Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 03-07-2018 and time 22:30:11 (Italy) in region 4 km E Cittareale (RI)

A magnitude ML 2.1 earthquake occured in region: 4 km E Cittareale (RI), on

  • 03-07-2018 20:30:11 (UTC)
  • 03-07-2018 22:30:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6090, 13.2120 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Cittareale RI 4 482 482
Amatrice RI 7 2657 3139
Montereale AQ 10 2581 5720
Accumoli RI 10 667 6387
Capitignano AQ 12 665 7052
Borbona RI 13 617 7669
Posta RI 13 694 8363
Campotosto AQ 14 542 8905
Cagnano Amiterno AQ 17 1369 10274
Barete AQ 18 737 11011
Arquata del Tronto AP 20 1178 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
83 Km W of Chieti (51815 inhabitants)
84 Km W of Pescara (121014 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
100 Km NE of Roma (2864731 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
Reviewed
Rev100 		ML 2.1 2018-07-03
20:30:11		 42.6092 13.2125 9 2018-07-03
20:40:17		 Sala Sismica INGV-Roma 58406691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-07-03 20:30:11 ± 0.06
Latitude 42.6092 ± 0.0036
Longitude 13.2125 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 58406691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 385
Semi-minor axis of confidence ellipse (meter) 218
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71226
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 22
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 58406691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-07-03 20:40:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2018-07-03T20:30:43.20 3.0 undecidable manual S -0.85 0
IV.T0110.HHZ. 2018-07-03T20:30:31.25 0.6 undecidable manual S 132 62.493 50 0.33 44
IV.VCEL.EHZ. 2018-07-03T20:30:30.04 0.3 undecidable manual S 115 56.5989 50 0.69 59
IV.MOMA.HHZ. 2018-07-03T20:30:29.98 0.3 undecidable manual S 293 56.5989 50 0.62 61
IV.CSP1.EHZ. 2018-07-03T20:30:29.05 0.3 undecidable manual S 359 53.502 50 0.52 64
IV.MURB.HHZ. 2018-07-03T20:30:29.38 3.0 undecidable manual P 3.94 0
IV.CESX.HHZ. 2018-07-03T20:30:28.61 0.3 undecidable manual S 270 51.1155 50 0.74 59
IV.FAGN.HHZ. 2018-07-03T20:30:27.40 0.3 undecidable manual S 141 48.7179 50 0.15 70
IV.MF5.EHZ. 2018-07-03T20:30:27.48 0.3 undecidable manual S 26 46.62 50 0.81 57
IV.CESI.HHZ. 2018-07-03T20:30:27.66 0.3 undecidable manual S 330 50.5161 50 -0.07 71
IV.ATCC.EHZ. 2018-07-03T20:30:25.17 0.1 undecidable manual P 324 79.0653 50 0.01 90
IV.FIAM.HHZ. 2018-07-03T20:30:23.93 0.3 undecidable manual S 192 38.628 50 -0.62 63
IV.MMO1.EHZ. 2018-07-03T20:30:22.88 0.6 undecidable manual S 16 33.5442 50 -0.3 46
IV.T0110.HHZ. 2018-07-03T20:30:22.41 0.1 undecidable manual P 132 62.493 50 -0.2 90
IV.ASSB.HHZ. 2018-07-03T20:30:22.89 0.3 undecidable manual P 317 65.8896 50 -0.24 66
IV.GIGS.HHZ. 2018-07-03T20:30:22.28 3.0 undecidable manual S 0
IV.VCEL.EHZ. 2018-07-03T20:30:21.51 0.1 undecidable manual P 115 56.5989 50 -0.19 91
IV.MOMA.HHZ. 2018-07-03T20:30:21.59 0.1 undecidable manual P 293 56.5989 50 -0.11 92
OB.GAVE.EHZ. 2018-07-03T20:30:21.35 0.3 undecidable manual S 290 27.5502 107 0.08 73
IV.OFFI.HHZ. 2018-07-03T20:30:21.47 0.1 undecidable manual P 47 52.8027 50 0.35 88
IV.T1220.EHZ. 2018-07-03T20:30:21.51 0.3 undecidable manual P 350 56.499 50 -0.17 68
IV.CESI.HHZ. 2018-07-03T20:30:20.55 0.1 undecidable manual P 330 50.5161 50 -0.22 91
IV.NRCA.HHZ. 2018-07-03T20:30:20.52 0.3 undecidable manual S 342 26.1516 108 -0.29 70
IV.CESX.HHZ. 2018-07-03T20:30:20.58 0.1 undecidable manual P 270 51.1155 50 -0.27 90
IV.FAGN.HHZ. 2018-07-03T20:30:20.11 0.3 undecidable manual P 141 48.7179 50 -0.38 66
IV.CSP1.EHZ. 2018-07-03T20:30:20.97 0.1 undecidable manual P 359 53.502 50 -0.26 90
IV.MF5.EHZ. 2018-07-03T20:30:20.33 0.1 undecidable manual P 26 46.62 50 0.17 93
