Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 27-05-2020 and time 18:06:13 (UTC) in region 5 km SW Accumoli (RI)

A magnitude ML 1.7 earthquake occured in region: 5 km SW Accumoli (RI), on

  • 27-05-2020 18:06:13 (UTC)
  • 27-05-2020 20:06:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6550, 13.2140 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
Accumoli RI 5 667 667
Cittareale RI 6 482 1149
Amatrice RI 7 2657 3806
Montereale AQ 15 2581 6387
Arquata del Tronto AP 15 1178 7565
Capitignano AQ 17 665 8230
Campotosto AQ 17 542 8772
Borbona RI 17 617 9389
Posta RI 17 694 10083
Cascia PG 18 3217 13300
Norcia PG 18 4957 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
85 Km W of Pescara (121014 inhabitants)
85 Km W of Chieti (51815 inhabitants)
95 Km E of Viterbo (67173 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 1.7 2020-05-27
18:06:13		 42.6552 13.2138 10 2020-11-19
12:36:50		 Bollettino Sismico Italiano INGV 80645551
Reviewed
Rev100 		ML 1.7 2020-05-27
18:06:13		 42.6623 13.2012 10 2020-05-27
18:15:03		 Sala Sismica INGV-Roma 79628471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-27 18:06:13 ± 0.06
Latitude 42.6552 ± 0.0036
Longitude 13.2138 ± 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 80645551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 429
Semi-minor axis of confidence ellipse (meter) 354
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67899
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 35
Type of magnitude ML
Reference to an origin 80645551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-30 10:33:19

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 79628471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-27 18:15:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2020-05-27T18:06:37.48 0.6 undecidable manual S 322 75.0693 50 0.96 33
IV.ASSB.HHZ. 2020-05-27T18:06:33.68 0.6 undecidable manual S 314 62.2932 50 0.55 41
IV.ATTE.HHZ. 2020-05-27T18:06:31.16 3.0 undecidable manual P 0
IV.MOMA.HHZ. 2020-05-27T18:06:31.64 0.6 undecidable manual S 288 55.0005 50 0.47 42
IV.MML1.HNE. 2020-05-27T18:06:31.46 0.6 undecidable manual S 339 54.501 50 0.42 43
IV.CSP1.EHZ. 2020-05-27T18:06:29.61 0.6 undecidable manual S 359 48.4182 50 0.19 45
IV.FDMO.HHZ. 2020-05-27T18:06:28.05 0.6 undecidable manual S 346 43.5231 50 -0.06 47
IV.CESI.HHZ. 2020-05-27T18:06:28.65 0.6 undecidable manual S 327 46.2204 50 -0.18 46
IV.ATCC.EHZ. 2020-05-27T18:06:27.78 0.6 undecidable manual P 322 75.0693 50 0.83 35
IV.FIAM.HNN. 2020-05-27T18:06:27.88 0.6 undecidable manual S 190 43.623 50 -0.26 45
IV.EL6.EHZ. 2020-05-27T18:06:26.95 0.6 undecidable manual P 353 75.369 50 -0.05 44
IV.ASSB.HHZ. 2020-05-27T18:06:25.12 0.6 undecidable manual P 314 62.2932 50 0.12 45
