Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 22-08-2021 and time 03:52:32 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 2.2 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 22-08-2021 01:52:32 (UTC)
  • 22-08-2021 03:52:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8680, 16.0050 at 10 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
Briatico VV 16 4053 4053
Zambrone VV 19 1775 5828
Pizzo VV 20 9278 15106

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Lamezia Terme (70714 inhabitants)
51 Km W of Catanzaro (90612 inhabitants)
52 Km SW of Cosenza (67546 inhabitants)
84 Km NE of Messina (238439 inhabitants)
90 Km NE of Reggio di Calabria (183035 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 2.2 2021-08-22
01:52:32		 38.8678 16.0052 10 2021-12-29
11:12:29		 Bollettino Sismico Italiano INGV 95262221
Reviewed
Rev100 		ML 2.2 2021-08-22
01:52:32		 38.8617 16.0088 8 2021-08-22
02:00:36		 Sala Sismica INGV-Roma 94481191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-22 01:52:32 ± 0.17
Latitude 38.8678 ± 0.0045
Longitude 16.0052 ± 0.0081
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95262221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 760
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.76087
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 95262221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-16 15:31:35

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 94481191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-22 02:00:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SCIAC.HHZ. 2021-08-22T01:53:55.51 3.0 undecidable manual Sg 8.2 0
CR.STON.BHZ. 2021-08-22T01:53:34.44 3.0 undecidable manual Pn -1.12 0
AC.VLO.HHZ. 2021-08-22T01:53:20.79 3.0 negative manual Pn -0.05 0
IV.HLNI.HHZ. 2021-08-22T01:53:02.54 0.3 undecidable manual P 211 195.4599 38 -0.82 37
IV.GRIS.EHZ. 2021-08-22T01:53:00.77 0.6 undecidable manual S 352 97.7244 50 -0.28 42
IV.TDS.HHZ. 2021-08-22T01:53:00.14 0.6 undecidable manual S 18 92.4408 50 0.5 40
IV.MPNC.HHZ. 2021-08-22T01:53:00.91 0.6 undecidable manual S 215 98.0241 50 -0.23 42
IV.SOI.EHZ. 2021-08-22T01:52:58.50 0.6 undecidable manual S 177 88.245 50 -0.03 45
IV.EMSG.HHZ. 2021-08-22T01:52:57.46 0.3 undecidable manual P 219 148.0407 50 0.85 46
IV.MSRU.HHZ. 2021-08-22T01:52:56.82 0.6 undecidable manual S 213 79.6647 50 0.59 40
IV.EPIT.HHZ. 2021-08-22T01:52:56.50 0.3 undecidable manual P 215 143.3454 50 0.62 52
IV.MGR.HHZ. 2021-08-22T01:52:55.74 0.3 undecidable manual P 345 146.0427 50 -0.56 52
IV.CELI.HHZ. 2021-08-22T01:52:55.98 0.6 undecidable manual S 36 73.4709 50 1.39 27
IV.SIRI.HHZ. 2021-08-22T01:52:55.34 0.3 undecidable manual P 355 146.2425 50 -1 44
IV.SICLA.EHZ. 2021-08-22T01:52:54.19 0.3 undecidable manual S 200 72.372 50 -0.1 68
IV.CET2.HHZ. 2021-08-22T01:52:53.80 0.6 undecidable manual S 357 73.4709 50 -0.78 37
IV.IFIL.HHZ. 2021-08-22T01:52:52.58 0.6 undecidable manual P 255 128.2716 50 -0.98 30
MN.CUC.HHZ. 2021-08-22T01:52:52.82 0.3 undecidable manual P 353 125.9739 50 -0.39 57
IV.SERS.HHZ. 2021-08-22T01:52:50.74 0.6 undecidable manual S 72 61.8936 50 -0.74 39
