Earthquake with magnitude of ML 1.4 on date 28-04-2023 and time 09:56:23 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 1.4 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 28-04-2023 07:56:23 (UTC)
  • 28-04-2023 09:56:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.3790, 15.9910 at 50 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Paola CS 5 16013 16013
Fuscaldo CS 6 8140 24153
San Lucido CS 9 6047 30200
Guardia Piemontese CS 10 1911 32111
San Benedetto Ullano CS 13 1555 33666
Acquappesa CS 13 1907 35573
San Fili CS 14 2719 38292
San Vincenzo La Costa CS 14 2195 40487
Falconara Albanese CS 14 1427 41914
Rota Greca CS 15 1156 43070
Montalto Uffugo CS 15 19669 62739
Lattarico CS 16 4013 66752
Cetraro CS 16 10128 76880
San Martino di Finita CS 16 1100 77980
Fiumefreddo Bruzio CS 17 2994 80974
Rende CS 17 35338 116312
Marano Marchesato CS 17 3553 119865
Cerzeto CS 18 1373 121238
Marano Principato CS 18 3180 124418
Castrolibero CS 19 9894 134312
Torano Castello CS 19 4614 138926
Mongrassano CS 20 1607 140533
Cerisano CS 20 3196 143729

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Cosenza (67546 inhabitants)
53 Km NW of Lamezia Terme (70714 inhabitants)
74 Km NW of Catanzaro (90612 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 1.4 2023-04-28
07:56:23
39.3792 15.9912 50 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117380181
Reviewed
Rev100
ML 1.5 2023-04-28
07:56:22
39.3427 15.9623 58 2023-04-28
08:17:44
Sala Sismica INGV-Roma 116828661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 07:56:23 ± 0.17
Latitude 39.3792 ± 0.0099
Longitude 15.9912 ± 0.0128
Depth (km) 50 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117380181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1197
Semi-minor axis of confidence ellipse (meter) 586
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.25545
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 116828661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 08:17:44

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 117380181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-29 11:59:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LMD.HHZ. 2023-04-28T07:57:58.69 3.0 negative manual Pg 17.809999 0
IV.GUAR.HHZ. 2023-04-28T07:57:56.20 3.0 undecidable manual Sg 11.83 0
IV.VCEL.EHZ. 2023-04-28T07:57:51.70 3.0 undecidable manual Sn -1.88 0
IV.MGAB.HHZ. 2023-04-28T07:57:36.51 3.0 positive manual Pg 11.34 0
IV.DGI.HHZ. 2023-04-28T07:57:36.72 3.0 undecidable manual Pg 11.62 0
IV.MMO1.EHZ. 2023-04-28T07:57:12.17 3.0 undecidable manual Pn -7.08 0
IV.PANTE.HHZ. 2023-04-28T07:57:00.75 3.0 positive manual Pn -6.84 0
MN.CUC.HHE. 2023-04-28T07:56:46.10 0.3 undecidable manual S 348 69.7746 110 -0.22 69
IV.IVUG.HHZ. 2023-04-28T07:56:45.49 0.6 undecidable manual P 219 139.3605 97 0.33 39
XE.MORMA.HHE. 2023-04-28T07:56:43.30 0.6 undecidable manual S 358 54.501 119 -0.02 49
