Earthquake with magnitude of ML 3.3 on date 23-01-2023 and time 13:09:06 (UTC) in region Malta [Sea]

A magnitude ML 3.3 earthquake occured in region: Malta [Sea], on

  • 23-01-2023 13:09:06 (UTC)
  • 23-01-2023 14:09:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8690, 14.1010 at 16 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.

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 3.3 2023-01-23
13:09:06
34.8688 14.1008 16 2024-03-01
17:18:01
Bollettino Sismico Italiano INGV 115887811
Reviewed
Rev100
ML 3.1 2023-01-23
13:09:06
34.8587 14.0283 10 2023-01-23
13:43:24
Sala Sismica INGV-Roma 113743201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-23 13:09:06 ± 0.39
Latitude 34.8688 ± 0.0162
Longitude 14.1008 ± 0.0460
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115887811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4179
Semi-minor axis of confidence ellipse (meter) 1343
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 4180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 320
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 1.07829
Epicentral distance of station farthest from the epicenter (degree) 3.57570
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:3.3

Field Value
Value 3.3
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 115887811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-07 10:51:16

ML:3.1

Field Value
Value 3.1
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 113743201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-23 13:43:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SCIAC.HHN. 2023-01-23T13:10:21.96 0.3 undecidable manual S 343 307.0593 54 -1.63 13
IV.HLNI.HHZ. 2023-01-23T13:10:18.87 0.6 undecidable manual S 14 283.605 54 0.33 18
IV.AGST.EHE. 2023-01-23T13:10:17.52 0.3 undecidable manual S 21 283.5051 54 -0.99 21
IV.HCRL.HHN. 2023-01-23T13:10:17.76 0.3 undecidable manual S 17 280.5081 54 -0.12 30
IV.RAFF.HHZ. 2023-01-23T13:10:15.10 0.3 undecidable manual S 5 262.1376 54 1.19 24
IV.SSY.HNN. 2023-01-23T13:10:14.72 0.3 undecidable manual S 19 268.5312 54 -0.56 30
IV.HMDC.HNN. 2023-01-23T13:10:09.62 0.6 undecidable manual S 15 239.7822 54 0.52 26
IV.HVIT.HHZ. 2023-01-23T13:10:08.32 0.6 undecidable manual S 9 238.5834 54 -0.52 26
IV.HPAC.HHE. 2023-01-23T13:10:05.99 0.6 undecidable manual S 22 220.8123 54 0.99 24
IV.CROCE.HHE. 2023-01-23T13:10:04.27 0.3 undecidable manual S 10 221.3118 54 -0.84 39
IV.MSRU.HHZ. 2023-01-23T13:10:02.65 0.3 undecidable manual P 18 396.9027 54 0.35 20
IV.MPNC.HHZ. 2023-01-23T13:10:00.22 0.6 undecidable manual P 17 380.3304 54 -0.01 15
IV.MSFR.HHZ. 2023-01-23T13:09:58.17 0.3 undecidable manual P 7 353.7792 54 1.24 15
IV.MUCR.HHZ. 2023-01-23T13:09:58.27 0.3 undecidable manual P 11 358.7742 54 0.72 19
IV.AIO.HHZ. 2023-01-23T13:09:57.89 0.3 undecidable manual P 16 358.6743 54 0.35 21
IV.CSLB.HHZ. 2023-01-23T13:09:56.02 0.3 undecidable manual P 359 340.4037 54 0.75 19
