Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 28-08-2021 and time 11:55:53 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 28-08-2021 11:55:53 (UTC)
  • 28-08-2021 13:55:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5220, 15.5560 at 89 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of Messina (238439 inhabitants)
47 Km N of Reggio di Calabria (183035 inhabitants)
83 Km SW 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 2.5 2021-08-28
11:55:53		 38.5222 15.5555 89 2021-12-29
11:12:34		 Bollettino Sismico Italiano INGV 96110641
Reviewed
Rev100 		ML 2.4 2021-08-28
11:55:55		 38.57 15.523 73 2021-08-28
12:09:11		 Sala Sismica INGV-Roma 94747311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-28 11:55:53 ± 0.17
Latitude 38.5222 ± 0.0090
Longitude 15.5555 ± 0.0172
Depth (km) 89 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96110641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1197
Semi-minor axis of confidence ellipse (meter) 1170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 72
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.26080
Epicentral distance of station farthest from the epicenter (degree) 2.73394
Number of stations at which the event was observed 52
Number of stations from which data was used for origin computation 52
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 61
Type of magnitude ML
Reference to an origin 96110641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-04 19:02:28

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 94747311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-28 12:09:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-08-28T11:56:39.52 0.6 undecidable manual S 193 177.489 110 -1.57 19
IV.LADO.EHE. 2021-08-28T11:56:35.29 0.6 undecidable manual S 55 149.1396 115 -0.16 39
IV.SCTE.HHZ. 2021-08-28T11:56:33.80 0.3 undecidable manual P 55 303.4629 101 -2.34 6
IV.HCRL.HHZ. 2021-08-28T11:56:33.49 0.6 undecidable manual S 199 144.8439 115 -1.12 28
IV.MRVN.HHZ. 2021-08-28T11:56:33.39 0.3 undecidable manual P 11 286.9017 102 -0.73 19
IV.HAGA.HHZ. 2021-08-28T11:56:32.27 0.6 undecidable manual S 194 141.6471 116 -1.71 20
IV.GRIS.EHZ. 2021-08-28T11:56:32.96 0.6 undecidable manual S 11 137.5623 117 -0.23 39
IV.AMUR.HHZ. 2021-08-28T11:56:31.96 0.3 undecidable manual P 18 279.3093 102 -1.24 17
MN.TIP.HHN. 2021-08-28T11:56:31.79 0.6 undecidable manual S 55 126.9729 119 0.62 36
IV.NOCI.HHZ. 2021-08-28T11:56:31.63 0.3 undecidable manual P 27 282.5061 102 -1.97 10
IV.CELI.HHE. 2021-08-28T11:56:31.92 0.6 undecidable manual S 40 127.6722 119 0.62 36
GE.MATE.HHZ. 2021-08-28T11:56:29.09 0.3 undecidable manual P 22 255.5553 104 -1.23 21
IV.SERS.HNN. 2021-08-28T11:56:29.34 0.6 undecidable manual S 59 113.3976 122 0.7 36
OT.TAR1.HHZ. 2021-08-28T11:56:29.83 0.3 undecidable manual P 33 267.0327 103 -1.88 12
IV.CET2.HHZ. 2021-08-28T11:56:28.79 0.6 undecidable manual S 17 116.7942 121 -0.49 39
IV.MUCR.HHZ. 2021-08-28T11:56:23.58 1.0 undecidable manual S 228 79.6647 133 0.69 19
IV.CMPR.HNE. 2021-08-28T11:56:23.76 1.0 undecidable manual P 354 200.4438 108 0.05 15
