Earthquake with magnitude of ML 1.1 on date 27-05-2020 and time 18:47:49 (Italy) in region 5 km SW Accumoli (RI)

A magnitude ML 1.1 earthquake occured in region: 5 km SW Accumoli (RI), on

  • 27-05-2020 16:47:49 (UTC)
  • 27-05-2020 18:47:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6590, 13.2060 at 14 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 5 667 667
Cittareale RI 6 482 1149
Amatrice RI 8 2657 3806
Arquata del Tronto AP 15 1178 4984
Montereale AQ 15 2581 7565
Cascia PG 17 3217 10782
Capitignano AQ 17 665 11447
Borbona RI 17 617 12064
Posta RI 17 694 12758
Norcia PG 18 4957 17715
Campotosto AQ 18 542 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
94 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
Reviewed
Rev100
ML 1.1 2020-05-27
16:47:49
42.659 13.2065 14 2020-05-27
17:18:42
Sala Sismica INGV-Roma 79627791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-27 16:47:49 ± 0.12
Latitude 42.6590 ± 0.0045
Longitude 13.2065 ± 0.0061
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79627791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 108
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29408
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 79627791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-27 17:18:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2020-05-27T16:49:21.38 3.0 undecidable manual Sg 25.49 0
IV.CAGR.HHZ. 2020-05-27T16:49:16.17 3.0 undecidable manual Pg 31.08 0
IV.MTMR.EHZ. 2020-05-27T16:49:12.03 3.0 undecidable manual Sg 19.879999 0
ST.RONC.EHZ. 2020-05-27T16:49:08.51 3.0 undecidable manual Sg 5.95 0
IV.ZONE.HHZ. 2020-05-27T16:49:03.61 3.0 undecidable manual Sg 2.22 0
IV.RESU.HHZ. 2020-05-27T16:48:44.78 3.0 undecidable manual Pn 1.29 0
IV.AMUR.HHZ. 2020-05-27T16:48:43.43 3.0 undecidable manual Pg 19.469999 0
IV.MRLC.HHZ. 2020-05-27T16:48:35.53 3.0 positive manual Pg 18.700001 0
CR.ZAG.BHZ. 2020-05-27T16:48:32.28 3.0 undecidable manual Pg 5.4 0
IV.SALB.HHZ. 2020-05-27T16:48:30.51 3.0 negative manual Pn 0.58 0
IV.PTCC.HHZ. 2020-05-27T16:48:25.24 3.0 negative manual Pg 3 0
IV.CADC.HNZ. 2020-05-27T16:48:23.38 3.0 positive manual Pg 8.93 0
CH.FUORN.HHZ. 2020-05-27T16:48:23.80 3.0 undecidable manual Pn -2.8 0
IV.CRTC.HHZ. 2020-05-27T16:48:23.38 3.0 undecidable manual Sg 0.55 0
IV.MCIV.CHZ. 2020-05-27T16:48:20.23 3.0 undecidable manual Sg 3 0
OT.OT05.EHZ. 2020-05-27T16:48:18.38 3.0 undecidable manual Pn 6.46 0
IV.POFI.HHZ. 2020-05-27T16:48:08.00 3.0 undecidable manual Pg 8.18 0
IV.ROSPO.HHZ. 2020-05-27T16:48:04.51 3.0 positive manual Pn -0.21 0
IV.SBPO.HNZ. 2020-05-27T16:48:01.70 3.0 positive manual Pn -6 0
IV.TERO.HHZ. 2020-05-27T16:48:00.03 0.6 undecidable manual S 97 32.6451 98 -0.34 45
IV.MMO1.HNE. 2020-05-27T16:47:59.42 0.3 undecidable manual S 20 28.3494 100 0.18 71
IV.SRES.HHZ. 2020-05-27T16:47:56.11 3.0 negative manual Pn 2.44 0
IV.MTRA.EHZ. 2020-05-27T16:47:56.48 0.6 undecidable manual S 55 18.87 110 -0.31 47
IV.NRCA.HNE. 2020-05-27T16:47:56.72 0.6 undecidable manual S 339 20.7681 107 -0.54 44
IV.TERO.HHZ. 2020-05-27T16:47:55.55 0.1 undecidable manual P 97 32.6451 98 -0.08 95
IV.RM33.EHZ. 2020-05-27T16:47:55.99 0.6 undecidable manual S 178 16.6722 114 -0.24 47
IV.MMO1.HNE. 2020-05-27T16:47:55.07 0.1 undecidable manual P 20 28.3494 100 0.09 96
IV.LNSS.HHZ. 2020-05-27T16:47:55.59 0.6 undecidable manual S 245 14.9739 119 -0.23 48
IV.SMA1.EHZ. 2020-05-27T16:47:54.88 0.6 undecidable manual S 107 10.9779 131 -0.07 50
IV.CAMP.HHZ. 2020-05-27T16:47:54.39 3.0 undecidable manual P 0
IV.LNSS.HHZ. 2020-05-27T16:47:53.13 0.1 undecidable manual P 245 14.9739 119 0.13 98
IV.RM33.EHZ. 2020-05-27T16:47:53.36 0.1 positive manual P 178 16.6722 114 0.12 98
IV.MTRA.EHZ. 2020-05-27T16:47:53.65 0.6 undecidable manual P 55 18.87 110 0.09 49
IV.NRCA.HNE. 2020-05-27T16:47:53.92 0.1 undecidable manual P 339 20.7681 107 0.09 97
IV.SMA1.EHZ. 2020-05-27T16:47:52.69 0.1 undecidable manual P 107 10.9779 131 0.19 97
IV.BRSN.EHZ. 2020-05-27T16:47:52.94 3.0 negative manual P -5.85 0
IV.T1299.EHZ. 2020-05-27T16:47:52.16 0.1 undecidable manual P 114 6.7932 147 0.09 100
IV.ARVD.HHZ. 2020-05-27T16:47:50.80 3.0 negative manual P -3.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.2 0.000147 0.26 AML other m 2020-05-27T16:47:55.44
IV.LNSS.HHN. ML:1.1 0.00009900000000000001 0.4 AML other m 2020-05-27T16:47:55.97
IV.SMA1.EHN. ML:0.9 0.00008384999999999999 1.06 AML other m 2020-05-27T16:47:55.99
IV.RM33.EHE. ML:1.0 0.00008655 0.88 AML other m 2020-05-27T16:47:56.61
IV.LNSS.HHE. ML:1.1 0.0000935 0.32 AML other m 2020-05-27T16:47:56.20
IV.RM33.EHN. ML:1.2 0.000129 0.24 AML other m 2020-05-27T16:47:56.28
IV.MTRA.EHN. ML:1.1 0.00008245 0.58 AML other m 2020-05-27T16:47:56.70
IV.MTRA.EHE. ML:1.1 0.00008325 0.48 AML other m 2020-05-27T16:47:56.88
IV.TERO.HHN. ML:1.2 0.00006505 0.06 AML other m 2020-05-27T16:48:00.17
IV.TERO.HHE. ML:0.9 0.0000303 0.06 AML other m 2020-05-27T16:48:00.20
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