Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 27-05-2021 and time 07:45:50 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 2.1 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 27-05-2021 05:45:50 (UTC)
  • 27-05-2021 07:45:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8710, 15.7060 at 32 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
Roghudi RC 8 1104 1104
Melito di Porto Salvo RC 9 11355 12459
Montebello Ionico RC 13 6214 18673
Motta San Giovanni RC 15 6208 24881
San Lorenzo RC 19 2640 27521
Bagaladi RC 20 1039 28560

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km S of Reggio di Calabria (183035 inhabitants)
38 Km SE of Messina (238439 inhabitants)
55 Km NE of Acireale (52622 inhabitants)
68 Km NE of Catania (314555 inhabitants)
97 Km NE of Siracusa (122291 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 2.1 2021-05-27
05:45:50		 37.8713 15.7058 32 2021-12-29
11:12:04		 Bollettino Sismico Italiano INGV 91079651
Reviewed
Rev100 		ML 2.2 2021-05-27
05:45:50		 37.8788 15.6797 33 2021-05-27
05:52:58		 Sala Sismica INGV-Roma 90526031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-27 05:45:50 ± 0.12
Latitude 37.8713 ± 0.0072
Longitude 15.7058 ± 0.0103
Depth (km) 32 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91079651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1005
Semi-minor axis of confidence ellipse (meter) 468
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.66734
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 91079651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-11 08:20:46

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 90526031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-27 05:52:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVZN.HNZ. 2021-05-27T05:46:24.80 0.6 undecidable manual S 229 116.1948 54 0.77 35
IV.HAVL.HHZ. 2021-05-27T05:46:22.86 0.6 undecidable manual S 207 113.4975 54 -0.58 39
IV.SSY.HHZ. 2021-05-27T05:46:19.69 0.6 undecidable manual S 215 96.7254 104 0.02 46
IV.CET2.HHZ. 2021-05-27T05:46:18.14 0.6 undecidable manual P 7 185.0703 54 -0.39 32
IV.HLNI.HHZ. 2021-05-27T05:46:18.35 0.3 undecidable manual S 232 93.4398 104 -0.47 62
IV.HCRL.HHZ. 2021-05-27T05:46:17.30 0.6 undecidable manual S 222 88.1451 105 -0.13 45
IV.JOPP.HHZ. 2021-05-27T05:46:16.47 0.6 undecidable manual S 11 83.0502 106 0.33 44
IV.MUCR.HHZ. 2021-05-27T05:46:15.03 0.6 undecidable manual S 285 75.2691 108 0.89 36
IV.HAGA.HHZ. 2021-05-27T05:46:14.92 0.6 undecidable manual S 217 81.0522 106 -0.71 38
IV.RAFF.HHZ. 2021-05-27T05:46:13.42 0.3 undecidable manual P 239 138.3615 54 0.7 52
IV.MILZ.HHZ. 2021-05-27T05:46:10.18 0.6 undecidable manual S 317 60.6948 112 -0.32 46
IV.HAVL.HHZ. 2021-05-27T05:46:09.11 0.6 undecidable manual P 207 113.4975 54 -0.51 40
