Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.7 on date 25-02-2023 and time 02:30:01 (Italy) in region Malta [Sea]

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

  • 25-02-2023 01:30:01 (UTC)
  • 25-02-2023 02:30:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.7670, 14.2970 at 22 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 2023-02-25
01:30:01		 34.7672 14.297 22 2024-03-01
17:18:00		 Bollettino Sismico Italiano INGV 115658291
Reviewed
Rev100 		ML 2.9 2023-02-25
01:30:02		 34.7562 14.5068 16 2023-02-25
01:44:29		 Sala Sismica INGV-Roma 114782021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-25 01:30:01 ± 0.53
Latitude 34.7672 ± 0.0414
Longitude 14.2970 ± 0.1095
Depth (km) 22 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115658291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 10258
Semi-minor axis of confidence ellipse (meter) 3738
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 10260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 344
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 1.14394
Epicentral distance of station farthest from the epicenter (degree) 2.94978
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.7

Field Value
Value 2.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 115658291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-07 01:23:01

ML:2.9

Field Value
Value 2.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 114782021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-25 01:44:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2023-02-25T01:31:13.55 0.6 undecidable manual S 17 288.489 54 -0.23 24
IV.RAFF.HHZ. 2023-02-25T01:31:11.89 0.6 undecidable manual S 1 272.4162 54 1.57 16
IV.SSY.HHZ. 2023-02-25T01:31:10.97 0.6 undecidable manual S 15 274.2144 54 0.27 28
IV.HAVL.HHZ. 2023-02-25T01:31:06.47 0.6 undecidable manual S 17 254.2566 54 0.07 35
IV.HMDC.HHZ. 2023-02-25T01:31:04.92 0.6 undecidable manual S 10 247.0638 54 0.07 37
IV.HVIT.HHZ. 2023-02-25T01:31:04.28 0.6 undecidable manual S 5 247.6632 54 -0.71 31
IV.HPAC.HHE. 2023-02-25T01:30:59.70 0.6 undecidable manual S 17 225.4077 54 -0.49 39
IV.GALF.HHZ. 2023-02-25T01:30:49.72 0.3 undecidable manual P 4 327.4278 54 1.51 18
IV.AGST.EHZ. 2023-02-25T01:30:43.63 0.3 undecidable manual P 17 288.489 54 0.26 36
IV.SSY.HHZ. 2023-02-25T01:30:42.26 0.3 undecidable manual P 15 274.2144 54 0.67 37
IV.RAFF.HHZ. 2023-02-25T01:30:41.56 0.3 undecidable manual P 1 272.4162 54 0.19 43
IV.HAVL.HHZ. 2023-02-25T01:30:38.82 0.3 undecidable manual P 17 254.2566 54 -0.29 50
ML.MSDA.BHE. 2023-02-25T01:30:38.38 0.6 undecidable manual S 8 126.9729 95 0.09 67
IV.HMDC.HHZ. 2023-02-25T01:30:38.07 1.0 undecidable manual P 10 247.0638 54 -0.14 18
IV.HVIT.HHZ. 2023-02-25T01:30:37.55 0.3 undecidable manual P 5 247.6632 54 -0.74 45
IV.HPAC.HHE. 2023-02-25T01:30:36.12 0.3 undecidable manual P 17 225.4077 54 0.6 57
IV.CROCE.HHE. 2023-02-25T01:30:35.46 0.3 undecidable manual P 5 230.0919 54 -0.64 54
ML.MSDA.BHE. 2023-02-25T01:30:22.71 0.3 undecidable manual P 8 126.9729 95 -0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HMDC.HNE. ML:2.6 0.00007272340500000001 0.4 AML other m 2023-02-25T01:31:05.75
IV.HMDC.HHE. ML:1.7 0.0000092332225 0.4 AML other m 2023-02-25T01:31:05.36
IV.HMDC.HNN. ML:2.7 0.00009204625 1.18 AML other m 2023-02-25T01:31:05.73
IV.HMDC.HHN. ML:2.5 0.00006465665500000001 0.46 AML other m 2023-02-25T01:31:05.74
IV.HAVL.HHE. ML:2.4 0.000043354045 0.26 AML other m 2023-02-25T01:31:07.31
IV.HAVL.HHN. ML:2.6 0.00007350023 0.2 AML other m 2023-02-25T01:31:07.40
IV.SSY.HHE. ML:3.0 0.00013483175 0.64 AML other m 2023-02-25T01:31:11.62
IV.SSY.HNE. ML:2.5 0.000050830125 0.2504 AML other m 2023-02-25T01:31:11.34
IV.SSY.HHN. ML:3.0 0.0001577697 0.24 AML other m 2023-02-25T01:31:11.23
IV.SSY.HNN. ML:2.7 0.00006794344 0.3096 AML other m 2023-02-25T01:31:12.43
IV.AGST.EHN. ML:3.0 0.0001323228 0.3 AML other m 2023-02-25T01:31:16.16
IV.AGST.EHE. ML:3.1 0.00015877315 0.28 AML other m 2023-02-25T01:31:16.54
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