Earthquake with magnitude of ML 2.2 on date 28-10-2021 and time 10:22:27 (UTC) in region Tirreno Meridionale (MARE)

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

  • 28-10-2021 10:22:27 (UTC)
  • 28-10-2021 12:22:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.5170, 14.6310 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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 2021-10-28
10:22:27
39.5168 14.6312 10 2022-03-30
13:04:14
Bollettino Sismico Italiano INGV 97156021
Reviewed
Rev100
ML 2.3 2021-10-28
10:22:26
39.5183 14.4183 34 2021-10-28
10:35:54
Sala Sismica INGV-Roma 97038891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-28 10:22:27 ± 0.25
Latitude 39.5168 ± 0.0081
Longitude 14.6312 ± 0.0221
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97156021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1930
Semi-minor axis of confidence ellipse (meter) 850
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 1930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 215
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.61428
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 97156021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-13 15:10:52

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 97038891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-28 10:35:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2021-10-28T10:24:13.77 3.0 undecidable manual Sn -3.85 0
IV.TREG.EHZ. 2021-10-28T10:24:12.23 3.0 negative manual Pg 14.24 0
RF.GEPF.HHZ. 2021-10-28T10:23:59.31 3.0 undecidable manual Pn -4.33 0
CR.STON.BHZ. 2021-10-28T10:23:42.14 3.0 negative manual Pg 13.64 0
IV.BRSN.HNZ. 2021-10-28T10:23:34.05 3.0 positive manual Pn -4.93 0
IV.PP3.EHZ. 2021-10-28T10:23:29.27 3.0 undecidable manual Pg 5.64 0
IV.RIBO.EHZ.01 2021-10-28T10:23:27.74 3.0 negative manual Pn 0.94 0
IV.PE3.EHZ. 2021-10-28T10:23:24.97 3.0 undecidable manual Pn -5.09 0
OT.CGL1.HHZ. 2021-10-28T10:23:12.32 3.0 undecidable manual Pg 5.4 0
IV.JOPP.HNE. 2021-10-28T10:23:07.90 0.6 undecidable manual S 133 147.8409 50 -1.54 26
IV.SGO.HHE. 2021-10-28T10:23:04.78 0.6 undecidable manual S 26 129.2706 50 0.32 46
OT.OT17.EHZ. 2021-10-28T10:23:04.65 3.0 negative manual Pn 2.15 0
IX.SRN3.HHZ.02 2021-10-28T10:23:03.70 1.0 undecidable manual S 33 128.4714 50 -0.55 22
IV.CDRU.HHZ. 2021-10-28T10:23:02.26 0.6 undecidable manual S 28 122.1888 50 -0.31 47
IT.PLTA.HNZ. 2021-10-28T10:23:01.24 3.0 undecidable manual Pn -2.26 0
IV.GRIS.EHZ. 2021-10-28T10:22:58.96 0.6 undecidable manual S 76 107.3148 50 0.35 48
IV.CMPR.HHZ. 2021-10-28T10:22:58.21 0.6 undecidable manual S 33 105.7164 50 0.04 51
IV.MGR.HHZ. 2021-10-28T10:22:57.30 0.3 undecidable manual S 48 104.5176 50 -0.56 68
IV.AIO.HHZ. 2021-10-28T10:22:56.26 0.6 undecidable manual P 163 179.1873 38 -0.1 40
IV.PLAC.HHZ. 2021-10-28T10:22:55.42 3.0 undecidable manual P -1.43 0
IV.MPNC.HHN. 2021-10-28T10:22:54.01 0.3 undecidable manual P 157 164.3133 50 -0.14 64
IV.SCIAC.HHZ. 2021-10-28T10:22:53.13 3.0 positive manual Pg 0.73 0
