Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.4 on date 26-01-2023 and time 02:07:11 (UTC) in region Malta [Sea]

A magnitude ML 3.4 earthquake occured in region: Malta [Sea], on

  • 26-01-2023 02:07:11 (UTC)
  • 26-01-2023 03:07:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8830, 14.0240 at 14 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Reviewed
Rev100 		ML 3.4 2023-01-26
02:07:11		 34.8832 14.0242 14 2023-01-26
02:32:43		 Sala Sismica INGV-Roma 113793101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-26 02:07:11 ± 0.17
Latitude 34.8832 ± 0.0090
Longitude 14.0242 ± 0.0153
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113793101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1471
Semi-minor axis of confidence ellipse (meter) 749
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 1470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 343
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.55677
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 10
Magnitude information

ML:3.4

Field Value
Value 3.4
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 113793101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-26 02:32:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2023-01-26T02:09:16.34 3.0 undecidable manual Pg 11.25 0
IV.PAOL.HHZ. 2023-01-26T02:08:39.90 3.0 positive manual Pn -2.51 0
IX.COL3.HHZ.02 2023-01-26T02:08:36.19 3.0 undecidable manual Pn -2.3 0
IV.HMDC.HHE. 2023-01-26T02:08:13.96 0.6 undecidable manual S 16 2.1638 54 -0.09 55
IV.HVIT.HHE. 2023-01-26T02:08:13.65 1.0 undecidable manual S 11 2.1458 54 0.01 28
IV.HPAC.HHZ. 2023-01-26T02:08:10.12 1.0 undecidable manual S 24 2.0001 54 -0.03 32
IV.CROCE.HHE. 2023-01-26T02:08:09.86 0.6 undecidable manual S 12 1.9920 54 -0.08 63
IV.MSRU.HHZ. 2023-01-26T02:08:08.15 3.0 negative manual Pn 1.09 0
IV.IVPL.HHZ. 2023-01-26T02:08:07.19 3.0 undecidable manual Pn 0.51 0
IV.PLLN.EHZ. 2023-01-26T02:08:02.59 3.0 undecidable manual Pn 1.65 0
IV.AIO.HHZ. 2023-01-26T02:08:02.91 3.0 negative manual Pn 0.72 0
IV.MUCR.HHZ. 2023-01-26T02:08:02.04 3.0 undecidable manual Pn 0.07 0
IV.MSFR.HHZ. 2023-01-26T02:08:02.88 3.0 negative manual Pn 1.49 0
IV.CSLB.HHZ. 2023-01-26T02:08:00.67 3.0 positive manual Pn 0.33 0
IV.CIMI.HHZ. 2023-01-26T02:07:59.96 3.0 positive manual Pn -1.22 0
IV.HLNI.HHZ. 2023-01-26T02:07:52.99 0.6 undecidable manual P 15 2.5568 54 0.03 38
IV.SSY.HHZ. 2023-01-26T02:07:51.26 1.0 undecidable manual P 20 2.4264 54 0.1 22
IV.RAFF.HHZ. 2023-01-26T02:07:50.45 1.0 negative manual P 7 2.3535 54 0.29 22
ML.XLND.BHE. 2023-01-26T02:07:48.34 1.0 undecidable manual S 8 1.1592 91 0.23 47
IV.HMDC.HHE. 2023-01-26T02:07:47.64 0.6 undecidable manual P 16 2.1638 54 0.11 55
IV.ACATE.EHE. 2023-01-26T02:07:47.79 0.6 undecidable manual P 10 2.1737 54 0.12 54
IV.HVIT.HHE. 2023-01-26T02:07:47.41 1.0 undecidable manual P 11 2.1458 54 0.12 28
IV.HPAC.HHZ. 2023-01-26T02:07:45.57 1.0 undecidable manual P 24 2.0001 54 0.29 30
ML.MSDA.BHE. 2023-01-26T02:07:45.88 0.6 undecidable manual S 20 1.0846 92 0 100
IV.CROCE.HHE. 2023-01-26T02:07:44.60 1.0 undecidable manual P 12 1.9920 54 -0.55 28
ML.XLND.BHE. 2023-01-26T02:07:32.41 0.6 undecidable manual P 8 1.1592 91 -0.14 95
ML.MSDA.BHE. 2023-01-26T02:07:31.21 0.6 undecidable manual P 20 1.0846 92 -0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HPAC.HHN. ML:3.3 0.0005369999999999999 0.6 AML other m 2023-01-26T02:07:51.05
IV.SSY.HHN. ML:4.0 0.0016200000000000001 0.4 AML other m 2023-01-26T02:08:03.74
IV.CSLB.HNN. ML:3.0 0.0000959 0.62 AML other m 2023-01-26T02:08:06.22
IV.HPAC.HHE. ML:3.5 0.000766 0.28 AML other m 2023-01-26T02:08:16.68
IV.RAFF.HHN. ML:3.2 0.00023799999999999998 1.1 AML other m 2023-01-26T02:08:24.61
IV.RAFF.HHE. ML:3.3 0.000312 0.68 AML other m 2023-01-26T02:08:25.55
IV.SSY.HNN. ML:3.5 0.0005380000000000001 0.34 AML other m 2023-01-26T02:08:29.90
IV.SSY.HHE. ML:3.9 0.001281 0.58 AML other m 2023-01-26T02:08:32.18
IV.SSY.HNE. ML:3.5 0.0005905 0.62 AML other m 2023-01-26T02:08:32.24
IV.HLNI.HHN. ML:3.4 0.0003795 0.88 AML other m 2023-01-26T02:08:35.50
IV.HLNI.HHE. ML:3.3 0.0002965 1.3 AML other m 2023-01-26T02:08:35.85
IV.PLLN.EHE. ML:3.7 0.0004415 0.96 AML other m 2023-01-26T02:08:41.00
IV.CSLB.HHE. ML:3.2 0.000129 0.62 AML other m 2023-01-26T02:08:42.80
IV.CSLB.HNE. ML:3.2 0.00013209999999999999 0.66 AML other m 2023-01-26T02:08:43.92
IV.CIMI.HNE. ML:3.4 0.000258 1.6 AML other m 2023-01-26T02:08:46.92
IV.CIMI.HHE. ML:3.4 0.0002525 1.26 AML other m 2023-01-26T02:08:49.88
IV.CIMI.HNN. ML:3.4 0.00022649999999999998 1.26 AML other m 2023-01-26T02:08:50.04
IV.CIMI.HHN. ML:3.4 0.000208 1.24 AML other m 2023-01-26T02:08:50.68
IV.PLLN.EHN. ML:3.8 0.000574 0.78 AML other m 2023-01-26T02:08:51.57
IV.MUCR.HHE. ML:3.1 0.0000977 0.54 AML other m 2023-01-26T02:08:51.68
IV.CSLB.HHN. ML:3.0 0.0000819 0.62 AML other m 2023-01-26T02:08:51.89
IV.MUCR.HHN. ML:3.2 0.00011 0.88 AML other m 2023-01-26T02:08:56.54
IV.MSRU.HHN. ML:3.3 0.0001265 1.22 AML other m 2023-01-26T02:09:01.08
IV.MSRU.HHE. ML:3.4 0.000161 0.58 AML other m 2023-01-26T02:09:05.69
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download