IV.MCEL.HHZ. 2021-08-28T11:56:23.82 0.3 undecidable manual P 6 201.0432 108 0.03 46
IV.MGR.HHZ. 2021-08-28T11:56:21.36 0.3 undecidable manual P 360 179.1873 110 0.15 51
IV.RAFF.HHZ. 2021-08-28T11:56:21.40 0.3 undecidable manual P 216 178.0884 110 0.32 49
IV.AIO.HHZ. 2021-08-28T11:56:21.89 1.0 undecidable manual S 205 67.2771 139 0.87 18
IV.SIRI.HHZ. 2021-08-28T11:56:21.76 0.6 undecidable manual P 8 186.0693 109 -0.25 32
IV.MTTG.HHZ. 2021-08-28T11:56:20.71 0.3 undecidable manual S 168 58.8966 143 0.83 57
IV.SOI.EHZ. 2021-08-28T11:56:20.59 0.6 undecidable manual S 139 66.0894 139 -0.26 45
IV.HVZN.HHZ. 2021-08-28T11:56:19.07 0.3 undecidable manual P 207 166.2114 112 -0.63 48
IV.HAVL.HHZ. 2021-08-28T11:56:19.61 0.3 undecidable manual P 193 177.489 110 -1.4 32
MN.CUC.HHZ. 2021-08-28T11:56:19.28 0.3 undecidable manual P 8 164.8128 112 -0.25 53
IV.FERC.HNN. 2021-08-28T11:56:18.00 0.6 undecidable manual S 99 50.3163 147 -0.81 39
IV.IVUG.HHZ. 2021-08-28T11:56:18.68 0.6 undecidable manual S 254 51.4152 146 -0.26 46
IV.PIPA.HHZ. 2021-08-28T11:56:18.43 0.3 undecidable manual P 45 152.3364 114 0.32 56
IV.LADO.EHE. 2021-08-28T11:56:17.88 0.3 undecidable manual P 55 149.1396 115 0.13 58
IV.MPNC.HHZ. 2021-08-28T11:56:17.30 0.3 undecidable manual S 203 45.2214 150 -0.94 55
IV.SSY.HHZ. 2021-08-28T11:56:17.35 0.3 undecidable manual P 196 157.1205 113 -1.31 37
IV.IVPL.HHZ. 2021-08-28T11:56:17.60 0.3 undecidable manual S 252 52.503 146 -1.47 41
IV.MILZ.HHN. 2021-08-28T11:56:17.43 0.6 undecidable manual S 225 39.627 153 -0.23 47
IV.CAGR.HHZ. 2021-08-28T11:56:17.59 1.0 undecidable manual P 223 135.864 117 1.33 13
IV.HCRL.HHZ. 2021-08-28T11:56:16.29 0.1 undecidable manual P 199 144.8439 115 -0.98 60
IV.GRIS.EHZ. 2021-08-28T11:56:16.46 0.3 undecidable manual P 11 137.5623 117 0.01 61
IV.HLNI.HHZ. 2021-08-28T11:56:16.03 0.1 undecidable manual P 205 143.2455 116 -1.05 58
IV.MSRU.HHZ. 2021-08-28T11:56:16.48 0.6 undecidable manual S 188 28.9488 160 -0.26 48
IV.JOPP.HHZ. 2021-08-28T11:56:16.59 0.6 undecidable manual S 72 30.1476 159 -0.24 48
IV.HAGA.HHZ. 2021-08-28T11:56:15.58 0.3 undecidable manual P 194 141.6471 116 -1.33 38
MN.TIP.HHN. 2021-08-28T11:56:15.42 0.1 undecidable manual P 55 126.9729 119 0.14 82
IV.CELI.HHE. 2021-08-28T11:56:15.63 0.3 undecidable manual P 40 127.6722 119 0.27 60
IV.ECZM.HHN. 2021-08-28T11:56:14.03 0.3 undecidable manual P 213 104.5176 125 1.12 45
IV.SERS.HNN. 2021-08-28T11:56:14.19 0.1 undecidable manual P 59 113.3976 122 0.37 80
IV.CET2.HHZ. 2021-08-28T11:56:14.24 0.3 undecidable manual P 17 116.7942 121 0.05 64
IV.ESML.HNE. 2021-08-28T11:56:14.23 0.6 undecidable manual P 211 116.3946 121 0.09 42
IV.EPZF.HHZ. 2021-08-28T11:56:13.77 0.1 undecidable manual P 218 98.5236 127 1.47 51
IV.EMSG.HHZ. 2021-08-28T11:56:13.26 0.3 undecidable manual P 214 94.0392 128 1.41 40
IV.MSFR.HHZ. 2021-08-28T11:56:12.70 0.6 undecidable manual P 237 99.9222 126 0.26 42
IV.EMNR.HHZ. 2021-08-28T11:56:12.74 0.6 undecidable manual P 211 90.8424 129 1.19 30
IV.ESAL.HHZ. 2021-08-28T11:56:12.47 0.3 undecidable manual P 203 92.6406 128 0.75 55
IV.EPIT.HHZ. 2021-08-28T11:56:12.53 0.3 undecidable manual P 209 90.0432 129 1.06 48
