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Μέτριος σεισμός μεγέθους 4.5 - Yerba Buena Island, 3.2 km νοτιοανατολικά από Berkeley, Alameda County, Καλιφόρνια, Ηνωμένες Πολιτείες, Πέμ, 4 Ιαν 2018 10:39 GMT

Μέτριος σεισμός μεγέθους 4.5 - Yerba Buena Island, 3.2 km νοτιοανατολικά από Berkeley, Alameda County, Καλιφόρνια, Ηνωμένες Πολιτείες, Πέμ, 4 Ιαν 2018 10:39 GMT Μέτριος σεισμός μεγέθους 4.5 - Yerba Buena Island, 3.2 km νοτιοανατολικά από Berkeley, Alameda County, Καλιφόρνια, Ηνωμένες Πολιτείες, Πέμ, 4 Ιαν 2018 10:39 GMT

Μέτριος σεισμός μεγέθους 4.5 σε βάθος 13 χλμ

4 Jan 10:44 UTC: Πρώτα να αναφέρει: EMSC after 5 λεπτά.
Jan 4 10:46: Magnitude recalculated from 4.7 to 4.5.

Λεπτομέρειες σεισμού

Ημερομηνία και ώρα4 Jan 2018 10:39:36 UTC
Τοπική ώρα στο επίκεντρο
StatusΕπιβεβαιωμένος
Μέγεθος4.5
Βάθος13.0 km
Επίκεντρο γεωγραφικό πλάτος / γεωγραφικό μήκος37.86°N / 122.24°W (Alameda, Καλιφόρνια, Ηνωμένες Πολιτείες)
Antipode37.86°S / 57.76°E
Ένταση δονήσεωνΣχετικά Ισχυρός
Αισθητός814 αναφορές
Κύρια πηγή δεδομένωνEMSC (European-Mediterranean Seismological Centre)
Πλησιέστερα ηφαίστειοClear Lake (132 km / 82 mi)
Κοντινά μέρη3 km (2 mi) ΝΑ of Berkeley (pop: 121,000) | Στον χάρτη | Σεισμοί κοντά
7 km (4 mi) ΒΑ of Όουκλαντ (pop: 419,300) | Στον χάρτη | Σεισμοί κοντά
10 km (6 mi) Β of Αλαμήντα (pop: 78,600) | Στον χάρτη | Σεισμοί κοντά
13 km (8 mi) ΝΑ of Richmond (pop: 109,700) | Στον χάρτη | Σεισμοί κοντά
16 km (10 mi) ΝΔ of Walnut Creek (pop: 68,900) | Στον χάρτη | Σεισμοί κοντά
17 km (10 mi) ΒΔ of San Leandro (pop: 90,700) | Στον χάρτη | Σεισμοί κοντά
18 km (11 mi) ΒΑ of Σαν Φρανσίσκο (pop: 864,800) | Στον χάρτη | Σεισμοί κοντά
65 km (41 mi) ΒΔ of Σαν Χοσέ (pop: 1,026,900) | Στον χάρτη | Σεισμοί κοντά
103 km (64 mi) ΝΔ of Σακραμέντο (pop: 490,700) | Στον χάρτη | Σεισμοί κοντά
Εκτιμώμενη εκλυόμενη σεισμική ενέργεια3.5 x 1011 joules (98.6 megawatt hours, ισοδυναμεί με 84.8 τόνους TNT) | about seismic energy
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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.
Mag.ΒάθοςΤοποθεσίαΠηγή
4.513 km SAN FRANCISCO BAY AREA, CALIF.EMSC
4.412 km- 2km SE of Berkeley, CAUSGS
shake map
(shakemap: USGS)

Seismograms

Seismic station: Columbia College, Columbia, CA, USA (CMB/BK network) | Distance from quake: 164 km / 102 mi | Show on map | Station Info
Seismic station Columbia College, Columbia, CA, USA: 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 (1733)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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North Beach / Light shaking (MMI IV) : This is my first earthquake experience as I’m from Sydney, Australia. I was sleeping and was woken up by the shaking. It was confusing but not too alarming.  
North Beach / Light shaking (MMI IV) : This is my first earthquake experience as I’m from Sydney, Australia. I was sleeping and was woken up by the shaking. It was confusing but not too alarming.  
Livermore, Alameda, California (46 km ESE of epicenter) [Map] / Moderate shaking (MMI V) : Awoke as a result of strong shake in our livermore townhome at around 2:30am  
Concord, Ca (23.5 km ENE of epicenter) [Map] / Light shaking (MMI IV) : Strong jolt. scared the cat sleeping on the bed. (reported through our app)  
Fremont (42.2 km SSE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
San Rafael / Light shaking (MMI IV) : Woke up seconds before the actual quake. The couch and dishes were shaken and our Christmas tree was rattling.  
Santa Clara, California (57 km SSE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
94546 / Moderate shaking (MMI V)
Fremont (49.1 km SE of epicenter) [Map] / Moderate shaking (MMI V) : Rolling earthquake. Could hear the roar building before actually feeling movement. Had just sat down on the toilet at the start so sound and movement seemed amplified. The wave feeling seemed to linger for awhile.  
3880 brighton avenue, oakland, ca 94602 (6.2 km SSE of epicenter) [Map] / Light shaking (MMI IV) : We sustained no damage but the  
Los Gatos / Very weak shaking (MMI II)
Antioch (40.9 km ENE of epicenter) [Map] / Light shaking (MMI IV) : It awakened our me and my family. Mostly like a strong vibration shake (reported through our app)  
Concord,ca (23.5 km ENE of epicenter) [Map] / Light shaking (MMI IV) : Woke me up. (reported through our app)  
Oakland / Moderate shaking (MMI V) : About 30 minutes of of light rumbling.  
sebastopol / Light shaking (MMI IV) : At 2:40 am, my lazy boy c  
Larkspur, CA / Light shaking (MMI IV) : I felt it because it woke me up at 2:39 PST. It was the first one I've felt in nearly 7 years.  
Concord, CA / Moderate shaking (MMI V)
Pittsburg / Weak shaking (MMI III)
Richmond, CA / Light shaking (MMI IV)
Santa Clara (59.7 km SSE of epicenter) [Map] / Light shaking (MMI IV) : Felt the ground shaking while sleeping, the doors were shaking and could hear the sound of the ground shaking.  
San Bruno / Strong shaking (MMI VI) : Felt shaking for 5-10 seconds 2:39  
San Pablo (14.2 km NW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Concord, ca / Light shaking (MMI IV)
Concord / Moderate shaking (MMI V) : Woke up to saking  
Financial Dietrich San Francisco / Moderate shaking (MMI V)
North Beach / Light shaking (MMI IV) : This is my first earthquake experience as I’m from Sydney, Australia. I was sleeping and was woken up by the shaking. It was confusing but not too alarming.  
Pacifica / Moderate shaking (MMI V)
Salinas, CA / Weak shaking (MMI III)
Palo Alto (51.7 km S of epicenter) [Map] / Light shaking (MMI IV) : Felt like it was between light to moderate shaking. Woke up to sound of things rattling and my bed shaking. On bbc 2nd floor of Defenders Lodge at VA center. (reported through our app)  
250 beach San fran / Strong shaking (MMI VI)
Menlo park, ca / Light shaking (MMI IV) : Jolts were repeated not just once House creaked loudly and repeatedly, bed jumping around  
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Earlier earthquakes in the same area

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