Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 30-04-2022 and time 16:20:36 (UTC) in region 2 km E Aieta (CS)

A magnitude ML 1.0 earthquake occured in region: 2 km E Aieta (CS), on

  • 30-04-2022 16:20:36 (UTC)
  • 30-04-2022 18:20:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9230, 15.8430 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 2 823 823
Praia a Mare CS 6 6725 7548
Tortora CS 6 6187 13735
Papasidero CS 8 734 14469
San Nicola Arcella CS 9 1957 16426
Laino Castello CS 11 848 17274
Santa Domenica Talao CS 11 1263 18537
Laino Borgo CS 12 1921 20458
Trecchina PZ 13 2316 22774
Mormanno CS 13 3027 25801
Maratea PZ 13 5139 30940
Scalea CS 14 10913 41853
Lauria PZ 14 12919 54772
Castelluccio Inferiore PZ 15 2131 56903
Orsomarso CS 15 1265 58168
Castelluccio Superiore PZ 15 824 58992
Nemoli PZ 17 1495 60487
Rotonda PZ 17 3494 63981
Rivello PZ 19 2767 66748
Santa Maria del Cedro CS 19 4954 71702
Verbicaro CS 20 3056 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 1.0 2022-04-30
16:20:36		 39.9227 15.8433 25 2022-07-08
12:34:03		 Bollettino Sismico Italiano INGV 106328271
Reviewed
Rev100 		ML 1.1 2022-04-30
16:20:36		 39.9175 15.8532 25 2022-04-30
16:34:21		 Sala Sismica INGV-Roma 103999011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-30 16:20:36 ± 0.17
Latitude 39.9227 ± 0.0045
Longitude 15.8433 ± 0.0094
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 106328271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 766
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73744
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 106328271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-21 15:05:25

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 103999011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-30 16:34:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALO.HNZ. 2022-04-30T16:22:26.02 3.0 undecidable manual Pg 19.52 0
GU.TRAV.HHZ. 2022-04-30T16:22:26.09 3.0 negative manual Pn 2.45 0
IV.FRON.EHZ. 2022-04-30T16:22:09.34 3.0 undecidable manual Sn -7.9 0
IV.SACS.HHZ. 2022-04-30T16:22:06.60 3.0 undecidable manual Sn -7.12 0
GU.GSCL.HHZ. 2022-04-30T16:21:56.23 3.0 undecidable manual Pn 3.7 0
IV.CROCE.HNZ. 2022-04-30T16:21:56.19 3.0 undecidable manual Sn -9.53 0
IV.VCEL.EHZ. 2022-04-30T16:21:48.60 3.0 undecidable manual Sg 5.16 0
IV.GIUL.HHZ. 2022-04-30T16:21:29.52 3.0 undecidable manual Sn -4.95 0
CR.STON.BHZ. 2022-04-30T16:21:27.40 3.0 undecidable manual Pg 6.65 0
IV.MML1.EHZ. 2022-04-30T16:21:23.33 3.0 negative manual Pn -1.17 0
IV.CMDO.HHZ. 2022-04-30T16:21:21.51 3.0 positive manual Pg 3.35 0
IV.CELI.HHE. 2022-04-30T16:21:01.50 1.0 undecidable manual S 135 80.9523 101 0.46 21
OT.OT17.EHZ. 2022-04-30T16:20:57.31 3.0 undecidable manual Pg -0.38 0
IV.BULG.HHZ. 2022-04-30T16:20:52.00 0.6 undecidable manual S 294 43.2234 113 0.64 40
IV.CET2.HHZ. 2022-04-30T16:20:52.00 0.6 undecidable manual S 168 44.7219 112 0.26 46
IV.SPS2.HHE. 2022-04-30T16:20:51.01 1.0 undecidable manual P 149 81.8514 101 0.17 22
IV.CELI.HHE. 2022-04-30T16:20:51.11 0.6 undecidable manual P 135 80.9523 101 0.4 42
IV.SCHR.EHZ. 2022-04-30T16:20:50.00 0.6 undecidable manual S 33 36.5412 118 0.25 46
IV.MTSN.HNZ. 2022-04-30T16:20:50.40 0.3 undecidable manual S 348 38.9277 116 0.07 71
IV.SIRI.HHZ. 2022-04-30T16:20:47.90 0.3 undecidable manual S 4 28.8489 125 -0.1 74
IV.GRIS.EHZ. 2022-04-30T16:20:46.00 0.3 undecidable manual S 178 20.2686 136 -0.24 72
IV.BULG.HHZ. 2022-04-30T16:20:45.28 0.6 undecidable manual P 294 43.2234 113 0.16 46
IV.MMN.HHZ. 2022-04-30T16:20:45.10 0.3 undecidable manual S 106 12.9759 149 0.04 76
IV.CET2.HHZ. 2022-04-30T16:20:45.17 0.1 undecidable manual P 168 44.7219 112 -0.17 93
IV.MTSN.HNZ. 2022-04-30T16:20:44.04 0.3 undecidable manual P 348 38.9277 116 -0.49 67
IV.SCHR.EHZ. 2022-04-30T16:20:43.67 0.6 undecidable manual P 33 36.5412 118 -0.52 44
IV.SIRI.HHZ. 2022-04-30T16:20:43.19 0.1 undecidable manual P 4 28.8489 125 0.01 98
IV.GRIS.EHZ. 2022-04-30T16:20:42.02 0.1 undecidable manual P 178 20.2686 136 -0.15 98
IV.MMN.HHZ. 2022-04-30T16:20:41.59 0.1 undecidable manual P 106 12.9759 149 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMN.HHE. ML:0.0 0.0000764201 0.1664 AML other m 2022-04-30T16:20:45.34
IV.MMN.HHN. ML:0.0 0.00018644325 0.128 AML other m 2022-04-30T16:20:45.61
IV.GRIS.EHN. ML:0.0 0.000031501105 0.0768 AML other m 2022-04-30T16:20:46.19
IV.GRIS.EHE. ML:0.0 0.00001675136 0.0768 AML other m 2022-04-30T16:20:46.29
IV.SIRI.HHN. ML:1.0 0.000038599999999999996 0.26 AML other m 2022-04-30T16:20:48.30
IV.SIRI.HHE. ML:1.0 0.00003985 1.12 AML other m 2022-04-30T16:20:48.24
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