Earthquake with magnitude of ML 2.2 on date 18-08-2021 and time 09:34:27 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 18-08-2021 09:34:27 (UTC)
  • 18-08-2021 11:34:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7470, 15.6500 at 97 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km N of Messina (238439 inhabitants)
63 Km W of Lamezia Terme (70714 inhabitants)
71 Km N of Reggio di Calabria (183035 inhabitants)
80 Km SW of Cosenza (67546 inhabitants)
84 Km W 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 2.2 2021-08-18
09:34:27
38.7467 15.6503 97 2021-12-29
11:12:25
Bollettino Sismico Italiano INGV 94958911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-18 09:34:27 ± 0.22
Latitude 38.7467 ± 0.0072
Longitude 15.6503 ± 0.0150
Depth (km) 97 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94958911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1097
Semi-minor axis of confidence ellipse (meter) 925
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 31
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.25276
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 17
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 94958911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-10 13:53:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2021-08-18T09:36:54.54 3.0 negative manual Pg 27.85 0
IV.MF5.EHZ. 2021-08-18T09:36:50.97 3.0 undecidable manual Sg 16.58 0
IV.SENI.EHZ. 2021-08-18T09:36:41.75 3.0 undecidable manual Sn -9.99 0
IV.ATVO.HHZ. 2021-08-18T09:36:40.47 3.0 undecidable manual Sn -9.99 0
IV.CAMP.HHZ. 2021-08-18T09:36:32.77 3.0 undecidable manual Sg 7.92 0
IV.ZONE.HHZ. 2021-08-18T09:36:28.55 3.0 undecidable manual Pn 1.2 0
GU.IMI.HHZ. 2021-08-18T09:36:27.06 3.0 undecidable manual Pn 4.29 0
CR.STON.BHZ. 2021-08-18T09:36:26.58 3.0 undecidable manual Sn -1.42 0
IV.VCEL.EHZ. 2021-08-18T09:36:24.22 3.0 undecidable manual Sg 5.6 0
GU.POPM.HHZ. 2021-08-18T09:36:22.85 3.0 undecidable manual Pg 18.41 0
IV.VOBA.EHZ. 2021-08-18T09:36:19.06 3.0 negative manual Pn -4.92 0
IV.IMOL.HNZ. 2021-08-18T09:36:19.86 3.0 undecidable manual Pg 17.09 0
IV.RIBO.EHZ.01 2021-08-18T09:36:05.90 3.0 positive manual Pg 14.93 0
IV.PESA.HHZ. 2021-08-18T09:35:53.53 3.0 undecidable manual Pn 0.69 0
IV.ERC.EHZ. 2021-08-18T09:35:46.63 3.0 undecidable manual Sg 5.96 0
IV.ARCI.HHZ. 2021-08-18T09:35:41.15 3.0 undecidable manual Pn -6.05 0
IV.RM33.HNZ. 2021-08-18T09:35:30.38 3.0 undecidable manual Pn -3.33 0
IV.AMUR.HHZ. 2021-08-18T09:35:29.35 3.0 undecidable manual Sn -8.44 0
IV.GIUL.HHZ. 2021-08-18T09:35:28.30 3.0 negative manual Pg 5.81 0
IV.VIVA.HHZ. 2021-08-18T09:35:20.58 3.0 negative manual Pn -6.84 0
IV.POFI.HHZ. 2021-08-18T09:35:15.82 3.0 undecidable manual Pn -6.13 0
MN.CUC.HHE. 2021-08-18T09:35:08.04 0.3 undecidable manual S 6 139.0608 119 -0.07 60
IV.VULT.HHZ. 2021-08-18T09:35:08.69 3.0 undecidable manual Pn 2.05 0
IV.VENT.EHZ. 2021-08-18T09:35:06.29 3.0 positive manual Pn -7.04 0