IV.EPZF.HHZ. 2023-01-23T13:09:56.04 0.3 undecidable manual P 11 334.7094 54 1.49 13
IV.SCIAC.HHN. 2023-01-23T13:09:50.49 0.6 undecidable manual P 343 307.0593 54 -0.62 14
IV.CMDO.HHZ. 2023-01-23T13:09:49.77 1.0 undecidable manual P 355 288.9885 54 0.91 7
IV.AGST.EHE. 2023-01-23T13:09:48.21 0.3 undecidable manual P 21 283.5051 54 0.03 29
IV.HLNI.HHZ. 2023-01-23T13:09:47.82 0.3 undecidable manual P 14 283.605 54 -0.38 27
IV.HCRL.HHN. 2023-01-23T13:09:47.82 0.3 undecidable manual P 17 280.5081 54 0.01 30
IV.HSRS.HNN. 2023-01-23T13:09:46.30 0.6 undecidable manual P 22 266.4333 54 0.24 22
1J.FX01.HHN. 2023-01-23T13:09:46.69 0.3 undecidable manual P 23 265.5342 54 0.74 28
IV.SSY.HNN. 2023-01-23T13:09:46.33 0.3 undecidable manual P 19 268.5312 54 0.01 34
IV.HVZN.HHZ. 2023-01-23T13:09:45.82 0.6 undecidable manual P 12 262.0377 54 0.31 23
IV.RAFF.HHZ. 2023-01-23T13:09:45.14 0.3 undecidable manual P 5 262.1376 54 -0.38 34
ML.XLND.HHE. 2023-01-23T13:09:44.50 0.3 undecidable manual S 5 129.4704 92 0.71 64
IV.CLTA.HHN. 2023-01-23T13:09:44.69 0.3 undecidable manual P 357 254.2566 54 0.15 37
IV.HAVL.HHN. 2023-01-23T13:09:43.93 0.3 undecidable manual P 21 249.3615 54 -0.01 40
IV.HMDC.HNN. 2023-01-23T13:09:42.12 0.6 undecidable manual P 15 239.7822 54 -0.62 25
IV.HVIT.HHZ. 2023-01-23T13:09:41.88 0.3 undecidable manual P 9 238.5834 54 -0.71 37
IV.HPAC.HHE. 2023-01-23T13:09:40.92 0.6 undecidable manual P 22 220.8123 54 0.55 29
ML.MSDA.BHE. 2023-01-23T13:09:40.97 0.3 undecidable manual S 17 119.6913 93 -0.19 74
IV.CROCE.HHE. 2023-01-23T13:09:38.61 0.6 undecidable manual P 10 221.3118 54 -1.83 15
ML.XLND.HHE. 2023-01-23T13:09:28.06 0.1 undecidable manual P 5 129.4704 92 -0.07 100
ML.MSDA.BHE. 2023-01-23T13:09:26.29 0.1 undecidable manual P 17 119.6913 93 -0.32 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPNC.HHE. ML:3.5 0.0002155 0.46 AML other m 2023-01-23T13:10:16.32
IV.HVZN.HHN. ML:3.5 0.00058352715 0.4416 AML other m 2023-01-23T13:10:24.18
IV.RAFF.HHE. ML:3.3 0.00035704925 0.7168 AML other m 2023-01-23T13:10:30.19
IV.RAFF.HHN. ML:3.2 0.00026485635 0.544 AML other m 2023-01-23T13:10:32.51
IV.EPZF.HHN. ML:0.0 0.00021776575 1.6192 AML other m 2023-01-23T13:10:46.50
IV.CSLB.HHE. ML:2.9 0.00006950000000000001 0.42 AML other m 2023-01-23T13:10:38.22
IV.MUCR.HHE. ML:3.2 0.0001231592 0.9792 AML other m 2023-01-23T13:11:02.02
IV.CSLB.HHN. ML:2.8 0.000058856899999999995 1.0048 AML other m 2023-01-23T13:10:51.87
IV.MUCR.HHN. ML:3.1 0.00010542471000000001 0.48 AML other m 2023-01-23T13:10:58.12
IV.EPZF.HHE. ML:0.0 0.0001795893 0.9024 AML other m 2023-01-23T13:10:43.65
IV.MPNC.HHN. ML:3.4 0.00018449999999999999 0.48 AML other m 2023-01-23T13:10:52.94
IV.HVZN.HHE. ML:3.7 0.0008393332499999999 0.6208 AML other m 2023-01-23T13:10:34.74
IV.AIO.HHN. ML:3.0 0.000085863635 0.5632 AML other m 2023-01-23T13:11:00.69
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