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Κατάσταση συμβάντος: disregarded [?]

Άγνωστο γεγονός (αναφέρθηκε αρχικά ως σεισμός): 5.3 km νότια από Πόρτλαντ, Multnomah County, Όρεγκον, Ηνωμένες Πολιτείες, Σάββατο, 4 Φεβ 2023 13:55 (GMT -8) -

4 Feb 22:01 UTC: Πρώτα να αναφέρει: VolcanoDiscovery after 7 λεπτά.

Λεπτομέρειες σεισμού

Ημερομηνία και ώρα	4 Feb 2023 21:55:20 UTC -
Τοπική ώρα στο επίκεντρο	Σάβ, 4 Φεβ 2023 13:55 (GMT -8)
Status	disregarded
Μέγεθος	unknown (3?)
Βάθος	10.0 km
Επίκεντρο γεωγραφικό πλάτος / γεωγραφικό μήκος	45.47554°N / 122.67334°W (Όρεγκον, Ηνωμένες Πολιτείες)
Antipode	45.476°S / 57.327°E
Ένταση δονήσεων	Ασθενής
Αισθητός	1 αναφορά
Κύρια πηγή δεδομένων	VolcanoDiscovery (Αναφορές ανακίνησης από χρήστες)
Πλησιέστερα ηφαίστειο	West Crater (47 km / 29 mi)
Κοντινά μέρη	5 km (3 mi) Ν of Πόρτλαντ (Oregon) (pop: 632,300) \| Στον χάρτη \| Σεισμοί κοντά 10 km (6 mi) Α of Beaverton (Oregon) (pop: 96,600) \| Στον χάρτη \| Σεισμοί κοντά 18 km (11 mi) Ν of Βανκούβερ (Washington) (pop: 172,900) \| Στον χάρτη \| Σεισμοί κοντά 22 km (14 mi) Ν of Hazel Dell (Washington) (pop: 19,400) \| Στον χάρτη \| Σεισμοί κοντά 24 km (15 mi) ΝΔ of Five Corners (Washington) (pop: 18,200) \| Στον χάρτη \| Σεισμοί κοντά 26 km (16 mi) Ν of Salmon Creek (Washington) (pop: 19,700) \| Στον χάρτη \| Σεισμοί κοντά 29 km (18 mi) Ν of Mount Vista (Washington) (pop: 7,850) \| Στον χάρτη \| Σεισμοί κοντά 36 km (22 mi) ΝΔ of Battle Ground (Clark County, Washington) (pop: 19,400) \| Στον χάρτη \| Σεισμοί κοντά
Ο καιρός στο επίκεντρο την ώρα του σεισμού	Overcast Clouds 9.8°C (50 F), humidity: 82%, wind: 2 m/s (3 kts) from NW
Εκτιμώμενη εκλυόμενη σεισμική ενέργεια	2 x 10⁹ joules (554 kilowatt hours, ισοδυναμεί με 0.477 τόνους TNT) \| about seismic energy

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Πιο πρόσφατοι σεισμοί Top 20 τελ. 24 ώρες Quakes in the US

Seismograms

Seismic station: Hiyu Mountain (HIYU/CC network) | Distance from quake: 68 km / 42 mi | Show on map | Station Info

Seismic station Hiyu Mountain: 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Δείτε περισσότερα

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Seismic station Hiyu Mountain: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Hiyu Mountain: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: September lobe, Mt. St. Helens (Dome sta) (SEP/CC network) | Distance from quake: 89 km / 55 mi | Show on map | Station Info

Seismic station September lobe, Mt. St. Helens (Dome sta): vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station September lobe, Mt. St. Helens (Dome sta): horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station September lobe, Mt. St. Helens (Dome sta): horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Prince Lake (PRLK/CC network) | Distance from quake: 151 km / 94 mi | Show on map | Station Info

Seismic station Prince Lake: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Prince Lake: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Prince Lake: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Surveyor's Cave, OR, USA (SVIC/CC network) | Distance from quake: 233 km / 145 mi | Show on map | Station Info

Seismic station Surveyor's Cave, OR, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Surveyor's Cave, OR, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Surveyor's Cave, OR, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Blue Mountains Array (Baker), Oregon, USA (BMO/US network) | Distance from quake: 426 km / 265 mi | Show on map | Station Info

Seismic station Blue Mountains Array (Baker), Oregon, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Blue Mountains Array (Baker), Oregon, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Blue Mountains Array (Baker), Oregon, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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Milwaukee, Clackamas, Oregon (0 km NNE of epicenter) [Map] / Weak shaking (MMI III) : I was in the library working when I felt the desk shake for like 10 seconds. It was very faint and i'm not sure how many people felt it

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