Earthquake with magnitude of ML 3.0 on date 27-09-2021 and time 02:00:17 (Italy) in region Malta [Sea]

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

  • 27-09-2021 00:00:17 (UTC)
  • 27-09-2021 02:00:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 34.7800, 14.0330 at 19 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 2021-09-27
00:00:17
34.7802 14.0328 19 2022-03-30
13:04:38
Bollettino Sismico Italiano INGV 101108611
Reviewed
Rev100
ML 3.0 2021-09-27
00:00:17
34.7897 13.9462 20 2021-09-27
00:15:59
Sala Sismica INGV-Roma 95923001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-27 00:00:17 ± 0.4
Latitude 34.7802 ± 0.0387
Longitude 14.0328 ± 0.0493
Depth (km) 19 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101108611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6004
Semi-minor axis of confidence ellipse (meter) 1150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 133
Circular confidence region, given by single value of horizontal uncertainty (meter) 6000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 322
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.21148
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:3.0

Field Value
Value 3.0
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 101108611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-18 11:39:46

ML:3.0

Field Value
Value 3.0
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 95923001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-27 00:15:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2021-09-27T00:02:33.72 3.0 undecidable manual Sn -3.98 0
IV.SMA1.EHZ. 2021-09-27T00:02:05.62 3.0 positive manual Pn -7.56 0
IX.COL3.HHZ.02 2021-09-27T00:01:47.92 3.0 negative manual Pn 1.74 0
IV.HAGA.HHZ. 2021-09-27T00:01:31.22 0.6 undecidable manual S 20 2.6620 54 -0.38 21
IV.HLNI.HHZ. 2021-09-27T00:01:30.95 0.6 undecidable manual S 15 2.6548 54 -0.47 20
IV.RAFF.HHZ. 2021-09-27T00:01:27.76 0.6 undecidable manual S 6 2.4551 54 1.12 20
IV.HAVL.HHZ. 2021-09-27T00:01:23.93 0.6 undecidable manual S 22 2.3499 54 -0.19 31
IV.HVIT.HHZ. 2021-09-27T00:01:21.17 0.6 undecidable manual S 10 2.2465 54 -0.47 32
IV.HPAC.HHZ. 2021-09-27T00:01:18.47 0.6 undecidable manual S 23 2.0918 54 0.51 36
IV.ISPIC.EHZ. 2021-09-27T00:01:18.53 0.6 undecidable manual S 19 2.1197 54 -0.09 39
IV.GIB.HHZ. 2021-09-27T00:01:08.61 0.3 undecidable manual P 360 3.2079 54 0.72 25
IV.EPZF.HHZ. 2021-09-27T00:01:08.15 0.6 undecidable manual P 12 3.1135 54 1.57 11
IV.PLLN.EHZ. 2021-09-27T00:01:08.81 0.6 undecidable manual P 2 3.2115 54 0.87 15
IV.SCIAC.HHZ. 2021-09-27T00:01:01.98 0.3 undecidable manual P 345 2.8365 54 -0.77 25
IV.CPTP.HHZ. 2021-09-27T00:01:00.37 0.6 undecidable manual P 2 2.6278 54 0.5 21
IV.HSRS.HNN. 2021-09-27T00:00:59.64 0.3 undecidable manual P 22 2.5037 54 1.48 23
IV.HAGA.HHZ. 2021-09-27T00:00:59.99 0.3 undecidable manual P 20 2.6620 54 -0.36 31
IV.HLNI.HHZ. 2021-09-27T00:00:59.67 0.3 undecidable manual P 15 2.6548 54 -0.58 30
IV.HCRL.HHZ. 2021-09-27T00:00:59.91 0.3 undecidable manual P 18 2.6287 54 0.02 35
IV.HVZN.HNZ. 2021-09-27T00:00:58.12 0.3 undecidable manual P 13 2.4596 54 0.57 38
IV.SSY.HHZ. 2021-09-27T00:00:58.40 0.3 undecidable manual P 19 2.5208 54 0 40
IV.RAFF.HHZ. 2021-09-27T00:00:57.18 0.3 undecidable manual P 6 2.4551 54 -0.31 40
IV.CLTA.HHZ. 2021-09-27T00:00:56.43 0.3 undecidable manual P 359 2.3769 54 0.02 47
