Earthquake with magnitude of ML 3.5 on date 18-01-2023 and time 09:46:11 (Italy) in region Malta [Sea]

A magnitude ML 3.5 earthquake occured in region: Malta [Sea], on

  • 18-01-2023 08:46:11 (UTC)
  • 18-01-2023 09:46:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8390, 14.2050 at 20 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 3.5 2023-01-18
08:46:11
34.8393 14.2052 20 2024-03-01
17:18:14
Bollettino Sismico Italiano INGV 119970261
Reviewed
Rev100
ML 3.6 2023-01-18
08:46:11
34.8263 14.0233 20 2023-01-18
09:19:02
Sala Sismica INGV-Roma 113654891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-18 08:46:11 ± 0.42
Latitude 34.8393 ± 0.0198
Longitude 14.2052 ± 0.0537
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 119970261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4906
Semi-minor axis of confidence ellipse (meter) 2003
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 4910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 316
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 1.19250
Epicentral distance of station farthest from the epicenter (degree) 4.02806
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:3.6

Field Value
Value 3.6
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 113654891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-18 09:19:02

ML:3.5

Field Value
Value 3.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 119970261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-09 13:27:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHE. 2023-01-18T08:47:23.30 0.6 undecidable manual S 19 283.4052 54 0.25 19
IV.HAGA.HHZ. 2023-01-18T08:47:22.90 0.6 undecidable manual S 17 284.4042 54 -0.37 18
IV.SSY.HHZ. 2023-01-18T08:47:19.90 0.6 undecidable manual S 17 268.731 54 0 23
IV.HVIT.HHZ. 2023-01-18T08:47:14.20 1.0 undecidable manual S 7 240.5814 54 0.38 13
IV.HMDC.HHZ. 2023-01-18T08:47:13.83 0.6 undecidable manual S 12 240.7812 54 -0.05 29
IV.PLAC.HHZ. 2023-01-18T08:47:13.71 0.6 undecidable manual P 26 447.1191 54 0.37 13
IV.SOI.EHZ. 2023-01-18T08:47:07.49 0.3 undecidable manual P 24 394.9047 54 0.65 19
IV.MUCR.HHZ. 2023-01-18T08:47:03.50 0.6 undecidable manual P 9 360.3726 54 0.95 11
IV.AIO.HHZ. 2023-01-18T08:47:02.95 0.3 undecidable manual P 14 359.3736 54 0.53 20
IV.CSLB.HHZ. 2023-01-18T08:47:01.22 0.3 undecidable manual P 358 343.9002 54 0.71 19
IV.CIMI.HHZ. 2023-01-18T08:47:00.91 0.3 undecidable manual P 351 342.2019 54 0.62 20
IV.MCT.HHN. 2023-01-18T08:46:59.34 0.3 undecidable manual P 350 312.9534 54 2.69 4
IV.EPZF.HHZ. 2023-01-18T08:46:59.73 0.6 undecidable manual P 10 336.2079 54 0.19 15
IV.ALJA.HHZ. 2023-01-18T08:46:58.48 0.6 undecidable manual P 353 325.3299 54 0.29 15
IV.CMDO.HHZ. 2023-01-18T08:46:55.13 0.6 undecidable manual P 353 293.1843 54 0.94 13
IV.SCIAC.HHE. 2023-01-18T08:46:55.25 0.1 undecidable manual P 342 312.9534 54 -1.4 19
IV.AGST.EHE. 2023-01-18T08:46:52.22 0.6 undecidable manual P 19 283.4052 54 -0.75 16
IV.HCRL.HHN. 2023-01-18T08:46:52.35 0.6 undecidable manual P 15 281.1075 54 -0.33 19
