Earthquake with magnitude of ML 1.6 on date 03-06-2021 and time 15:54:02 (Italy) in region 8 km NW Accumoli (RI)

A magnitude ML 1.6 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 03-06-2021 13:54:02 (UTC)
  • 03-06-2021 15:54:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7500, 13.1890 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Accumoli RI 8 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 9 1178 6802
Cascia PG 15 3217 10019
Cittareale RI 15 482 10501
Amatrice RI 16 2657 13158
Montegallo AP 16 523 13681
Castelsantangelo sul Nera MC 16 281 13962
Acquasanta Terme AP 18 2916 16878
Preci PG 19 724 17602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
49 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km W of Chieti (51815 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
100 Km S of Ancona (100861 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 2021-06-03
13:54:02
42.75 13.1888 10 2021-12-29
11:12:36
Bollettino Sismico Italiano INGV 96478191
Reviewed
Rev100
ML 1.5 2021-06-03
13:54:02
42.7502 13.1917 9 2021-06-03
14:02:37
Sala Sismica INGV-Roma 90760541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-03 13:54:02 ± 0.05
Latitude 42.7500 ± 0.0027
Longitude 13.1888 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96478191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 335
Semi-minor axis of confidence ellipse (meter) 275
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.09982
Epicentral distance of station farthest from the epicenter (degree) 0.58276
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 90760541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-03 14:02:37

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 96478191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-12 15:57:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-06-03T13:54:23.30 0.6 undecidable manual S 354 64.6908 50 0.68 38
IV.MOMA.HHZ. 2021-06-03T13:54:19.47 0.6 undecidable manual S 277 50.7159 50 0.56 41
IV.MF5.EHZ. 2021-06-03T13:54:15.02 0.6 undecidable manual S 40 34.3434 50 0.48 44
IV.CSP1.EHZ. 2021-06-03T13:54:15.33 0.6 undecidable manual S 2 37.9287 50 -0.16 47
IV.GUMA.HHZ. 2021-06-03T13:54:15.86 0.6 undecidable manual S 19 36.6411 50 0.71 40
IV.CESI.HHZ. 2021-06-03T13:54:14.88 0.6 undecidable manual S 321 36.5412 50 -0.23 46
IV.EL6.EHZ. 2021-06-03T13:54:14.21 0.3 undecidable manual P 354 64.6908 50 0.06 68
IV.TERO.HHZ. 2021-06-03T13:54:14.71 0.6 undecidable manual S 112 36.6411 50 -0.44 44
IV.FEMA.HNZ. 2021-06-03T13:54:12.04 0.6 undecidable manual S 334 26.1516 110 -0.2 47
IV.RM33.EHZ. 2021-06-03T13:54:12.37 0.6 undecidable manual S 176 26.8509 110 -0.1 48
IV.CAMP.HHZ. 2021-06-03T13:54:12.99 0.3 undecidable manual S 143 29.748 50 -0.32 68
IV.GAVE.EHZ. 2021-06-03T13:54:11.72 0.6 undecidable manual S 255 24.8529 111 -0.11 48
IV.MOMA.HHZ. 2021-06-03T13:54:11.95 0.3 undecidable manual P 277 50.7159 50 -0.06 70
IV.LNSS.HHZ. 2021-06-03T13:54:10.49 0.6 undecidable manual S 217 20.3685 115 0.1 49
IV.GUMA.HHZ. 2021-06-03T13:54:10.03 0.1 negative manual P 19 36.6411 50 0.19 93
IV.MTRA.HNZ. 2021-06-03T13:54:09.07 0.6 undecidable manual S 87 16.9719 120 -0.27 47
IV.TERO.HHZ. 2021-06-03T13:54:09.51 0.3 undecidable manual P 112 36.6411 50 -0.33 68
IV.MC2.EHZ. 2021-06-03T13:54:09.84 0.6 undecidable manual S 0 17.871 118 0.2 48
