Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-10-2020 and time 04:36:09 (Italy) in region 6 km SE Cittareale (RI)

A magnitude ML 1.6 earthquake occured in region: 6 km SE Cittareale (RI), on

  • 30-10-2020 03:36:09 (UTC)
  • 30-10-2020 04:36:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5770, 13.2040 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
Cittareale RI 6 482 482
Montereale AQ 7 2581 3063
Borbona RI 9 617 3680
Amatrice RI 9 2657 6337
Capitignano AQ 10 665 7002
Posta RI 11 694 7696
Cagnano Amiterno AQ 13 1369 9065
Accumoli RI 14 667 9732
Campotosto AQ 14 542 10274
Barete AQ 15 737 11011
Pizzoli AQ 17 4326 15337
Micigliano RI 18 127 15464
Leonessa RI 20 2435 17899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km W of Chieti (51815 inhabitants)
84 Km W of Pescara (121014 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
96 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 1.6 2020-10-30
03:36:09		 42.5768 13.2037 11 2021-02-26
14:56:09		 Bollettino Sismico Italiano INGV 85174581
Reviewed
Rev100 		ML 1.6 2020-10-30
03:36:08		 42.5522 13.207 13 2020-10-30
03:41:17		 Sala Sismica INGV-Roma 84251081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-30 03:36:09 ± 0.07
Latitude 42.5768 ± 0.0009
Longitude 13.2037 ± 0.0012
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85174581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 318
Circular confidence region, given by single value of horizontal uncertainty (meter) 150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56387
Number of stations at which the event was observed 22
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 28
Type of magnitude ML
Reference to an origin 85174581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-03 10:45:43

