Earthquake with magnitude of ML 1.8 on date 23-06-2021 and time 12:22:37 (UTC) in region 6 km E Longobucco (CS)

A magnitude ML 1.8 earthquake occured in region: 6 km E Longobucco (CS), on

  • 23-06-2021 12:22:37 (UTC)
  • 23-06-2021 14:22:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.4260, 16.6740 at 30 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
Longobucco CS 6 3183 3183
Bocchigliero CS 7 1298 4481
Cropalati CS 11 1084 5565
Caloveto CS 12 1263 6828
Paludi CS 12 1062 7890
Campana CS 13 1813 9703
Pietrapaola CS 14 1141 10844
Mandatoriccio CS 15 2872 13716
Savelli KR 16 1271 14987
Rossano CS 17 36842 51829
Crosia CS 18 9762 61591
Scala Coeli CS 19 1014 62605
Calopezzati CS 19 1369 63974
Castelsilano KR 19 1015 64989
San Giovanni in Fiore CS 19 17372 82361

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Cosenza (67546 inhabitants)
55 Km NW of Crotone (62178 inhabitants)
58 Km N of Catanzaro (90612 inhabitants)
59 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 1.8 2021-06-23
12:22:37
39.426 16.6735 31 2021-12-29
11:12:27
Bollettino Sismico Italiano INGV 95189541
Reviewed
Rev100
ML 1.9 2021-06-23
12:22:33
39.202 16.9142 35 2021-06-23
12:45:16
Sala Sismica INGV-Roma 91767921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-23 12:22:37 ± 0.2
Latitude 39.4260 ± 0.0072
Longitude 16.6735 ± 0.0093
Depth (km) 31 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95189541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 959
Semi-minor axis of confidence ellipse (meter) 122
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.97666
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 95189541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-29 22:21:14

