Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 29-03-2022 and time 08:55:50 (UTC) in region 5 km W Amatrice (RI)

A magnitude ML 1.6 earthquake occured in region: 5 km W Amatrice (RI), on

  • 29-03-2022 08:55:50 (UTC)
  • 29-03-2022 10:55:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6260, 13.2280 at 11 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
Amatrice RI 5 2657 2657
Cittareale RI 6 482 3139
Accumoli RI 8 667 3806
Montereale AQ 11 2581 6387
Capitignano AQ 13 665 7052
Campotosto AQ 14 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Arquata del Tronto AP 17 1178 10083
Cagnano Amiterno AQ 19 1369 11452
Barete AQ 20 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 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 1.6 2022-03-29
08:55:50		 42.6265 13.2278 11 2022-07-08
12:34:01		 Bollettino Sismico Italiano INGV 105551301
Reviewed
Rev100 		ML 1.6 2022-03-29
08:55:51		 42.6377 13.2198 10 2022-03-29
09:02:36		 Sala Sismica INGV-Roma 102525111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-29 08:55:50 ± 0.07
Latitude 42.6265 ± 0.0036
Longitude 13.2278 ± 0.0061
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105551301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
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) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.70867
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 102525111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-29 09:02:36

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 105551301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-10 23:09:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2022-03-29T08:56:08.96 0.6 undecidable manual S 290 57.0984 90 0.37 44
IV.CSP1.EHZ. 2022-03-29T08:56:07.68 0.6 undecidable manual S 358 51.6039 90 0.54 43
IV.MF5.EHZ. 2022-03-29T08:56:06.29 0.6 undecidable manual S 25 44.3223 90 1.11 34
IV.EL6.EHZ. 2022-03-29T08:56:05.76 0.3 undecidable manual P 353 78.6657 90 1.33 43
IV.FIAM.HNN. 2022-03-29T08:56:04.28 0.6 undecidable manual S 193 40.8258 90 0.04 48
IV.MML1.EHZ. 2022-03-29T08:56:02.42 0.3 undecidable manual P 339 57.8976 90 1.18 48
IV.GIGS.HHZ. 2022-03-29T08:56:02.36 0.6 undecidable manual S 124 34.1436 91 -0.1 47
IV.MMO1.EHZ. 2022-03-29T08:56:01.63 0.6 undecidable manual S 15 31.3464 91 -0.08 47
7F.SIB2.EHE. 2022-03-29T08:56:01.07 0.6 undecidable manual S 12 29.9478 91 -0.29 45
IV.MC2.EHZ. 2022-03-29T08:56:01.87 0.3 undecidable manual S 354 31.746 91 0.04 73
IV.TERO.HHZ. 2022-03-29T08:56:01.20 0.6 undecidable manual S 91 30.747 91 -0.35 45
7F.SIB1.EHE. 2022-03-29T08:56:01.31 0.6 undecidable manual S 7 29.9478 91 -0.04 48
IV.MOMA.HHZ. 2022-03-29T08:56:01.04 0.3 undecidable manual P 290 57.0984 90 -0.07 68
7F.SIB3.EHN. 2022-03-29T08:56:00.35 0.6 undecidable manual S 7 27.75 91 -0.42 44
IV.GAVE.EHZ. 2022-03-29T08:56:00.42 0.6 undecidable manual S 285 28.1496 91 -0.45 44
IV.FDMO.HHN. 2022-03-29T08:55:59.62 0.3 undecidable manual P 346 46.9197 90 0.08 71
IV.NRCA.HHZ. 2022-03-29T08:55:59.35 0.6 undecidable manual S 338 24.753 91 -0.61 41
IV.CESI.HHZ. 2022-03-29T08:55:59.85 0.3 undecidable manual P 328 49.5171 90 -0.1 69
IV.MF5.EHZ. 2022-03-29T08:55:59.51 0.1 undecidable manual P 25 44.3223 90 0.37 89
