Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 28-11-2021 and time 07:25:43 (UTC) in region 5 km NW Cittareale (RI)

A magnitude ML 2.0 earthquake occured in region: 5 km NW Cittareale (RI), on

  • 28-11-2021 07:25:43 (UTC)
  • 28-11-2021 08:25:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6440, 13.1140 at 10 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 5 482 482
Cascia PG 12 3217 3699
Accumoli RI 12 667 4366
Monteleone di Spoleto PG 13 599 4965
Posta RI 13 694 5659
Amatrice RI 15 2657 8316
Borbona RI 15 617 8933
Leonessa RI 15 2435 11368
Poggiodomo PG 16 117 11485
Norcia PG 17 4957 16442
Montereale AQ 17 2581 19023

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Terni (111501 inhabitants)
40 Km NW of L'Aquila (69753 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
86 Km E of Viterbo (67173 inhabitants)
92 Km W of Pescara (121014 inhabitants)
92 Km W of Chieti (51815 inhabitants)
98 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 2.0 2021-11-28
07:25:43		 42.6443 13.1135 11 2022-03-30
13:04:26		 Bollettino Sismico Italiano INGV 99322481
Reviewed
Rev100 		ML 2.0 2021-11-28
07:25:43		 42.6483 13.1145 9 2021-11-28
07:32:38		 Sala Sismica INGV-Roma 97895161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-28 07:25:43 ± 0.08
Latitude 42.6443 ± 0.0045
Longitude 13.1135 ± 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 99322481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 459
Semi-minor axis of confidence ellipse (meter) 420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 35
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) 0.68438
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 99322481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 17:52:55

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 97895161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-28 07:32:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-11-28T07:26:02.13 0.6 undecidable manual S 320 57.5979 50 0.31 44
IV.CSP1.EHZ. 2021-11-28T07:26:00.13 0.3 undecidable manual S 8 50.2164 50 0.29 68
IV.MF5.EHZ. 2021-11-28T07:25:59.97 0.3 undecidable manual S 36 47.4192 50 0.88 56
IV.VVLD.HHZ. 2021-11-28T07:25:58.93 3.0 undecidable manual P -1.82 0
IV.FDMO.HHZ. 2021-11-28T07:25:58.00 0.3 undecidable manual S 357 43.5231 50 -0.07 72
IV.CESI.HHZ. 2021-11-28T07:25:58.13 0.3 undecidable manual S 337 43.4232 50 0.09 71
IV.FIAM.HHZ. 2021-11-28T07:25:57.54 0.3 undecidable manual S 180 41.7249 50 -0.05 72
IV.EL6.EHZ. 2021-11-28T07:25:57.01 0.3 undecidable manual P 359 75.9684 50 -0.05 68
IV.MNTT.EHZ. 2021-11-28T07:25:55.57 0.3 undecidable manual P 40 60.6948 50 0.87 55
IV.MC2.EHZ. 2021-11-28T07:25:55.01 0.3 undecidable manual S 12 30.2475 50 0.49 67
IV.MMO1.EHZ. 2021-11-28T07:25:55.05 0.3 undecidable manual S 31 33.2445 50 -0.25 70
IV.OFFI.HHZ. 2021-11-28T07:25:54.92 0.1 undecidable manual P 55 56.6988 50 0.84 74
IV.ARRO.EHZ. 2021-11-28T07:25:54.06 0.6 undecidable manual S 256 29.3484 50 -0.2 48