IV.VCEL.EHN. 2020-05-27T18:06:25.19 0.6 undecidable manual P 119 58.7967 50 0.74 38
IV.MML1.HNE. 2020-05-27T18:06:24.20 0.6 undecidable manual P 339 54.501 50 0.41 43
IV.SAP2.EHE. 2020-05-27T18:06:24.00 0.6 undecidable manual P 17 51.2154 50 0.71 39
IV.MC2.EHZ. 2020-05-27T18:06:24.05 0.6 undecidable manual S 356 28.4493 50 -0.04 49
IV.TERO.HHN. 2020-05-27T18:06:24.66 0.3 undecidable manual S 96 32.0457 50 -0.38 67
IV.MOMA.HHZ. 2020-05-27T18:06:23.80 0.3 undecidable manual P 288 55.0005 50 -0.06 69
IV.PF6.EHN. 2020-05-27T18:06:23.41 0.6 undecidable manual P 358 53.6019 50 -0.23 45
IV.MMO1.EHZ. 2020-05-27T18:06:23.87 0.6 undecidable manual S 19 28.6491 50 -0.25 46
IV.CSP1.EHZ. 2020-05-27T18:06:22.75 0.6 undecidable manual P 359 48.4182 50 -0.1 46
IV.CESI.HHZ. 2020-05-27T18:06:22.24 0.6 undecidable manual P 327 46.2204 50 -0.28 45
IV.GUMA.HHZ. 2020-05-27T18:06:22.79 3.0 undecidable manual P 0.43 0
IV.MNTT.EHZ. 2020-05-27T18:06:22.33 3.0 positive manual P 54.8007 -1.5 0
IV.CESX.HHE. 2020-05-27T18:06:22.96 0.6 undecidable manual P 264 51.4152 50 -0.36 44
IV.NRCA.HNZ. 2020-05-27T18:06:21.51 0.6 undecidable manual S 338 21.3675 116 -0.63 42
IV.FDMO.HHZ. 2020-05-27T18:06:21.83 0.3 undecidable manual P 346 43.5231 50 -0.27 68
IV.CAMP.HHZ. 2020-05-27T18:06:21.76 0.6 undecidable manual S 130 20.7681 117 -0.17 48
IV.MTRA.HNZ. 2020-05-27T18:06:21.06 0.3 undecidable manual S 53 18.6702 119 -0.25 71
IV.FIAM.HNN. 2020-05-27T18:06:21.98 0.6 undecidable manual P 190 43.623 50 -0.14 46
IV.TERO.HHN. 2020-05-27T18:06:20.08 0.3 undecidable manual P 96 32.0457 50 -0.25 69
IV.LNSS.HHZ. 2020-05-27T18:06:20.05 0.6 undecidable manual S 248 15.2736 124 -0.26 47
IV.ARRO.EHZ. 2020-05-27T18:06:20.86 0.1 positive manual P 257 37.5291 50 -0.32 90
IV.FEMA.HNE. 2020-05-27T18:06:20.69 0.6 undecidable manual P 339 36.5412 50 -0.33 45
IV.RM33.EHZ. 2020-05-27T18:06:20.54 0.3 undecidable manual S 180 16.1727 123 -0.04 74
IV.SMA1.EHZ. 2020-05-27T18:06:19.41 0.6 undecidable manual S 105 10.2786 135 0.44 46
IV.MC2.EHZ. 2020-05-27T18:06:19.70 0.3 undecidable manual P 356 28.4493 50 -0.08 72
IV.MMO1.EHZ. 2020-05-27T18:06:19.63 0.6 undecidable manual P 19 28.6491 50 -0.17 47
IV.MTRA.HNZ. 2020-05-27T18:06:18.14 0.1 positive manual P 53 18.6702 119 -0.03 99
IV.NRCA.HNZ. 2020-05-27T18:06:18.36 0.3 undecidable manual P 338 21.3675 116 -0.29 70
IV.CAMP.HHZ. 2020-05-27T18:06:18.58 0.6 undecidable manual P 130 20.7681 117 0.04 49
IV.SMA1.EHZ. 2020-05-27T18:06:17.24 0.1 positive manual P 105 10.2786 135 0.42 93
IV.LNSS.HHZ. 2020-05-27T18:06:17.59 0.1 positive manual P 248 15.2736 124 -0.01 100
IV.RM33.EHZ. 2020-05-27T18:06:17.84 0.1 positive manual P 180 16.1727 123 0.09 98
IV.T1299.HNN. 2020-05-27T18:06:16.71 0.3 undecidable manual P 113 5.994 150 0.41 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.7 0.00060507545 0.3456 AML other m 2020-05-27T18:06:20.52
