Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 23-06-2021 and time 12:06:22 (UTC) 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 12:06:22 (UTC)
  • 23-06-2021 14:06:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.4620, 16.6720 at 38 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 6 3183 3183
Cropalati CS 8 1084 4267
Paludi CS 8 1062 5329
Bocchigliero CS 9 1298 6627
Caloveto CS 9 1263 7890
Pietrapaola CS 13 1141 9031
Rossano CS 13 36842 45873
Mandatoriccio CS 14 2872 48745
Campana CS 14 1813 50558
Crosia CS 15 9762 60320
Calopezzati CS 16 1369 61689
Scala Coeli CS 19 1014 62703
Savelli KR 19 1271 63974
Corigliano Calabro CS 20 40427 104401

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Cosenza (67546 inhabitants)
58 Km NW of Crotone (62178 inhabitants)
62 Km NE of Lamezia Terme (70714 inhabitants)
62 Km N 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 2021-06-23
12:06:22		 39.4617 16.6722 38 2021-12-29
11:12:41		 Bollettino Sismico Italiano INGV 97075071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-23 12:06:22 ± 0.28
Latitude 39.4617 ± 0.0090
Longitude 16.6722 ± 0.0128
Depth (km) 38 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97075071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1259
Semi-minor axis of confidence ellipse (meter) 64
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 1260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 0.42538
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 97075071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-29 23:58:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SERS.HHZ. 2021-06-23T12:06:39.42 0.6 undecidable manual S 178 47.2194 93 -0.12 47
IV.CAR1.HHN. 2021-06-23T12:06:39.93 0.6 undecidable manual S 240 45.7209 96 0.7 40
MN.TIP.HHZ. 2021-06-23T12:06:36.72 0.6 undecidable manual S 167 32.1456 122 0.22 48
IV.CELI.HHZ. 2021-06-23T12:06:33.52 0.6 undecidable manual S 245 15.4734 150 -0.49 47
IV.PIPA.HHZ. 2021-06-23T12:06:33.84 0.6 undecidable manual S 78 12.5763 155 0.11 50
IV.SERS.HHZ. 2021-06-23T12:06:32.15 0.1 undecidable manual P 178 47.2194 93 -0.03 95
IV.CAR1.HHN. 2021-06-23T12:06:32.20 0.3 undecidable manual P 240 45.7209 96 0.2 70
MN.TIP.HHZ. 2021-06-23T12:06:30.22 0.1 undecidable manual P 167 32.1456 122 -0.21 95
IV.LADO.EHZ. 2021-06-23T12:06:30.54 0.1 positive manual P 127 32.9448 121 0.04 99
IV.TDS.HHZ. 2021-06-23T12:06:30.76 0.3 undecidable manual P 308 36.1416 116 -0.09 73
IV.CELI.HHZ. 2021-06-23T12:06:28.87 0.1 negative manual P 245 15.4734 150 -0.12 100
IV.PIPA.HHZ. 2021-06-23T12:06:28.97 0.1 undecidable manual P 78 12.5763 155 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CELI.HHN. ML:1.2 0.00005725 1.56 AML other m 2021-06-23T12:06:34.86
IV.CELI.HHE. ML:1.2 0.0000533 0.72 AML other m 2021-06-23T12:06:34.13
IV.PIPA.HHE. ML:1.9 0.0002825 0.22 AML other m 2021-06-23T12:06:34.80
IV.PIPA.HNE. ML:2.0 0.0003185 1.3 AML other m 2021-06-23T12:06:34.15
IV.PIPA.HHN. ML:1.7 0.0001905 0.22 AML other m 2021-06-23T12:06:34.80
IV.PIPA.HNN. ML:1.7 0.000191 0.52 AML other m 2021-06-23T12:06:34.91
MN.TIP.HHE. ML:0.8 0.0000156 0.64 AML other m 2021-06-23T12:06:39.34
MN.TIP.HHN. ML:0.8 0.000013350000000000001 0.42 AML other m 2021-06-23T12:06:40.44
IV.LADO.EHE. ML:1.4 0.0000634 1.1 AML other m 2021-06-23T12:06:42.41
IV.LADO.EHN. ML:1.4 0.0000619 0.34 AML other m 2021-06-23T12:06:42.97
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