IV.MF5.EHZ. 2021-06-03T13:54:09.60 0.1 undecidable manual P 40 34.3434 50 0.12 95
IV.MMO1.EHZ. 2021-06-03T13:54:09.97 0.6 undecidable manual S 34 20.0688 116 -0.32 46
IV.CESI.HHZ. 2021-06-03T13:54:09.57 0.3 undecidable manual P 321 36.5412 50 -0.24 69
IV.SMA1.EHZ. 2021-06-03T13:54:09.76 0.6 undecidable manual S 138 17.871 118 0.14 48
IV.T1299.EHZ. 2021-06-03T13:54:09.37 0.3 undecidable manual S 149 14.9739 123 0.63 64
IV.CSP1.EHZ. 2021-06-03T13:54:09.69 0.1 undecidable manual P 2 37.9287 50 -0.34 90
IV.FEMA.HNZ. 2021-06-03T13:54:08.74 0.6 undecidable manual P 334 26.1516 110 0.58 43
IV.RM33.EHZ. 2021-06-03T13:54:08.09 0.1 undecidable manual P 176 26.8509 110 -0.2 94
IV.CAMP.HHZ. 2021-06-03T13:54:08.59 0.3 undecidable manual P 143 29.748 50 -0.19 70
IV.LNSS.HHZ. 2021-06-03T13:54:07.13 0.1 undecidable manual P 217 20.3685 115 0.04 98
IV.GAVE.EHZ. 2021-06-03T13:54:07.82 0.1 undecidable manual P 255 24.8529 111 -0.1 97
IV.NRCA.HNZ. 2021-06-03T13:54:07.16 0.6 undecidable manual S 327 11.0778 131 -0.51 45
IV.SMA1.EHZ. 2021-06-03T13:54:06.90 0.3 undecidable manual P 138 17.871 118 0.25 71
IV.T1299.EHZ. 2021-06-03T13:54:06.60 0.3 undecidable manual P 149 14.9739 123 0.46 68
IV.MTRA.HNZ. 2021-06-03T13:54:06.44 0.1 undecidable manual P 87 16.9719 120 -0.04 99
IV.MC2.EHZ. 2021-06-03T13:54:06.66 0.1 positive manual P 0 17.871 118 0 100
IV.MMO1.EHZ. 2021-06-03T13:54:06.85 0.1 positive manual P 34 20.0688 116 -0.18 96
IV.NRCA.HNZ. 2021-06-03T13:54:05.48 0.1 undecidable manual P 327 11.0778 131 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.8 0.0007725 0.08 AML other m 2021-06-03T13:54:07.25
IV.NRCA.HHN. ML:1.9 0.0009025000000000001 0.08 AML other m 2021-06-03T13:54:07.29
IV.NRCA.HNE. ML:2.1 0.0015049999999999998 0.1 AML other m 2021-06-03T13:54:07.44
IV.NRCA.HHE. ML:2.1 0.001685 0.1 AML other m 2021-06-03T13:54:07.44
IV.MTRA.EHN. ML:1.8 0.0005075 0.28 AML other m 2021-06-03T13:54:09.55
IV.MTRA.HNE. ML:1.9 0.0006495 0.2 AML other m 2021-06-03T13:54:09.69
IV.MTRA.EHE. ML:1.9 0.0006825 0.2 AML other m 2021-06-03T13:54:09.69
IV.MTRA.HNN. ML:1.8 0.0005254999999999999 1.28 AML other m 2021-06-03T13:54:10.05
IV.LNSS.HHE. ML:1.5 0.00023649999999999998 1.26 AML other m 2021-06-03T13:54:11.15
IV.LNSS.HHN. ML:1.6 0.0003285 0.14 AML other m 2021-06-03T13:54:11.20
IV.GAVE.EHN. ML:1.4 0.00014450000000000002 1 AML other m 2021-06-03T13:54:12.16
IV.GAVE.EHE. ML:1.5 0.0001805 0.34 AML other m 2021-06-03T13:54:13.76
IV.RM33.EHN. ML:1.2 0.00008795 1.58 AML other m 2021-06-03T13:54:13.91
IV.RM33.EHE. ML:1.2 0.00009485 0.16 AML other m 2021-06-03T13:54:13.96
IV.SMA1.EHE. ML:1.2 0.000121 1.48 AML other m 2021-06-03T13:54:13.98
IV.SMA1.EHN. ML:1.2 0.0001265 1.3 AML other m 2021-06-03T13:54:14.08
IV.CESI.HHE. ML:1.2 0.0000634 0.6 AML other m 2021-06-03T13:54:15.06
IV.CESI.HHN. ML:1.3 0.00008155000000000002 0.28 AML other m 2021-06-03T13:54:15.21
IV.CSP1.EHE. ML:1.8 0.0002145 1.7 AML other m 2021-06-03T13:54:15.11
IV.GUMA.HHE. ML:2.1 0.0004945 0.24 AML other m 2021-06-03T13:54:16.18
IV.CSP1.EHN. ML:1.8 0.000247 1.66 AML other m 2021-06-03T13:54:16.95
IV.GUMA.HHN. ML:2.0 0.00040050000000000003 0.2 AML other m 2021-06-03T13:54:17.01
IV.MOMA.HHN. ML:1.4 0.00006105 1.8 AML other m 2021-06-03T13:54:19.96
IV.MOMA.HHE. ML:1.4 0.00006819999999999999 1.74 AML other m 2021-06-03T13:54:20.94
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