104km W of Ferndale, California on Thursday, 18 May 2017
May 18 03:30: Magnitude recalculated from 4.0 to 3.9.
May 18 04:34: Magnitude recalculated from 3.9 to 4.0.
Hypocenter depth recalculated from 1.7 to 4.6 km.
Hypocenter depth recalculated from 4.6 to 18.4 km.
Date & time: Thu, 18 May 03:20:37 UTC
Local time at epicenter: 2017-05-17 19:20:37 -08:00
Magnitude: 4.0
Depth: 18.4 km
Epicenter latitude / longitude: 40.4028°N / 125.4737°W [Map]
Nearest volcano: Escanaba Segment (161 km)
Primary data source: USGS
If you felt this quake (or if you were near the epicenter), please share your experience with us and submit a short "I felt it" report.
You can use your GPS or device location as well to show where you were during the earthquake.
- thank you.

Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationMapSource
Thu, 18 May
Thu, 18 May 03:20 UTCM 3.9 / 2 kmOFF COAST OF NORTHERN CALIFORNIA[Map]EMSC

shake map
(shakemap: USGS)
"I felt it" reports:
Earthquakes in same area up to 1 year afterwards (likely aftershocks)
TimeMag. / DepthLocationMapSource
Wed, 24 May
Wed, 24 May 16:39 UTCM 2.8 / 24.1 km - [info] (199 km)- 86km WSW of Ferndale, California
[Map]
USGS
Thu, 8 Jun
Thu, 8 Jun 12:42 UTCM 2.6 / 28.8 km - [info] (200 km)- 10km SW of Rio Dell, California
[Map]
USGS
Sun, 11 Jun
Sun, 11 Jun 12:19 UTCM 3.5 / 20.6 km - [info] (165 km)- 0km SSE of Westhaven-Moonstone, California
[Map]
USGS
Arcata (United States) (19 km S from epicenter)(no details): Felt the house shake, woke me from a dead sleep (via EMSC)
Green Forest AR (2669.7 km N from epicenter) / MMI IV (Light shaking): A low rumbling sound followed by a heavy thud on the roof. Nothing near the area and all animals were extremely quiet.
Tue, 13 Jun
Tue, 13 Jun 19:12 UTCM 2.6 / 15.3 km - [info] (202 km)- 81km WNW of Bayview, California
[Map]
USGS
Thu, 15 Jun
Thu, 15 Jun 20:07 UTCM 2.6 / 25 km - [info] (128 km)NORTHERN CALIFORNIA
[Map]
EMSC
Fri, 16 Jun
Fri, 16 Jun 04:57 UTCM 2.9 / 26.7 km - [info] (219 km)- 21km SW of Ferndale, California
[Map]
USGS
Fri, 16 Jun 05:00 UTCM 3.3 / 25 km - [info] (219 km)OFFSHORE NORTHERN CALIFORNIA
[Map]
EMSC
Sat, 24 Jun
Sat, 24 Jun 21:22 UTCM 4.1 / 8 km - [info] (196 km)NORTHERN CALIFORNIA
[Map]
EMSC
Arcata (United States) (70 km N from epicenter)(no details): Small earthquake. Barely felt it (via EMSC)
Eureka California / MMI V (Moderate shaking): I was sitting playing a video game and me and my family saw the house start to sway. It was very short and rolled for a few seconds, and before I could get up it had ended
Eureka / MMI V (Moderate shaking): Pretty heavy shake
Eureka.ca (54.7 km NNE from epicenter) / MMI III (Weak shaking) (via app)
Fortuna, CA (34.5 km NNE from epicenter) / MMI III (Weak shaking) (via app)
Sat, 8 Jul
Sat, 8 Jul 01:06 UTCM 2.6 / 0.6 km - [info] (108 km)- 13km W of Laytonville, California[Map]USGS
Thu, 13 Jul
Thu, 13 Jul 22:09 UTCM 2.8 / 19.5 km - [info] (213 km)- 41km SW of Ferndale, California[Map]USGS
Sat, 22 Jul
Sat, 22 Jul 22:38 UTCM 3.0 / 0.8 km - [info] (223 km)- 62km WSW of Ferndale, California
[Map]
USGS
Thu, 27 Jul
Thu, 27 Jul 16:57 UTCM 2.7 / 20 km - [info] (214 km)OFFSHORE NORTHERN CALIFORNIA
[Map]
EMSC
Sat, 29 Jul
Sat, 29 Jul 00:02 UTCM 5.0 / 30 km - [info] (194 km)OFFSHORE NORTHERN CALIFORNIA
[Map]
EMSC
(84.9 km E from epicenter) / MMI II (Very weak shaking) (via app)
Longbeach, wa (630.6 km SE from epicenter) / not felt: Didn't feel
Longbeach, wa (624.1 km SE from epicenter) / not felt: Did not feel anything up here. Waiting for the big one!!!!