IV.FAGN.HHZ. 2021-11-28T07:25:54.41 0.6 undecidable manual P 137 56.9985 50 0.28 45
IV.ASSB.HHZ. 2021-11-28T07:25:54.21 0.3 undecidable manual P 320 57.5979 50 -0.02 70
IV.CAMP.HHZ. 2021-11-28T07:25:53.31 0.3 undecidable manual S 116 26.9508 50 -0.33 70
IV.GUMA.HHZ. 2021-11-28T07:25:53.06 0.1 undecidable manual P 21 49.8168 50 0.04 95
IV.MF5.EHZ. 2021-11-28T07:25:52.95 0.3 undecidable manual P 36 47.4192 50 0.3 68
IV.CSP1.EHZ. 2021-11-28T07:25:52.89 0.1 positive manual P 8 50.2164 50 -0.19 92
IV.MTRA.EHZ. 2021-11-28T07:25:52.76 0.3 undecidable manual S 62 26.2515 50 -0.68 63
IV.GAVE.EHZ. 2021-11-28T07:25:51.14 0.3 undecidable manual S 287 18.6702 119 -0.14 74
IV.NRCA.HNZ. 2021-11-28T07:25:51.40 0.3 undecidable manual S 0 20.9679 117 -0.6 65
IV.FIAM.HHZ. 2021-11-28T07:25:51.61 0.3 undecidable manual P 180 41.7249 50 -0.17 70
IV.CESI.HHZ. 2021-11-28T07:25:51.87 0.3 undecidable manual P 337 43.4232 50 -0.18 70
IV.FDMO.HHZ. 2021-11-28T07:25:51.80 0.1 positive manual P 357 43.5231 50 -0.26 92
IV.SMA1.EHZ. 2021-11-28T07:25:51.09 0.3 undecidable manual S 95 18.1707 120 -0.05 75
IV.MMO1.EHZ. 2021-11-28T07:25:50.19 0.1 positive manual P 31 33.2445 50 -0.28 93
IV.MTRA.EHZ. 2021-11-28T07:25:49.12 0.3 undecidable manual P 62 26.2515 50 -0.27 71
IV.CAMP.HHZ. 2021-11-28T07:25:49.30 0.3 undecidable manual P 116 26.9508 50 -0.2 72
IV.MC2.EHZ. 2021-11-28T07:25:49.83 0.1 undecidable manual P 12 30.2475 50 -0.18 95
IV.ARRO.EHZ. 2021-11-28T07:25:49.68 0.3 undecidable manual P 256 29.3484 50 -0.19 72
IV.SMA1.EHZ. 2021-11-28T07:25:48.18 0.1 negative manual P 95 18.1707 120 0.12 99
IV.GAVE.EHZ. 2021-11-28T07:25:48.20 0.1 negative manual P 287 18.6702 119 0.05 100
IV.LNSS.HHZ. 2021-11-28T07:25:48.62 0.3 undecidable manual S 232 7.5813 144 0.28 73
IV.NRCA.HNZ. 2021-11-28T07:25:48.32 0.1 positive manual P 0 20.9679 117 -0.24 96
IV.LNSS.HHZ. 2021-11-28T07:25:46.79 0.1 undecidable manual P 232 7.5813 144 0.34 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:2.3 0.0029380915 0.1408 AML other m 2021-11-28T07:25:48.76
IV.LNSS.HNN. ML:2.3 0.0030541405 0.1312 AML other m 2021-11-28T07:25:48.76
IV.LNSS.HHE. ML:2.6 0.0051109925 0.2176 AML other m 2021-11-28T07:25:48.82
IV.LNSS.HNE. ML:2.5 0.0048338775 0.208 AML other m 2021-11-28T07:25:48.82
IV.GAVE.HNE. ML:2.1 0.0010276035000000002 0.1888 AML other m 2021-11-28T07:25:51.32
IV.GAVE.EHE. ML:2.1 0.00101190305 0.1984 AML other m 2021-11-28T07:25:51.33
IV.GAVE.EHN. ML:2.0 0.000867 0.14 AML other m 2021-11-28T07:25:51.56
IV.SMA1.EHE. ML:2.4 0.0018887535 0.1824 AML other m 2021-11-28T07:25:51.72
IV.SMA1.EHN. ML:2.3 0.00156 0.26 AML other m 2021-11-28T07:25:51.57
IV.NRCA.HHE. ML:2.3 0.001513771 1.8592 AML other m 2021-11-28T07:25:51.95
IV.NRCA.HNE. ML:2.3 0.0014323699999999999 1.8592 AML other m 2021-11-28T07:25:51.95
IV.NRCA.HHN. ML:2.2 0.00118 0.1 AML other m 2021-11-28T07:25:52.10
IV.NRCA.HNN. ML:2.2 0.0010899999999999998 0.1 AML other m 2021-11-28T07:25:52.10
IV.GAVE.HNN. ML:1.6 0.0002761813 0.2208 AML other m 2021-11-28T07:25:52.43
