Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 28-04-2022 and time 19:56:12 (Italy) in region 1 km SE Aieta (CS)

A magnitude ML 1.6 earthquake occured in region: 1 km SE Aieta (CS), on

  • 28-04-2022 17:56:12 (UTC)
  • 28-04-2022 19:56:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9170, 15.8320 at 24 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Aieta CS 2 823 823
Praia a Mare CS 5 6725 7548
Tortora CS 5 6187 13735
Papasidero CS 8 734 14469
San Nicola Arcella CS 9 1957 16426
Santa Domenica Talao CS 11 1263 17689
Laino Castello CS 12 848 18537
Maratea PZ 13 5139 23676
Scalea CS 13 10913 34589
Laino Borgo CS 13 1921 36510
Trecchina PZ 13 2316 38826
Mormanno CS 14 3027 41853
Orsomarso CS 15 1265 43118
Lauria PZ 15 12919 56037
Castelluccio Inferiore PZ 16 2131 58168
Castelluccio Superiore PZ 16 824 58992
Nemoli PZ 17 1495 60487
Rotonda PZ 18 3494 63981
Santa Maria del Cedro CS 19 4954 68935
Rivello PZ 19 2767 71702
Verbicaro CS 19 3056 74758

Municipalities with at least 50000 inhabitants

An earthquake occurred to
78 Km NW of Cosenza (67546 inhabitants)
81 Km S of Potenza (67122 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 1.6 2022-04-28
17:56:12		 39.9172 15.8318 24 2022-07-08
12:34:04		 Bollettino Sismico Italiano INGV 106809111
Reviewed
Rev100 		ML 1.6 2022-04-28
17:56:11		 39.9145 15.8342 27 2022-04-28
18:01:50		 Sala Sismica INGV-Roma 103908821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-28 17:56:12 ± 0.09
Latitude 39.9172 ± 0.0036
Longitude 15.8318 ± 0.0059
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 106809111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 504
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73205
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 106809111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-07-04 16:42:49

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 103908821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-28 18:01:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2022-04-28T17:58:07.29 3.0 undecidable manual Sn 0.77 0
IV.MML1.EHZ. 2022-04-28T17:58:02.64 3.0 undecidable manual Sn 5.74 0
CR.STON.BHZ. 2022-04-28T17:57:46.44 3.0 undecidable manual Sn 6.04 0
IV.AGLI.HHZ. 2022-04-28T17:57:43.10 3.0 undecidable manual Pg 12.54 0
IV.IMOL.HNZ. 2022-04-28T17:57:37.17 3.0 positive manual Pn 5.28 0
IV.POFI.HHZ. 2022-04-28T17:57:28.90 3.0 undecidable manual Sg 6.71 0
IV.FRON.EHZ. 2022-04-28T17:57:26.73 3.0 negative manual Pg 9.93 0
IV.ARVD.HHZ. 2022-04-28T17:57:16.94 3.0 positive manual Pn 1.58 0
IV.PAOL.HHZ. 2022-04-28T17:56:58.42 3.0 undecidable manual S -0.79 0
IV.POFI.HHZ. 2022-04-28T17:56:50.93 3.0 undecidable manual Pn -0.43 0
IV.ACER.HHZ. 2022-04-28T17:56:41.13 3.0 undecidable manual S -0.09 0
IV.CELI.HHZ. 2022-04-28T17:56:36.87 0.6 undecidable manual S 134 81.252 100 0.05 43
IV.ACER.HHZ. 2022-04-28T17:56:34.44 3.0 undecidable manual P 0
IV.MCEL.HHN. 2022-04-28T17:56:27.84 0.6 undecidable manual S 357 45.3213 110 0.3 46
IV.BULG.HHZ. 2022-04-28T17:56:27.20 0.6 undecidable manual S 295 42.5241 112 0.35 46
IV.CAR1.HHZ. 2022-04-28T17:56:26.47 0.6 undecidable manual P 156 80.4639 100 0.09 44
IV.CELI.HHZ. 2022-04-28T17:56:26.52 0.3 undecidable manual P 134 81.252 100 0.03 66
IV.MTSN.HNN. 2022-04-28T17:56:25.79 0.6 undecidable manual S 350 39.3273 114 -0.27 45
IV.SCHR.EHZ. 2022-04-28T17:56:25.80 0.6 undecidable manual S 33 37.5291 115 0.17 47
IV.SIRI.HHZ. 2022-04-28T17:56:23.78 0.6 undecidable manual S 6 29.5482 122 0.03 49
IV.GRIS.EHZ. 2022-04-28T17:56:21.49 0.6 undecidable manual S 175 19.6692 135 -0.19 49
IV.MCEL.HHN. 2022-04-28T17:56:21.46 0.3 undecidable manual P 357 45.3213 110 0.32 68
IV.CET2.HHZ. 2022-04-28T17:56:20.84 0.3 undecidable manual P 166 44.3223 111 -0.16 71
IV.MTSN.HNN. 2022-04-28T17:56:20.07 0.3 undecidable manual P 350 39.3273 114 -0.21 69
IV.MMN.HHZ. 2022-04-28T17:56:20.80 0.3 undecidable manual S 102 13.7751 146 0.13 73
IV.BULG.HHZ. 2022-04-28T17:56:20.78 0.6 undecidable manual P 295 42.5241 112 0.04 48
IV.SCHR.EHZ. 2022-04-28T17:56:19.80 0.3 undecidable manual P 33 37.5291 115 -0.23 70
IV.SIRI.HHZ. 2022-04-28T17:56:18.82 0.1 undecidable manual P 6 29.5482 122 -0.12 96
IV.MMN.HHZ. 2022-04-28T17:56:17.21 0.1 undecidable manual P 102 13.7751 146 0.04 100
IV.GRIS.EHZ. 2022-04-28T17:56:17.63 0.1 undecidable manual P 175 19.6692 135 -0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMN.HHE. ML:1.9 0.000438 0.38 AML other m 2022-04-28T17:56:21.08
IV.MMN.HHN. ML:2.1 0.0008 0.46 AML other m 2022-04-28T17:56:21.34
IV.GRIS.EHN. ML:1.6 0.00022700000000000002 0.62 AML other m 2022-04-28T17:56:22.01
IV.GRIS.EHE. ML:1.3 0.0000906 1.12 AML other m 2022-04-28T17:56:22.05
IV.SIRI.HNN. ML:1.6 0.00016749999999999998 1.78 AML other m 2022-04-28T17:56:23.04
IV.SIRI.HHN. ML:1.7 0.00018099999999999998 1.76 AML other m 2022-04-28T17:56:23.05
IV.SIRI.HHE. ML:1.7 0.00017549999999999998 0.28 AML other m 2022-04-28T17:56:24.33
IV.SIRI.HNE. ML:1.6 0.000169 0.44 AML other m 2022-04-28T17:56:24.33
IV.SCHR.EHE. ML:1.1 0.00003949999999999999 1.4 AML other m 2022-04-28T17:56:27.05
IV.SCHR.EHN. ML:1.1 0.00004175 0.56 AML other m 2022-04-28T17:56:27.34
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