Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.7 on date 16-02-2023 and time 04:19:46 (UTC) in region Malta [Sea]

A magnitude ML 2.7 earthquake occured in region: Malta [Sea], on

  • 16-02-2023 04:19:46 (UTC)
  • 16-02-2023 05:19:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8820, 14.1530 at 15 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.7 2023-02-16
04:19:46		 34.8818 14.1532 15 2024-03-01
17:17:59		 Bollettino Sismico Italiano INGV 115625051
Reviewed
Rev100 		ML 2.7 2023-02-16
04:19:43		 34.6638 14.3562 10 2023-02-16
04:33:18		 Sala Sismica INGV-Roma 114474021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-16 04:19:46 ± 0.53
Latitude 34.8818 ± 0.0252
Longitude 14.1532 ± 0.0219
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115625051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2986
Semi-minor axis of confidence ellipse (meter) 1176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 328
Circular confidence region, given by single value of horizontal uncertainty (meter) 2990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 277
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 1.05401
Epicentral distance of station farthest from the epicenter (degree) 3.10896
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.7

Field Value
Value 2.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 115625051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-10-30 10:59:11

ML:2.7

Field Value
Value 2.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 114474021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-16 04:33:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAFF.HHZ. 2023-02-16T04:20:53.85 0.6 undecidable manual S 4 260.3394 54 0.11 31
IV.CROCE.HHE. 2023-02-16T04:20:44.55 0.6 undecidable manual S 9 219.114 54 -0.3 41
IV.CSLB.HHZ. 2023-02-16T04:20:36.05 0.3 undecidable manual P 359 339.105 54 0.81 24
IV.PLLN.EHZ. 2023-02-16T04:20:36.41 0.6 undecidable manual P 360 345.099 54 0.42 18
IV.CIMI.HHZ. 2023-02-16T04:20:35.63 0.3 undecidable manual P 351 336.8073 54 0.68 26
IV.LINA.HHE. 2023-02-16T04:20:31.82 0.6 undecidable manual S 314 160.2174 92 -0.19 58
IV.RAFF.HHZ. 2023-02-16T04:20:25.74 0.3 undecidable manual P 4 260.3394 54 0.3 45
IV.HSRS.HNN. 2023-02-16T04:20:25.65 1.0 undecidable manual P 21 263.3364 54 -0.17 15
IV.CLTA.HHE. 2023-02-16T04:20:24.90 0.3 undecidable manual P 356 253.0578 54 0.36 48
IV.HMDC.HNN. 2023-02-16T04:20:23.53 0.3 undecidable manual P 14 237.2847 54 0.96 43
IV.HAVL.HHN. 2023-02-16T04:20:22.90 0.3 undecidable manual P 20 246.3645 54 -0.8 43
IV.HVIT.HHE. 2023-02-16T04:20:21.97 0.6 undecidable manual P 8 236.4855 54 -0.5 35
ML.MSDA.BHE. 2023-02-16T04:20:20.59 0.6 undecidable manual S 15 116.994 92 0.11 66
IV.CROCE.HHE. 2023-02-16T04:20:19.39 0.3 undecidable manual P 9 219.114 54 -0.92 49
IV.LINA.HHE. 2023-02-16T04:20:13.15 0.6 undecidable manual P 314 160.2174 92 0.25 57
IV.LPDG.HHE. 2023-02-16T04:20:11.94 0.6 undecidable manual P 298 155.0226 92 -0.16 60
ML.MSDA.BHE. 2023-02-16T04:20:06.15 0.3 undecidable manual P 15 116.994 92 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAFF.HHE. ML:3.0 0.0001565 1.04 AML other m 2023-02-16T04:21:09.97
IV.RAFF.HHN. ML:2.8 0.00009429999999999999 0.42 AML other m 2023-02-16T04:21:10.61
IV.CSLB.HNN. ML:2.2 0.000014383555 1.6416 AML other m 2023-02-16T04:21:12.83
IV.CSLB.HNE. ML:2.2 0.000015613217 0.5728 AML other m 2023-02-16T04:21:13.01
IV.CIMI.HHE. ML:2.8 0.0000623 0.8 AML other m 2023-02-16T04:21:16.66
IV.CSLB.HHN. ML:2.4 0.00002495 0.58 AML other m 2023-02-16T04:21:16.40
IV.CSLB.HHE. ML:2.4 0.00002275 1.6 AML other m 2023-02-16T04:21:17.88
IV.PLLN.EHN. ML:3.3 0.00017749999999999998 1.34 AML other m 2023-02-16T04:21:20.83
IV.PLLN.EHE. ML:3.2 0.0001275 0.62 AML other m 2023-02-16T04:21:20.93
IV.CIMI.HHN. ML:2.8 0.00005335 0.68 AML other m 2023-02-16T04:21:23.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download