IV.MMO1.HNN. ML:3.1 0.0057547785 1.3792 AML other m 2021-11-28T07:25:53.91
IV.MTRA.HNN. ML:2.2 0.0008185 0.24 AML other m 2021-11-28T07:25:53.43
IV.MTRA.EHN. ML:2.2 0.00083436865 0.24 AML other m 2021-11-28T07:25:53.43
IV.MTRA.EHE. ML:2.3 0.001185 0.16 AML other m 2021-11-28T07:25:53.36
IV.MTRA.HNE. ML:2.3 0.0011899999999999999 0.16 AML other m 2021-11-28T07:25:53.36
IV.MNTT.EHN. ML:2.1 0.00026290849999999996 1.12 AML other m 2021-11-28T07:25:54.68
IV.MMO1.EHE. ML:1.6 0.00015900395 0.2816 AML other m 2021-11-28T07:25:55.65
IV.MC2.EHN. ML:2.1 0.00057588495 0.1376 AML other m 2021-11-28T07:25:55.59
IV.MC2.EHE. ML:2.0 0.0004890291 0.24 AML other m 2021-11-28T07:25:57.55
IV.MMO1.EHN. ML:1.6 0.000173842155 0.2624 AML other m 2021-11-28T07:25:57.82
IV.FIAM.HNN. ML:1.7 0.0001595026 0.2688 AML other m 2021-11-28T07:25:58.44
IV.FIAM.HHE. ML:1.4 0.000078917015 0.2624 AML other m 2021-11-28T07:25:58.74
IV.FIAM.HHN. ML:1.4 0.00009045 0.32 AML other m 2021-11-28T07:25:58.76
IV.CESI.HNE. ML:1.6 0.000141593045 1.8176 AML other m 2021-11-28T07:25:58.01
IV.CESI.HHN. ML:2.2 0.000484 0.2 AML other m 2021-11-28T07:25:59.10
IV.CESI.HHE. ML:1.8 0.00018990569999999997 0.1792 AML other m 2021-11-28T07:25:59.01
IV.CESI.HNN. ML:2.2 0.00047919765 1.7888 AML other m 2021-11-28T07:25:59.00
IV.FDMO.HHN. ML:1.5 0.00010700495 0.16 AML other m 2021-11-28T07:26:00.09
IV.FDMO.HHE. ML:1.6 0.00011534345 0.1792 AML other m 2021-11-28T07:26:00.34
IV.FIAM.HNE. ML:2.9 0.0023753785 0.688 AML other m 2021-11-28T07:26:00.73
IV.CSP1.EHN. ML:1.8 0.00015982465 0.1408 AML other m 2021-11-28T07:26:01.32
IV.CSP1.EHE. ML:1.8 0.00014460575 0.1792 AML other m 2021-11-28T07:26:01.45
IV.MMO1.HNE. ML:3.1 0.0054162405 1.2096 AML other m 2021-11-28T07:26:01.38
IV.GUMA.HHE. ML:1.9 0.00023099999999999998 0.3 AML other m 2021-11-28T07:26:01.90
IV.ASSB.HHN. ML:1.9 0.00017068315 1.7408 AML other m 2021-11-28T07:26:03.93
IV.ASSB.HHE. ML:1.6 0.00009327606000000001 0.24 AML other m 2021-11-28T07:26:04.26
IV.OFFI.HHN. ML:2.3 0.00045483000000000003 0.5824 AML other m 2021-11-28T07:26:04.00
IV.GUMA.HNN. ML:1.9 0.00020546475 0.2272 AML other m 2021-11-28T07:26:04.87
IV.GUMA.HHN. ML:1.8 0.0001763207 0.3584 AML other m 2021-11-28T07:26:05.35
IV.OFFI.HHE. ML:2.0 0.00020865379 0.3808 AML other m 2021-11-28T07:26:05.41
IV.MNTT.EHE. ML:2.1 0.00027826855 0.4224 AML other m 2021-11-28T07:26:05.55
IV.MF5.EHE. ML:1.8 0.00015977749999999998 0.8416 AML other m 2021-11-28T07:26:06.41
IV.GUMA.HNE. ML:1.9 0.0002188424 1.3792 AML other m 2021-11-28T07:26:06.82
IV.FAGN.HHE. ML:1.9 0.0001785 0.42 AML other m 2021-11-28T07:26:06.87
IV.FAGN.HHN. ML:1.7 0.00010637522 0.3008 AML other m 2021-11-28T07:26:07.69
IV.MF5.EHN. ML:1.6 0.0001241937 1.2608 AML other m 2021-11-28T07:26:08.12
IV.EL6.EHN. ML:1.9 0.00011295431 1.76 AML other m 2021-11-28T07:26:09.02
IV.EL6.EHE. ML:1.8 0.000106351225 0.3584 AML other m 2021-11-28T07:26:10.39
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