Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 30-07-2021 and time 16:48:29 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 1.1 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 30-07-2021 14:48:29 (UTC)
  • 30-07-2021 16:48:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.2840, 15.9970 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
San Lucido CS 6 6047 6047
Fiumefreddo Bruzio CS 8 2994 9041
Falconara Albanese CS 8 1427 10468
Paola CS 9 16013 26481
Longobardi CS 11 2312 28793
San Fili CS 14 2719 31512
Fuscaldo CS 15 8140 39652
Belmonte Calabro CS 15 2003 41655
Marano Principato CS 16 3180 44835
Cerisano CS 16 3196 48031
Marano Marchesato CS 16 3553 51584
San Vincenzo La Costa CS 16 2195 53779
Rende CS 17 35338 89117
Mendicino CS 17 9450 98567
Castrolibero CS 17 9894 108461
Amantea CS 18 13975 122436
Lago CS 19 2624 125060
San Pietro in Amantea CS 19 505 125565
San Benedetto Ullano CS 19 1555 127120
Montalto Uffugo CS 20 19669 146789
Carolei CS 20 3330 150119
Domanico CS 20 943 151062

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Cosenza (67546 inhabitants)
44 Km NW of Lamezia Terme (70714 inhabitants)
67 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 1.1 2021-07-30
14:48:29		 39.2842 15.9967 24 2021-12-29
11:12:53		 Bollettino Sismico Italiano INGV 98184151
Reviewed
Rev100 		ML 1.0 2021-07-30
14:48:30		 39.2777 15.9963 24 2021-07-30
14:58:08		 Sala Sismica INGV-Roma 93405721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-30 14:48:29 ± 0.19
Latitude 39.2842 ± 0.0081
Longitude 15.9967 ± 0.0105
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98184151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 975
Semi-minor axis of confidence ellipse (meter) 357
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72305
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 98184151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-05 17:10:03

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 93405721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-30 14:58:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZCCA.HHZ. 2021-07-30T14:50:19.47 3.0 undecidable manual Pg 27.75 0
IV.MNTT.EHZ. 2021-07-30T14:50:16.90 3.0 undecidable manual Sn 2.54 0
SI.LUSI.HHZ. 2021-07-30T14:50:14.25 3.0 undecidable manual Pn 3.01 0
CR.STON.BHZ. 2021-07-30T14:50:12.10 3.0 undecidable manual Sn -2.86 0
IV.MF5.EHZ. 2021-07-30T14:50:11.04 3.0 undecidable manual Sn -2.36 0
GU.RORO.HHZ. 2021-07-30T14:50:10.23 3.0 undecidable manual Pn 2.26 0
IV.NDIM.HNZ. 2021-07-30T14:50:02.64 3.0 positive manual Pn 4.21 0
IT.FIE.HGZ. 2021-07-30T14:50:00.15 3.0 undecidable manual Pg 16.42 0
GU.CARD.HHZ. 2021-07-30T14:49:55.71 3.0 positive manual Pn 4.91 0
OT.OT11.EHZ. 2021-07-30T14:49:47.45 3.0 undecidable manual Sg 15.45 0
IV.SAP2.EHZ. 2021-07-30T14:49:38.31 3.0 positive manual Pg 12.66 0
