Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.0 on date 05-03-2023 and time 22:01:00 (UTC) in region Malta [Sea]

A magnitude ML 3.0 earthquake occured in region: Malta [Sea], on

  • 05-03-2023 22:01:00 (UTC)
  • 05-03-2023 23:01:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8300, 14.3160 at 21 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 3.0 2023-03-05
22:01:00		 34.8303 14.3157 21 2024-03-01
17:18:03		 Bollettino Sismico Italiano INGV 116288201
Reviewed
Rev100 		ML 3.0 2023-03-05
22:01:00		 34.8385 14.7687 10 2023-03-05
22:15:40		 Sala Sismica INGV-Roma 115016401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-05 22:01:00 ± 0.42
Latitude 34.8303 ± 0.0198
Longitude 14.3157 ± 0.0920
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116288201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8449
Semi-minor axis of confidence ellipse (meter) 1850
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 8450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 335
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 1.02073
Epicentral distance of station farthest from the epicenter (degree) 3.11165
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:3.0

Field Value
Value 3.0
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 116288201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-23 16:18:52

ML:3.0

Field Value
Value 3.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 115016401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-05 22:15:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2023-03-05T22:02:12.17 0.6 undecidable manual S 10 283.8048 54 0.24 18
IV.HVIT.HHZ. 2023-03-05T22:02:02.18 0.6 undecidable manual S 4 240.5814 54 -0.44 25
IV.CROCE.HHZ. 2023-03-05T22:01:58.57 0.6 undecidable manual S 5 223.0101 54 -0.26 30
IV.CSLB.HHZ. 2023-03-05T22:01:50.90 0.3 undecidable manual P 356 345.3987 54 1.3 14
IV.GALF.HHZ. 2023-03-05T22:01:47.85 1.0 undecidable manual P 4 320.3349 54 1.38 5
IV.CPTP.HHZ. 2023-03-05T22:01:43.71 0.3 undecidable manual P 357 286.2024 54 1.49 16
IV.HCRL.HHN. 2023-03-05T22:01:41.24 0.3 undecidable manual P 13 279.609 54 -0.16 29
IV.HAGA.HHZ. 2023-03-05T22:01:41.67 0.3 undecidable manual P 15 282.5061 54 -0.09 28
IV.HLNI.HHZ. 2023-03-05T22:01:41.45 0.3 undecidable manual P 10 283.8048 54 -0.47 26
IV.HSRS.HNN. 2023-03-05T22:01:40.62 0.6 undecidable manual P 18 263.8359 54 1.18 15
IV.SSY.HHZ. 2023-03-05T22:01:39.85 0.3 undecidable manual P 15 267.0327 54 0.02 33
IV.RAFF.HHZ. 2023-03-05T22:01:39.78 0.3 undecidable manual P 1 265.4343 54 0.15 33
IV.HVZN.HHZ. 2023-03-05T22:01:39.21 0.6 undecidable manual P 8 262.9368 54 -0.12 23
IV.CLTA.HHN. 2023-03-05T22:01:38.96 0.3 undecidable manual P 353 260.1396 54 -0.02 35
IV.ACATE.HNE. 2023-03-05T22:01:37.65 1.0 undecidable manual P 4 243.867 54 0.69 11
IV.HMDC.HNN. 2023-03-05T22:01:36.15 0.3 undecidable manual P 10 239.8821 54 -0.31 39
IV.HAVL.HHZ. 2023-03-05T22:01:36.97 0.6 undecidable manual P 17 247.0638 54 -0.38 24
ML.MSDA.BHE. 2023-03-05T22:01:35.90 0.6 undecidable manual S 7 119.7912 96 0.42 46
IV.HVIT.HHZ. 2023-03-05T22:01:35.98 0.1 undecidable manual P 4 240.5814 54 -0.57 49
IV.HPAC.HHZ. 2023-03-05T22:01:34.51 0.3 undecidable manual P 17 218.2149 54 0.74 40
MN.WDD.HHE. 2023-03-05T22:01:33.66 0.3 undecidable manual S 10 113.2977 96 -0.1 74
IV.CROCE.HHZ. 2023-03-05T22:01:33.83 0.6 undecidable manual P 5 223.0101 54 -0.53 28
ML.MSDA.BHE. 2023-03-05T22:01:20.69 0.1 undecidable manual P 7 119.7912 96 -0.19 96
MN.WDD.HHE. 2023-03-05T22:01:19.83 0.1 undecidable manual P 10 113.2977 96 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CROCE.HNN. ML:2.8 0.0001332117 0.448 AML other m 2023-03-05T22:02:02.18
IV.CROCE.HNE. ML:2.8 0.00015067179999999998 1.3952 AML other m 2023-03-05T22:02:01.68
IV.CROCE.HHN. ML:2.7 0.00012167185 0.4608 AML other m 2023-03-05T22:02:03.40
IV.CROCE.HHE. ML:2.7 0.00012596829999999998 0.32 AML other m 2023-03-05T22:02:03.82
IV.HPAC.HHE. ML:2.9 0.0002076171 0.8832 AML other m 2023-03-05T22:02:04.58
IV.HPAC.HHN. ML:3.1 0.00028574 1.4976 AML other m 2023-03-05T22:02:04.59
IV.HAVL.HHE. ML:3.0 0.0001726665 1.2416 AML other m 2023-03-05T22:02:11.12
IV.HAVL.HHN. ML:3.2 0.00029713715 1.1136 AML other m 2023-03-05T22:02:15.59
IV.SSY.HNN. ML:3.1 0.00022120645 0.2688 AML other m 2023-03-05T22:02:15.79
IV.SSY.HNE. ML:3.1 0.00019078345000000002 0.2432 AML other m 2023-03-05T22:02:15.80
IV.RAFF.HHE. ML:2.9 0.00013057901500000002 0.4096 AML other m 2023-03-05T22:02:17.20
IV.RAFF.HHN. ML:2.9 0.00012896115 0.5888 AML other m 2023-03-05T22:02:17.20
IV.HLNI.HHN. ML:2.4 0.00003535 0.58 AML other m 2023-03-05T22:02:17.66
IV.HVZN.HNN. ML:3.0 0.00018489129999999998 0.5376 AML other m 2023-03-05T22:02:18.04
IV.HVZN.HNE. ML:3.0 0.000153022185 0.6528 AML other m 2023-03-05T22:02:18.23
IV.HVZN.HHE. ML:3.0 0.00016476485500000002 0.6144 AML other m 2023-03-05T22:02:18.23
IV.HLNI.HHE. ML:2.4 0.0000367 0.72 AML other m 2023-03-05T22:02:18.73
IV.SSY.HHN. ML:3.8 0.00094810075 0.2432 AML other m 2023-03-05T22:02:18.87
IV.HVZN.HHN. ML:3.1 0.0002011518 0.448 AML other m 2023-03-05T22:02:21.98
IV.SSY.HHE. ML:3.5 0.00059239775 0.512 AML other m 2023-03-05T22:02:21.86
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