Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 22-04-2019 and time 16:51:11 (UTC) in region 3 km NE Amatrice (RI)

A magnitude ML 2.2 earthquake occured in region: 3 km NE Amatrice (RI), on

  • 22-04-2019 16:51:11 (UTC)
  • 22-04-2019 18:51:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6450, 13.3210 at 7 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 3 2657 2657
Accumoli RI 8 667 3324
Campotosto AQ 11 542 3866
Cittareale RI 14 482 4348
Capitignano AQ 14 665 5013
Arquata del Tronto AP 14 1178 6191
Montereale AQ 15 2581 8772
Cortino TE 16 656 9428
Acquasanta Terme AP 16 2916 12344
Crognaleto TE 17 1297 13641
Rocca Santa Maria TE 18 537 14178
Valle Castellana TE 18 977 15155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Teramo (54892 inhabitants)
33 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
77 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
92 Km SE of Perugia (166134 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 2019-04-22
16:51:11		 42.6452 13.3212 7 2019-08-22
08:25:00		 Bollettino Sismico Italiano INGV 68995871
Reviewed
Rev100 		ML 2.2 2019-04-22
16:51:11		 42.646 13.325 7 2019-04-22
17:02:58		 Sala Sismica INGV-Roma 67865301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-22 16:51:11 ± 0.05
Latitude 42.6452 ± 0.0027
Longitude 13.3212 ± 0.0049
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68995871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 359
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76622
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 68995871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-29 15:44:32

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 67865301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-22 17:02:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FROS.CHZ. 2019-04-22T16:52:06.47 3.0 undecidable manual Sn 1.99 0
IV.MIDA.HHZ. 2019-04-22T16:51:50.35 3.0 undecidable manual S -2.85 0
IV.EL6.EHZ. 2019-04-22T16:51:37.80 3.0 undecidable manual S 347 77.9664 50 1.81 0
IV.T0110.HHZ. 2019-04-22T16:51:31.00 0.3 undecidable manual S 141 59.2962 50 -0.01 69
IV.SAP2.EHZ. 2019-04-22T16:51:30.16 3.0 undecidable manual S 0.94 0
IV.PF6.EHN. 2019-04-22T16:51:30.10 0.3 undecidable manual S 349 55.5999 50 0.07 68
IV.CESI.HHZ. 2019-04-22T16:51:29.10 0.3 undecidable manual S 320 52.3032 50 -0.06 69
IV.VCEL.EHZ. 2019-04-22T16:51:29.10 0.1 undecidable manual S 123 50.7159 50 0.37 86
IV.FAGN.HHZ. 2019-04-22T16:51:28.40 0.6 undecidable manual S 153 47.2194 50 0.6 41
IV.OFFI.HHE. 2019-04-22T16:51:28.60 3.0 undecidable manual S 43 43.7229 50 1.74 0
IV.FDMO.HHZ. 2019-04-22T16:51:27.70 0.3 undecidable manual S 336 47.4192 50 -0.14 68
IV.MTCE.HHZ. 2019-04-22T16:51:27.52 1.0 undecidable manual P 215 83.7495 50 0.85 17
IV.GUMA.HHZ. 2019-04-22T16:51:27.90 0.3 undecidable manual S 1 46.3203 50 0.34 66
IV.INTR.HHE. 2019-04-22T16:51:26.26 0.6 undecidable manual P 146 85.0482 50 -0.6 38
IV.MF5.EHZ. 2019-04-22T16:51:26.20 0.3 undecidable manual S 16 39.627 100 0.43 65
IV.EL6.EHZ. 2019-04-22T16:51:25.81 0.6 undecidable manual P 347 77.9664 50 0.04 44