IV.NOV.HHZ. 2021-05-27T05:46:09.20 0.6 undecidable manual S 289 52.7028 116 0.65 42
IV.ECTS.HHZ. 2021-05-27T05:46:09.23 0.6 undecidable manual S 272 51.2154 117 1.04 36
IV.HVZN.HNZ. 2021-05-27T05:46:09.74 0.6 undecidable manual P 229 116.1948 54 -0.22 42
IV.GALF.HHZ. 2021-05-27T05:46:08.96 0.3 undecidable manual P 260 101.4207 54 0.84 53
IV.MSFR.HHZ. 2021-05-27T05:46:08.17 0.6 undecidable manual P 281 99.123 103 0.37 42
IV.SSY.HHZ. 2021-05-27T05:46:07.13 0.6 undecidable manual P 215 96.7254 104 -0.31 43
IV.EMCN.HHN. 2021-05-27T05:46:07.22 3.0 undecidable manual P 5.2 0
IV.PLAC.HHZ. 2021-05-27T05:46:07.00 0.3 undecidable manual P 45 90.5427 105 0.49 62
MN.CEL.HHZ. 2021-05-27T05:46:07.16 0.6 undecidable manual S 21 46.2204 119 0.16 49
IV.AIO.HHZ. 2021-05-27T05:46:06.15 0.6 undecidable manual S 285 42.8238 122 -0.08 50
IV.MSRU.HHZ. 2021-05-27T05:46:06.82 0.6 undecidable manual S 338 46.8198 119 -0.34 47
IV.HLNI.HHZ. 2021-05-27T05:46:06.89 0.3 undecidable manual P 232 93.4398 104 -0.06 68
IV.HCRL.HHZ. 2021-05-27T05:46:05.92 0.3 undecidable manual P 222 88.1451 105 -0.23 66
IV.SOI.EHZ. 2021-05-27T05:46:05.72 0.6 undecidable manual S 54 37.8288 125 0.61 44
IV.JOPP.HHZ. 2021-05-27T05:46:05.05 0.3 undecidable manual P 11 83.0502 106 -0.35 66
IV.MPNC.HHZ. 2021-05-27T05:46:05.87 0.6 undecidable manual S 315 43.4232 121 -0.5 46
IV.IVPL.HHZ. 2021-05-27T05:46:05.15 0.6 undecidable manual P 312 84.5487 106 -0.47 43
IV.SICLA.EHZ. 2021-05-27T05:46:05.76 0.6 undecidable manual S 1 42.7239 122 -0.44 46
IV.MUCR.HHZ. 2021-05-27T05:46:04.89 0.6 undecidable manual P 285 75.2691 108 0.65 40
IV.IVUG.HHZ. 2021-05-27T05:46:04.92 0.6 undecidable manual P 313 85.6476 106 -0.86 37
IV.HAGA.HHZ. 2021-05-27T05:46:04.68 0.6 undecidable manual P 217 81.0522 106 -0.43 43
IV.ECZM.HHZ. 2021-05-27T05:46:04.80 3.0 undecidable manual P 0
IV.EPZF.HHZ. 2021-05-27T05:46:04.52 0.6 undecidable manual P 266 74.5698 108 0.37 44
IV.EPIT.HHZ. 2021-05-27T05:46:02.43 0.6 undecidable manual P 264 57.2982 114 0.78 40
IV.ECBD.HHN. 2021-05-27T05:46:02.68 3.0 undecidable manual P 1.28 0
IV.ECTS.HHZ. 2021-05-27T05:46:01.60 0.6 undecidable manual P 272 51.2154 117 0.79 40
IV.NOV.HHZ. 2021-05-27T05:46:01.01 0.3 undecidable manual P 289 52.7028 116 -0.01 75
IV.MILZ.HHZ. 2021-05-27T05:46:01.75 0.6 undecidable manual P 317 60.6948 112 -0.39 45
IV.MTTG.HHZ. 2021-05-27T05:46:00.81 0.3 undecidable manual S 358 14.6742 153 -0.16 77
IV.SOI.EHZ. 2021-05-27T05:45:59.46 0.3 undecidable manual P 54 37.8288 125 0.43 70
MN.CEL.HHZ. 2021-05-27T05:45:59.95 0.3 undecidable manual P 21 46.2204 119 -0.17 73
IV.MPNC.HHZ. 2021-05-27T05:45:59.50 0.3 undecidable manual P 315 43.4232 121 -0.26 72
IV.SICLA.EHZ. 2021-05-27T05:45:59.34 0.3 undecidable manual P 1 42.7239 122 -0.33 71
