Earthquake with magnitude of ML 1.0 on date 20-04-2022 and time 06:36:44 (UTC) in region 6 km E Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 6 km E Amatrice (RI), on

  • 20-04-2022 06:36:44 (UTC)
  • 20-04-2022 08:36:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6470, 13.3590 at 13 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 6 2657 2657
Campotosto AQ 10 542 3199
Accumoli RI 11 667 3866
Cortino TE 13 656 4522
Acquasanta Terme AP 14 2916 7438
Rocca Santa Maria TE 15 537 7975
Capitignano AQ 15 665 8640
Crognaleto TE 15 1297 9937
Arquata del Tronto AP 15 1178 11115
Valle Castellana TE 15 977 12092
Montereale AQ 16 2581 14673
Cittareale RI 17 482 15155
Fano Adriano TE 18 296 15451

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Teramo (54892 inhabitants)
33 Km N of L'Aquila (69753 inhabitants)
59 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
73 Km W of Pescara (121014 inhabitants)
74 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 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 2022-04-20
06:36:44
42.6472 13.3592 13 2022-04-20
06:46:54
Sala Sismica INGV-Roma 103512201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-20 06:36:44 ± 0.1
Latitude 42.6472 ± 0.0045
Longitude 13.3592 ± 0.0073
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103512201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 419
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.29228
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:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 103512201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-20 06:46:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2022-04-20T06:36:56.08 0.3 undecidable manual S 335 32.4453 95 0.17 71
IV.NRCA.HHZ. 2022-04-20T06:36:54.70 0.3 undecidable manual S 316 28.749 96 -0.23 71
IV.MMO1.EHZ. 2022-04-20T06:36:54.93 0.3 undecidable manual S 355 28.1496 97 0.17 72
IV.RM33.EHZ. 2022-04-20T06:36:52.37 0.3 undecidable manual S 218 19.3695 104 -0.09 75
IV.TERO.HHZ. 2022-04-20T06:36:52.41 0.3 undecidable manual S 98 20.1687 103 -0.25 71
IV.MC2.EHZ. 2022-04-20T06:36:51.22 0.1 undecidable manual P 335 32.4453 95 0.02 98
IV.NRCA.HHZ. 2022-04-20T06:36:50.49 0.1 undecidable manual P 316 28.749 96 -0.15 97
7F.SIB1.EHZ. 2022-04-20T06:36:50.73 0.1 undecidable manual P 345 28.4493 96 0.14 96
IV.MMO1.EHZ. 2022-04-20T06:36:50.65 0.1 undecidable manual P 355 28.1496 97 0.11 97
IV.MTRA.HNZ. 2022-04-20T06:36:50.71 0.3 undecidable manual S 14 12.5763 121 -0.06 75
IV.RM33.EHZ. 2022-04-20T06:36:49.21 0.3 positive manual P 218 19.3695 104 0 75
7F.SIB3.EHZ. 2022-04-20T06:36:49.85 0.1 undecidable manual P 344 26.3514 97 -0.41 91
IV.TERO.HHZ. 2022-04-20T06:36:49.53 0.1 undecidable manual P 98 20.1687 103 0.2 97
IV.SMA1.EHZ. 2022-04-20T06:36:49.01 0.3 undecidable manual S 227 2.6973 165 -0.16 74
IV.MTRA.HNZ. 2022-04-20T06:36:48.35 0.1 undecidable manual P 14 12.5763 121 0.12 100
IV.SMA1.EHZ. 2022-04-20T06:36:47.57 0.1 undecidable manual P 227 2.6973 165 0.26 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.2 0.0002266461 0.0608 AML other m 2022-04-20T06:36:49.32
IV.SMA1.EHE. ML:1.1 0.00018939220000000002 0.08 AML other m 2022-04-20T06:36:49.45
IV.RM33.HNE. ML:1.8 0.00039815345000000004 0.3104 AML other m 2022-04-20T06:37:00.71
IV.RM33.HNN. ML:1.6 0.00029796429999999995 0.3584 AML other m 2022-04-20T06:37:00.74
IV.RM33.EHE. ML:0.8 0.000039200115 0.1408 AML other m 2022-04-20T06:36:52.67
IV.RM33.EHN. ML:0.6 0.000025867044999999998 0.08 AML other m 2022-04-20T06:36:52.85
IV.TERO.HHE. ML:0.8 0.0000399278 0.08 AML other m 2022-04-20T06:36:52.65
IV.TERO.HHN. ML:0.8 0.000046154575000000005 0.0608 AML other m 2022-04-20T06:36:52.66
IV.NRCA.HNE. ML:1.2 0.000079981435 0.4128 AML other m 2022-04-20T06:36:51.28
IV.NRCA.HNN. ML:1.7 0.00022585885 0.7808 AML other m 2022-04-20T06:36:51.53
IV.NRCA.HHE. ML:1.0 0.00004921163 0.16 AML other m 2022-04-20T06:36:55.58
IV.NRCA.HHN. ML:0.9 0.000034353060000000005 0.1408 AML other m 2022-04-20T06:36:55.75
IV.MMO1.EHE. ML:0.8 0.00003214222 0.1024 AML other m 2022-04-20T06:36:56.08
IV.MMO1.EHN. ML:1.1 0.00006636615 0.2624 AML other m 2022-04-20T06:36:55.24
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download