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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
Διαδραστικός χάρτης
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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: Marconi Conference Center, Marshall, CA, USA (MCCM/BK network) | Distance from quake: 64 km / 40 mi | Show on map | Station Info
Seismic station Marconi Conference Center, Marshall, 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. Bandpass filter applied: 0.2-10.0 Hz. 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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94089 / Light shaking (MMI IV)
San jose / Moderate shaking (MMI V)
21.3 km WSW of epicenter [Map] / Light shaking (MMI IV)
Hayward / Very strong shaking (MMI VII) : It woke me up from a deep sleep. I was so scared I took the cat and ran outside in my underwear.  
Pacifica, CA (30.4 km SW of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
El Cerrito hills / Strong shaking (MMI VI) : Short couple of jolts  
Santa Cruz / Light shaking (MMI IV)
San Leandro / Light shaking (MMI IV)
Belmont californa / Light shaking (MMI IV)
Haight/Ashbury / Moderate shaking (MMI V) : Earthquake woke me from a deep sleep. Was fairly noisy as well (windows and door frame rattled). Immediately texted my roommate and he responded saying he felt it as well. Got the heart pumping and I immediately started searching online for magnitude.  
Atwater (144.3 km SSE of epicenter) [Map] / Moderate shaking (MMI V) : Thought someone had crawled into bed with me and a sudden jolt  
Oakland (4.3 km WSW of epicenter) [Map] / Moderate shaking (MMI V)
Berkeley Ca / Light shaking (MMI IV) : One very strong jolt rocked my bed, followed by mild shaking.  
San Leandro, CA / Moderate shaking (MMI V)
San Francisco (20.3 km WSW of epicenter) [Map] / Moderate shaking (MMI V)
95472 / Moderate shaking (MMI V)
39.1 km S of epicenter [Map] / Moderate shaking (MMI V) : Woken from sleep. Texted friends visiting San Jose from Baltimore at 2:41: "Feel that one?! That was pretty strong. Haven't watched any reports yet but would guess in 4's maybe 5 wherever centered. Hope all good there."  
San Jose / Strong shaking (MMI VI)
94541 / Very strong shaking (MMI VII) : Very loud and low bass rumble followed by the whole room shaking violently  
Milpitas, CA / Moderate shaking (MMI V) : doors and sliding closets were shaking, as well as my bed. felt like it lasted for 10 seconds. i’m so shook y’all thought we were all gonna die  
San Rafael ca / Light shaking (MMI IV)
San Francisco , Mission bay / Moderate shaking (MMI V) : Was sleeping and was awoken by bed , cupboard and doors shaking  
94578 / Moderate shaking (MMI V)
Sunnyvale / Light shaking (MMI IV)
Martinez (1.1 km NE of epicenter) [Map] / Light shaking (MMI IV) : Light shaking then a quick jolt felt closer  
San Jose, CA (66.9 km SSE of epicenter) [Map] / Moderate shaking (MMI V) : I was already awake when it hit.  
8.7 km SSE of epicenter [Map] / Moderate shaking (MMI V) : Woke me up completely. Jumped out of bed. Only slightly rouses my husband and teen son.  
San jose / Strong shaking (MMI VI)
Brisbane CA / Moderate shaking (MMI V)
Redwood City / Moderate shaking (MMI V)
Mill valley / Weak shaking (MMI III)
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