Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 01-08-2022 and time 03:53:07 (UTC) in region 4 km E Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 4 km E Amatrice (RI), on

  • 01-08-2022 03:53:07 (UTC)
  • 01-08-2022 05:53:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6300, 13.3340 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Campotosto AQ 9 542 3199
Accumoli RI 10 667 3866
Capitignano AQ 12 665 4531
Montereale AQ 14 2581 7112
Cortino TE 14 656 7768
Cittareale RI 14 482 8250
Crognaleto TE 15 1297 9547
Arquata del Tronto AP 16 1178 10725
Acquasanta Terme AP 17 2916 13641
Rocca Santa Maria TE 17 537 14178
Valle Castellana TE 18 977 15155
Fano Adriano TE 19 296 15451

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Teramo (54892 inhabitants)
31 Km N of L'Aquila (69753 inhabitants)
57 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
74 Km W of Pescara (121014 inhabitants)
75 Km W of Chieti (51815 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
94 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 1.0 2022-08-01
03:53:07		 42.6303 13.3342 11 2022-08-01
04:18:14		 Sala Sismica INGV-Roma 107954761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-01 03:53:07 ± 0.07
Latitude 42.6303 ± 0.0018
Longitude 13.3342 ± 0.0049
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 107954761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00090
Epicentral distance of station farthest from the epicenter (degree) 0.26890
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 107954761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-01 04:18:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2022-08-01T03:53:17.67 0.6 undecidable manual S 359 29.8479 90 0.17 48
IV.NRCA.HHZ. 2022-08-01T03:53:16.92 0.6 undecidable manual S 322 28.749 90 -0.3 47
IV.GIGS.HHZ. 2022-08-01T03:53:16.66 0.1 undecidable manual S 135 27.6501 90 -0.27 94
IV.TERO.HHZ. 2022-08-01T03:53:15.29 0.6 undecidable manual S 92 22.0668 90 -0.13 49
IV.RM33.EHZ. 2022-08-01T03:53:13.84 0.6 undecidable manual S 216 16.6722 90 -0.14 50
IV.MMO1.EHZ. 2022-08-01T03:53:13.17 0.1 undecidable manual P 359 29.8479 90 0.08 98
IV.MTRA.EHZ. 2022-08-01T03:53:13.41 0.6 undecidable manual S 20 14.874 90 -0.1 50
IV.NRCA.HHZ. 2022-08-01T03:53:12.87 0.1 undecidable manual P 322 28.749 90 -0.06 99
IV.GIGS.HHZ. 2022-08-01T03:53:12.55 0.3 undecidable manual P 135 27.6501 90 -0.22 71
IV.TERO.HHZ. 2022-08-01T03:53:12.07 0.1 undecidable manual P 92 22.0668 90 0.18 98
IV.RM33.EHZ. 2022-08-01T03:53:11.20 0.1 undecidable manual P 216 16.6722 90 0.14 99
IV.MTRA.EHZ. 2022-08-01T03:53:10.92 0.1 undecidable manual P 20 14.874 90 0.13 100
IV.SMA1.EHZ. 2022-08-01T03:53:10.76 0.6 undecidable manual S 83 0.0999 179 -0.17 51
IV.SMA1.EHZ. 2022-08-01T03:53:09.70 0.1 undecidable manual P 83 0.0999 179 0.4 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.8 0.0001095 0.08 AML other m 2022-08-01T03:53:11.25
IV.SMA1.EHE. ML:1.1 0.000217 0.4 AML other m 2022-08-01T03:53:11.30
IV.MTRA.EHE. ML:1.2 0.0001325 0.44 AML other m 2022-08-01T03:53:13.51
IV.MTRA.EHN. ML:1.1 0.0001095 0.1 AML other m 2022-08-01T03:53:13.59
IV.RM33.EHN. ML:0.8 0.00006205 1.82 AML other m 2022-08-01T03:53:14.98
IV.RM33.EHE. ML:1.0 0.00008474999999999999 0.18 AML other m 2022-08-01T03:53:14.27
IV.TERO.HHN. ML:1.0 0.00006665000000000001 0.34 AML other m 2022-08-01T03:53:15.58
IV.TERO.HHE. ML:1.0 0.000060450000000000006 0.14 AML other m 2022-08-01T03:53:15.54
IV.NRCA.HHE. ML:1.0 0.00004485 0.16 AML other m 2022-08-01T03:53:17.34
IV.NRCA.HHN. ML:0.8 0.000032349999999999994 1.42 AML other m 2022-08-01T03:53:18.16
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