Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.7 on date 15-02-2023 and time 17:06:12 (UTC) in region Malta [Sea]

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

  • 15-02-2023 17:06:12 (UTC)
  • 15-02-2023 18:06:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.9990, 14.1250 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.

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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 2023-02-15
17:06:12		 34.9988 14.1252 10 2024-03-01
17:18:00		 Bollettino Sismico Italiano INGV 115745421
Reviewed
Rev100 		ML 2.4 2023-02-15
17:06:10		 34.8518 14.4435 10 2023-02-15
17:34:34		 Sala Sismica INGV-Roma 114459271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-15 17:06:12 ± 0.51
Latitude 34.9988 ± 0.0306
Longitude 14.1252 ± 0.0593
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115745421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5670
Semi-minor axis of confidence ellipse (meter) 2910
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 292
Circular confidence region, given by single value of horizontal uncertainty (meter) 5670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 328
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 1.86250
Epicentral distance of station farthest from the epicenter (degree) 2.99025
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.7

Field Value
Value 2.7
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 115745421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-13 14:06:36

ML:2.4

Field Value
Value 2.4
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 114459271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-15 17:34:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HCRL.HHZ. 2023-02-15T17:07:21.30 0.6 undecidable manual S 18 266.1336 38 -0.23 62
IV.HLNI.HHZ. 2023-02-15T17:07:21.90 0.3 undecidable manual S 14 269.0307 38 -0.28 91
IV.HSRS.HHZ. 2023-02-15T17:07:19.60 0.6 undecidable manual S 23 252.2586 38 1.05 49
IV.SSY.HHZ. 2023-02-15T17:07:19.30 0.6 undecidable manual S 19 254.1567 38 0.35 64
IV.CLTA.HHZ. 2023-02-15T17:07:15.60 0.6 undecidable manual S 357 239.982 38 -0.3 68
IV.HMDC.HNN. 2023-02-15T17:07:12.30 0.6 undecidable manual S 15 225.3078 38 -0.44 69
IV.CROCE.HHZ. 2023-02-15T17:07:09.00 0.6 undecidable manual S 10 206.7375 38 0.27 76
IV.GIB.HHZ. 2023-02-15T17:07:01.19 0.6 undecidable manual P 359 331.9122 38 0.68 40
IV.CSLB.HHZ. 2023-02-15T17:07:00.62 0.3 undecidable manual P 359 326.0292 38 0.84 59
IV.CIMI.HNE. 2023-02-15T17:06:59.91 1.0 undecidable manual P 351 323.5317 38 0.44 23
IV.HSRS.HHZ. 2023-02-15T17:06:51.42 1.0 undecidable manual P 23 252.2586 38 0.82 27
IV.HLNI.HHZ. 2023-02-15T17:06:51.57 0.3 undecidable manual P 14 269.0307 38 -1.12 67
IV.HCRL.HHZ. 2023-02-15T17:06:51.73 0.6 undecidable manual P 18 266.1336 38 -0.59 57
IV.SSY.HHZ. 2023-02-15T17:06:50.25 1.0 undecidable manual P 19 254.1567 38 -0.58 30
IV.RAFF.HHZ. 2023-02-15T17:06:49.77 0.3 undecidable manual P 5 247.5633 38 -0.25 100
IV.CLTA.HHZ. 2023-02-15T17:06:49.35 0.6 undecidable manual P 357 239.982 38 0.28 68
IV.HAVL.HHZ. 2023-02-15T17:06:48.67 0.6 undecidable manual P 22 235.1868 38 0.2 71
IV.HMDC.HNN. 2023-02-15T17:06:47.52 1.0 undecidable manual P 15 225.3078 38 0.27 36
IV.CROCE.HHZ. 2023-02-15T17:06:44.83 1.0 undecidable manual P 10 206.7375 38 -0.1 40
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSY.HHN. ML:3.2 0.0003045 0.46 AML other m 2023-02-15T17:07:02.28
IV.SSY.HHE. ML:3.0 0.0001715 1.34 AML other m 2023-02-15T17:07:06.07
IV.SSY.HNN. ML:2.6 0.000077907675 3.4304 AML other m 2023-02-15T17:07:19.58
IV.RAFF.HHE. ML:2.5 0.00005504187 2.1376 AML other m 2023-02-15T17:07:22.18
IV.SSY.HNE. ML:2.8 0.00011027778500000001 1.1136 AML other m 2023-02-15T17:07:21.60
IV.RAFF.HHN. ML:2.4 0.000046842825 0.576 AML other m 2023-02-15T17:07:24.92
IV.HAVL.HHE. ML:2.8 0.000132839 1.216 AML other m 2023-02-15T17:07:30.47
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download