IV.SNTG.HHE. 2019-04-22T16:51:24.71 0.3 undecidable manual P 336 74.37 50 -0.51 60
IV.PTQR.HHZ. 2019-04-22T16:51:23.85 1.0 undecidable manual P 175 69.4749 50 -0.6 19
IV.MOMA.HHZ. 2019-04-22T16:51:23.34 0.1 undecidable manual P 286 63.6918 50 -0.23 87
IV.MC2.EHZ. 2019-04-22T16:51:23.40 0.6 undecidable manual S 340 31.4463 102 0.43 44
IV.T0110.HHZ. 2019-04-22T16:51:22.66 0.1 positive manual P 141 59.2962 50 -0.23 87
IV.MML1.HNE. 2019-04-22T16:51:22.54 0.3 undecidable manual P 331 59.1963 50 -0.34 64
IV.VCEL.EHZ. 2019-04-22T16:51:21.70 0.1 undecidable manual P 123 50.7159 50 0.12 91
IV.MMO1.EHZ. 2019-04-22T16:51:21.80 0.3 undecidable manual S 1 28.2495 104 -0.08 72
IV.CESI.HHZ. 2019-04-22T16:51:21.46 0.1 negative manual P 320 52.3032 50 -0.36 86
IV.PF6.EHN. 2019-04-22T16:51:21.77 0.3 undecidable manual P 349 55.5999 50 -0.56 61
IV.GIGS.HHZ. 2019-04-22T16:51:21.40 1.0 undecidable manual S 136 29.6481 103 -0.95 18
IV.FEMA.HNE. 2019-04-22T16:51:21.02 1.0 undecidable manual P 328 41.5251 50 0.87 18
IV.OFFI.HHE. 2019-04-22T16:51:21.17 0.3 undecidable manual P 43 43.7229 50 0.67 59
IV.FAGN.HHZ. 2019-04-22T16:51:21.28 0.1 undecidable manual P 153 47.2194 50 0.24 89
IV.NRCA.HHZ. 2019-04-22T16:51:21.40 0.3 undecidable manual S 321 26.8509 104 -0.02 73
IV.FDMO.HHZ. 2019-04-22T16:51:20.62 0.1 undecidable manual P 336 47.4192 50 -0.44 85
IV.LNSS.HHZ. 2019-04-22T16:51:20.60 0.3 undecidable manual S 259 23.3544 106 0.34 68
IV.ARRO.EHZ. 2019-04-22T16:51:20.48 0.3 undecidable manual P 261 45.9207 50 -0.35 65
IV.GUMA.HHZ. 2019-04-22T16:51:20.89 0.1 undecidable manual P 1 46.3203 50 0 94
IV.TERO.HHZ. 2019-04-22T16:51:20.00 0.1 undecidable manual S 96 23.2545 107 -0.2 94
IV.MF5.EHZ. 2019-04-22T16:51:20.00 0.3 undecidable manual P 16 39.627 100 0.14 69
IV.FIAM.HNN. 2019-04-22T16:51:20.19 0.6 undecidable manual P 202 45.0216 50 -0.5 42
IV.RM33.EHZ. 2019-04-22T16:51:18.70 0.3 undecidable manual S 210 17.4714 112 0.39 68
IV.GAVE.EHN. 2019-04-22T16:51:18.73 0.6 undecidable manual P 279 35.2425 101 -0.26 45
IV.MC2.EHZ. 2019-04-22T16:51:18.20 0.1 negative manual P 340 31.4463 102 -0.05 95
MN.AQU.HNN. 2019-04-22T16:51:18.39 0.3 undecidable manual P 168 33.0447 102 -0.17 70
IV.NRCA.HHZ. 2019-04-22T16:51:17.35 0.1 undecidable manual P 321 26.8509 104 0 97
IV.MTRA.EHZ. 2019-04-22T16:51:17.30 0.3 undecidable manual S 26 13.7751 117 0.14 72
IV.MMO1.EHZ. 2019-04-22T16:51:17.69 0.1 undecidable manual P 1 28.2495 104 0.07 96
IV.CAMP.HHZ. 2019-04-22T16:51:17.10 0.3 undecidable manual S 149 14.0748 116 -0.14 72
IV.GIGS.HHZ. 2019-04-22T16:51:17.50 0.1 undecidable manual P 136 29.6481 103 -0.39 89
IV.TERO.HHZ. 2019-04-22T16:51:16.72 0.1 undecidable manual P 96 23.2545 107 0.07 96
IV.LNSS.HHZ. 2019-04-22T16:51:16.97 0.1 positive manual P 259 23.3544 106 0.28 92
IV.CAMP.HHZ. 2019-04-22T16:51:15.12 0.1 undecidable manual P 149 14.0748 116 0.18 96
IV.RM33.EHZ. 2019-04-22T16:51:15.97 0.1 positive manual P 210 17.4714 112 0.41 91
IV.MTRA.EHZ. 2019-04-22T16:51:15.14 0.1 positive manual P 26 13.7751 117 0.24 95
