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Μικρός σεισμός μεγέθους 3.0 - 27 km νότια από Skwentna, Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες, Δευ, 23 Φεβ 2015 09:04 GMT

Μικρός σεισμός μεγέθους 3.0 σε βάθος 77 χλμ

23 Feb 10:10 UTC: Πρώτα να αναφέρει: USGS after 1 ώρα και 6 λεπτά.
Hypocenter depth recalculated from 77.9 to 77.1 km.

Λεπτομέρειες σεισμού

Ημερομηνία και ώρα	23 Feb 2015 09:04:21 UTC
Τοπική ώρα στο επίκεντρο	Monday, February 23, 2015 00:04:21
Status	Επιβεβαιωμένος
Μέγεθος	3
Βάθος	77.1 km
Επίκεντρο γεωγραφικό πλάτος / γεωγραφικό μήκος	61.7582°N / 151.5155°W (Matanuska-Susitna, Αλάσκα, Ηνωμένες Πολιτείες)
Antipode	61.758°S / 28.485°E
Ένταση δονήσεων	Μη αισθητός
Αισθητός
Κύρια πηγή δεδομένων	USGS (United States Geological Survey)
Πλησιέστερα ηφαίστειο	Hayes (50 km / 31 mi)
Κοντινά μέρη	27 km (16 mi) ΝΔ of Skwentna (pop: 37) \| Στον χάρτη \| Σεισμοί κοντά 78 km (48 mi) Δ of Willow Creek (pop: 2,100) \| Στον χάρτη \| Σεισμοί κοντά 87 km (54 mi) ΒΔ of Big Lake (pop: 3,350) \| Στον χάρτη \| Σεισμοί κοντά 91 km (56 mi) Δ of Houston (pop: 2,210) \| Στον χάρτη \| Σεισμοί κοντά 98 km (61 mi) ΝΔ of Susitna North (pop: 1,260) \| Στον χάρτη \| Σεισμοί κοντά 105 km (65 mi) ΒΔ of Ανκορέιτζ (pop: 298,700) \| Στον χάρτη \| Σεισμοί κοντά 105 km (65 mi) ΒΔ of Knik-Fairview (pop: 14,900) \| Στον χάρτη \| Σεισμοί κοντά 111 km (69 mi) Δ of Wasilla (pop: 9,280) \| Στον χάρτη \| Σεισμοί κοντά 114 km (71 mi) ΒΔ of Eagle River (pop: 24,800) \| Στον χάρτη \| Σεισμοί κοντά 114 km (71 mi) ΒΔ of Eagle River (Anchorage) (pop: 24,800) \| Στον χάρτη \| Σεισμοί κοντά
Ο καιρός στο επίκεντρο την ώρα του σεισμού
Εκτιμώμενη εκλυόμενη σεισμική ενέργεια	2 x 10⁹ joules (554 kilowatt hours, ισοδυναμεί με 0.477 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.	Βάθος	Τοποθεσία	Πηγή
3.0	77 km	78km W of Willow, Alaska	USGS

Πιο πρόσφατοι σεισμοί Top 20 τελ. 24 ώρες Quakes in the US Αλάσκα και Αλεούτια νησιά

Seismograms

Seismic station: Skwentna, AK, USA (SKN/AK network) | Distance from quake: 25 km / 15 mi | Show on map | Station Info

Seismic station Skwentna, AK, 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Δείτε περισσότερα

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Seismic station Skwentna, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Skwentna, AK, USA: 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: Barrier Glacier, Mount Spurr, Alaska (SPBG/AV network) | Distance from quake: 72 km / 45 mi | Show on map | Station Info

Seismic station Barrier Glacier, Mount Spurr, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Barrier Glacier, Mount Spurr, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Barrier Glacier, Mount Spurr, Alaska: 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: Captain Cook Nikiski, AK, USA (CAPN/AK network) | Distance from quake: 112 km / 69 mi | Show on map | Station Info

Seismic station Captain Cook Nikiski, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Captain Cook Nikiski, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Captain Cook Nikiski, AK, 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: Castle Rocks, AK, USA (CAST/AK network) | Distance from quake: 187 km / 116 mi | Show on map | Station Info

Seismic station Castle Rocks, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Castle Rocks, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Castle Rocks, AK, 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: Poorman, AK, USA (J19K/AK network) | Distance from quake: 324 km / 201 mi | Show on map | Station Info

Seismic station Poorman, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Poorman, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Poorman, AK, 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

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

There are no user reports for this quake.

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