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 91767921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-23 12:45:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2021-06-23T12:24:35.46 3.0 undecidable manual Sn -2.85 0
IV.LRP.EHZ. 2021-06-23T12:24:19.60 3.0 undecidable manual Sg 5.54 0
MN.CLTB.HHZ. 2021-06-23T12:24:13.96 3.0 undecidable manual Sg 3.26 0
IV.INTR.HHZ. 2021-06-23T12:24:11.70 3.0 undecidable manual Sn -4.87 0
IV.RIBO.EHZ.01 2021-06-23T12:24:07.64 3.0 undecidable manual Pn 4.7 0
IV.SENA.HHZ. 2021-06-23T12:24:06.64 3.0 undecidable manual Pn 2.61 0
IV.PE3.EHZ. 2021-06-23T12:23:59.34 3.0 positive manual Pn -0.66 0
IV.COR1.EHZ. 2021-06-23T12:23:59.40 3.0 positive manual Pn 3.07 0
IV.PP3.EHZ. 2021-06-23T12:23:59.39 3.0 positive manual Pg 9.29 0
IV.TERO.HHZ. 2021-06-23T12:23:53.59 3.0 undecidable manual Pg 12.06 0
IV.MRB1.HHZ. 2021-06-23T12:23:52.98 3.0 undecidable manual Sg 5.53 0
IV.VBKN.HHZ. 2021-06-23T12:23:52.12 3.0 undecidable manual Sg 2.94 0
IV.LPEL.HHZ. 2021-06-23T12:23:27.64 3.0 undecidable manual Pn -4.03 0
IV.OVO.HHZ. 2021-06-23T12:23:22.48 3.0 undecidable manual Pg 4.59 0
IV.SCTE.HHZ. 2021-06-23T12:23:07.27 3.0 positive manual P 1.44 0
IV.CET2.HHZ. 2021-06-23T12:22:57.25 0.6 undecidable manual S 281 62.5929 111 -0.39 42
IV.SIRI.HHZ. 2021-06-23T12:22:56.77 0.6 undecidable manual P 321 108.4137 54 0.9 33
IV.SCHR.EHZ. 2021-06-23T12:22:55.36 0.3 undecidable manual P 329 99.7224 103 0.72 54
IV.CAR1.HHZ. 2021-06-23T12:22:54.04 0.3 undecidable manual S 244 44.0226 120 0.89 55
IV.SELL.HHZ. 2021-06-23T12:22:54.20 0.6 undecidable manual S 185 49.3173 117 -0.19 46
IV.SERS.HHZ. 2021-06-23T12:22:53.36 0.3 undecidable manual S 178 43.3233 120 0.38 66
IV.TDS.HHZ. 2021-06-23T12:22:51.70 0.6 undecidable manual S 312 38.7279 123 -0.24 46
IV.GRIS.HNE. 2021-06-23T12:22:51.55 0.6 undecidable manual P 297 78.366 106 0.11 44
IV.SPS2.HHZ. 2021-06-23T12:22:50.84 0.6 undecidable manual S 243 32.3454 129 0.27 46
IV.LADO.EHE. 2021-06-23T12:22:50.67 0.6 undecidable manual S 121 30.6471 131 0.47 44
MN.TIP.HHN. 2021-06-23T12:22:49.47 0.6 undecidable manual S 165 28.3494 133 -0.28 47
IV.CET2.HHZ. 2021-06-23T12:22:49.17 0.1 positive manual P 281 62.5929 111 0.04 92
IV.SELL.HHZ. 2021-06-23T12:22:47.26 0.1 positive manual P 185 49.3173 117 0.01 94
IV.CELI.HHE. 2021-06-23T12:22:47.68 0.3 undecidable manual S 260 14.3745 152 0.22 72
IV.PIPA.HHZ. 2021-06-23T12:22:47.89 0.6 undecidable manual S 62 13.875 153 0.49 45
IV.CAR1.HHZ. 2021-06-23T12:22:46.19 0.3 undecidable manual P 244 44.0226 120 -0.35 66
IV.SERS.HHZ. 2021-06-23T12:22:46.33 0.1 positive manual P 178 43.3233 120 -0.11 93
IV.TDS.HHZ. 2021-06-23T12:22:45.25 0.3 undecidable manual P 312 38.7279 123 -0.59 62
MN.TIP.HHN. 2021-06-23T12:22:44.29 0.1 undecidable manual P 165 28.3494 133 -0.29 93
IV.SPS2.HHZ. 2021-06-23T12:22:44.80 0.1 positive manual P 243 32.3454 129 -0.25 92
IV.LADO.EHE. 2021-06-23T12:22:44.61 0.1 undecidable manual P 121 30.6471 131 -0.23 93
IV.PIPA.HHZ. 2021-06-23T12:22:43.18 0.1 negative manual P 62 13.875 153 -0.04 100
IV.CELI.HHE. 2021-06-23T12:22:43.01 0.1 negative manual P 260 14.3745 152 -0.25 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LADO.EHN. ML:2.0 0.0002875 0.48 AML other m 2021-06-23T12:22:46.63
IV.LADO.EHE. ML:1.8 0.000231 1.76 AML other m 2021-06-23T12:22:50.07
IV.SPS2.HHE. ML:1.9 0.00022849999999999997 1.08 AML other m 2021-06-23T12:22:51.14
IV.TDS.HHE. ML:1.7 0.00014250000000000002 1.5 AML other m 2021-06-23T12:22:53.10
IV.SPS2.HHN. ML:1.9 0.00025550000000000003 0.3 AML other m 2021-06-23T12:22:53.62
IV.SERS.HHN. ML:1.7 0.00011999999999999999 0.34 AML other m 2021-06-23T12:22:53.97
IV.TDS.HHN. ML:1.6 0.00011549999999999999 0.48 AML other m 2021-06-23T12:22:54.33
IV.SERS.HHE. ML:1.6 0.0001027 0.44 AML other m 2021-06-23T12:22:54.75
IV.CAR1.HHE. ML:1.9 0.000191 0.32 AML other m 2021-06-23T12:22:56.29
IV.CAR1.HHN. ML:2.1 0.00034199999999999996 0.44 AML other m 2021-06-23T12:22:58.47
IV.CET2.HHN. ML:2.3 0.0003445 1.02 AML other m 2021-06-23T12:22:59.85
IV.SIRI.HHE. ML:1.4 0.000022100000000000002 0.64 AML other m 2021-06-23T12:22:59.49
IV.SELL.HHN. ML:1.4 0.0000539 0.34 AML other m 2021-06-23T12:23:00.41
IV.SELL.HHE. ML:1.6 0.00008845 0.5 AML other m 2021-06-23T12:23:00.95
IV.SELL.HNE. ML:2.2 0.000317 0.52 AML other m 2021-06-23T12:23:00.96
IV.SELL.HNN. ML:1.9 0.000184 0.86 AML other m 2021-06-23T12:23:01.06
IV.SIRI.HHN. ML:1.8 0.00005265 1.46 AML other m 2021-06-23T12:23:04.78
IV.CET2.HHE. ML:2.0 0.00015150000000000002 0.84 AML other m 2021-06-23T12:23:04.99
IV.GRI.EHE. ML:1.9 0.00011705 1.48 AML other m 2021-06-23T12:23:04.85
IV.GRI.EHN. ML:1.8 0.00008985 0.44 AML other m 2021-06-23T12:23:06.51
IV.SCHR.EHE. ML:1.6 0.0000339 0.56 AML other m 2021-06-23T12:23:24.09
IV.SCHR.EHN. ML:1.4 0.000027450000000000003 0.96 AML other m 2021-06-23T12:23:27.17
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