IV.AIO.HHZ. 2021-05-27T05:45:59.75 0.1 positive manual P 285 42.8238 122 0.07 100
IV.MSRU.HHZ. 2021-05-27T05:45:59.78 0.1 negative manual P 338 46.8198 119 -0.44 92
IV.MTTG.HHZ. 2021-05-27T05:45:56.58 0.3 undecidable manual P 358 14.6742 153 -0.06 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTTG.HHN. ML:2.3 0.0009348675 0.3808 AML other m 2021-05-27T05:46:01.09
IV.MTTG.HHE. ML:2.0 0.00045242715 0.16 AML other m 2021-05-27T05:46:01.46
IV.SICLA.EHE. ML:1.9 0.00019250000000000002 0.4 AML other m 2021-05-27T05:46:05.91
IV.SOI.EHE. ML:2.1 0.0003235 0.42 AML other m 2021-05-27T05:46:06.24
IV.AIO.HHE. ML:2.0 0.0002395 0.3 AML other m 2021-05-27T05:46:06.46
IV.MPNC.HHN. ML:2.3 0.0005186707500000001 0.5184 AML other m 2021-05-27T05:46:07.37
IV.MSRU.HHN. ML:2.0 0.0002117362 0.2176 AML other m 2021-05-27T05:46:07.88
IV.SOI.EHN. ML:1.7 0.0001227813 0.3008 AML other m 2021-05-27T05:46:06.11
IV.MPNC.HHE. ML:2.4 0.0006594999999999999 0.38 AML other m 2021-05-27T05:46:07.71
IV.SICLA.EHN. ML:1.9 0.0002055 0.38 AML other m 2021-05-27T05:46:07.69
MN.CEL.HNE. ML:1.8 0.000157597 0.2592 AML other m 2021-05-27T05:46:08.26
MN.CEL.HHE. ML:1.8 0.0001546516 0.24 AML other m 2021-05-27T05:46:08.25
MN.CEL.HHN. ML:1.7 0.000124 0.32 AML other m 2021-05-27T05:46:08.45
MN.CEL.HNN. ML:1.8 0.00014050000000000003 0.36 AML other m 2021-05-27T05:46:08.47
IV.AIO.HHN. ML:1.9 0.00019600000000000002 0.26 AML other m 2021-05-27T05:46:08.50
IV.HAGA.HHN. ML:1.9 0.00009195109500000001 0.1824 AML other m 2021-05-27T05:46:15.30
IV.JOPP.HHE. ML:1.8 0.00007205 1.42 AML other m 2021-05-27T05:46:17.19
IV.HCRL.HHN. ML:2.5 0.00038 0.12 AML other m 2021-05-27T05:46:18.03
IV.JOPP.HHN. ML:1.8 0.00007835000000000001 0.24 AML other m 2021-05-27T05:46:18.21
IV.HLNI.HHE. ML:2.3 0.0001902499 0.1216 AML other m 2021-05-27T05:46:19.09
IV.HLNI.HHN. ML:2.1 0.00014215051 0.1024 AML other m 2021-05-27T05:46:19.27
IV.HCRL.HHE. ML:2.5 0.000376 0.16 AML other m 2021-05-27T05:46:19.54
IV.HAVL.HHE. ML:2.5 0.00022391345000000003 0.16 AML other m 2021-05-27T05:46:23.44
IV.GALF.HHN. ML:2.5 0.00028100000000000005 0.46 AML other m 2021-05-27T05:46:23.74
IV.GALF.HHE. ML:2.4 0.000221 1.48 AML other m 2021-05-27T05:46:24.80
IV.HAVL.HHN. ML:2.4 0.0002035 0.28 AML other m 2021-05-27T05:46:24.23
IV.IACL.HHN. ML:2.0 0.000055626325 0.3584 AML other m 2021-05-27T05:46:31.23
IV.IACL.HHE. ML:2.0 0.000055812298 0.2784 AML other m 2021-05-27T05:46:32.79
IV.RAFF.HHN. ML:2.2 0.00008115750500000001 0.2208 AML other m 2021-05-27T05:46:32.02
IV.RAFF.HHE. ML:2.2 0.00009205 0.4 AML other m 2021-05-27T05:46:32.82
IV.CET2.HHN. ML:2.2 0.000050600474999999996 0.4416 AML other m 2021-05-27T05:46:39.35
IV.CET2.HHE. ML:2.1 0.00003845 0.56 AML other m 2021-05-27T05:46:40.45
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