IV.HAVL.HHZ. 2021-09-27T00:00:55.56 0.3 undecidable manual P 22 2.3499 54 -0.48 44
IV.HMDC.HNN. 2021-09-27T00:00:54.59 0.3 undecidable manual P 15 2.2609 54 -0.21 50
MN.WDD.HHZ. 2021-09-27T00:00:53.69 0.6 undecidable manual S 21 1.1295 94 0.01 67
IV.HVIT.HHZ. 2021-09-27T00:00:53.93 0.6 undecidable manual P 10 2.2465 54 -0.67 30
IV.ISPIC.EHZ. 2021-09-27T00:00:52.74 0.3 undecidable manual P 19 2.1197 54 -0.12 58
IV.HPAC.HHZ. 2021-09-27T00:00:52.55 0.3 undecidable manual P 23 2.0918 54 0.07 59
MN.WDD.HHZ. 2021-09-27T00:00:38.45 0.3 undecidable manual P 21 1.1295 94 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CPTP.HHE. ML:2.8 0.000075371575 1.66 AML other m 2021-09-27T00:01:02.12
IV.ISPIC.HNE. ML:3.2 0.00032566545 1.09 AML other m 2021-09-27T00:01:06.80
IV.SCIAR.HNN. ML:3.2 0.000143108395 0.54 AML other m 2021-09-27T00:01:12.14
IV.SCIAR.HHE. ML:2.6 0.000028616515 0.22 AML other m 2021-09-27T00:01:13.41
IV.CPTP.HHN. ML:2.7 0.00006201722999999999 1.5 AML other m 2021-09-27T00:01:25.22
IV.ISPIC.EHE. ML:2.8 0.0001381024 0.44 AML other m 2021-09-27T00:01:27.75
IV.HPAC.HHE. ML:3.2 0.0003857587 0.68 AML other m 2021-09-27T00:01:28.55
IV.HPAC.HHN. ML:3.3 0.0004401236 0.36 AML other m 2021-09-27T00:01:29.98
IV.HVIT.HHE. ML:3.0 0.00019389469999999998 0.42 AML other m 2021-09-27T00:01:30.25
IV.ISPIC.HNN. ML:2.9 0.000158444375 0.29 AML other m 2021-09-27T00:01:30.45
IV.ISPIC.EHN. ML:2.8 0.00014872469 0.34 AML other m 2021-09-27T00:01:30.45
IV.SCIAR.HNE. ML:3.3 0.00016130105 0.8 AML other m 2021-09-27T00:01:30.75
IV.HCRL.HHE. ML:2.9 0.00010250000000000001 0.16 AML other m 2021-09-27T00:01:34.18
IV.HVIT.HHN. ML:3.1 0.0002325846 1.4 AML other m 2021-09-27T00:01:35.87
IV.HCRL.HHN. ML:2.7 0.00007071080000000001 0.24 AML other m 2021-09-27T00:01:37.40
IV.RAFF.HHE. ML:3.1 0.00020560584999999997 0.52 AML other m 2021-09-27T00:01:38.26
IV.HAVL.HHN. ML:3.2 0.00024731039999999996 0.34 AML other m 2021-09-27T00:01:39.84
IV.HAVL.HHE. ML:2.9 0.0001443372 0.32 AML other m 2021-09-27T00:01:39.83
IV.CLTA.HHE. ML:2.8 0.00009691736 1.18 AML other m 2021-09-27T00:01:40.98
IV.CLTA.HHN. ML:2.7 0.00007750572 1.12 AML other m 2021-09-27T00:01:41.81
IV.RAFF.HHN. ML:3.0 0.00016640865 0.56 AML other m 2021-09-27T00:01:42.35
IV.SSY.HHE. ML:3.6 0.0005749297 0.48 AML other m 2021-09-27T00:01:42.47
IV.SSY.HHN. ML:3.7 0.00075456665 0.22 AML other m 2021-09-27T00:01:45.82
IV.ESCV.HHE. ML:2.9 0.00008091091 0.88 AML other m 2021-09-27T00:01:46.99
IV.HLNI.HHN. ML:3.0 0.00012779675000000002 0.6 AML other m 2021-09-27T00:01:47.35
IV.HLNI.HHE. ML:3.0 0.0001292992 1.66 AML other m 2021-09-27T00:01:47.93
IV.GIB.HHE. ML:3.2 0.00013769975 0.78 AML other m 2021-09-27T00:01:49.10
IV.HAGA.HHE. ML:3.1 0.00016592855 0.56 AML other m 2021-09-27T00:01:49.49
IV.HAGA.HHN. ML:3.1 0.0001453478 0.68 AML other m 2021-09-27T00:01:50.09
IV.SCIAR.HHN. ML:2.7 0.000039622565 1.48 AML other m 2021-09-27T00:01:52.87
IV.PLLN.EHE. ML:3.2 0.0001278476 0.94 AML other m 2021-09-27T00:01:52.18
IV.ESCV.HHN. ML:3.2 0.00012925995 1.46 AML other m 2021-09-27T00:01:54.22
IV.GIB.HHN. ML:3.1 0.0001022 0.46 AML other m 2021-09-27T00:01:57.51
IV.PLLN.EHN. ML:3.0 0.00008719594 0.64 AML other m 2021-09-27T00:01:57.10
MN.CLTB.HHN. ML:0.0 0.00031800000000000003 0.66 AML other m 2021-09-27T00:02:01.54
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