IV.EPOZ.HHZ. 2021-08-28T11:56:12.44 0.6 undecidable manual P 199 99.6225 126 0.03 44
IV.ESPC.HHN. 2021-08-28T11:56:12.60 0.6 undecidable manual P 207 102.9192 125 -0.14 43
IV.CAR1.HHZ. 2021-08-28T11:56:12.15 0.6 undecidable manual P 35 98.9232 126 -0.19 43
IV.EMFO.HHE. 2021-08-28T11:56:12.51 0.6 undecidable manual P 205 96.2259 127 0.44 41
IV.EFIU.HHE. 2021-08-28T11:56:11.67 0.3 undecidable manual P 200 86.6466 131 0.53 61
IV.ECTS.HHZ. 2021-08-28T11:56:11.23 0.3 undecidable manual P 208 80.4639 133 0.66 59
IV.PLAC.HHZ. 2021-08-28T11:56:11.16 0.6 undecidable manual P 96 77.0673 134 0.9 35
IV.MUCR.HHZ. 2021-08-28T11:56:10.60 0.3 undecidable manual P 228 79.6647 133 0.1 68
IV.SOI.EHZ. 2021-08-28T11:56:09.25 0.3 undecidable manual P 139 66.0894 139 -0.07 70
IV.AIO.HHZ. 2021-08-28T11:56:09.82 0.1 undecidable manual P 205 67.2771 139 0.4 87
IV.MTTG.HHZ. 2021-08-28T11:56:09.11 0.1 undecidable manual P 168 58.8966 143 0.35 89
IV.IVUG.HHZ. 2021-08-28T11:56:08.43 0.3 undecidable manual P 254 51.4152 146 0.21 70
IV.IVPL.HHZ. 2021-08-28T11:56:08.46 0.1 undecidable manual P 252 52.503 146 0.16 94
IV.FERC.HNN. 2021-08-28T11:56:08.32 0.6 undecidable manual P 99 50.3163 147 0.18 47
IV.MPNC.HHZ. 2021-08-28T11:56:07.53 0.3 undecidable manual P 203 45.2214 150 -0.28 70
IV.MILZ.HHN. 2021-08-28T11:56:07.37 0.1 undecidable manual P 225 39.627 153 -0.11 97
IV.JOPP.HHZ. 2021-08-28T11:56:06.94 0.1 undecidable manual P 72 30.1476 159 -0.06 100
IV.MSRU.HHZ. 2021-08-28T11:56:06.76 0.1 undecidable manual P 188 28.9488 160 -0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPIT.HHE. ML:2.7 0.000343 0.94 AML other m 2021-08-28T11:56:13.90
IV.EPIT.HHN. ML:2.7 0.0003305 0.54 AML other m 2021-08-28T11:56:13.56
IV.EPZF.HHN. ML:2.5 0.0001972776 0.3584 AML other m 2021-08-28T11:56:14.38
IV.MSFR.HHN. ML:2.2 0.0000994 0.42 AML other m 2021-08-28T11:56:15.44
IV.HLNI.HHN. ML:2.3 0.00008405 1 AML other m 2021-08-28T11:56:16.55
IV.MSRU.HHN. ML:2.8 0.0007886465499999999 0.1792 AML other m 2021-08-28T11:56:16.73
IV.MSRU.HHE. ML:3.0 0.00117 1.62 AML other m 2021-08-28T11:56:16.15
IV.JOPP.HNN. ML:2.6 0.0004278085 0.16 AML other m 2021-08-28T11:56:17.43
IV.JOPP.HHN. ML:2.6 0.0004227048 0.16 AML other m 2021-08-28T11:56:17.52
IV.JOPP.HNE. ML:2.6 0.00046899999999999996 0.14 AML other m 2021-08-28T11:56:17.42
IV.JOPP.HHE. ML:2.2 0.000192 0.1 AML other m 2021-08-28T11:56:17.67
IV.MPNC.HHN. ML:2.6 0.00040033834999999993 0.1984 AML other m 2021-08-28T11:56:18.38
IV.MPNC.HHE. ML:2.7 0.0005237158 0.4992 AML other m 2021-08-28T11:56:19.65
IV.MTTG.HHE. ML:2.2 0.00014359574999999998 0.2432 AML other m 2021-08-28T11:56:20.98
IV.MTTG.HHN. ML:2.2 0.00014025605000000002 0.2432 AML other m 2021-08-28T11:56:21.26
IV.IVPL.HHN. ML:2.8 0.0006590747500000001 0.3008 AML other m 2021-08-28T11:56:21.65
IV.AIO.HHE. ML:2.3 0.000169 1.58 AML other m 2021-08-28T11:56:22.16
IV.AIO.HHN. ML:2.3 0.000167 0.24 AML other m 2021-08-28T11:56:23.66
IV.IVPL.HHE. ML:2.8 0.00056496415 0.48 AML other m 2021-08-28T11:56:24.13
IV.MUCR.HHE. ML:2.5 0.000219 0.34 AML other m 2021-08-28T11:56:25.18
IV.MUCR.HHN. ML:2.6 0.0002945 0.36 AML other m 2021-08-28T11:56:25.32