MN.TIP.HHN. 2021-08-18T09:35:02.71 0.6 undecidable manual S 63 106.9152 127 0.4 40
IV.CELI.HHE. 2021-08-18T09:35:02.74 0.6 undecidable manual S 45 103.7184 128 0.98 32
IV.NOV.HHZ. 2021-08-18T09:35:00.56 0.6 undecidable manual S 209 91.3419 132 0.84 35
IV.AIO.HHE. 2021-08-18T09:35:00.58 0.6 undecidable manual S 203 93.3399 131 0.54 39
IV.PZUN.HHZ. 2021-08-18T09:34:59.64 3.0 negative manual Pn -2.9 0
IV.CET2.HHZ. 2021-08-18T09:34:59.21 0.3 undecidable manual S 17 90.6426 132 -0.39 62
IV.PLAC.HHZ. 2021-08-18T09:34:57.36 0.3 undecidable manual S 116 75.8685 138 0.01 68
IV.MPNC.HHZ. 2021-08-18T09:34:56.23 0.6 undecidable manual S 201 71.373 140 -0.49 42
IV.CAR1.HHN. 2021-08-18T09:34:56.83 0.6 undecidable manual S 41 74.1702 139 -0.28 43
IV.SICLA.EHN. 2021-08-18T09:34:55.35 0.6 undecidable manual S 174 54.7008 147 0.77 39
IV.MILZ.HHN. 2021-08-18T09:34:55.43 0.6 undecidable manual S 215 64.0914 143 -0.3 44
IV.MSRU.HHE. 2021-08-18T09:34:54.47 0.6 undecidable manual S 193 54.9006 147 -0.14 46
IV.FERC.HNN. 2021-08-18T09:34:54.46 0.6 undecidable manual S 128 52.7028 148 0.11 47
IV.JOPP.HHZ. 2021-08-18T09:34:51.99 0.6 undecidable manual S 127 25.6521 164 0.02 50
MN.CUC.HHE. 2021-08-18T09:34:51.20 0.3 undecidable manual P 6 139.0608 119 0.29 57
IV.CELI.HHE. 2021-08-18T09:34:48.03 0.3 undecidable manual P 45 103.7184 128 0.79 52
MN.TIP.HHN. 2021-08-18T09:34:47.51 0.1 undecidable manual P 63 106.9152 127 -0.04 85
IV.GRIS.HNE. 2021-08-18T09:34:47.95 0.3 undecidable manual P 9 111.5994 126 -0.07 63
IV.AIO.HHE. 2021-08-18T09:34:46.47 0.1 undecidable manual P 203 93.3399 131 0.22 85
IV.CET2.HHZ. 2021-08-18T09:34:46.05 0.6 undecidable manual P 17 90.6426 132 0.06 44
IV.NOV.HHZ. 2021-08-18T09:34:46.17 0.1 undecidable manual P 209 91.3419 132 0.11 87
IV.MTTG.HHE. 2021-08-18T09:34:45.52 0.6 undecidable manual P 177 82.5507 135 0.25 43
IV.PLAC.HHZ. 2021-08-18T09:34:44.48 0.1 undecidable manual P 116 75.8685 138 -0.21 88
IV.CAR1.HHN. 2021-08-18T09:34:44.43 0.3 undecidable manual P 41 74.1702 139 -0.12 67
IV.MILZ.HHN. 2021-08-18T09:34:43.52 0.3 undecidable manual P 215 64.0914 143 -0.24 67
IV.MPNC.HHZ. 2021-08-18T09:34:43.87 0.3 undecidable manual P 201 71.373 140 -0.46 63
IV.FERC.HNN. 2021-08-18T09:34:42.59 0.1 undecidable manual P 128 52.7028 148 -0.37 88
IV.MSRU.HHE. 2021-08-18T09:34:42.62 0.1 undecidable manual P 193 54.9006 147 -0.49 86
IV.SICLA.EHN. 2021-08-18T09:34:42.75 0.3 undecidable manual P 174 54.7008 147 -0.34 67
IV.IST3.HNZ. 2021-08-18T09:34:42.54 0.6 undecidable manual P 279 36.741 157 0.49 44
IV.JOPP.HHZ. 2021-08-18T09:34:41.61 0.1 undecidable manual P 127 25.6521 164 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:2.1 0.00012618145 0.1216 AML other m 2021-08-18T09:34:52.70
IV.MPNC.HHN. ML:2.2 0.00011488065999999999 0.3776 AML other m 2021-08-18T09:34:57.58
IV.MPNC.HHE. ML:2.2 0.00010324054499999998 0.1792 AML other m 2021-08-18T09:34:57.92
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