Read all reports
Sat, 29 Jul 17:08 UTCM 4.6 / 6 km - [info] (177 km)OFFSHORE NORTHERN CALIFORNIA
[Map]
EMSC
Sat, 5 Aug
Sat, 5 Aug 16:06 UTCM 2.6 / 24 km - [info] (209 km)OFFSHORE NORTHERN CALIFORNIA[Map]EMSC
Sat, 12 Aug
Sat, 12 Aug 18:09 UTCM 3.0 / 0.2 km - [info] (222 km)- 64km WSW of Ferndale, California
[Map]
USGS
Thu, 7 Sep
Thu, 7 Sep 12:43 UTCM 2.9 / 25.9 km - [info] (179 km)- 106km W of Ferndale, California
[Map]
USGS
Wed, 13 Sep
Wed, 13 Sep 16:06 UTCM 2.6 / 16.9 km - [info] (235 km)- 38km WSW of Ferndale, California
[Map]
USGS
Wed, 20 Sep
Wed, 20 Sep 14:29 UTCM 2.8 / 11.4 km - [info] (186 km)- 28km SSW of Rio Dell, California
[Map]
USGS
Garden Valley, Ca (429 km NNW from epicenter) / not felt
Fri, 22 Sep (6 earthquakes)
Fri, 22 Sep 16:14 UTCM 3.1 / 16.6 km - [info] (51 km)- 249km W of Ferndale, California[Map]USGS
Fri, 22 Sep 16:54 UTCM 3.0 / 25.7 km - [info] (204 km)- 95km WSW of Ferndale, California[Map]USGS
Fri, 22 Sep 19:50 UTCM 5.6 / 4.6 km - [info] (223 km)- 58km W of Ferndale, California
[Map]
USGS
Wolvega, Netherland (8617.4 km WSW from epicenter) / not felt
Lake Forest (995.2 km SE from epicenter) / MMI V (Moderate shaking) (via app)
robertsdale alabama / MMI V (Moderate shaking): I felt like a tree hit ground really hard could feel house shake even ran outside to see what hit the earth very strong force. And I'm located close to mobile alabama east about 25 miles.
Read all reports
Fri, 22 Sep 20:33 UTCM 3.0 / 10.4 km - [info] (68 km)- 202km W of Ferndale, California[Map]USGS
Fri, 22 Sep 21:53 UTCM 2.9 / 17 km - [info] (78 km)- 231km W of Ferndale, California[Map]USGS
Fri, 22 Sep 23:17 UTCM 3.9 / 26.9 km - [info] (211 km)- 14km SW of Ferndale, California
[Map]
USGS
95747 (324.5 km S from epicenter) / MMI II (Very weak shaking)
(39.7 km NE from epicenter) / MMI II (Very weak shaking) (via app)
Mon, 25 Sep
Mon, 25 Sep 17:38 UTCM 3.0 / 11.4 km - [info] (62 km)- 260km W of Ferndale, California
[Map]
USGS
Mon, 25 Sep 19:35 UTCM 4.3 / 11.4 km - [info] (75 km)- 246km W of Ferndale, California
[Map]
USGS
Mon, 25 Sep 19:36 UTCM 3.1 / 4.6 km - [info] (230 km)- 52km WSW of Ferndale, California
[Map]
USGS
Tue, 26 Sep
Tue, 26 Sep 21:51 UTCM 3.0 / 12 km - [info] (90 km)- 236km W of Ferndale, California[Map]USGS
Thu, 28 Sep
Thu, 28 Sep 14:53 UTCM 3.2 / 15.6 km - [info] (98 km)- 251km W of Ferndale, California
[Map]
USGS
Fri, 29 Sep
Fri, 29 Sep 18:15 UTCM 2.6 / 16.6 km - [info] (85 km)- 221km W of Ferndale, California[Map]USGS
Sun, 1 Oct
