Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 11-01-2022 and time 19:48:11 (UTC) in region 5 km E Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 5 km E Accumoli (RI), on

  • 11-01-2022 19:48:11 (UTC)
  • 11-01-2022 20:48:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6750, 13.3020 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 5 2657 2657
Accumoli RI 5 667 3324
Arquata del Tronto AP 11 1178 4502
Cittareale RI 13 482 4984
Acquasanta Terme AP 14 2916 7900
Campotosto AQ 14 542 8442
Capitignano AQ 17 665 9107
Montereale AQ 17 2581 11688
Valle Castellana TE 17 977 12665
Cortino TE 18 656 13321
Rocca Santa Maria TE 19 537 13858
Montegallo AP 19 523 14381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
37 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
89 Km NE of Tivoli (56533 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
Bulletin
Rev1000 		ML 1.4 2022-01-11
19:48:11		 42.6747 13.3022 10 2022-07-08
12:33:38		 Bollettino Sismico Italiano INGV 102498291
Reviewed
Rev100 		ML 1.6 2022-01-11
19:48:11		 42.6758 13.3063 12 2022-01-11
19:53:15		 Sala Sismica INGV-Roma 99657281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-11 19:48:11 ± 0.08
Latitude 42.6747 ± 0.0036
Longitude 13.3022 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 102498291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 433
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
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) 63
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.55218
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 99657281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-11 19:53:15

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 102498291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-28 14:08:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HNZ. 2022-01-11T19:48:31.10 0.3 undecidable manual S 284 61.2942 50 0.71 58
IV.CSP1.EHZ. 2022-01-11T19:48:26.40 0.3 undecidable manual S 350 46.9197 50 -0.16 70
IV.FIAM.HNN. 2022-01-11T19:48:26.40 0.3 undecidable manual S 199 47.619 50 -0.32 67
IV.MF5.EHZ. 2022-01-11T19:48:24.41 0.3 undecidable manual S 20 37.0296 50 0.5 66
IV.MOMA.HNZ. 2022-01-11T19:48:22.56 0.6 undecidable manual P 284 61.2942 50 0.23 45
IV.MC2.EHZ. 2022-01-11T19:48:21.40 0.3 undecidable manual S 341 27.8499 50 -0.05 74
IV.MMO1.EHZ. 2022-01-11T19:48:20.40 0.3 undecidable manual S 5 25.0527 112 -0.26 71
IV.TERO.HHZ. 2022-01-11T19:48:20.25 0.3 undecidable manual S 103 25.2525 112 -0.5 67
IV.LNSS.HHZ. 2022-01-11T19:48:19.80 0.3 undecidable manual S 250 22.755 114 -0.16 73
IV.FIAM.HNN. 2022-01-11T19:48:19.84 0.6 undecidable manual P 199 47.619 50 -0.37 44
IV.CSP1.EHZ. 2022-01-11T19:48:19.82 0.3 undecidable manual P 350 46.9197 50 -0.29 68
IV.NRCA.HHZ. 2022-01-11T19:48:19.70 0.3 undecidable manual S 319 23.3544 113 -0.43 69
IV.MF5.EHZ. 2022-01-11T19:48:18.93 0.3 undecidable manual P 20 37.0296 50 0.34 68
IV.CAMP.HHZ. 2022-01-11T19:48:18.20 0.3 undecidable manual S 150 17.6712 119 -0.17 73
IV.MC2.EHZ. 2022-01-11T19:48:17.10 0.1 undecidable manual P 341 27.8499 50 -0.07 98
IV.TERO.HHZ. 2022-01-11T19:48:16.51 0.1 undecidable manual P 103 25.2525 112 -0.26 95
IV.NRCA.HHZ. 2022-01-11T19:48:16.28 0.1 undecidable manual P 319 23.3544 113 -0.12 98
IV.LNSS.HHZ. 2022-01-11T19:48:16.30 0.1 positive manual P 250 22.755 114 -0.01 100
IV.MMO1.EHZ. 2022-01-11T19:48:16.65 0.1 negative manual P 5 25.0527 112 -0.07 98
IV.MTRA.HNZ. 2022-01-11T19:48:16.80 0.3 undecidable manual S 40 11.877 130 0.08 75
IV.SMA1.EHZ. 2022-01-11T19:48:15.82 0.3 undecidable manual S 151 5.5944 151 0.53 69
IV.CAMP.HHZ. 2022-01-11T19:48:15.55 0.3 undecidable manual P 150 17.6712 119 0.15 73
IV.MTRA.HNZ. 2022-01-11T19:48:14.73 0.1 negative manual P 40 11.877 130 0.29 96
IV.SMA1.EHZ. 2022-01-11T19:48:14.10 0.1 undecidable manual P 151 5.5944 151 0.49 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.2 0.00026528418 1.8464 AML other m 2022-01-11T19:48:15.03
IV.SMA1.EHN. ML:1.2 0.0002575192 0.1408 AML other m 2022-01-11T19:48:16.12
IV.MTRA.HNE. ML:1.5 0.00036520039999999996 0.1536 AML other m 2022-01-11T19:48:17.29
IV.MTRA.EHE. ML:1.5 0.00036663325000000003 0.1536 AML other m 2022-01-11T19:48:17.29
IV.MTRA.HNN. ML:1.4 0.00027777335000000005 0.1664 AML other m 2022-01-11T19:48:18.09
IV.MTRA.EHN. ML:1.4 0.0002534287 0.1152 AML other m 2022-01-11T19:48:17.35
IV.CAMP.HHE. ML:1.2 0.000142178115 0.1792 AML other m 2022-01-11T19:48:18.58
IV.LNSS.HHE. ML:1.8 0.00036992024999999996 0.1792 AML other m 2022-01-11T19:48:20.03
IV.LNSS.HNE. ML:1.7 0.00035127920000000004 0.192 AML other m 2022-01-11T19:48:20.13
IV.LNSS.HHN. ML:1.5 0.00020979245000000003 0.2048 AML other m 2022-01-11T19:48:20.60
IV.LNSS.HNN. ML:1.5 0.000195172365 0.1792 AML other m 2022-01-11T19:48:20.60
IV.TERO.HHN. ML:1.3 0.000116143635 0.0512 AML other m 2022-01-11T19:48:20.44
IV.TERO.HNE. ML:1.5 0.00020009035 0.1024 AML other m 2022-01-11T19:48:20.49
IV.TERO.HHE. ML:1.4 0.00015099999999999998 0.08 AML other m 2022-01-11T19:48:20.54
IV.MMO1.EHN. ML:1.3 0.00011236705 0.1152 AML other m 2022-01-11T19:48:20.81
IV.MMO1.EHE. ML:1.4 0.00016123490000000002 0.1792 AML other m 2022-01-11T19:48:20.87
IV.MC2.EHN. ML:1.8 0.000309281485 0.1792 AML other m 2022-01-11T19:48:22.50
IV.MC2.EHE. ML:1.7 0.00025151695 0.1792 AML other m 2022-01-11T19:48:22.27
IV.CAMP.HHN. ML:1.0 0.000086580455 0.2432 AML other m 2022-01-11T19:48:18.71
IV.TERO.HNN. ML:1.3 0.00012352173385 0.0768 AML other m 2022-01-11T19:48:20.45
IV.CSP1.EHN. ML:1.6 0.000115608615 0.1536 AML other m 2022-01-11T19:48:27.96
IV.CSP1.EHE. ML:1.4 0.00006854255 0.1664 AML other m 2022-01-11T19:48:28.35
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