IV.HAGA.HHZ. 2023-01-18T08:46:52.45 0.6 undecidable manual P 17 284.4042 54 -0.64 17
IV.HLNI.HHZ. 2023-01-18T08:46:52.18 0.3 undecidable manual P 12 284.7039 54 -0.95 22
IV.SSY.HHZ. 2023-01-18T08:46:51.46 0.3 undecidable manual P 17 268.731 54 0.31 32
IV.HSRS.HNN. 2023-01-18T08:46:51.28 0.6 undecidable manual P 20 266.1336 54 0.46 21
1J.FX02.HHZ. 2023-01-18T08:46:51.99 0.6 undecidable manual P 18 272.5161 54 0.38 20
IV.HVZN.HNZ. 2023-01-18T08:46:50.63 0.6 undecidable manual P 10 263.4363 54 0.14 23
IV.RAFF.HHZ. 2023-01-18T08:46:50.17 0.3 undecidable manual P 3 264.735 54 -0.48 32
1J.FX01.HHN. 2023-01-18T08:46:50.34 0.6 undecidable manual P 21 264.9348 54 -0.34 22
IV.CLTA.HHE. 2023-01-18T08:46:49.69 0.3 undecidable manual P 355 258.1416 54 -0.14 37
ML.XLND.BHE. 2023-01-18T08:46:49.70 0.3 undecidable manual S 1 132.3675 94 -0.04 75
IV.HAVL.HHZ. 2023-01-18T08:46:48.00 0.6 undecidable manual P 19 249.2616 54 -0.72 22
IV.ACATE.HNE. 2023-01-18T08:46:48.88 0.6 undecidable manual P 6 243.7671 54 0.84 22
IV.HMDC.HHZ. 2023-01-18T08:46:47.59 0.6 undecidable manual P 12 240.7812 54 -0.08 28
IV.HVIT.HHZ. 2023-01-18T08:46:46.96 0.3 undecidable manual P 7 240.5814 54 -0.68 36
ML.XLND.BHE. 2023-01-18T08:46:33.78 0.1 undecidable manual P 1 132.3675 94 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HMDC.HHN. ML:3.3 0.000395 1.48 AML other m 2023-01-18T08:47:04.78
IV.HMDC.HHE. ML:2.5 0.00006819999999999999 1.06 AML other m 2023-01-18T08:47:07.82
IV.HAVL.HHE. ML:3.4 0.0005449999999999999 0.6 AML other m 2023-01-18T08:47:18.47
IV.RAFF.HHE. ML:3.5 0.000581003 1.3792 AML other m 2023-01-18T08:47:24.24
IV.HLNI.HHE. ML:3.4 0.0003115 0.58 AML other m 2023-01-18T08:47:25.03
IV.HLNI.HHN. ML:3.3 0.000266 0.68 AML other m 2023-01-18T08:47:25.34
IV.RAFF.HHN. ML:3.5 0.00049787935 0.5824 AML other m 2023-01-18T08:47:26.61
IV.SSY.HNE. ML:3.9 0.00138311545 0.48 AML other m 2023-01-18T08:47:31.65
IV.SSY.HNN. ML:3.8 0.00110261905 0.8288 AML other m 2023-01-18T08:47:33.20
IV.EPZF.HHE. ML:3.7 0.0004975 0.42 AML other m 2023-01-18T08:47:39.89
IV.EPZF.HHN. ML:3.7 0.00046550000000000004 1.52 AML other m 2023-01-18T08:47:41.16
IV.AIO.HHE. ML:3.3 0.00016350000000000002 0.6 AML other m 2023-01-18T08:47:44.49
IV.CIMI.HHE. ML:3.7 0.0004715 1.28 AML other m 2023-01-18T08:47:48.64
IV.CIMI.HNE. ML:3.8 0.0004935 1.28 AML other m 2023-01-18T08:47:48.65
IV.CSLB.HHE. ML:3.7 0.0003965 0.84 AML other m 2023-01-18T08:47:48.24
IV.AIO.HHN. ML:3.3 0.0001555 0.52 AML other m 2023-01-18T08:47:48.26
IV.CSLB.HHN. ML:3.6 0.000358 0.98 AML other m 2023-01-18T08:47:49.76
IV.CIMI.HNN. ML:3.8 0.0005775 0.62 AML other m 2023-01-18T08:47:49.14
IV.CIMI.HHN. ML:3.8 0.0005484999999999999 0.66 AML other m 2023-01-18T08:47:49.13
IV.SOI.EHE. ML:3.2 0.00010714999999999999 0.78 AML other m 2023-01-18T08:47:52.41
IV.SOI.EHN. ML:3.4 0.00015200000000000004 0.66 AML other m 2023-01-18T08:48:05.41
IV.PLAC.HHN. ML:3.4 0.00010799999999999998 0.62 AML other m 2023-01-18T08:48:15.53
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