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 84251081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-30 03:41:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2020-10-30T03:36:36.26 3.0 undecidable manual S -2.23 0
IV.CSP1.EHZ. 2020-10-30T03:36:27.84 0.3 undecidable manual S 0 57.0984 90 0.8 56
IV.FDMO.HHZ. 2020-10-30T03:36:26.38 0.6 undecidable manual S 350 51.8037 90 0.74 38
IV.MF5.EHZ. 2020-10-30T03:36:26.58 0.1 undecidable manual S 24 50.1165 90 1.4 55
IV.CESI.HHZ. 2020-10-30T03:36:26.51 0.3 undecidable manual S 333 53.4021 90 0.47 64
IV.CESX.HHZ. 2020-10-30T03:36:25.24 0.3 undecidable manual S 274 50.5161 90 -0.04 71
IV.MMO1.EHZ. 2020-10-30T03:36:22.00 0.1 undecidable manual S 16 37.1295 90 0.28 91
IV.MC2.EHZ. 2020-10-30T03:36:22.30 0.6 undecidable manual S 358 37.1295 90 0.59 42
IV.MNTT.EHZ. 2020-10-30T03:36:21.30 0.1 undecidable manual P 31 62.5929 90 0.9 70
IV.ARRO.EHZ. 2020-10-30T03:36:20.87 0.3 undecidable manual S 271 35.742 90 -0.48 66
IV.OFFI.HHZ. 2020-10-30T03:36:20.20 0.1 undecidable manual P 44 55.7997 90 0.84 73
IV.TERO.HHZ. 2020-10-30T03:36:20.21 0.1 undecidable manual S 81 33.0447 90 -0.42 91
IV.MOMA.HHZ. 2020-10-30T03:36:19.58 0.3 undecidable manual P 296 57.498 90 -0.04 70
IV.CSP1.EHZ. 2020-10-30T03:36:19.55 0.1 undecidable manual P 0 57.0984 90 -0.01 94
IV.VCEL.EHZ. 2020-10-30T03:36:19.55 0.3 undecidable manual P 111 55.8996 90 0.18 68
IV.NRCA.HHZ. 2020-10-30T03:36:19.39 0.1 undecidable manual S 346 29.3484 90 -0.25 95
IV.CESI.HHZ. 2020-10-30T03:36:19.03 0.3 undecidable manual P 333 53.4021 90 0.05 70
IV.MTRA.EHZ. 2020-10-30T03:36:18.32 0.1 undecidable manual S 38 25.3524 90 -0.26 96
IV.CESX.HHZ. 2020-10-30T03:36:18.16 0.3 undecidable manual P 274 50.5161 90 -0.38 66
IV.GAVE.EHZ. 2020-10-30T03:36:18.93 0.1 undecidable manual S 297 28.3494 90 -0.43 91
IV.FDMO.HHZ. 2020-10-30T03:36:18.74 0.3 undecidable manual P 350 51.8037 90 -0.01 71
IV.MF5.EHZ. 2020-10-30T03:36:18.87 0.1 undecidable manual P 24 50.1165 90 0.39 88
IV.MMO1.EHZ. 2020-10-30T03:36:16.43 0.1 positive manual P 16 37.1295 90 -0.05 97
IV.CAMP.HHZ. 2020-10-30T03:36:16.06 0.1 undecidable manual S 105 17.3715 90 -0.38 94
IV.MC2.EHZ. 2020-10-30T03:36:16.50 0.1 positive manual P 358 37.1295 90 0.02 97
IV.TERO.HHZ. 2020-10-30T03:36:15.55 0.1 undecidable manual P 81 33.0447 90 -0.31 93
IV.LNSS.HHZ. 2020-10-30T03:36:15.26 0.1 undecidable manual S 282 13.6752 92 -0.18 98
IV.ARRO.EHZ. 2020-10-30T03:36:15.93 0.1 undecidable manual P 271 35.742 90 -0.34 91
IV.SMA1.EHZ. 2020-10-30T03:36:15.21 0.1 undecidable manual S 61 12.2766 105 0.13 98
IV.NRCA.HHZ. 2020-10-30T03:36:15.10 0.1 positive manual P 346 29.3484 90 -0.19 96
IV.T1299.HNN. 2020-10-30T03:36:14.39 0.1 undecidable manual S 45 8.9799 125 0.09 100
IV.MTRA.EHZ. 2020-10-30T03:36:14.54 0.1 positive manual P 38 25.3524 90 -0.13 98
IV.GAVE.EHZ. 2020-10-30T03:36:14.86 0.1 positive manual P 297 28.3494 90 -0.26 94
IV.RM33.HNZ. 2020-10-30T03:36:13.38 0.1 undecidable manual S 173 7.5813 133 -0.62 88
IV.CAMP.HHZ. 2020-10-30T03:36:13.32 0.1 undecidable manual P 105 17.3715 90 -0.12 99
IV.T1299.HNN. 2020-10-30T03:36:12.38 0.1 positive manual P 45 8.9799 125 0.17 99
IV.LNSS.HHZ. 2020-10-30T03:36:12.74 0.1 positive manual P 282 13.6752 92 -0.12 99
IV.SMA1.EHZ. 2020-10-30T03:36:12.85 0.1 positive manual P 61 12.2766 105 0.19 98
IV.RM33.HNZ. 2020-10-30T03:36:11.86 0.1 negative manual P 173 7.5813 133 -0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:2.3 0.0025949999999999997 0.54 AML other m 2020-10-30T03:36:13.73
IV.RM33.EHN. ML:2.3 0.0025599999999999998 0.52 AML other m 2020-10-30T03:36:13.73
IV.RM33.EHE. ML:2.2 0.00227 0.14 AML other m 2020-10-30T03:36:13.69
IV.RM33.HNE. ML:2.2 0.002275 0.14 AML other m 2020-10-30T03:36:13.69
IV.LNSS.HHE. ML:1.8 0.0007204999999999999 0.14 AML other m 2020-10-30T03:36:15.44
IV.LNSS.HHN. ML:1.8 0.0006805 0.16 AML other m 2020-10-30T03:36:15.38
IV.SMA1.EHN. ML:2.1 0.001213 0.48 AML other m 2020-10-30T03:36:15.56
IV.SMA1.EHE. ML:2.3 0.00218 0.52 AML other m 2020-10-30T03:36:15.64
IV.CAMP.HHE. ML:1.2 0.00014050000000000003 1.2 AML other m 2020-10-30T03:36:16.12
IV.CAMP.HHN. ML:1.2 0.000146 0.6 AML other m 2020-10-30T03:36:17.15
IV.MTRA.EHN. ML:1.7 0.00030000000000000003 0.86 AML other m 2020-10-30T03:36:18.59
IV.MTRA.EHE. ML:1.8 0.000367 0.84 AML other m 2020-10-30T03:36:19.90
IV.NRCA.HHE. ML:1.9 0.000364 0.12 AML other m 2020-10-30T03:36:19.63
IV.NRCA.HHN. ML:1.6 0.0002095 0.12 AML other m 2020-10-30T03:36:19.86
IV.GAVE.EHN. ML:1.5 0.00016949999999999997 0.46 AML other m 2020-10-30T03:36:20.37
IV.TERO.HHN. ML:1.6 0.0001915 0.38 AML other m 2020-10-30T03:36:20.26
IV.TERO.HHE. ML:1.6 0.0001485 0.48 AML other m 2020-10-30T03:36:20.25
IV.GAVE.EHE. ML:1.5 0.00014500000000000003 0.64 AML other m 2020-10-30T03:36:21.82
IV.ARRO.EHE. ML:1.3 0.00008484999999999999 0.82 AML other m 2020-10-30T03:36:22.55
IV.ARRO.EHN. ML:1.4 0.00010350000000000001 0.64 AML other m 2020-10-30T03:36:22.54
IV.CESX.HHE. ML:1.2 0.00004565 0.2 AML other m 2020-10-30T03:36:26.71
IV.CESX.HHN. ML:1.3 0.00005035 0.86 AML other m 2020-10-30T03:36:27.54
IV.FDMO.HHE. ML:1.2 0.0000363 0.52 AML other m 2020-10-30T03:36:28.30
IV.FDMO.HHN. ML:1.1 0.0000295 1.28 AML other m 2020-10-30T03:36:28.88
IV.VCEL.EHE. ML:1.5 0.0000772 1.02 AML other m 2020-10-30T03:36:29.77
IV.MOMA.HHE. ML:1.5 0.00007165 0.74 AML other m 2020-10-30T03:36:29.35
IV.VCEL.EHN. ML:1.6 0.00008215 0.86 AML other m 2020-10-30T03:36:29.67
IV.MOMA.HHN. ML:1.3 0.0000471 0.26 AML other m 2020-10-30T03:36:30.79
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