Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 07-09-2018 and time 02:54:28 (Italy) in region 6 km W Cittareale (RI)

A magnitude ML 2.1 earthquake occured in region: 6 km W Cittareale (RI), on

  • 07-09-2018 00:54:28 (UTC)
  • 07-09-2018 02:54:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6340, 13.0960 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
Cittareale RI 6 482 482
Cascia PG 12 3217 3699
Monteleone di Spoleto PG 12 599 4298
Posta RI 12 694 4992
Leonessa RI 13 2435 7427
Borbona RI 14 617 8044
Accumoli RI 14 667 8711
Poggiodomo PG 16 117 8828
Amatrice RI 16 2657 11485
Montereale AQ 17 2581 14066
Norcia PG 18 4957 19023

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Terni (111501 inhabitants)
40 Km NW of L'Aquila (69753 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
85 Km E of Viterbo (67173 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
93 Km W of Chieti (51815 inhabitants)
94 Km W of Pescara (121014 inhabitants)
97 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
Bulletin
Rev1000 		ML 2.1 2018-09-07
00:54:28		 42.6345 13.096 8 2019-06-04
09:15:58		 Bollettino Sismico Italiano INGV 62103211
Reviewed
Rev100 		ML 2.1 2018-09-07
00:54:28		 42.6403 13.098 8 2018-09-07
01:03:04		 Sala Sismica INGV-Roma 60645351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-07 00:54:28 ± 0.08
Latitude 42.6345 ± 0.0045
Longitude 13.0960 ± 0.0061
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 62103211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.87054
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 60645351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-07 01:03:04

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 62103211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-02 11:56:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2018-09-07T00:54:55.36 0.6 undecidable manual S 327 83.7495 50 1.44 26
IV.EL6.EHZ. 2018-09-07T00:54:53.04 0.3 undecidable manual S 0 77.0673 50 0.89 52
IV.ATCC.EHZ. 2018-09-07T00:54:51.19 0.6 undecidable manual S 329 71.4729 50 0.55 40
IV.ASSB.HHZ. 2018-09-07T00:54:46.83 3.0 undecidable manual S 0.12 0
IV.GUMA.HHZ. 2018-09-07T00:54:45.90 1.0 undecidable manual S 22 51.3153 50 0.63 20
IV.ARVD.HHZ. 2018-09-07T00:54:45.24 0.3 undecidable manual P 353 96.6255 50 0.08 64
IV.MF5.EHZ. 2018-09-07T00:54:45.40 0.6 undecidable manual S 37 49.1175 50 0.72 39
IV.ATFO.HHZ. 2018-09-07T00:54:44.93 0.3 undecidable manual P 333 91.7415 50 0.53 59
IV.MURB.HHZ. 2018-09-07T00:54:43.07 0.1 undecidable manual P 327 83.7495 50 -0.11 87
IV.FIAM.HHZ. 2018-09-07T00:54:42.77 0.6 undecidable manual S 178 40.7259 50 0.34 45
IV.TERO.HHZ. 2018-09-07T00:54:42.10 0.3 undecidable manual S 92 41.4252 50 -0.54 64
IV.FDMO.HHZ. 2018-09-07T00:54:42.90 0.6 undecidable manual S 359 44.622 50 -0.57 42
IV.EL6.EHZ. 2018-09-07T00:54:41.88 0.1 undecidable manual P 0 77.0673 50 -0.27 85