IV.T1299.HNN. 2019-04-22T16:51:14.30 0.3 undecidable manual S 249 3.3966 154 -0.17 73
IV.SMA1.EHZ. 2019-04-22T16:51:13.90 0.3 undecidable manual S 144 1.998 164 -0.4 70
IV.T1299.HNN. 2019-04-22T16:51:13.56 0.1 undecidable manual P 249 3.3966 154 0.22 97
IV.SMA1.EHZ. 2019-04-22T16:51:13.31 0.1 positive manual P 144 1.998 164 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:2.6 0.005385 0.94 AML other m 2019-04-22T16:51:17.45
IV.MTRA.EHE. ML:2.7 0.00579 0.58 AML other m 2019-04-22T16:51:17.49
IV.CAMP.HHN. ML:2.0 0.00109 1.4 AML other m 2019-04-22T16:51:17.01
IV.RM33.EHN. ML:2.3 0.001765 0.28 AML other m 2019-04-22T16:51:19.16
IV.RM33.HNN. ML:2.3 0.00183 0.3 AML other m 2019-04-22T16:51:19.16
IV.CAMP.HHE. ML:1.8 0.0006655 0.44 AML other m 2019-04-22T16:51:20.20
IV.TERO.HNN. ML:2.2 0.0010815000000000002 0.58 AML other m 2019-04-22T16:51:20.63
IV.TERO.HHN. ML:2.4 0.0019100000000000002 0.54 AML other m 2019-04-22T16:51:20.35
IV.TERO.HHE. ML:2.6 0.0025150000000000003 0.28 AML other m 2019-04-22T16:51:20.30
IV.TERO.HNE. ML:2.2 0.0009664999999999999 0.58 AML other m 2019-04-22T16:51:20.59
IV.LNSS.HHN. ML:2.2 0.0010585 0.68 AML other m 2019-04-22T16:51:21.40
IV.GIGS.HHE. ML:1.4 0.000129 1.58 AML other m 2019-04-22T16:51:22.98
IV.RM33.HNE. ML:2.3 0.00188 0.48 AML other m 2019-04-22T16:51:22.59
IV.RM33.EHE. ML:2.3 0.001845 0.48 AML other m 2019-04-22T16:51:22.35
IV.NRCA.HHN. ML:2.1 0.000718 0.92 AML other m 2019-04-22T16:51:22.24
IV.NRCA.HHE. ML:2.2 0.0008155 0.14 AML other m 2019-04-22T16:51:22.92
IV.GIGS.HHN. ML:1.5 0.00017549999999999998 0.56 AML other m 2019-04-22T16:51:24.21
IV.LNSS.HHE. ML:2.1 0.0008705000000000001 0.44 AML other m 2019-04-22T16:51:24.70
IV.MF5.EHE. ML:2.4 0.0008494999999999999 0.44 AML other m 2019-04-22T16:51:26.96
IV.MF5.EHN. ML:2.6 0.001325 0.42 AML other m 2019-04-22T16:51:26.93
IV.GUMA.HHE. ML:2.4 0.0008049999999999999 0.28 AML other m 2019-04-22T16:51:28.66
IV.FDMO.HHE. ML:1.8 0.00016299999999999998 0.22 AML other m 2019-04-22T16:51:29.63
IV.VCEL.EHE. ML:2.3 0.0004955 0.46 AML other m 2019-04-22T16:51:29.84
IV.FAGN.HHN. ML:2.3 0.0006129999999999999 0.56 AML other m 2019-04-22T16:51:30.51
IV.VCEL.EHN. ML:2.3 0.000494 1.18 AML other m 2019-04-22T16:51:31.33
IV.SAP2.EHE. ML:2.2 0.0003875 0.78 AML other m 2019-04-22T16:51:31.15
IV.FDMO.HHN. ML:1.7 0.0001575 0.96 AML other m 2019-04-22T16:51:31.36
IV.CESI.HHN. ML:2.3 0.0005625 0.3 AML other m 2019-04-22T16:51:32.24
IV.SAP2.EHN. ML:3.0 0.0023250000000000002 0.22 AML other m 2019-04-22T16:51:32.15
IV.FAGN.HHE. ML:2.5 0.0008954999999999999 1.52 AML other m 2019-04-22T16:51:32.93
IV.T0110.HHE. ML:2.1 0.000263 0.72 AML other m 2019-04-22T16:51:33.92
IV.T0110.HHN. ML:2.3 0.000383 0.44 AML other m 2019-04-22T16:51:34.04
IV.CESI.HHE. ML:2.0 0.0002405 1.42 AML other m 2019-04-22T16:51:34.11
IV.MOMA.HHE. ML:1.9 0.0001555 0.22 AML other m 2019-04-22T16:51:34.55
IV.GUMA.HHN. ML:2.4 0.000818 0.52 AML other m 2019-04-22T16:51:35.14
IV.MOMA.HHN. ML:2.0 0.0001715 0.42 AML other m 2019-04-22T16:51:41.75
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