Earthquake with magnitude of ML 2.2 on date 06-08-2021 and time 22:11:20 (Italy) in region Tirreno Meridionale (MARE)

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

  • 06-08-2021 20:11:20 (UTC)
  • 06-08-2021 22:11:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7550, 15.6440 at 158 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
63 Km N of Messina (238439 inhabitants)
64 Km W of Lamezia Terme (70714 inhabitants)
72 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 2021-08-06
20:11:20
38.7547 15.6443 158 2021-12-29
11:12:24
Bollettino Sismico Italiano INGV 94919301
Reviewed
Rev100
ML 2.2 2021-08-06
20:11:20
38.7382 15.6307 161 2021-08-06
20:34:43
Sala Sismica INGV-Roma 93768771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-06 20:11:20 ± 0.18
Latitude 38.7547 ± 0.0108
Longitude 15.6443 ± 0.0242
Depth (km) 158 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94919301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2283
Semi-minor axis of confidence ellipse (meter) 390
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 2280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.43712
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 94919301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-01 14:15:03

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 93768771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-06 20:34:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2021-08-06T20:13:16.01 3.0 positive manual Pg 15.33 0
IV.SRES.HHZ. 2021-08-06T20:13:09.97 3.0 undecidable manual Sn -5.72 0
IV.TREG.EHZ. 2021-08-06T20:13:08.65 3.0 undecidable manual Pn -2.4 0
IV.MBAL.EHZ. 2021-08-06T20:13:05.67 3.0 undecidable manual Pn -8.87 0
IV.SACS.HHZ. 2021-08-06T20:12:51.36 3.0 undecidable manual Pg 14.71 0
IV.MMUR.HNZ. 2021-08-06T20:12:50.71 3.0 undecidable manual Pg 12.87 0
IV.PAOL.HHZ. 2021-08-06T20:12:40.76 3.0 undecidable manual Sg 7.45 0
IT.MTCL.HGZ. 2021-08-06T20:12:32.90 3.0 undecidable manual Pn 0.44 0
IV.NOCI.HHZ. 2021-08-06T20:12:28.66 3.0 undecidable manual Sn -0.48 0
IV.AMUR.HHZ. 2021-08-06T20:12:27.74 3.0 undecidable manual Sn -0.85 0
IV.OFFI.HHZ. 2021-08-06T20:12:24.17 3.0 undecidable manual Pn -4.73 0
IV.LRP.EHZ. 2021-08-06T20:12:19.09 3.0 undecidable manual Pg 4.98 0
IV.CERT.HHZ. 2021-08-06T20:12:10.25 3.0 undecidable manual Pn -9.99 0
IV.RNI2.HHZ. 2021-08-06T20:12:04.52 3.0 positive manual Pn -7.65 0
IV.CET2.HHZ. 2021-08-06T20:12:03.02 0.3 undecidable manual S 17 89.9433 148 -0.14 67
IV.SPS2.HHZ. 2021-08-06T20:12:02.98 0.6 undecidable manual S 45 84.4488 150 0.42 42
IV.MILZ.HHE. 2021-08-06T20:12:00.65 0.3 undecidable manual S 214 64.491 156 0.03 72
IV.CAR1.HHZ. 2021-08-06T20:12:00.97 0.3 undecidable manual S 41 73.8705 153 -0.5 64
IV.IST3.HNZ. 2021-08-06T20:11:59.05 3.0 undecidable manual S 0.09 0
IV.MSRU.HHZ. 2021-08-06T20:11:59.89 0.3 undecidable manual S 192 55.6998 159 -0.01 73
IV.SICLA.EHE. 2021-08-06T20:11:59.94 0.3 undecidable manual S 174 55.5999 159 0.04 73
IV.JOPP.HHZ. 2021-08-06T20:11:58.82 0.6 undecidable manual S 128 26.5512 170 0.59 45
IV.SIRI.HHE. 2021-08-06T20:11:50.98 0.3 undecidable manual P 7 159.5181 132 0.12 57
