Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 02-09-2020 and time 07:02:11 (UTC) in region 1 km NE Amatrice (RI)

A magnitude ML 0.8 earthquake occured in region: 1 km NE Amatrice (RI), on

  • 02-09-2020 07:02:11 (UTC)
  • 02-09-2020 09:02:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6390, 13.2950 at 7 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.

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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
Amatrice RI 1 2657 2657
Accumoli RI 7 667 3324
Campotosto AQ 11 542 3866
Cittareale RI 11 482 4348
Capitignano AQ 13 665 5013
Montereale AQ 13 2581 7594
Arquata del Tronto AP 15 1178 8772
Acquasanta Terme AP 17 2916 11688
Cortino TE 18 656 12344
Crognaleto TE 18 1297 13641
Borbona RI 19 617 14258
Rocca Santa Maria TE 20 537 14795
Valle Castellana TE 20 977 15772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
90 Km SE of Perugia (166134 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 0.8 2020-09-02
07:02:11		 42.6388 13.2947 7 2020-09-02
07:06:19		 Sala Sismica INGV-Roma 82555521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-02 07:02:11 ± 0.08
Latitude 42.6388 ± 0.0027
Longitude 13.2947 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82555521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 55
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 41
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00989
Epicentral distance of station farthest from the epicenter (degree) 0.29947
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 82555521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-02 07:06:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2020-09-02T07:02:22.67 0.6 undecidable manual S 280 33.2445 102 -0.42 44
IV.NRCA.HHZ. 2020-09-02T07:02:20.82 0.6 undecidable manual S 326 26.1516 105 0.12 47
IV.TERO.HHZ. 2020-09-02T07:02:20.09 0.6 undecidable manual S 94 25.2525 105 -0.33 45
IV.GAVE.EHZ. 2020-09-02T07:02:18.04 1.0 undecidable manual P 280 33.2445 102 -0.07 24
IV.RM33.EHZ. 2020-09-02T07:02:17.44 0.6 undecidable manual S 204 15.873 114 0.12 48
IV.GIGS.HHE. 2020-09-02T07:02:17.71 0.1 undecidable manual P 132 30.6471 103 0.09 95
IV.MTRA.EHZ. 2020-09-02T07:02:17.26 0.6 undecidable manual S 32 15.4734 114 0.05 49
IV.TERO.HHZ. 2020-09-02T07:02:16.41 0.1 positive manual P 94 25.2525 105 -0.16 94
IV.NRCA.HHZ. 2020-09-02T07:02:16.76 0.1 undecidable manual P 326 26.1516 105 0.03 97
IV.CAMP.HHE. 2020-09-02T07:02:16.96 0.6 undecidable manual S 141 14.7741 115 -0.02 49
IV.SMA1.EHZ. 2020-09-02T07:02:14.03 0.6 undecidable manual S 106 3.3966 154 0.01 50
IV.RM33.EHZ. 2020-09-02T07:02:14.91 0.6 positive manual P 204 15.873 114 0.13 48
IV.MTRA.EHZ. 2020-09-02T07:02:14.81 0.1 undecidable manual P 32 15.4734 114 0.09 97
IV.CAMP.HHE. 2020-09-02T07:02:14.57 0.1 undecidable manual P 141 14.7741 115 -0.02 99
IV.SMA1.EHZ. 2020-09-02T07:02:13.05 0.1 undecidable manual P 106 3.3966 154 0.17 97
IV.T1299.HNE. 2020-09-02T07:02:13.52 0.6 undecidable manual S 243 1.0989 171 -0.25 48
IV.T1299.HNE. 2020-09-02T07:02:12.80 0.1 undecidable manual P 243 1.0989 171 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:0.8 0.00006055000000000001 0.3 AML other m 2020-09-02T07:02:17.75
IV.RM33.EHN. ML:0.8 0.00007245 0.64 AML other m 2020-09-02T07:02:17.53
IV.TERO.HHN. ML:1.2 0.00008715 0.28 AML other m 2020-09-02T07:02:20.26
IV.TERO.HHE. ML:1.0 0.000058150000000000004 0.32 AML other m 2020-09-02T07:02:20.35
IV.NRCA.HHE. ML:0.7 0.00003065 0.12 AML other m 2020-09-02T07:02:20.97
IV.NRCA.HHN. ML:0.6 0.00002565 0.84 AML other m 2020-09-02T07:02:21.97
IV.GAVE.EHN. ML:0.8 0.000025849999999999998 0.58 AML other m 2020-09-02T07:02:23.28
IV.GAVE.EHE. ML:0.8 0.00003155 0.18 AML other m 2020-09-02T07:02:23.53
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