IV.PLAC.HHE. ML:1.7 0.0000356763 0.48 AML other m 2021-08-28T11:56:25.65
IV.SOI.EHN. ML:2.0 0.00008054999999999999 1.04 AML other m 2021-08-28T11:56:25.95
IV.PLAC.HHN. ML:1.8 0.00005478456500000001 0.2944 AML other m 2021-08-28T11:56:25.86
IV.CAR1.HHE. ML:2.2 0.00011064999999999999 0.46 AML other m 2021-08-28T11:56:26.12
IV.SOI.EHE. ML:2.0 0.00007615 0.46 AML other m 2021-08-28T11:56:26.64
IV.CAR1.HNE. ML:2.5 0.00019943250000000002 0.2048 AML other m 2021-08-28T11:56:26.94
IV.CAR1.HHN. ML:2.5 0.00020250000000000002 0.52 AML other m 2021-08-28T11:56:27.27
IV.CAR1.HNN. ML:2.4 0.00016502295 0.3136 AML other m 2021-08-28T11:56:28.28
IV.CET2.HHE. ML:3.0 0.0005256857 0.2816 AML other m 2021-08-28T11:56:29.85
IV.CET2.HHN. ML:3.0 0.0006027208500000001 0.2624 AML other m 2021-08-28T11:56:30.01
IV.AMUR.HHE. ML:2.6 0.00005537252 0.16 AML other m 2021-08-28T11:56:32.32
IV.AMUR.HHN. ML:2.5 0.000042660415000000003 0.1216 AML other m 2021-08-28T11:56:32.88
IV.HAGA.HHN. ML:2.5 0.0001244653 0.1792 AML other m 2021-08-28T11:56:33.16
IV.HAGA.HHE. ML:2.4 0.00009594287 0.1024 AML other m 2021-08-28T11:56:33.26
IV.ESAL.HHN. ML:2.4 0.00015799555 0.2432 AML other m 2021-08-28T11:56:33.80
IV.HLNI.HHE. ML:2.2 0.000067355905 0.2816 AML other m 2021-08-28T11:56:33.72
IV.EPZF.HHE. ML:2.2 0.00009711996 0.32 AML other m 2021-08-28T11:56:34.11
IV.GRIS.EHN. ML:2.5 0.0001454628 0.2048 AML other m 2021-08-28T11:56:34.53
IV.HCRL.HHN. ML:2.5 0.00012805 1.02 AML other m 2021-08-28T11:56:34.32
IV.GRIS.EHE. ML:2.7 0.00021100000000000003 1.02 AML other m 2021-08-28T11:56:35.05
IV.EMSG.HHN. ML:2.5 0.00023235875 0.4416 AML other m 2021-08-28T11:56:34.99
IV.SSY.HHE. ML:2.7 0.00016902895000000002 0.16 AML other m 2021-08-28T11:56:37.30
IV.HCRL.HHE. ML:2.3 0.00009249167499999999 0.16 AML other m 2021-08-28T11:56:38.22
MN.CUC.HHE. ML:2.3 0.000068957765 0.224 AML other m 2021-08-28T11:56:38.98
IV.ESAL.HHE. ML:2.5 0.0002269716 0.5184 AML other m 2021-08-28T11:56:39.45
IV.EMSG.HHE. ML:2.6 0.00024515345 0.3584 AML other m 2021-08-28T11:56:39.78
IV.HAVL.HHN. ML:2.6 0.00012782104500000003 0.2368 AML other m 2021-08-28T11:56:40.63
IV.SSY.HHN. ML:2.9 0.00030031775 0.1408 AML other m 2021-08-28T11:56:42.12
MN.CUC.HHN. ML:2.3 0.00006355 0.3 AML other m 2021-08-28T11:56:42.78
IV.HAVL.HHE. ML:2.5 0.000091533135 0.1216 AML other m 2021-08-28T11:56:42.89
IV.MGR.HHN. ML:2.0 0.00003207438 0.2368 AML other m 2021-08-28T11:56:44.04
IV.MSFR.HHE. ML:2.1 0.0000735 0.42 AML other m 2021-08-28T11:56:47.05
OT.TAR1.HHE. ML:2.9 0.00010813407499999999 0.1216 AML other m 2021-08-28T11:56:58.71
OT.TAR1.HHN. ML:2.9 0.00010646208 0.16 AML other m 2021-08-28T11:56:58.67
GE.MATE.HHN. ML:2.4 0.000041917015 0.1984 AML other m 2021-08-28T11:57:00.18
IV.NOCI.HHN. ML:2.8 0.00008226331500000001 0.096 AML other m 2021-08-28T11:57:02.60
IV.NOCI.HNN. ML:2.7 0.00006954775 0.0896 AML other m 2021-08-28T11:57:02.60
IV.NOCI.HNE. ML:2.7 0.000057522995 0.1216 AML other m 2021-08-28T11:57:03.33
IV.NOCI.HHE. ML:2.7 0.000063535915 0.0832 AML other m 2021-08-28T11:57:03.95
IV.MRVN.HHN. ML:2.1 0.000014121825000000001 0.3008 AML other m 2021-08-28T11:57:05.54
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