IV.CELI.HHZ. 2023-04-28T07:56:41.90 0.3 undecidable manual S 86 44.4222 127 0.39 70
IV.GRIS.EHZ. 2023-04-28T07:56:41.20 0.6 undecidable manual S 344 41.8248 129 0.14 49
7C.SPAOL.HNZ. 2023-04-28T07:56:40.17 3.0 positive manual Pg 0.22 0
XE.T0702.HHN. 2023-04-28T07:56:40.50 0.6 undecidable manual S 12 38.7279 132 -0.05 50
IV.SPS2.HHZ. 2023-04-28T07:56:39.40 0.3 undecidable manual S 108 31.3464 139 -0.05 77
IV.CAR1.HHZ. 2023-04-28T07:56:38.20 0.6 undecidable manual S 126 23.4543 148 -0.24 50
IV.CET2.HHZ. 2023-04-28T07:56:38.00 0.3 undecidable manual S 349 16.872 157 0.22 76
IV.SIRI.HHZ. 2023-04-28T07:56:38.11 0.3 undecidable manual P 353 89.6436 104 -0.95 52
XE.BIDON.HHZ. 2023-04-28T07:56:37.26 0.1 undecidable manual P 32 74.37 109 0.03 95
MN.CUC.HHE. 2023-04-28T07:56:36.81 0.1 undecidable manual P 348 69.7746 110 0.11 95
XE.T0701.HNN. 2023-04-28T07:56:36.56 0.1 undecidable manual P 9 68.1762 111 0.05 96
XE.TNOVA.HNE. 2023-04-28T07:56:36.84 0.1 undecidable manual P 19 69.9744 110 0.12 94
IV.SALB.HHZ. 2023-04-28T07:56:36.13 0.1 undecidable manual P 29 62.9925 114 0.22 94
XE.MORMA.HHE. 2023-04-28T07:56:35.30 0.1 undecidable manual P 358 54.501 119 0.34 93
IV.TDS.HHZ. 2023-04-28T07:56:34.08 0.1 undecidable manual P 43 43.0236 128 0.31 95
IV.CELI.HHZ. 2023-04-28T07:56:33.59 0.1 undecidable manual P 86 44.4222 127 -0.33 95
IV.GRIS.EHZ. 2023-04-28T07:56:33.50 0.1 undecidable manual P 344 41.8248 129 -0.15 99
XE.T0702.HHN. 2023-04-28T07:56:33.04 0.1 undecidable manual P 12 38.7279 132 -0.33 96
IV.SPS2.HHZ. 2023-04-28T07:56:32.44 0.1 undecidable manual P 108 31.3464 139 -0.29 98
IV.CET2.HHZ. 2023-04-28T07:56:32.05 0.1 positive manual P 349 16.872 157 0.28 100
IV.CAR1.HHZ. 2023-04-28T07:56:31.89 0.6 negative manual P 126 23.4543 148 -0.26 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHE. ML:1.9 0.0001975 1.12 AML other m 2023-04-28T07:56:38.27
IV.CET2.HHN. ML:2.1 0.000336 1.1 AML other m 2023-04-28T07:56:38.97
IV.CAR1.HHE. ML:1.9 0.0001885 1.18 AML other m 2023-04-28T07:56:39.03
IV.CAR1.HHN. ML:1.6 0.0000937 0.38 AML other m 2023-04-28T07:56:39.37
IV.SPS2.HHN. ML:1.3 0.000039399999999999995 0.24 AML other m 2023-04-28T07:56:39.59
IV.SPS2.HHE. ML:1.1 0.0000293 0.9 AML other m 2023-04-28T07:56:40.00
IV.GRIS.EHN. ML:1.3 0.000040400000000000006 0.34 AML other m 2023-04-28T07:56:42.08
IV.CELI.HHN. ML:1.2 0.0000308 0.6 AML other m 2023-04-28T07:56:43.47
IV.CELI.HHE. ML:1.0 0.000019 1.06 AML other m 2023-04-28T07:56:44.74
IV.SALB.HHN. ML:1.2 0.0000247 0.42 AML other m 2023-04-28T07:56:49.74
IV.SALB.HHE. ML:1.4 0.000036049999999999995 0.26 AML other m 2023-04-28T07:56:50.33
IV.GRIS.EHE. ML:1.5 0.00006610000000000001 0.42 AML other m 2023-04-28T07:56:55.80
IV.SIRI.HHE. ML:1.3 0.00002135 0.5 AML other m 2023-04-28T07:56:58.82
IV.SIRI.HHN. ML:1.2 0.00001584 0.66 AML other m 2023-04-28T07:56:59.42
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