IV.PLAC.HHZ. 2021-08-22T01:52:50.91 0.3 undecidable manual S 141 59.6958 50 0.01 71
IV.SPS2.HHZ. 2021-08-22T01:52:50.47 0.6 undecidable manual S 31 55.0005 50 0.8 38
IV.GRIS.EHZ. 2021-08-22T01:52:49.16 0.3 undecidable manual P 352 97.7244 50 0.31 62
IV.SELL.HHZ. 2021-08-22T01:52:49.67 0.6 undecidable manual S 76 55.2003 50 -0.05 47
IV.ILOS.HHZ. 2021-08-22T01:52:49.84 0.6 undecidable manual P 243 102.8193 50 0.2 42
IV.PIPA.HHZ. 2021-08-22T01:52:49.59 1.0 undecidable manual P 45 97.7244 50 0.74 18
IV.SOI.EHZ. 2021-08-22T01:52:48.13 0.6 undecidable manual P 177 88.245 50 0.74 37
IV.TDS.HHZ. 2021-08-22T01:52:48.40 0.3 undecidable manual P 18 92.4408 50 0.37 62
IV.MILZ.HHZ. 2021-08-22T01:52:48.22 0.3 undecidable manual P 226 94.239 50 -0.1 65
IV.MPNC.HHZ. 2021-08-22T01:52:48.71 0.3 undecidable manual P 215 98.0241 50 -0.19 63
IV.FERC.HNN. 2021-08-22T01:52:47.94 0.6 undecidable manual S 167 47.2194 50 0.35 45
IV.CAR1.HHZ. 2021-08-22T01:52:46.83 0.6 undecidable manual S 22 46.3203 50 -0.51 44
MN.TIP.HHZ. 2021-08-22T01:52:45.43 0.3 undecidable manual P 62 73.5708 50 0.3 65
IV.CELI.HHZ. 2021-08-22T01:52:45.24 0.3 undecidable manual P 36 73.4709 50 0.12 67
IV.CET2.HHZ. 2021-08-22T01:52:45.33 0.3 undecidable manual P 357 73.4709 50 0.22 66
IV.SICLA.EHZ. 2021-08-22T01:52:45.57 0.6 undecidable manual P 200 72.372 50 0.62 40
IV.MSRU.HHZ. 2021-08-22T01:52:45.93 0.3 undecidable manual P 213 79.6647 50 -0.14 66
IV.IST3.HHZ. 2021-08-22T01:52:44.96 0.3 undecidable manual P 264 67.377 50 0.78 56
IV.SERS.HHZ. 2021-08-22T01:52:43.49 0.3 undecidable manual P 72 61.8936 50 0.17 68
IV.PLAC.HHZ. 2021-08-22T01:52:43.09 0.1 positive manual P 141 59.6958 50 0.1 93
IV.GRI.EHZ. 2021-08-22T01:52:43.81 0.6 undecidable manual S 98 36.2415 50 -0.83 39
IV.SPS2.HHZ. 2021-08-22T01:52:42.40 0.1 negative manual P 31 55.0005 50 0.12 93
IV.SELL.HHZ. 2021-08-22T01:52:42.48 0.3 undecidable manual P 76 55.2003 50 0.17 69
IV.JOPP.HHZ. 2021-08-22T01:52:41.85 0.6 undecidable manual S 200 30.747 50 -1.33 31
IV.FERC.HNN. 2021-08-22T01:52:41.51 0.6 undecidable manual P 167 47.2194 50 0.43 44
IV.CAR1.HHZ. 2021-08-22T01:52:40.96 0.1 negative manual P 22 46.3203 50 0.03 96
IV.GIZZ.HHZ. 2021-08-22T01:52:39.96 0.6 undecidable manual S 55 21.4674 114 -0.37 47
IV.GRI.EHZ. 2021-08-22T01:52:39.22 0.1 negative manual P 98 36.2415 50 -0.15 96
IV.JOPP.HHZ. 2021-08-22T01:52:37.77 0.1 positive manual P 200 30.747 50 -0.76 81
IV.GIZZ.HHZ. 2021-08-22T01:52:36.82 0.1 negative manual P 55 21.4674 114 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:1.8 0.00032900000000000003 0.14 AML other m 2021-08-22T01:52:42.39
IV.JOPP.HNN. ML:2.2 0.0008160000000000001 0.16 AML other m 2021-08-22T01:52:42.45
IV.JOPP.HHN. ML:2.3 0.000879 0.14 AML other m 2021-08-22T01:52:42.45
IV.JOPP.HNE. ML:2.2 0.0007130000000000001 0.7 AML other m 2021-08-22T01:52:42.66
IV.GRI.EHE. ML:2.7 0.0018549999999999999 0.24 AML other m 2021-08-22T01:52:44.20
IV.GRI.EHN. ML:2.6 0.0014199999999999998 0.98 AML other m 2021-08-22T01:52:44.10
IV.PLAC.HHE. ML:1.8 0.00013000000000000002 0.18 AML other m 2021-08-22T01:52:44.33
IV.CAR1.HNE. ML:2.3 0.000626 0.14 AML other m 2021-08-22T01:52:46.97
IV.CAR1.HHN. ML:2.4 0.0006659999999999999 0.32 AML other m 2021-08-22T01:52:50.81