IV.SENA.HHZ. 2021-07-30T14:49:34.65 3.0 undecidable manual Pn 4.77 0
IV.MNTT.EHZ. 2021-07-30T14:49:29.69 3.0 negative manual Pn 5.11 0
IV.IFOR.HHZ. 2021-07-30T14:49:19.41 3.0 undecidable manual Sn -0.3 0
AC.VLO.HHZ. 2021-07-30T14:49:17.26 3.0 undecidable manual Pn 2.87 0
IV.ALJA.HHZ. 2021-07-30T14:49:10.18 3.0 undecidable manual Sg 2.59 0
OT.OT11.EHZ. 2021-07-30T14:49:00.27 3.0 positive manual Pn -0.51 0
IV.HPAC.HHZ. 2021-07-30T14:49:00.55 3.0 undecidable manual Pg 6.21 0
IV.JOPP.HHZ. 2021-07-30T14:48:52.52 0.6 undecidable manual S 187 75.7686 102 -0.42 44
MN.CLTB.HHZ. 2021-07-30T14:48:52.08 3.0 positive manual Pn -0.93 0
IV.CELI.HHZ. 2021-07-30T14:48:45.32 0.6 undecidable manual S 73 45.8208 111 0.05 49
IV.JOPP.HHZ. 2021-07-30T14:48:43.38 0.6 undecidable manual P 187 75.7686 102 0.17 45
MN.CUC.HHE. 2021-07-30T14:48:43.63 0.6 undecidable manual P 349 80.2641 101 -0.25 44
IV.SERS.HNZ. 2021-07-30T14:48:41.83 0.6 undecidable manual P 115 65.5899 104 0.15 46
IV.SPS2.HHZ. 2021-07-30T14:48:41.20 0.6 undecidable manual S 88 29.3484 123 -0.14 50
IV.CET2.HHZ. 2021-07-30T14:48:40.72 0.6 undecidable manual S 352 27.3504 126 -0.18 49
IV.GRIS.EHZ. 2021-07-30T14:48:39.59 1.0 undecidable manual P 346 52.1034 108 -0.09 24
IV.CAR1.HHZ. 2021-07-30T14:48:38.86 0.6 undecidable manual S 100 18.7701 138 -0.32 49
IV.CELI.HHZ. 2021-07-30T14:48:38.38 0.3 undecidable manual P 73 45.8208 111 -0.4 68
IV.CET2.HHZ. 2021-07-30T14:48:36.59 0.1 negative manual P 352 27.3504 126 0.34 96
IV.SPS2.HHZ. 2021-07-30T14:48:36.59 0.1 undecidable manual P 88 29.3484 123 0.08 100
IV.CAR1.HHZ. 2021-07-30T14:48:35.75 0.3 undecidable manual P 100 18.7701 138 0.49 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHN. ML:1.0 0.00005695 0.72 AML other m 2021-07-30T14:48:39.58
IV.CAR1.HNN. ML:1.0 0.000048697865 0.16 AML other m 2021-07-30T14:48:39.66
IV.CAR1.HHE. ML:0.8 0.0000365 0.96 AML other m 2021-07-30T14:48:40.06
IV.CET2.HHE. ML:1.4 0.00010102810000000002 0.0768 AML other m 2021-07-30T14:48:41.14
IV.CET2.HHN. ML:1.6 0.00015 0.1 AML other m 2021-07-30T14:48:41.14
IV.SPS2.HHN. ML:1.1 0.00004595 0.18 AML other m 2021-07-30T14:48:41.45
IV.SPS2.HHE. ML:1.0 0.0000408 0.16 AML other m 2021-07-30T14:48:41.39
IV.CELI.HHE. ML:0.6 0.0000076037505 0.3008 AML other m 2021-07-30T14:48:45.32
IV.CAR1.HNE. ML:1.0 0.000045653505 0.4224 AML other m 2021-07-30T14:48:45.72
IV.GRIS.EHN. ML:1.1 0.000027617795 0.1792 AML other m 2021-07-30T14:48:47.72
IV.GRIS.EHE. ML:1.0 0.000022817705 0.0768 AML other m 2021-07-30T14:48:47.75
IV.CELI.HNN. ML:1.2 0.000037767655 0.864 AML other m 2021-07-30T14:48:56.68
IV.CELI.HNE. ML:1.2 0.000037654535000000006 0.9408 AML other m 2021-07-30T14:48:57.75
IV.CELI.HHN. ML:0.3 0.0000054303405 0.1216 AML other m 2021-07-30T14:49:02.37
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