Earthquake with magnitude of ML 0.8 on date 27-05-2020 and time 18:19:03 (Italy) in region 4 km W Amatrice (RI)

A magnitude ML 0.8 earthquake occured in region: 4 km W Amatrice (RI), on

  • 27-05-2020 16:19:03 (UTC)
  • 27-05-2020 18:19:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.64, 13.25 at 12 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
Amatrice RI 4 2657 2657
Accumoli RI 6 667 3324
Cittareale RI 8 482 3806
Montereale AQ 13 2581 6387
Campotosto AQ 14 542 6929
Capitignano AQ 14 665 7594
Arquata del Tronto AP 15 1178 8772
Borbona RI 17 617 9389
Posta RI 18 694 10083
Acquasanta Terme AP 19 2916 12999

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 0.8 2020-05-27
16:19:03
42.64 13.25 12 2020-05-27
16:30:01
Sala Sismica INGV-Roma 79626831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-27 16:19:03 ± 0.13
Latitude 42.64 ± 0.01
Longitude 13.25 ± 0.01
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79626831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 580
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 580
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.2698
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 79626831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-27 16:30:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2020-05-27T16:20:54.46 3.0 undecidable manual Sg 14.86 0
IV.CMPR.HHZ. 2020-05-27T16:20:36.56 3.0 undecidable manual Sg 13.18 0
IV.PZUN.HHZ. 2020-05-27T16:20:36.10 3.0 undecidable manual Sg 13.11 0
IX.STN3.HHZ.02 2020-05-27T16:20:24.70 3.0 undecidable manual Sn 1.53 0
CH.FUORN.HHZ. 2020-05-27T16:20:15.99 3.0 undecidable manual Pg 10.68 0
IV.IMI.HHZ. 2020-05-27T16:20:12.97 3.0 undecidable manual Pg 13.1 0
IV.MCRV.HHZ. 2020-05-27T16:20:10.47 3.0 undecidable manual Sn -2.25 0
IV.MTMR.HNZ. 2020-05-27T16:20:10.36 3.0 undecidable manual Sn 2.14 0
IV.SENA.HHZ. 2020-05-27T16:20:02.84 3.0 undecidable manual Pg 7.97 0
GU.RNCA.HHZ. 2020-05-27T16:20:01.85 3.0 undecidable manual Pg 8.91 0
IV.EUCT.HNZ. 2020-05-27T16:20:01.63 3.0 undecidable manual Pn 4.59 0
IV.LPEL.HHZ. 2020-05-27T16:19:36.91 3.0 undecidable manual Sg -0.8 0
TV.SF04.EHZ. 2020-05-27T16:19:32.40 3.0 undecidable manual Sn -2.94 0
IV.MELA.HHZ. 2020-05-27T16:19:30.11 3.0 undecidable manual Pn -1.72 0
IV.FIR.HHZ. 2020-05-27T16:19:28.23 3.0 positive manual Pg -0.3 0
IV.MC2.EHZ. 2020-05-27T16:19:14.16 0.6 undecidable manual S 351 0.2698 92 0.69 54
IV.TERO.HHZ. 2020-05-27T16:19:13.11 0.3 undecidable manual S 95 0.2626 92 -0.14 95
IV.NRCA.HHZ. 2020-05-27T16:19:11.52 0.3 undecidable manual S 333 0.2131 93 -0.26 93
IV.LNSS.HHZ. 2020-05-27T16:19:10.48 0.3 undecidable manual S 255 0.1583 96 0.31 93
IV.MTRA.EHZ. 2020-05-27T16:19:10.03 0.3 undecidable manual S 44 0.1565 96 -0.07 98
IV.TERO.HHZ. 2020-05-27T16:19:09.04 0.3 undecidable manual P 95 0.2626 92 0.12 95
IV.RM33.EHZ. 2020-05-27T16:19:09.28 0.3 undecidable manual S 190 0.1376 100 -0.28 94
IV.NRCA.HHZ. 2020-05-27T16:19:08.04 0.3 undecidable manual P 333 0.2131 93 -0.03 97
IV.MC2.EHZ. 2020-05-27T16:19:08.38 0.6 undecidable manual P 351 0.2698 92 -0.67 54
IV.SMA1.EHZ. 2020-05-27T16:19:07.95 0.3 undecidable manual S 102 0.0657 137 0.25 96
IV.MTRA.EHZ. 2020-05-27T16:19:07.27 0.3 undecidable manual P 44 0.1565 96 0.16 96
IV.T1299.HNZ. 2020-05-27T16:19:06.68 0.3 undecidable manual S 113 0.027 161 -0.43 92
IV.SMA1.EHZ. 2020-05-27T16:19:06.13 0.3 undecidable manual P 102 0.0657 137 0.41 93
IV.RM33.EHZ. 2020-05-27T16:19:06.82 0.3 undecidable manual P 190 0.1376 100 0.03 99
IV.LNSS.HHZ. 2020-05-27T16:19:06.88 0.3 undecidable manual P 255 0.1583 96 -0.27 94
IV.T1299.HNZ. 2020-05-27T16:19:05.48 0.3 undecidable manual P 113 0.027 161 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.6 0.00048586945 0.2176 AML other m 2020-05-27T16:19:08.36
IV.SMA1.EHN. ML:1 0.00013012605 0.1408 AML other m 2020-05-27T16:19:08.79
IV.RM33.HNE. ML:1 8.49972225E-5 0.128 AML other m 2020-05-27T16:19:09.86
IV.RM33.HNN. ML:0.8 5.808142E-5 0.128 AML other m 2020-05-27T16:19:09.59
IV.RM33.EHE. ML:0.8 5.659636E-5 0.1024 AML other m 2020-05-27T16:19:09.85
IV.RM33.EHN. ML:0.7 4.264788E-5 0.128 AML other m 2020-05-27T16:19:09.59
IV.LPEL.HHE. ML:1.3 1.89700345E-5 0.256 AML other m 2020-05-27T16:19:43.43
IV.LPEL.HHN. ML:1.5 3.199641E-5 0.192 AML other m 2020-05-27T16:19:43.89
IV.MTRA.EHE. ML:0.8 5.1789195E-5 0.1536 AML other m 2020-05-27T16:19:10.74
IV.MTRA.EHN. ML:0.8 5.721358E-5 0.1152 AML other m 2020-05-27T16:19:10.23
IV.MTRA.HNE. ML:0.8 4.358181E-5 0.1408 AML other m 2020-05-27T16:19:10.73
IV.MTRA.HNN. ML:0.8 5.6604115E-5 0.128 AML other m 2020-05-27T16:19:10.22
IV.TERO.HHE. ML:0.6 1.844182E-5 0.0896 AML other m 2020-05-27T16:19:13.46
IV.TERO.HHN. ML:0.6 2.04904E-5 0.1152 AML other m 2020-05-27T16:19:13.46
IV.TERO.HNE. ML:0.9 3.5547855E-5 0.1152 AML other m 2020-05-27T16:19:13.93
IV.TERO.HNN. ML:1 4.6521695E-5 0.2304 AML other m 2020-05-27T16:19:14.37
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download