Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 23-06-2021 and time 14:28:02 (Italy) in region 5 km E Longobucco (CS)

A magnitude ML 1.4 earthquake occured in region: 5 km E Longobucco (CS), on

  • 23-06-2021 12:28:02 (UTC)
  • 23-06-2021 14:28:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.4420, 16.6700 at 34 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
Longobucco CS 5 3183 3183
Bocchigliero CS 8 1298 4481
Cropalati CS 10 1084 5565
Paludi CS 10 1062 6627
Caloveto CS 11 1263 7890
Pietrapaola CS 14 1141 9031
Campana CS 14 1813 10844
Mandatoriccio CS 15 2872 13716
Rossano CS 15 36842 50558
Crosia CS 17 9762 60320
Savelli KR 17 1271 61591
Calopezzati CS 17 1369 62960
Scala Coeli CS 19 1014 63974

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Cosenza (67546 inhabitants)
56 Km NW of Crotone (62178 inhabitants)
60 Km N of Catanzaro (90612 inhabitants)
60 Km NE of Lamezia Terme (70714 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 2021-06-23
12:28:02		 39.4422 16.6705 35 2021-12-29
11:12:28		 Bollettino Sismico Italiano INGV 95189821
Reviewed
Rev100 		ML 1.5 2021-06-23
12:28:02		 39.4408 16.674 34 2021-06-23
12:34:05		 Sala Sismica INGV-Roma 91767531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-23 12:28:02 ± 0.2
Latitude 39.4422 ± 0.0072
Longitude 16.6705 ± 0.0070
Depth (km) 35 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95189821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 658
Semi-minor axis of confidence ellipse (meter) 496
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.55848
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 91767531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-23 12:34:05

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 95189821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-08 09:10:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2021-06-23T12:28:22.81 0.6 undecidable manual S 279 61.9935 115 -0.31 45
IV.SELL.HHZ. 2021-06-23T12:28:20.87 0.6 undecidable manual S 184 51.1155 120 0.36 46
IV.CAR1.HHZ. 2021-06-23T12:28:19.43 0.6 undecidable manual S 242 44.622 123 0.39 46
IV.SERS.HHZ. 2021-06-23T12:28:19.16 0.3 undecidable manual S 178 45.1215 123 0.01 74
IV.TDS.HHZ. 2021-06-23T12:28:17.72 0.6 undecidable manual S 310 37.3293 129 0.25 49
IV.LADO.EHZ. 2021-06-23T12:28:16.75 0.3 undecidable manual S 123 31.746 134 0.4 70
IV.SPS2.HHZ. 2021-06-23T12:28:16.81 0.6 undecidable manual S 240 33.0447 133 0.21 49
MN.TIP.HHZ. 2021-06-23T12:28:15.82 0.6 undecidable manual S 165 30.1476 135 -0.22 49
IV.CET2.HHZ. 2021-06-23T12:28:14.98 0.3 undecidable manual P 279 61.9935 115 0.48 66
IV.PIPA.HHZ. 2021-06-23T12:28:13.76 0.6 undecidable manual S 69 13.2756 157 0.25 50
IV.SELL.HHZ. 2021-06-23T12:28:13.04 0.3 undecidable manual P 184 51.1155 120 0.05 73
IV.CELI.HHZ. 2021-06-23T12:28:13.37 0.3 undecidable manual S 252 14.5743 155 -0.27 74
IV.SERS.HHZ. 2021-06-23T12:28:12.07 0.1 positive manual P 178 45.1215 123 -0.13 98
IV.CAR1.HHZ. 2021-06-23T12:28:12.35 0.3 undecidable manual P 242 44.622 123 0.21 72
IV.TDS.HHZ. 2021-06-23T12:28:11.19 0.6 undecidable manual P 310 37.3293 129 -0.05 50
MN.TIP.HHZ. 2021-06-23T12:28:10.13 0.1 positive manual P 165 30.1476 135 -0.28 97
IV.LADO.EHZ. 2021-06-23T12:28:10.45 0.1 positive manual P 123 31.746 134 -0.14 100
IV.SPS2.HHZ. 2021-06-23T12:28:10.53 0.3 undecidable manual P 240 33.0447 133 -0.2 73
IV.CELI.HHZ. 2021-06-23T12:28:08.78 0.1 negative manual P 252 14.5743 155 -0.25 100
IV.PIPA.HHZ. 2021-06-23T12:28:08.90 0.3 undecidable manual P 69 13.2756 157 -0.05 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CELI.HHN. ML:1.5 0.0001245 0.22 AML other m 2021-06-23T12:28:13.56
IV.CELI.HHE. ML:1.5 0.00011599999999999999 0.68 AML other m 2021-06-23T12:28:14.41
IV.SPS2.HHN. ML:1.5 0.00009015000000000001 0.78 AML other m 2021-06-23T12:28:17.06
IV.SPS2.HHE. ML:1.4 0.0000785 0.92 AML other m 2021-06-23T12:28:17.91
MN.TIP.HHE. ML:1.0 0.000030399999999999997 0.64 AML other m 2021-06-23T12:28:19.60
IV.SERS.HHN. ML:1.3 0.0000444 0.34 AML other m 2021-06-23T12:28:19.57
MN.TIP.HHN. ML:1.0 0.0000308 0.46 AML other m 2021-06-23T12:28:20.39
IV.CAR1.HHE. ML:1.4 0.0000591 1.7 AML other m 2021-06-23T12:28:22.05
IV.CAR1.HHN. ML:1.6 0.00009934999999999999 0.42 AML other m 2021-06-23T12:28:24.23
IV.CET2.HHN. ML:1.9 0.000118 0.74 AML other m 2021-06-23T12:28:24.62
IV.SERS.HHE. ML:1.2 0.000039800000000000005 0.42 AML other m 2021-06-23T12:28:26.79
IV.CET2.HHE. ML:1.5 0.000048799999999999994 1.22 AML other m 2021-06-23T12:28:27.72
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