Sun, 1 Oct 23:47 UTCM 2.7 / 21.5 km - [info]Clear Lake (218 km) - California, USA- 36km SW of Ferndale, California
[Map]
USGS
Thu, 5 Oct
Thu, 5 Oct 20:02 UTCM 3.1 / 11.6 km - [info] (95 km)- 252km W of Ferndale, California
[Map]
USGS
Fri, 6 Oct
Fri, 6 Oct 02:31 UTCM 3.0 / 7.5 km - [info] (147 km)- 142km W of Westhaven-Moonstone, California
[Map]
USGS
Mon, 9 Oct
Mon, 9 Oct 09:10 UTCM 3.2 / 17 km - [info] (203 km)NORTHERN CALIFORNIA
[Map]
EMSC
Santa Clara County / MMI V (Moderate shaking): Just Chillen watching television in my room and my house begin to shake a little. It was a quick small shake for a few seconds
Thu, 12 Oct
Thu, 12 Oct 15:17 UTCM 2.9 / 10 km - [info] (111 km)- 177km W of Ferndale, California
[Map]
USGS
Tue, 17 Oct (6 earthquakes)
Tue, 17 Oct 14:02 UTCM 2.6 / 9.1 km - [info]Escanaba Segment (45 km) - United States, Northeastern Pacific Ocean- 246km WSW of Crescent City, California
[Map]
USGS
Tue, 17 Oct 14:58 UTCM 2.9 / 7.1 km - [info]Escanaba Segment (28 km) - United States, Northeastern Pacific Ocean- 273km WSW of Crescent City, California
[Map]
USGS
Tue, 17 Oct 15:12 UTCM 2.8 / 8.6 km - [info]Escanaba Segment (11 km) - United States, Northeastern Pacific Ocean- 274km WNW of Ferndale, California
[Map]
USGS
Tue, 17 Oct 15:20 UTCM 2.8 / 8.6 km - [info] (50 km)- 241km WSW of Crescent City, California
[Map]
USGS
Tue, 17 Oct 15:22 UTCM 2.8 / 8.5 km - [info] (43 km)- 253km W of Crescent City, California
[Map]
USGS
Tue, 17 Oct 22:59 UTCM 3.2 / 9.6 km - [info] (67 km)- 241km W of Ferndale, California
[Map]
USGS
Wed, 18 Oct
Wed, 18 Oct 01:30 UTCM 4.2 / 10 km - [info] (36 km)- 253km WNW of Ferndale, California
[Map]
USGS
Brookings, oregon (260.8 km N from epicenter) / MMI II (Very weak shaking) (via app)
Tue, 31 Oct
Tue, 31 Oct 21:03 UTCM 2.7 / 5 km - [info] (209 km)OFFSHORE NORTHERN CALIFORNIA[Map]EMSC
Tue, 7 Nov
Tue, 7 Nov 01:53 UTCM 2.6 / 29.6 km - [info] (142 km)- 21km S of Willow Creek, California
[Map]
USGS
Tue, 7 Nov 02:06 UTCM 2.8 / 14 km - [info] (227 km)OFFSHORE NORTHERN CALIFORNIA
[Map]
EMSC
Thu, 9 Nov
Thu, 9 Nov 15:58 UTCM 3.0 / 27.5 km - [info] (215 km)- 71km WSW of Ferndale, California
[Map]
USGS
Mon, 13 Nov
Mon, 13 Nov 13:00 UTCM 2.6 / 16 km - [info] (205 km)NORTHERN CALIFORNIA
[Map]
EMSC
Mon, 13 Nov 20:30 UTCM 3.0 / 18 km - [info] (205 km)NORTHERN CALIFORNIA
[Map]
EMSC
Wed, 15 Nov
Wed, 15 Nov 04:54 UTCM 3.5 / 20 km - [info] (211 km)OFFSHORE NORTHERN CALIFORNIA
[Map]
EMSC

 

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