Earthquake with magnitude of ML 0.9 on date 27-01-2022 and time 13:31:07 (UTC) in region 6 km SW Civitella Alfedena (AQ)

A magnitude ML 0.9 earthquake occured in region: 6 km SW Civitella Alfedena (AQ), on

  • 27-01-2022 13:31:07 (UTC)
  • 27-01-2022 14:31:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7140, 13.9090 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Civitella Alfedena AQ 6 296 296
Settefrati FR 7 728 1024
Villetta Barrea AQ 7 653 1677
San Donato Val di Comino FR 8 2107 3784
Picinisco FR 8 1218 5002
Barrea AQ 9 726 5728
Opi AQ 10 420 6148
Alfedena AQ 11 864 7012
Gallinaro FR 11 1269 8281
San Biagio Saracinisco FR 11 349 8630
Scontrone AQ 12 574 9204
Pizzone IS 12 329 9533
Villa Latina FR 13 1241 10774
Montenero Val Cocchiara IS 13 538 11312
Atina FR 14 4316 15628
Alvito FR 14 2713 18341
Castel San Vincenzo IS 14 516 18857
Pescasseroli AQ 15 2203 21060
Scapoli IS 17 680 21740
Belmonte Castello FR 17 739 22479
Vicalvi FR 17 783 23262
Cerro al Volturno IS 18 1281 24543
Posta Fibreno FR 18 1139 25682
Rocchetta a Volturno IS 18 1113 26795
Vallerotonda FR 18 1581 28376
Casalattico FR 18 574 28950
Castel di Sangro AQ 19 6538 35488
Casalvieri FR 19 2698 38186
Campoli Appennino FR 19 1725 39911
Acquafondata FR 19 263 40174
Rionero Sannitico IS 19 1118 41292
Sant'Elia Fiumerapido FR 20 6166 47458
Fontechiari FR 20 1303 48761

Municipalities with at least 50000 inhabitants

An earthquake occurred to
74 Km S of Chieti (51815 inhabitants)
79 Km NW of Caserta (76326 inhabitants)
83 Km SE of L'Aquila (69753 inhabitants)
86 Km N of Aversa (53047 inhabitants)
87 Km S of Pescara (121014 inhabitants)
88 Km E of Latina (125985 inhabitants)
91 Km N of Giugliano in Campania (122974 inhabitants)
91 Km S of Montesilvano (53738 inhabitants)
94 Km N of Marano di Napoli (59874 inhabitants)
94 Km NW of Acerra (59573 inhabitants)
94 Km E of Velletri (53303 inhabitants)
94 Km NW of Afragola (65057 inhabitants)
95 Km NW of Casoria (77642 inhabitants)
96 Km E of Tivoli (56533 inhabitants)
98 Km NW of Benevento (60091 inhabitants)
98 Km N of Pozzuoli (81661 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 0.9 2022-01-27
13:31:07
41.7143 13.9087 11 2022-01-27
13:36:16
Sala Sismica INGV-Roma 100230251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-27 13:31:07 ± 0.09
Latitude 41.7143 ± 0.0081
Longitude 13.9087 ± 0.0084
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100230251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1008
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.29678
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:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 100230251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-27 13:36:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHZ. 2022-01-27T13:31:15.29 0.6 undecidable manual S 93 20.2686 50 0 49
IV.INTR.HHE. 2022-01-27T13:31:14.46 0.6 undecidable manual P 359 32.9448 50 0.53 43
IV.POFI.HNZ. 2022-01-27T13:31:14.43 0.3 undecidable manual S 271 16.2726 124 0.19 73
IV.CERA.HHZ. 2022-01-27T13:31:14.16 0.6 undecidable manual S 145 15.7731 125 0.06 50
IV.MIDA.HHZ. 2022-01-27T13:31:13.18 0.3 positive manual P 106 29.748 50 -0.25 71
IT.OPI.HGN. 2022-01-27T13:31:12.42 0.3 undecidable manual S 317 9.4794 139 -0.03 75
IV.RNI2.HHZ. 2022-01-27T13:31:12.27 1.0 undecidable manual P 93 20.2686 50 0.31 23
IV.VVLD.HHZ. 2022-01-27T13:31:12.98 0.1 positive manual P 306 29.2485 50 -0.37 91
IV.POFI.HNZ. 2022-01-27T13:31:11.43 0.6 undecidable manual P 271 16.2726 124 0.08 50
IV.CERA.HHZ. 2022-01-27T13:31:11.23 0.1 negative manual P 145 15.7731 125 -0.05 100
IT.OPI.HGN. 2022-01-27T13:31:10.36 0.3 undecidable manual P 317 9.4794 139 0.04 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHE. ML:0.9 0.0000673 0.28 AML other m 2022-01-27T13:31:14.90
IV.CERA.HHN. ML:0.9 0.0000653 0.2 AML other m 2022-01-27T13:31:15.13
IV.RNI2.HHN. ML:1.1 0.00009035 0.08 AML other m 2022-01-27T13:31:16.64
IV.RNI2.HHE. ML:1.3 0.00013700000000000002 0.16 AML other m 2022-01-27T13:31:16.91
IV.VVLD.HHE. ML:0.6 0.00002235 1.26 AML other m 2022-01-27T13:31:18.81
IV.VVLD.HHN. ML:0.8 0.0000283 0.6 AML other m 2022-01-27T13:31:18.74
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