IV.MGR.HHE. 2021-08-06T20:11:50.72 0.3 undecidable manual P 357 153.6351 133 0.4 55
MN.CUC.HHE. 2021-08-06T20:11:48.58 0.3 undecidable manual P 6 138.2616 136 -0.38 57
IV.GRIS.EHE. 2021-08-06T20:11:46.82 0.3 undecidable manual P 9 110.8002 143 0.08 65
MN.TIP.HHZ. 2021-08-06T20:11:46.62 0.3 undecidable manual P 64 107.0151 144 0.17 64
IV.SERS.HHZ. 2021-08-06T20:11:45.81 0.3 undecidable manual P 71 95.4378 147 0.18 65
IV.CET2.HHZ. 2021-08-06T20:11:45.28 0.1 undecidable manual P 17 89.9433 148 0.01 91
IV.SPS2.HHZ. 2021-08-06T20:11:44.82 0.3 undecidable manual P 45 84.4488 150 -0.09 68
IV.CAR1.HHZ. 2021-08-06T20:11:44.20 0.3 undecidable manual P 41 73.8705 153 -0.09 69
IV.SOI.EHZ. 2021-08-06T20:11:44.72 0.3 undecidable manual P 155 83.5497 150 -0.14 67
IV.SICLA.EHE. 2021-08-06T20:11:43.16 0.3 undecidable manual P 174 55.5999 159 -0.23 70
IV.MILZ.HHE. 2021-08-06T20:11:43.79 0.1 undecidable manual P 214 64.491 156 -0.01 96
IV.MSRU.HHZ. 2021-08-06T20:11:43.18 0.1 undecidable manual P 192 55.6998 159 -0.21 94
IV.IST3.HNZ. 2021-08-06T20:11:42.50 3.0 undecidable manual P -0.25 0
IV.JOPP.HHZ. 2021-08-06T20:11:42.56 0.1 undecidable manual P 128 26.5512 170 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HNE. ML:2.5 0.000094740175 1.024 AML other m 2021-08-06T20:11:58.89
IV.JOPP.HHE. ML:1.6 0.0000191664895 1.0656 AML other m 2021-08-06T20:11:58.89
IV.JOPP.HNE. ML:1.9 0.000039847325 0.448 AML other m 2021-08-06T20:11:59.40
IV.JOPP.HHN. ML:2.1 0.000061346745 0.2048 AML other m 2021-08-06T20:11:59.66
IV.JOPP.HNN. ML:2.1 0.000058324745 0.192 AML other m 2021-08-06T20:11:59.67
IV.MSRU.HHN. ML:2.4 0.00010551539 1.0368 AML other m 2021-08-06T20:12:00.26
IV.MSRU.HHE. ML:2.5 0.00013591310000000002 0.896 AML other m 2021-08-06T20:12:00.52
IV.SOI.EHE. ML:2.2 0.000059586584999999995 1.536 AML other m 2021-08-06T20:12:02.78
IV.CAR1.HNE. ML:2.3 0.000077496155 0.5504 AML other m 2021-08-06T20:12:02.47
IV.CAR1.HHN. ML:2.3 0.00006853664500000001 0.32 AML other m 2021-08-06T20:12:02.98
IV.CAR1.HHE. ML:2.0 0.000041599999999999995 0.22 AML other m 2021-08-06T20:12:03.31
IV.CET2.HHE. ML:2.5 0.0001221492 0.1664 AML other m 2021-08-06T20:12:03.86
IV.CET2.HHN. ML:2.6 0.000158598 0.2432 AML other m 2021-08-06T20:12:03.79
IV.SPS2.HHE. ML:1.8 0.000025050000000000002 0.32 AML other m 2021-08-06T20:12:04.28
IV.SERS.HNN. ML:2.0 0.000036840165000000004 0.9632 AML other m 2021-08-06T20:12:04.47
IV.SPS2.HHN. ML:1.8 0.000026549999999999998 0.9 AML other m 2021-08-06T20:12:04.46
IV.SERS.HHN. ML:1.6 0.00001572952 0.448 AML other m 2021-08-06T20:12:06.34
IV.SOI.EHN. ML:2.1 0.00004279281 1.0272 AML other m 2021-08-06T20:12:07.16
IV.CAR1.HNN. ML:2.4 0.00011230899 1.0912 AML other m 2021-08-06T20:12:08.07
MN.TIP.HHN. ML:1.9 0.000025671590000000003 0.2208 AML other m 2021-08-06T20:12:13.92
MN.TIP.HHE. ML:1.9 0.000023655929999999997 0.8352 AML other m 2021-08-06T20:12:14.88
IV.SERS.HNE. ML:2.2 0.00006210631 0.3616 AML other m 2021-08-06T20:12:17.00
MN.TIP.HNN. ML:2.4 0.00007609713 1.0784 AML other m 2021-08-06T20:12:22.98
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