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Light mag. 3.7 earthquake - 104 km south of Birkirkara, Malta, on Sunday, April 22, 2001 at 15:44 GMT

Light magnitude 3.7 earthquake at 33 km depth

Earthquake details

Date & time	Apr 22, 2001 15:44:35 UTC
Local time at epicenter
Status	Confirmed
Magnitude	3.7
Depth	33.0 km
Epicenter latitude / longitude	34.967°N / 14.319°E (Eastern Mediterranean, Malta)
Antipode	34.967°S / 165.681°W
Shaking intensity	Weak shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Linosa (165 km / 103 mi)
Nearby towns and cities	97 km (60 mi) S of Żurrieq (pop: 9,150) \| Show on map \| Quakes nearby 99 km (61 mi) S of Mqabba (pop: 2,890) \| Show on map \| Quakes nearby 102 km (63 mi) S of Qormi (pop: 18,200) \| Show on map \| Quakes nearby 102 km (63 mi) S of Paula (pop: 9,260) \| Show on map \| Quakes nearby 103 km (64 mi) S of Mdina (pop: 360) \| Show on map \| Quakes nearby 103 km (64 mi) S of Imtarfa (pop: 2,430) \| Show on map \| Quakes nearby 104 km (65 mi) S of Senglea (pop: 2,960) \| Show on map \| Quakes nearby 104 km (65 mi) S of Birkirkara (pop: 21,700) \| Show on map \| Quakes nearby 104 km (65 mi) S of Birgu (pop: 2,940) \| Show on map \| Quakes nearby 105 km (65 mi) S of Floriana (pop: 2,520) \| Show on map \| Quakes nearby 105 km (65 mi) S of Ta’ Xbiex (pop: 1,640) \| Show on map \| Quakes nearby 105 km (65 mi) S of Valleta (pop: 6,790) \| Show on map \| Quakes nearby 118 km (73 mi) S of Għajnsielem (pop: 3,260) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	2.2 x 10¹⁰ joules (6.22 megawatt hours, equivalent to 5.35 tons of 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.	Depth	Location	Source
3.7	33 km	central Mediterranean Sea (Malta)	USGS

Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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Seismograms

Seismic station: Castrocucco, Italy (CUC/MN network) | Distance from quake: 574 km / 357 mi | Show on map | Station Info

Seismic station Castrocucco, Italy: 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: 0.5-5.0 Hz. 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.

Earlier earthquakes in the same area

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