Earthquake with magnitude of ML 3.0 on date 30-01-2023 and time 05:57:52 (UTC) in region Malta [Sea]

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

  • 30-01-2023 05:57:52 (UTC)
  • 30-01-2023 06:57:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8180, 14.3010 at 10 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 3.0 2023-01-30
05:57:52
34.8178 14.3013 10 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116540901
Reviewed
Rev100
ML 3.2 2023-01-30
05:57:52
34.8133 14.3038 10 2023-01-30
07:28:19
Sala Sismica INGV-Roma 113905061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-30 05:57:52 ± 0.51
Latitude 34.8178 ± 0.0297
Longitude 14.3013 ± 0.0646
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116540901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5960
Semi-minor axis of confidence ellipse (meter) 3280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 5960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 324
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 2.38230
Epicentral distance of station farthest from the epicenter (degree) 4.01367
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:3.2

Field Value
Value 3.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 113905061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-30 07:28:19

ML:3.0

Field Value
Value 3.0
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 116540901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 07:39:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSLB.HHZ. 2023-01-30T05:59:19.27 0.6 undecidable manual S 356 346.6863 38 0.27 53
IV.HVZN.HHZ. 2023-01-30T05:59:01.04 0.6 undecidable manual S 8 264.4353 38 -0.23 67
IV.PLAC.HHZ. 2023-01-30T05:58:54.66 0.1 undecidable manual P 25 445.5207 38 -0.07 76
IV.MSFR.HHZ. 2023-01-30T05:58:44.20 0.1 undecidable manual P 4 357.6753 38 0.39 100
IV.CSLB.HHZ. 2023-01-30T05:58:42.04 1.0 negative manual P 356 346.6863 38 -0.41 26
IV.CIMI.HHZ. 2023-01-30T05:58:41.82 0.6 negative manual P 349 345.987 38 -0.54 50
IV.CPTP.HHZ. 2023-01-30T05:58:35.32 1.0 negative manual P 358 287.49 38 0.24 32
IV.HVZN.HHZ. 2023-01-30T05:58:32.17 0.6 undecidable manual P 8 264.4353 38 -0.04 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HVZN.HHE. ML:3.2 0.0002544269 0.72 AML other m 2023-01-30T05:59:01.31
IV.HVZN.HNE. ML:3.2 0.0002550715 0.7904 AML other m 2023-01-30T05:59:02.52
IV.CSLB.HHE. ML:2.8 0.000057323224999999995 0.9024 AML other m 2023-01-30T05:59:20.20
IV.CSLB.HNE. ML:3.0 0.00008482459500000001 0.7392 AML other m 2023-01-30T05:59:20.20
IV.CSLB.HNN. ML:2.7 0.000047175053500000005 1.4304 AML other m 2023-01-30T05:59:19.38
IV.HVZN.HHN. ML:3.1 0.0002132218 1.52 AML other m 2023-01-30T05:59:02.10
IV.HVZN.HNN. ML:3.1 0.00020288725 1.5296 AML other m 2023-01-30T05:59:02.10
IV.CSLB.HHN. ML:2.7 0.0000380199 3.5584 AML other m 2023-01-30T05:59:18.68
IV.CPTP.HHN. ML:3.2 0.00023173845 0.6976 AML other m 2023-01-30T05:59:35.60
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