IV.ATCC.EHZ. 2018-09-07T00:54:41.05 0.1 undecidable manual P 329 71.4729 50 -0.23 87
IV.MMO1.EHZ. 2018-09-07T00:54:40.40 0.6 undecidable manual S 33 34.8429 50 -0.48 44
IV.MC2.EHZ. 2018-09-07T00:54:40.10 0.6 undecidable manual S 14 31.6461 105 0.24 47
IV.ARRO.EHZ. 2018-09-07T00:54:38.42 1.0 undecidable manual S 257 27.6501 107 -0.11 24
IV.ASSB.HHZ. 2018-09-07T00:54:38.71 3.0 undecidable manual P -0.26 0
IV.CAMP.HHE. 2018-09-07T00:54:38.92 0.6 undecidable manual S 113 27.8499 107 0.34 46
IV.GUMA.HHZ. 2018-09-07T00:54:38.05 0.6 undecidable manual P 22 51.3153 50 -0.13 46
IV.MF5.EHZ. 2018-09-07T00:54:37.93 0.6 undecidable manual P 37 49.1175 50 0.09 47
IV.MTRA.EHZ. 2018-09-07T00:54:37.80 0.6 undecidable manual S 61 28.0497 107 -0.84 39
IV.NRCA.HHZ. 2018-09-07T00:54:36.30 0.6 undecidable manual S 4 22.1556 111 -0.41 46
IV.FDMO.HHZ. 2018-09-07T00:54:36.62 0.6 undecidable manual P 359 44.622 50 -0.53 43
IV.TERO.HHZ. 2018-09-07T00:54:36.27 0.6 undecidable manual P 92 41.4252 50 -0.4 44
IV.FIAM.HHZ. 2018-09-07T00:54:36.11 0.1 undecidable manual P 178 40.7259 50 -0.43 88
IV.SMA1.EHZ. 2018-09-07T00:54:36.20 0.6 undecidable manual S 91 19.5693 113 0.33 47
OB.GAVE.EHZ. 2018-09-07T00:54:35.23 3.0 undecidable manual S 0.06 0
IV.MMO1.EHZ. 2018-09-07T00:54:35.22 1.0 undecidable manual P 33 34.8429 50 -0.43 22
IV.RM33.EHZ. 2018-09-07T00:54:35.50 0.6 undecidable manual S 145 16.9719 116 0.44 46
IV.MTRA.EHZ. 2018-09-07T00:54:34.12 0.6 undecidable manual P 61 28.0497 107 -0.23 47
IV.MC2.EHZ. 2018-09-07T00:54:34.77 0.6 undecidable manual P 14 31.6461 105 -0.29 46
IV.ARRO.EHZ. 2018-09-07T00:54:34.17 0.6 undecidable manual P 257 27.6501 107 -0.12 48
IV.T1299.HNN. 2018-09-07T00:54:34.94 0.6 undecidable manual S 90 15.1737 119 0.43 46
IV.CAMP.HHE. 2018-09-07T00:54:34.15 0.1 undecidable manual P 113 27.8499 107 -0.17 95
IV.SMA1.EHZ. 2018-09-07T00:54:33.10 0.3 undecidable manual P 91 19.5693 113 0.34 70
IV.NRCA.HHZ. 2018-09-07T00:54:33.02 0.6 undecidable manual P 4 22.1556 111 -0.22 48
IV.T1299.HNN. 2018-09-07T00:54:32.29 0.1 undecidable manual P 90 15.1737 119 0.32 94
OB.GAVE.EHZ. 2018-09-07T00:54:32.49 3.0 undecidable manual P 0.18 0
IV.RM33.EHZ. 2018-09-07T00:54:32.33 0.6 undecidable manual P 145 16.9719 116 0.04 50
IV.LNSS.HHZ. 2018-09-07T00:54:31.80 0.3 undecidable manual S 232 5.7942 145 -0.21 74
IV.LNSS.HHZ. 2018-09-07T00:54:30.65 0.1 undecidable manual P 232 5.7942 145 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:2.8 0.01305 0.18 AML other m 2018-09-07T00:54:32.06
IV.LNSS.HHN. ML:2.5 0.006470000000000001 0.62 AML other m 2018-09-07T00:54:32.56
IV.RM33.HNN. ML:2.0 0.0008734999999999999 0.78 AML other m 2018-09-07T00:54:35.92
IV.RM33.EHN. ML:2.0 0.0008265 0.78 AML other m 2018-09-07T00:54:35.92
IV.NRCA.HHE. ML:2.4 0.001865 0.46 AML other m 2018-09-07T00:54:37.28
IV.SMA1.EHE. ML:2.5 0.002745 1.26 AML other m 2018-09-07T00:54:37.17
IV.RM33.HNE. ML:2.0 0.0009744999999999999 0.74 AML other m 2018-09-07T00:54:37.63