IV.BULG.HHZ. 2021-10-28T10:22:53.10 1.0 undecidable manual S 45 89.0442 50 -0.63 23
IV.CELI.HHZ. 2021-10-28T10:22:53.27 3.0 undecidable manual P 0.31 0
IV.MCRV.HHN. 2021-10-28T10:22:51.80 0.6 undecidable manual P 18 147.6411 50 0.22 45
IV.JOPP.HNE. 2021-10-28T10:22:51.67 0.3 undecidable manual P 133 147.8409 50 0.06 70
IV.CAR1.HHN. 2021-10-28T10:22:50.28 0.3 undecidable manual P 102 138.5613 50 0.1 71
IV.MCEL.HHN. 2021-10-28T10:22:50.20 0.6 undecidable manual P 48 133.9659 50 0.72 40
IV.SIRI.HNE. 2021-10-28T10:22:49.41 0.3 undecidable manual P 55 128.5713 50 0.77 60
IV.SLCN.HNZ. 2021-10-28T10:22:49.06 0.6 undecidable manual P 41 128.9709 50 0.35 46
IV.SGO.HHE. 2021-10-28T10:22:48.39 0.3 undecidable manual P 26 129.2706 50 -0.35 69
IX.SRN3.HHZ.02 2021-10-28T10:22:48.87 0.3 undecidable manual P 33 128.4714 50 0.25 70
IV.MTSN.HNN. 2021-10-28T10:22:48.72 0.6 undecidable manual P 49 126.4734 50 0.4 46
IV.CDRU.HHZ. 2021-10-28T10:22:46.97 0.3 undecidable manual P 28 122.1888 50 -0.68 63
IV.CET2.HHE. 2021-10-28T10:22:46.74 0.3 undecidable manual P 89 113.2977 50 0.46 69
IV.GRIS.EHZ. 2021-10-28T10:22:45.51 0.1 undecidable manual P 76 107.3148 50 0.15 100
IV.CMPR.HHZ. 2021-10-28T10:22:44.75 0.3 undecidable manual P 33 105.7164 50 -0.36 72
IV.MGR.HHZ. 2021-10-28T10:22:44.77 0.3 undecidable manual P 48 104.5176 50 -0.16 75
IV.BULG.HHZ. 2021-10-28T10:22:42.66 0.3 undecidable manual P 45 89.0442 50 0.11 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BULG.HNE. ML:2.2 0.00018732265 0.3392 AML other m 2021-10-28T10:22:56.85
IV.BULG.HHE. ML:2.2 0.000185 0.34 AML other m 2021-10-28T10:22:56.85
IV.CMPR.HNE. ML:2.2 0.00016160479999999998 0.3328 AML other m 2021-10-28T10:23:00.01
IV.CMPR.HHE. ML:2.3 0.00016549999999999998 1.74 AML other m 2021-10-28T10:23:00.01
IV.MGR.HHN. ML:2.1 0.00012535125 0.2432 AML other m 2021-10-28T10:22:59.92
IV.BULG.HHN. ML:2.3 0.00022799999999999999 1.58 AML other m 2021-10-28T10:23:00.84
IV.BULG.HNN. ML:2.3 0.00023308625 1.5648 AML other m 2021-10-28T10:23:00.06
IV.CMPR.HHN. ML:2.0 0.00009045 0.44 AML other m 2021-10-28T10:23:03.36
IV.CMPR.HNN. ML:2.0 0.000096105495 0.4416 AML other m 2021-10-28T10:23:03.36
IV.GRIS.EHE. ML:2.2 0.00013659999999999999 0.4 AML other m 2021-10-28T10:23:03.60
IV.CDRU.HHN. ML:2.0 0.00006595 0.28 AML other m 2021-10-28T10:23:04.16
IV.MGR.HHE. ML:2.0 0.000094 0.24 AML other m 2021-10-28T10:23:04.31
IV.CDRU.HNE. ML:2.4 0.00016198725 0.2304 AML other m 2021-10-28T10:23:04.74
IV.CDRU.HHE. ML:1.8 0.000045937495000000005 0.416 AML other m 2021-10-28T10:23:05.55
IV.CDRU.HNN. ML:2.4 0.00016737513500000002 0.8704 AML other m 2021-10-28T10:23:05.63
IV.GRIS.EHN. ML:1.9 0.0000650655 0.4608 AML other m 2021-10-28T10:23:06.83
IX.SRN3.HHE.02 ML:2.5 0.00023199999999999997 0.48 AML other m 2021-10-28T10:23:07.36
IX.SRN3.HHN.02 ML:2.6 0.0002685 1.54 AML other m 2021-10-28T10:23:08.06
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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