IV.CSP1.EHZ. 2022-03-29T08:55:59.94 0.3 undecidable manual P 358 51.6039 90 -0.33 65
IV.MTRA.EHZ. 2022-03-29T08:55:58.11 0.6 undecidable manual S 44 19.9689 92 -0.57 43
IV.FIAM.HNN. 2022-03-29T08:55:58.82 0.3 undecidable manual P 193 40.8258 90 0.22 69
IV.GIGS.HHZ. 2022-03-29T08:55:57.47 0.3 undecidable manual P 124 34.1436 91 -0.1 71
IV.MC2.EHZ. 2022-03-29T08:55:57.10 0.3 undecidable manual P 354 31.746 91 -0.11 71
IV.LNSS.HHZ. 2022-03-29T08:55:57.27 0.6 undecidable manual S 260 15.5733 95 -0.23 47
IV.GAVE.EHZ. 2022-03-29T08:55:56.52 0.1 positive manual P 285 28.1496 91 -0.14 95
7F.SIB1.EHE. 2022-03-29T08:55:56.84 0.1 positive manual P 7 29.9478 91 -0.09 95
IV.RM33.EHZ. 2022-03-29T08:55:56.85 0.6 undecidable manual S 185 13.0758 105 -0.01 50
IV.MMO1.EHZ. 2022-03-29T08:55:56.76 0.3 undecidable manual P 15 31.3464 91 -0.38 67
7F.SIB2.EHE. 2022-03-29T08:55:56.72 0.1 undecidable manual P 12 29.9478 91 -0.22 93
7F.SIB3.EHN. 2022-03-29T08:55:56.39 0.1 undecidable manual P 7 27.75 91 -0.2 93
IV.TERO.HHZ. 2022-03-29T08:55:56.87 0.3 undecidable manual P 91 30.747 91 -0.18 70
IV.MTRA.EHZ. 2022-03-29T08:55:55.27 0.1 positive manual P 44 19.9689 92 -0.12 96
IV.NRCA.HHZ. 2022-03-29T08:55:55.94 0.3 undecidable manual P 338 24.753 91 -0.19 70
IV.SMA1.EHZ. 2022-03-29T08:55:55.93 0.6 undecidable manual S 87 8.7801 128 0.09 51
IV.RM33.EHZ. 2022-03-29T08:55:54.53 0.1 positive manual P 185 13.0758 105 0.19 98
IV.SMA1.EHZ. 2022-03-29T08:55:54.10 0.1 negative manual P 87 8.7801 128 0.35 96
IV.LNSS.HHZ. 2022-03-29T08:55:54.73 0.1 positive manual P 260 15.5733 95 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.4 0.00337 0.34 AML other m 2022-03-29T08:55:56.30
IV.SMA1.EHN. ML:1.9 0.0009595000000000001 0.86 AML other m 2022-03-29T08:55:56.44
IV.RM33.EHN. ML:1.7 0.000524 0.16 AML other m 2022-03-29T08:55:57.13
IV.RM33.EHE. ML:1.6 0.0004415 0.36 AML other m 2022-03-29T08:55:57.68
IV.LNSS.HHN. ML:1.4 0.000217 0.94 AML other m 2022-03-29T08:55:57.50
IV.MTRA.EHN. ML:1.9 0.00064 0.14 AML other m 2022-03-29T08:55:58.34
IV.MTRA.HNN. ML:2.0 0.0006905 0.16 AML other m 2022-03-29T08:55:58.33
IV.LNSS.HHE. ML:1.5 0.0002675 0.34 AML other m 2022-03-29T08:55:58.61
IV.MTRA.EHE. ML:1.9 0.000578 0.72 AML other m 2022-03-29T08:55:58.55
IV.MTRA.HNE. ML:1.9 0.000579 1.02 AML other m 2022-03-29T08:55:58.36
IV.NRCA.HHE. ML:1.6 0.000221 1.04 AML other m 2022-03-29T08:55:59.32
IV.NRCA.HHN. ML:1.4 0.00014150000000000002 0.44 AML other m 2022-03-29T08:56:00.00
IV.GAVE.EHE. ML:1.6 0.00022700000000000002 1.34 AML other m 2022-03-29T08:56:00.00
IV.GAVE.EHN. ML:1.6 0.00019700000000000002 1.56 AML other m 2022-03-29T08:56:01.85
IV.MMO1.EHE. ML:1.3 0.0001005 1.48 AML other m 2022-03-29T08:56:01.85
IV.MMO1.EHN. ML:1.4 0.000104 0.24 AML other m 2022-03-29T08:56:01.90
IV.TERO.HHN. ML:1.4 0.0001295 0.14 AML other m 2022-03-29T08:56:02.26
IV.TERO.HHE. ML:1.4 0.00010545 0.16 AML other m 2022-03-29T08:56:02.24
IV.GIGS.HHE. ML:0.6 0.00001705 0.46 AML other m 2022-03-29T08:56:02.55
IV.GIGS.HHN. ML:0.6 0.00001599 0.42 AML other m 2022-03-29T08:56:02.59
IV.MOMA.HHE. ML:1.6 0.00009415 0.18 AML other m 2022-03-29T08:56:10.63
IV.MOMA.HHN. ML:1.4 0.0000625 0.22 AML other m 2022-03-29T08:56:12.17
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