Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 29-10-2021 and time 16:02:30 (Italy) in region 2 km NE Tripi (ME)

A magnitude ML 2.2 earthquake occured in region: 2 km NE Tripi (ME), on

  • 29-10-2021 14:02:30 (UTC)
  • 29-10-2021 16:02:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0690, 15.1110 at 8 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
Tripi ME 2 873 873
Mazzarrà Sant'Andrea ME 3 1531 2404
Furnari ME 4 3784 6188
Basicò ME 4 612 6800
Falcone ME 6 2808 9608
Novara di Sicilia ME 6 1337 10945
Rodì Milici ME 7 2056 13001
Oliveri ME 8 2181 15182
Terme Vigliatore ME 9 7395 22577
Castroreale ME 10 2504 25081
Montalbano Elicona ME 10 2287 27368
Fondachelli-Fantina ME 11 1019 28387
San Piero Patti ME 13 2915 31302
Barcellona Pozzo di Gotto ME 13 41583 72885
Librizzi ME 14 1660 74545
Patti ME 15 13431 87976
Antillo ME 16 919 88895
Montagnareale ME 16 1615 90510
Merì ME 16 2338 92848
Santa Lucia del Mela ME 17 4650 97498
Malvagna ME 17 733 98231
Roccella Valdemone ME 17 666 98897
Raccuja ME 18 1041 99938
San Filippo del Mela ME 18 7115 107053
Francavilla di Sicilia ME 19 3945 110998
Mandanici ME 20 601 111599
Moio Alcantara ME 20 717 112316
Floresta ME 20 485 112801
Motta Camastra ME 20 845 113646

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Messina (238439 inhabitants)
47 Km W of Reggio di Calabria (183035 inhabitants)
51 Km N of Acireale (52622 inhabitants)
63 Km N of Catania (314555 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 2021-10-29
14:02:30		 38.0687 15.1108 8 2022-03-30
13:04:17		 Bollettino Sismico Italiano INGV 97723981
Reviewed
Rev100 		ML 2.2 2021-10-29
14:02:31		 38.0672 15.1122 7 2021-10-29
14:18:57		 Sala Sismica INGV-Roma 97066161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-29 14:02:30 ± 0.1
Latitude 38.0687 ± 0.0063
Longitude 15.1108 ± 0.0080
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97723981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 643
Semi-minor axis of confidence ellipse (meter) 614
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 148
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64481
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 97723981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-23 15:37:56

