Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 21-09-2021 and time 12:07:58 (UTC) in region 3 km NE Vaccarizzo Albanese (CS)

A magnitude ML 1.5 earthquake occured in region: 3 km NE Vaccarizzo Albanese (CS), on

  • 21-09-2021 12:07:58 (UTC)
  • 21-09-2021 14:07:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.6120, 16.4500 at 18 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
Vaccarizzo Albanese CS 3 1125 1125
San Giorgio Albanese CS 3 1432 2557
San Cosmo Albanese CS 4 591 3148
Corigliano Calabro CS 7 40427 43575
San Demetrio Corone CS 9 3559 47134
Terranova da Sibari CS 10 5100 52234
Santa Sofia d'Epiro CS 13 2628 54862
Spezzano Albanese CS 13 7028 61890
San Lorenzo del Vallo CS 15 3394 65284
Acri CS 15 20858 86142
Tarsia CS 15 2054 88196
Rossano CS 16 36842 125038
Bisignano CS 18 10203 135241

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Cosenza (67546 inhabitants)
72 Km N of Lamezia Terme (70714 inhabitants)
79 Km N of Catanzaro (90612 inhabitants)
83 Km NW of Crotone (62178 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 1.5 2021-09-21
12:07:58		 39.6122 16.4497 18 2022-03-30
13:04:25		 Bollettino Sismico Italiano INGV 99283831
Reviewed
Rev100 		ML 1.5 2021-09-21
12:07:58		 39.6027 16.4447 16 2021-09-21
12:20:20		 Sala Sismica INGV-Roma 95697131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-21 12:07:58 ± 0.15
Latitude 39.6122 ± 0.0072
Longitude 16.4497 ± 0.0082
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99283831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 883
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.09893
Epicentral distance of station farthest from the epicenter (degree) 0.64391
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 95697131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-21 12:20:20

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 99283831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-03 13:52:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SELL.HHE. 2021-09-21T12:08:21.16 1.0 undecidable manual S 168 71.4729 97 0.9 18
IV.LADO.EHE. 2021-09-21T12:08:17.00 0.6 undecidable manual S 129 58.1973 99 0.24 45
MN.TIP.HHZ. 2021-09-21T12:08:16.12 0.6 undecidable manual S 151 54.8007 100 0.25 45
IV.CAR1.HHZ. 2021-09-21T12:08:13.71 0.3 undecidable manual S 207 44.7219 102 0.49 66
IV.CET2.HHE. 2021-09-21T12:08:12.80 0.3 undecidable manual S 258 43.3233 103 -0.05 72
IV.SELL.HHE. 2021-09-21T12:08:11.50 0.6 undecidable manual P 168 71.4729 97 0.38 43
IV.SPS2.HHZ. 2021-09-21T12:08:10.86 0.3 undecidable manual S 195 36.8298 106 -0.33 68
IV.SERS.HHZ. 2021-09-21T12:08:10.23 0.6 undecidable manual P 162 67.1772 97 -0.23 44
IV.PIPA.HHZ. 2021-09-21T12:08:10.97 0.3 undecidable manual S 114 34.3434 107 0.43 67
IV.MMN.HHE. 2021-09-21T12:08:08.56 0.3 undecidable manual P 308 49.9167 101 0.73 58
IV.LADO.EHE. 2021-09-21T12:08:08.21 0.6 undecidable manual P 129 58.1973 99 -0.88 36
IV.CELI.HHZ. 2021-09-21T12:08:08.18 0.3 undecidable manual S 168 23.754 118 0.25 71
IV.GRIS.EHZ. 2021-09-21T12:08:08.31 0.6 undecidable manual P 286 52.9026 100 0.03 47
MN.TIP.HHZ. 2021-09-21T12:08:08.26 0.3 undecidable manual P 151 54.8007 100 -0.32 66
IV.ORI.HHE. 2021-09-21T12:08:07.62 0.3 undecidable manual P 0 48.7179 101 -0.03 72
IV.CET2.HHE. 2021-09-21T12:08:06.89 0.3 undecidable manual P 258 43.3233 103 0.05 72
IV.CAR1.HHZ. 2021-09-21T12:08:06.74 0.3 undecidable manual P 207 44.7219 102 -0.31 68
IV.PIPA.HHZ. 2021-09-21T12:08:05.30 0.3 undecidable manual P 114 34.3434 107 -0.2 71
IV.TDS.HHZ. 2021-09-21T12:08:05.18 0.3 undecidable manual S 299 10.9779 143 -0.1 76
IV.SPS2.HHZ. 2021-09-21T12:08:05.52 0.3 undecidable manual P 195 36.8298 106 -0.36 68
IV.CELI.HHZ. 2021-09-21T12:08:03.96 0.1 undecidable manual P 168 23.754 118 -0.03 100
IV.TDS.HHZ. 2021-09-21T12:08:02.31 0.1 undecidable manual P 299 10.9779 143 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TDS.HHE. ML:1.7 0.0004095 0.22 AML other m 2021-09-21T12:08:05.24
IV.TDS.HHN. ML:1.6 0.00029108705 0.1408 AML other m 2021-09-21T12:08:05.27
IV.CELI.HHN. ML:1.8 0.0002945 0.2 AML other m 2021-09-21T12:08:08.24
IV.CELI.HNN. ML:1.7 0.00028542745000000003 0.1984 AML other m 2021-09-21T12:08:08.24
IV.CELI.HNE. ML:1.8 0.00034292184999999996 0.1984 AML other m 2021-09-21T12:08:08.26
IV.CELI.HHE. ML:1.8 0.0003505 0.2 AML other m 2021-09-21T12:08:08.26
IV.SPS2.HHN. ML:1.5 0.000112 0.26 AML other m 2021-09-21T12:08:11.30
IV.SPS2.HHE. ML:1.6 0.00015099999999999998 0.26 AML other m 2021-09-21T12:08:11.50
IV.PIPA.HNE. ML:1.6 0.0001504327 0.1856 AML other m 2021-09-21T12:08:11.88
IV.PIPA.HHE. ML:1.7 0.0001725 1.38 AML other m 2021-09-21T12:08:11.88
IV.PIPA.HHN. ML:1.7 0.000194 0.16 AML other m 2021-09-21T12:08:13.08
IV.PIPA.HNN. ML:1.7 0.00018704825 0.1792 AML other m 2021-09-21T12:08:13.16
IV.CAR1.HNE. ML:1.5 0.00008199456 0.2112 AML other m 2021-09-21T12:08:14.25
IV.CAR1.HHN. ML:1.4 0.000076762375 0.3008 AML other m 2021-09-21T12:08:14.03
IV.CAR1.HHE. ML:1.2 0.00003990000000000001 0.7 AML other m 2021-09-21T12:08:14.45
IV.GRIS.EHE. ML:1.2 0.000032860735000000004 0.4032 AML other m 2021-09-21T12:08:16.74
MN.TIP.HHE. ML:1.0 0.00001863314 0.4416 AML other m 2021-09-21T12:08:17.57
MN.TIP.HHN. ML:0.8 0.000016899999999999997 0.36 AML other m 2021-09-21T12:08:19.55
IV.GRIS.EHN. ML:1.2 0.000036100905000000006 0.4608 AML other m 2021-09-21T12:08:20.36
IV.SERS.HHE. ML:1.1 0.0000219920345 0.4224 AML other m 2021-09-21T12:08:22.43
IV.SERS.HHN. ML:1.2 0.00002665 0.6 AML other m 2021-09-21T12:08:23.32
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