IV.CAR1.HNN. ML:2.3 0.0006215 0.34 AML other m 2021-08-22T01:52:50.81
IV.CAR1.HHE. ML:2.1 0.0003415 0.44 AML other m 2021-08-22T01:52:51.19
IV.SELL.HNN. ML:2.1 0.00028900000000000003 0.36 AML other m 2021-08-22T01:52:51.56
IV.SELL.HHN. ML:1.6 0.00008505000000000001 0.44 AML other m 2021-08-22T01:52:51.57
IV.PLAC.HNE. ML:1.9 0.00016749999999999998 1.02 AML other m 2021-08-22T01:52:51.35
IV.SERS.HHN. ML:1.8 0.0001235 1.48 AML other m 2021-08-22T01:52:52.19
IV.SPS2.HHN. ML:2.2 0.000381 0.28 AML other m 2021-08-22T01:52:52.54
IV.SPS2.HHE. ML:1.8 0.000158 0.46 AML other m 2021-08-22T01:52:52.79
IV.SERS.HHE. ML:1.7 0.00010489999999999999 1.6 AML other m 2021-08-22T01:52:53.08
IV.PLAC.HNN. ML:1.9 0.00014890000000000001 0.26 AML other m 2021-08-22T01:52:54.44
IV.PLAC.HHN. ML:1.9 0.00015625 0.26 AML other m 2021-08-22T01:52:54.44
IV.SELL.HNE. ML:2.0 0.0002305 1.58 AML other m 2021-08-22T01:52:54.99
IV.SELL.HHE. ML:1.5 0.00007489999999999999 1.56 AML other m 2021-08-22T01:52:54.99
IV.SICLA.EHN. ML:2.2 0.0002245 0.3 AML other m 2021-08-22T01:52:55.07
IV.SICLA.EHE. ML:2.2 0.0002405 0.94 AML other m 2021-08-22T01:52:55.91
IV.CET2.HHN. ML:2.6 0.0005729999999999999 0.28 AML other m 2021-08-22T01:52:55.78
IV.CET2.HHE. ML:2.6 0.0005585 1.32 AML other m 2021-08-22T01:52:56.12
IV.IST3.HNE. ML:2.9 0.001465 0.14 AML other m 2021-08-22T01:52:56.87
IV.IST3.HHE. ML:3.0 0.001715 0.14 AML other m 2021-08-22T01:52:56.87
IV.IST3.HNN. ML:2.9 0.00151 0.86 AML other m 2021-08-22T01:52:57.55
IV.IST3.HHN. ML:3.0 0.00188 1.22 AML other m 2021-08-22T01:52:57.12
IV.CELI.HHE. ML:2.0 0.00014050000000000003 0.74 AML other m 2021-08-22T01:52:57.40
IV.CELI.HHN. ML:2.1 0.0001885 0.26 AML other m 2021-08-22T01:52:57.59
IV.MSRU.HHN. ML:2.2 0.000246 1.4 AML other m 2021-08-22T01:52:58.12
IV.MSRU.HHE. ML:2.3 0.0002915 1.04 AML other m 2021-08-22T01:52:59.78
IV.SOI.EHE. ML:2.1 0.00015849999999999998 0.44 AML other m 2021-08-22T01:53:02.36
IV.SOI.EHN. ML:2.2 0.0001855 0.42 AML other m 2021-08-22T01:53:02.29
IV.MILZ.HHN. ML:2.4 0.0002565 1.72 AML other m 2021-08-22T01:53:03.95
IV.MPNC.HHN. ML:2.4 0.000288 1.4 AML other m 2021-08-22T01:53:03.19
IV.MPNC.HHE. ML:2.4 0.0002705 0.72 AML other m 2021-08-22T01:53:03.63
IV.GRIS.EHN. ML:2.3 0.000208 1.28 AML other m 2021-08-22T01:53:04.81
IV.GRIS.EHE. ML:2.4 0.00023349999999999998 0.64 AML other m 2021-08-22T01:53:04.29
IV.PIPA.HHE. ML:2.0 0.00009475 0.94 AML other m 2021-08-22T01:53:08.68
IV.MILZ.HHE. ML:2.7 0.0005600000000000001 0.42 AML other m 2021-08-22T01:53:08.40
MN.CUC.HHE. ML:2.2 0.0001185 0.38 AML other m 2021-08-22T01:53:10.63
IV.PIPA.HHN. ML:1.8 0.00006745 0.64 AML other m 2021-08-22T01:53:10.52
IV.ILOS.HNE. ML:2.6 0.000425 1.36 AML other m 2021-08-22T01:53:11.06
IV.ILOS.HHE. ML:2.7 0.0004445 0.8 AML other m 2021-08-22T01:53:12.08
MN.CUC.HHN. ML:2.0 0.0000706 1.26 AML other m 2021-08-22T01:53:12.94
IV.ILOS.HNN. ML:2.8 0.0006014999999999999 0.64 AML other m 2021-08-22T01:53:14.90
IV.ILOS.HHN. ML:2.8 0.0005989999999999999 0.64 AML other m 2021-08-22T01:53:14.91
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
Waveforms Seismic signals in miniseed + resp format Download