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 97066161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-29 14:18:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIZZ.HHZ. 2021-10-29T14:03:11.94 3.0 undecidable manual S -0.67 0
IV.GIZZ.HHZ. 2021-10-29T14:02:55.78 3.0 negative manual P 1.44 0
IV.FERC.HHZ.00 2021-10-29T14:02:47.32 3.0 undecidable manual P -1.15 0
IV.PLLN.EHZ. 2021-10-29T14:02:46.50 3.0 positive manual P -0.24 0
MN.CEL.HHZ. 2021-10-29T14:02:43.53 0.3 undecidable manual P 72 71.5728 50 -0.21 68
IV.MTTG.HHZ. 2021-10-29T14:02:40.19 0.3 undecidable manual P 98 52.0035 50 -0.54 66
IV.MPNC.HHZ. 2021-10-29T14:02:39.75 0.1 undecidable manual S 68 22.8549 109 0.51 92
IV.MSFR.HHZ. 2021-10-29T14:02:39.50 0.3 undecidable manual P 265 45.5211 50 -0.23 71
IV.EPZF.HHZ. 2021-10-29T14:02:38.21 0.3 undecidable manual P 219 35.0427 102 0.14 73
IV.ESAL.HHE. 2021-10-29T14:02:38.50 0.3 undecidable manual P 177 34.8429 103 0.47 68
IV.EPDN.HHZ. 2021-10-29T14:02:38.56 0.3 undecidable manual P 194 34.5432 103 0.58 65
IV.IVUG.HHE. 2021-10-29T14:02:38.60 0.3 undecidable manual P 343 37.9287 50 0.04 73
IV.IVPL.HHZ. 2021-10-29T14:02:38.51 0.3 undecidable manual P 342 35.9418 102 0.26 70
IV.MUCR.HHZ. 2021-10-29T14:02:38.44 0.3 undecidable manual S 262 20.868 110 -0.17 73
IV.IVGP.HHE. 2021-10-29T14:02:38.71 0.3 undecidable manual P 340 38.628 50 0.03 73
IV.ECTS.HHZ. 2021-10-29T14:02:38.54 0.3 undecidable manual S 178 20.7681 111 -0.01 76
IV.EMSG.HHZ. 2021-10-29T14:02:37.52 0.3 undecidable manual P 207 30.8469 104 0.26 72
IV.EVRN.HNN. 2021-10-29T14:02:37.52 0.3 undecidable manual P 177 42.1245 50 -1.7 39
IV.EMNR.HHZ. 2021-10-29T14:02:37.42 0.3 undecidable manual P 195 28.9488 105 0.55 67
IV.ECBD.HHN. 2021-10-29T14:02:37.92 0.3 undecidable manual P 184 32.0457 104 0.44 69
IV.EPIT.HHZ. 2021-10-29T14:02:37.24 0.3 undecidable manual P 189 28.9488 105 0.36 70
IV.AIO.HHZ. 2021-10-29T14:02:36.92 0.3 undecidable manual S 135 15.1737 117 0.13 76
IV.MILZ.HHN. 2021-10-29T14:02:36.01 0.6 undecidable manual P 25 24.8529 107 -0.07 50
IV.MUCR.HHZ. 2021-10-29T14:02:35.27 0.1 positive manual P 262 20.868 110 -0.07 100
IV.ECTS.HHZ. 2021-10-29T14:02:35.19 0.1 undecidable manual P 178 20.7681 111 -0.12 100
IV.MPNC.HHZ. 2021-10-29T14:02:35.72 0.3 undecidable manual P 68 22.8549 109 0.01 76
IV.AIO.HHZ. 2021-10-29T14:02:34.08 0.1 positive manual P 135 15.1737 117 -0.22 99
IV.NOV.HHZ. 2021-10-29T14:02:33.33 0.3 undecidable manual S 153 5.0949 147 -0.76 61
IV.NOV.HHZ. 2021-10-29T14:02:32.41 0.1 undecidable manual P 153 5.0949 147 -0.32 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHN. ML:2.3 0.0020457005000000003 0.16 AML other m 2021-10-29T14:02:37.09
IV.ECTS.HHN. ML:2.6 0.0027249999999999996 0.18 AML other m 2021-10-29T14:02:38.75
IV.MUCR.HHE. ML:1.9 0.000641 0.66 AML other m 2021-10-29T14:02:38.48
IV.MUCR.HHN. ML:2.1 0.0009035 0.34 AML other m 2021-10-29T14:02:38.83
IV.ECTS.HHE. ML:2.4 0.0017549999999999998 1.28 AML other m 2021-10-29T14:02:39.69
IV.MPNC.HHN. ML:2.0 0.000763 0.7 AML other m 2021-10-29T14:02:40.48
IV.MPNC.HHE. ML:2.1 0.000922 0.46 AML other m 2021-10-29T14:02:42.42
IV.EMSG.HHN. ML:2.3 0.0009445000000000001 0.28 AML other m 2021-10-29T14:02:44.96
IV.IVPL.HHN. ML:2.4 0.0008975 0.34 AML other m 2021-10-29T14:02:47.84
IV.IVPL.HHE. ML:2.3 0.000838 0.82 AML other m 2021-10-29T14:02:49.11
IV.EMSG.HHE. ML:2.2 0.0008945000000000001 0.5 AML other m 2021-10-29T14:02:50.30
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