IV.SMA1.EHE. ML:2.1 0.001399752 0.2688 AML other m 2020-05-27T18:06:19.99
IV.LNSS.HNE. ML:1.7 0.00046767784999999997 0.2048 AML other m 2020-05-27T18:06:20.74
IV.LNSS.HNN. ML:1.7 0.00050711445 0.1792 AML other m 2020-05-27T18:06:20.51
IV.LNSS.HHE. ML:1.7 0.00047417710000000003 0.192 AML other m 2020-05-27T18:06:20.74
IV.LNSS.HHN. ML:1.7 0.0005241342 0.1792 AML other m 2020-05-27T18:06:20.50
IV.RM33.EHN. ML:2.0 0.0008937714 0.2432 AML other m 2020-05-27T18:06:20.83
IV.RM33.HNN. ML:2.0 0.0008915955499999999 0.2304 AML other m 2020-05-27T18:06:20.82
IV.RM33.EHE. ML:1.7 0.00047757385 0.1152 AML other m 2020-05-27T18:06:21.11
IV.RM33.HNE. ML:1.7 0.00048616975 0.128 AML other m 2020-05-27T18:06:21.17
IV.MTRA.HNE. ML:1.8 0.00045273375000000007 0.2688 AML other m 2020-05-27T18:06:22.39
IV.MTRA.EHN. ML:2.0 0.0007914856 0.1664 AML other m 2020-05-27T18:06:21.24
IV.MTRA.HNN. ML:2.0 0.0007920633500000001 0.1536 AML other m 2020-05-27T18:06:21.22
IV.MTRA.EHE. ML:1.8 0.00045048144999999996 0.2816 AML other m 2020-05-27T18:06:22.41
IV.NRCA.HHN. ML:1.9 0.0005294710999999999 0.0512 AML other m 2020-05-27T18:06:21.70
IV.NRCA.HNN. ML:1.9 0.000510986 0.0768 AML other m 2020-05-27T18:06:21.75
IV.NRCA.HHE. ML:2.1 0.0009366838499999999 0.1024 AML other m 2020-05-27T18:06:22.14
IV.NRCA.HNE. ML:2.1 0.0008437754500000001 0.1024 AML other m 2020-05-27T18:06:22.15
IV.ARRO.EHN. ML:1.2 0.000056955005 0.1408 AML other m 2020-05-27T18:06:28.35
IV.ARRO.EHE. ML:1.3 0.000080388445 0.1792 AML other m 2020-05-27T18:06:27.97
IV.FDMO.HHN. ML:1.2 0.00004780921 0.1792 AML other m 2020-05-27T18:06:29.54
IV.FDMO.HHE. ML:1.3 0.00006721017 0.2816 AML other m 2020-05-27T18:06:29.52
IV.CESI.HHE. ML:1.1 0.00003597259 0.1536 AML other m 2020-05-27T18:06:29.24
IV.CESI.HHN. ML:1.4 0.00006929804 0.192 AML other m 2020-05-27T18:06:31.26
IV.CSP1.EHE. ML:1.5 0.00008429810999999999 0.1152 AML other m 2020-05-27T18:06:31.22
IV.CSP1.EHN. ML:1.6 0.00011708525 0.3328 AML other m 2020-05-27T18:06:30.57
IV.GUMA.HHE. ML:2.1 0.0003556644 0.32 AML other m 2020-05-27T18:06:30.12
IV.GUMA.HNN. ML:2.0 0.00031997175 0.3712 AML other m 2020-05-27T18:06:30.41
IV.GUMA.HHN. ML:2.0 0.00032260465000000005 0.4224 AML other m 2020-05-27T18:06:30.44
IV.GUMA.HNE. ML:2.0 0.00029472375000000003 0.2816 AML other m 2020-05-27T18:06:30.10
IV.MOMA.HHN. ML:1.4 0.000053577655000000004 0.2048 AML other m 2020-05-27T18:06:33.68
IV.MOMA.HHE. ML:1.4 0.00006615616 0.1536 AML other m 2020-05-27T18:06:32.80
IV.MOMA.HNE. ML:1.6 0.00009927094 0.6656 AML other m 2020-05-27T18:06:25.59
IV.ASSB.HHE. ML:1.2 0.00003158967 0.1792 AML other m 2020-05-27T18:06:34.74
IV.ASSB.HHN. ML:1.2 0.000031772974999999994 0.2688 AML other m 2020-05-27T18:06:33.85
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