IV.MTRA.EHZ. 2018-07-03T20:30:19.05 0.3 undecidable manual S 42 22.1556 111 -0.48 68
IV.FIAM.HHZ. 2018-07-03T20:30:18.57 0.1 undecidable manual P 192 38.628 50 -0.36 91
IV.ARRO.EHZ. 2018-07-03T20:30:18.30 0.1 undecidable manual P 265 36.6411 50 -0.32 92
IV.T1247.HHZ. 2018-07-03T20:30:18.68 0.3 undecidable manual S 159 19.869 114 -0.1 74
IV.GIGS.HHZ. 2018-07-03T20:30:17.40 3.0 undecidable manual P 0
IV.MMO1.EHZ. 2018-07-03T20:30:17.74 0.3 undecidable manual P 16 33.5442 50 -0.4 68
IV.LNSS.HHZ. 2018-07-03T20:30:17.48 0.6 undecidable manual S 267 14.0748 122 0.49 46
IV.SMA1.EHZ. 2018-07-03T20:30:16.16 0.1 undecidable manual S 77 10.2786 130 0.23 98
IV.RM33.EHZ. 2018-07-03T20:30:16.26 0.1 undecidable manual S 179 11.0778 128 0.11 100
IV.NRCA.HHZ. 2018-07-03T20:30:16.62 0.1 undecidable manual P 342 26.1516 108 -0.15 97
OB.GAVE.EHZ. 2018-07-03T20:30:16.95 0.1 undecidable manual P 290 27.5502 107 -0.09 98
IV.T1247.HHZ. 2018-07-03T20:30:15.64 0.1 undecidable manual P 159 19.869 114 0.05 100
IV.MTRA.EHZ. 2018-07-03T20:30:15.79 0.1 undecidable manual P 42 22.1556 111 -0.24 96
IV.SMA1.EHZ. 2018-07-03T20:30:14.17 0.1 undecidable manual P 77 10.2786 130 0.22 98
IV.RM33.EHZ. 2018-07-03T20:30:14.25 0.1 undecidable manual P 179 11.0778 128 0.17 99
IV.LNSS.HHZ. 2018-07-03T20:30:14.94 0.1 undecidable manual P 267 14.0748 122 0.37 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:2.3 0.0023799999999999997 0.3 AML other m 2018-07-03T20:30:16.43
IV.RM33.EHN. ML:2.3 0.002365 0.3 AML other m 2018-07-03T20:30:16.44
IV.RM33.HNE. ML:2.2 0.0018199999999999998 0.24 AML other m 2018-07-03T20:30:18.60
IV.RM33.EHE. ML:2.2 0.001825 0.26 AML other m 2018-07-03T20:30:18.61
IV.LNSS.HHE. ML:2.2 0.0016600000000000002 0.7 AML other m 2018-07-03T20:30:18.19
IV.LNSS.HHN. ML:2.2 0.0015049999999999998 0.66 AML other m 2018-07-03T20:30:18.66
IV.MTRA.HNE. ML:2.1 0.0009215 1.32 AML other m 2018-07-03T20:30:19.31
IV.MTRA.EHN. ML:2.3 0.0015049999999999998 0.28 AML other m 2018-07-03T20:30:19.49
IV.MTRA.HNN. ML:2.3 0.0015350000000000001 0.36 AML other m 2018-07-03T20:30:19.49
IV.MTRA.EHE. ML:2.1 0.000904 1.12 AML other m 2018-07-03T20:30:20.78
IV.NRCA.HHE. ML:2.1 0.0006739999999999999 1.02 AML other m 2018-07-03T20:30:21.02
OB.GAVE.EHE. ML:2.1 0.0007685 0.2 AML other m 2018-07-03T20:30:21.99
IV.NRCA.HHN. ML:1.9 0.0004615 1.18 AML other m 2018-07-03T20:30:22.40
OB.GAVE.EHN. ML:2.1 0.0007350000000000001 0.78 AML other m 2018-07-03T20:30:23.99
IV.FIAM.HHN. ML:1.9 0.000258 1.28 AML other m 2018-07-03T20:30:24.88
IV.FIAM.HHE. ML:1.9 0.000272 0.18 AML other m 2018-07-03T20:30:24.59
IV.MF5.EHN. ML:2.2 0.000458 0.38 AML other m 2018-07-03T20:30:27.63
IV.MF5.EHE. ML:2.2 0.0005025 0.54 AML other m 2018-07-03T20:30:27.99
IV.CESX.HHN. ML:2.0 0.0002305 0.48 AML other m 2018-07-03T20:30:29.74
IV.CESX.HHE. ML:1.9 0.0001915 1.48 AML other m 2018-07-03T20:30:30.14
IV.MOMA.HHE. ML:2.0 0.0002315 0.26 AML other m 2018-07-03T20:30:30.38
IV.OFFI.HHN. ML:2.4 0.0005605 0.42 AML other m 2018-07-03T20:30:31.20
IV.MOMA.HHN. ML:2.1 0.000273 1.1 AML other m 2018-07-03T20:30:31.74
IV.MOMA.HNE. ML:2.2 0.00032499999999999993 0.96 AML other m 2018-07-03T20:30:32.12
IV.MOMA.HNN. ML:2.7 0.0012400000000000002 1.52 AML other m 2018-07-03T20:30:34.01
IV.T1220.HNE. ML:1.8 0.0001515 1.26 AML other m 2018-07-03T20:30:34.26
IV.OFFI.HHE. ML:2.2 0.0004325 0.54 AML other m 2018-07-03T20:30:34.70
IV.ASSB.HHE. ML:1.7 0.00009884999999999999 0.2 AML other m 2018-07-03T20:30:35.01
IV.T1220.EHE. ML:2.1 0.0002935 0.56 AML other m 2018-07-03T20:30:35.08
IV.ASSB.HHN. ML:1.8 0.000123 1.3 AML other m 2018-07-03T20:30:35.09
IV.T1220.EHN. ML:2.0 0.00023099999999999998 0.42 AML other m 2018-07-03T20:30:35.48
IV.T1220.HNN. ML:1.8 0.0001315 0.44 AML other m 2018-07-03T20:30:36.50
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