IV.NRCA.HNE. ML:2.4 0.00186 0.14 AML other m 2018-09-07T00:54:37.28
IV.NRCA.HHN. ML:2.4 0.0016200000000000001 0.12 AML other m 2018-09-07T00:54:37.63
IV.NRCA.HNN. ML:2.4 0.0016200000000000001 0.12 AML other m 2018-09-07T00:54:37.63
IV.SMA1.EHN. ML:2.2 0.001355 0.68 AML other m 2018-09-07T00:54:38.95
IV.MTRA.HNN. ML:2.1 0.000739 1.06 AML other m 2018-09-07T00:54:38.44
IV.MTRA.HNE. ML:2.2 0.0008995 0.56 AML other m 2018-09-07T00:54:39.25
IV.MTRA.EHE. ML:2.2 0.0008705000000000001 0.56 AML other m 2018-09-07T00:54:39.54
IV.RM33.EHE. ML:2.0 0.000989 0.64 AML other m 2018-09-07T00:54:40.72
IV.ARRO.EHE. ML:1.9 0.0004555 0.16 AML other m 2018-09-07T00:54:41.11
IV.ARRO.EHN. ML:1.8 0.000363 0.78 AML other m 2018-09-07T00:54:41.61
IV.MTRA.EHN. ML:2.1 0.0006705 0.64 AML other m 2018-09-07T00:54:41.50
IV.CAMP.HHN. ML:1.6 0.0001985 0.56 AML other m 2018-09-07T00:54:42.13
IV.CAMP.HHE. ML:1.6 0.0001965 1.02 AML other m 2018-09-07T00:54:42.79
IV.FDMO.HHE. ML:2.1 0.00040149999999999995 0.54 AML other m 2018-09-07T00:54:44.04
IV.FDMO.HHN. ML:2.1 0.000375 1.58 AML other m 2018-09-07T00:54:44.03
IV.TERO.HHN. ML:1.9 0.0002635 1.52 AML other m 2018-09-07T00:54:45.08
IV.TERO.HNN. ML:1.8 0.000188 1.48 AML other m 2018-09-07T00:54:45.11
IV.FIAM.HHE. ML:1.7 0.0001805 0.48 AML other m 2018-09-07T00:54:45.39
IV.TERO.HNE. ML:1.6 0.0001403 0.4 AML other m 2018-09-07T00:54:47.00
IV.TERO.HHE. ML:1.8 0.00019800000000000002 1.32 AML other m 2018-09-07T00:54:47.01
IV.MF5.EHN. ML:1.9 0.00022899999999999998 0.28 AML other m 2018-09-07T00:54:47.08
IV.GUMA.HHE. ML:2.4 0.000687 0.28 AML other m 2018-09-07T00:54:47.37
IV.ASSB.HHE. ML:2.2 0.000358 0.3 AML other m 2018-09-07T00:54:47.46
IV.MF5.EHE. ML:2.0 0.00027949999999999996 0.4 AML other m 2018-09-07T00:54:47.94
IV.FIAM.HHN. ML:1.6 0.0001465 0.46 AML other m 2018-09-07T00:54:48.63
IV.ASSB.HHN. ML:2.2 0.000359 1.32 AML other m 2018-09-07T00:54:49.81
IV.GUMA.HHN. ML:2.3 0.0005885 0.36 AML other m 2018-09-07T00:54:50.01
IV.ATCC.EHN. ML:2.2 0.000243 0.3 AML other m 2018-09-07T00:54:52.54
IV.ATCC.EHE. ML:2.3 0.0002965 0.74 AML other m 2018-09-07T00:54:53.70
IV.EL6.EHN. ML:2.2 0.00022749999999999997 1.76 AML other m 2018-09-07T00:54:55.97
IV.EL6.EHE. ML:2.1 0.00019800000000000002 1.36 AML other m 2018-09-07T00:54:55.99
IV.MURB.HHN. ML:2.5 0.000397 0.26 AML other m 2018-09-07T00:54:57.29
IV.MURB.HHE. ML:2.5 0.000375 0.48 AML other m 2018-09-07T00:54:57.71
IV.ATFO.HHN. ML:1.8 0.0000765 0.3 AML other m 2018-09-07T00:54:58.28
IV.ARVD.HHE. ML:1.8 0.00006175 0.18 AML other m 2018-09-07T00:55:00.16
IV.ATFO.HHE. ML:1.9 0.00008525 1.32 AML other m 2018-09-07T00:55:02.17
IV.ARVD.HHN. ML:1.5 0.0000336 0.78 AML other m 2018-09-07T00:55:06.34
IV.PARC.HHE. ML:1.6 0.000025849999999999998 0.3 AML other m 2018-09-07T00:55:15.74
IV.PARC.HHN. ML:1.6 0.00002295 1.62 AML other m 2018-09-07T00:55:16.82
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