Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 28-04-2022 and time 17:04:12 (UTC) in region 3 km SE Aieta (CS)

A magnitude ML 1.7 earthquake occured in region: 3 km SE Aieta (CS), on

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

and geographic coordinates (lat, lon) 39.9180, 15.8520 at 25 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 3 823 823
Praia a Mare CS 7 6725 7548
Papasidero CS 7 734 8282
Tortora CS 7 6187 14469
San Nicola Arcella CS 9 1957 16426
Laino Castello CS 11 848 17274
Santa Domenica Talao CS 11 1263 18537
Laino Borgo CS 11 1921 20458
Mormanno CS 12 3027 23485
Scalea CS 13 10913 34398
Trecchina PZ 14 2316 36714
Maratea PZ 14 5139 41853
Orsomarso CS 14 1265 43118
Castelluccio Inferiore PZ 14 2131 45249
Lauria PZ 15 12919 58168
Castelluccio Superiore PZ 15 824 58992
Rotonda PZ 16 3494 62486
Nemoli PZ 17 1495 63981
Santa Maria del Cedro CS 19 4954 68935
Verbicaro CS 19 3056 71991
Rivello PZ 20 2767 74758

Municipalities with at least 50000 inhabitants

An earthquake occurred to
78 Km NW of Cosenza (67546 inhabitants)
80 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 1.7 2022-04-28
17:04:12		 39.9178 15.8515 25 2022-07-08
12:34:04		 Bollettino Sismico Italiano INGV 106808951
Reviewed
Rev100 		ML 1.7 2022-04-28
17:04:12		 39.9162 15.851 24 2022-04-28
17:14:15		 Sala Sismica INGV-Roma 103906861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-28 17:04:12 ± 0.14
Latitude 39.9178 ± 0.0036
Longitude 15.8515 ± 0.0117
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 106808951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 761
Semi-minor axis of confidence ellipse (meter) 654
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71946
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 106808951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-07-04 16:31:06

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 103906861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-28 17:14:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT15.EHZ. 2022-04-28T17:04:54.92 3.0 undecidable manual Sn -0.12 0
IV.MCEL.HHZ. 2022-04-28T17:04:27.97 0.3 undecidable manual S 355 45.3213 112 0.49 66
IV.BULG.HHZ. 2022-04-28T17:04:27.45 0.6 undecidable manual S 294 44.0226 113 0.29 45
IV.CET2.HHZ. 2022-04-28T17:04:26.76 0.6 undecidable manual S 168 44.0226 113 -0.4 45
IV.CAR1.HHZ. 2022-04-28T17:04:26.36 0.6 undecidable manual P 157 79.8645 102 0.25 43
IV.MTSN.HHZ. 2022-04-28T17:04:25.58 0.3 undecidable manual S 348 39.5271 116 -0.5 65
IV.SCHR.EHZ. 2022-04-28T17:04:25.68 0.6 undecidable manual S 31 36.5412 118 0.32 46
IV.SIRI.HHZ. 2022-04-28T17:04:23.66 0.3 undecidable manual S 3 29.3484 125 -0.05 73
IV.GRIS.EHZ. 2022-04-28T17:04:21.78 0.3 undecidable manual S 180 19.6692 137 0.03 74
IV.MCEL.HHZ. 2022-04-28T17:04:20.89 0.3 undecidable manual P 355 45.3213 112 -0.11 70
IV.MMN.HHZ. 2022-04-28T17:04:20.69 0.3 undecidable manual S 104 12.1767 151 0.11 75
IV.BULG.HHZ. 2022-04-28T17:04:20.99 0.3 undecidable manual P 294 44.0226 113 0.17 69
IV.CET2.HHZ. 2022-04-28T17:04:20.74 0.3 undecidable manual P 168 44.0226 113 -0.08 71
IV.SCHR.EHZ. 2022-04-28T17:04:19.71 0.3 undecidable manual P 31 36.5412 118 -0.07 71
IV.MTSN.HHZ. 2022-04-28T17:04:19.98 0.3 undecidable manual P 348 39.5271 116 -0.21 69
IV.SIRI.HHZ. 2022-04-28T17:04:18.75 0.1 undecidable manual P 3 29.3484 125 -0.08 97
IV.MMN.HHZ. 2022-04-28T17:04:17.11 0.1 undecidable manual P 104 12.1767 151 0.09 100
IV.GRIS.EHZ. 2022-04-28T17:04:17.58 0.1 undecidable manual P 180 19.6692 137 -0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMN.HHE. ML:2.1 0.0007344999999999999 0.38 AML other m 2022-04-28T17:04:21.01
IV.MMN.HHN. ML:2.4 0.001445 0.46 AML other m 2022-04-28T17:04:21.27
IV.GRIS.EHN. ML:1.9 0.00041400000000000003 1.36 AML other m 2022-04-28T17:04:22.93
IV.GRIS.EHE. ML:1.6 0.0001705 0.88 AML other m 2022-04-28T17:04:22.53
IV.SIRI.HHN. ML:2.0 0.00033650000000000005 0.24 AML other m 2022-04-28T17:04:23.97
IV.SIRI.HNN. ML:1.9 0.0003205 0.24 AML other m 2022-04-28T17:04:23.98
IV.SIRI.HHE. ML:1.9 0.000321 0.28 AML other m 2022-04-28T17:04:24.25
IV.SIRI.HNE. ML:1.9 0.0003235 0.28 AML other m 2022-04-28T17:04:24.26
IV.MTSN.HHE. ML:1.6 0.00010550000000000002 0.32 AML other m 2022-04-28T17:04:26.33
IV.SCHR.EHE. ML:1.2 0.00005685 0.54 AML other m 2022-04-28T17:04:26.71
IV.SCHR.EHN. ML:1.3 0.0000644 1.3 AML other m 2022-04-28T17:04:27.26
IV.MTSN.HHN. ML:1.6 0.000126 0.2 AML other m 2022-04-28T17:04:27.47
IV.MCEL.HHE. ML:1.4 0.00006934999999999999 0.26 AML other m 2022-04-28T17:04:28.80
IV.BULG.HHN. ML:1.3 0.00005490216 0.2432 AML other m 2022-04-28T17:04:29.18
IV.MCEL.HNE. ML:1.9 0.0001986851 0.5376 AML other m 2022-04-28T17:04:29.60
IV.BULG.HHE. ML:1.2 0.000038587910000000004 0.8576 AML other m 2022-04-28T17:04:29.08
IV.MCEL.HHN. ML:1.4 0.000059399999999999994 0.94 AML other m 2022-04-28T17:04:29.46
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