Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 27-12-2021 and time 02:51:16 (UTC) in region 3 km W Pescosolido (FR)

A magnitude ML 1.4 earthquake occured in region: 3 km W Pescosolido (FR), on

  • 27-12-2021 02:51:16 (UTC)
  • 27-12-2021 03:51:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7520, 13.6170 at 15 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
Pescosolido FR 3 1555 1555
Sora FR 3 26144 27699
Campoli Appennino FR 5 1725 29424
Broccostella FR 6 2741 32165
Balsorano AQ 7 3569 35734
Isola del Liri FR 9 11715 47449
Posta Fibreno FR 9 1139 48588
Castelliri FR 10 3454 52042
Fontechiari FR 10 1303 53345
Vicalvi FR 11 783 54128
Arpino FR 11 7262 61390
San Vincenzo Valle Roveto AQ 12 2347 63737
Alvito FR 13 2713 66450
Villavallelonga AQ 13 919 67369
Monte San Giovanni Campano FR 15 12929 80298
Collelongo AQ 15 1233 81531
Casalvieri FR 16 2698 84229
Pescasseroli AQ 16 2203 86432
Fontana Liri FR 17 2953 89385
Santopadre FR 17 1357 90742
San Donato Val di Comino FR 17 2107 92849
Boville Ernica FR 17 8737 101586
Casalattico FR 17 574 102160
Veroli FR 18 20560 122720
Opi AQ 18 420 123140
Gallinaro FR 18 1269 124409
Morino AQ 18 1448 125857
Rocca d'Arce FR 18 959 126816
Arce FR 19 5756 132572
Civita d'Antino AQ 19 979 133551
Strangolagalli FR 20 2491 136042

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km E of Latina (125985 inhabitants)
69 Km S of L'Aquila (69753 inhabitants)
70 Km E of Velletri (53303 inhabitants)
72 Km E of Tivoli (56533 inhabitants)
79 Km E of Guidonia Montecelio (88673 inhabitants)
81 Km SW of Chieti (51815 inhabitants)
82 Km E of Aprilia (73446 inhabitants)
89 Km E of Anzio (54211 inhabitants)
93 Km E of Pomezia (62966 inhabitants)
93 Km SW of Pescara (121014 inhabitants)
95 Km E of Roma (2864731 inhabitants)
96 Km SW of Montesilvano (53738 inhabitants)
96 Km NW of Caserta (76326 inhabitants)
100 Km NW of Aversa (53047 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 2021-12-27
02:51:16		 41.7517 13.6173 15 2022-03-30
13:04:34		 Bollettino Sismico Italiano INGV 100525551
Reviewed
Rev100 		ML 1.4 2021-12-27
02:51:16		 41.7557 13.6213 15 2021-12-27
02:55:54		 Sala Sismica INGV-Roma 99037421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-27 02:51:16 ± 0.08
Latitude 41.7517 ± 0.0036
Longitude 13.6173 ± 0.0048
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100525551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 418
Semi-minor axis of confidence ellipse (meter) 112
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.40200
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 100525551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-02 10:44:46

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 99037421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-27 02:55:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERA.HHZ. 2021-12-27T02:51:29.00 0.3 undecidable manual S 117 37.3293 98 -0.2 69
IV.GIUL.HHZ. 2021-12-27T02:51:29.30 0.3 undecidable manual S 235 36.9297 98 0.22 70
IV.PTQR.HHZ. 2021-12-27T02:51:28.40 0.3 undecidable manual S 329 34.9428 99 -0.16 70
IV.MCI.EHZ. 2021-12-27T02:51:28.20 0.3 undecidable manual S 151 33.1446 100 0.11 71
IV.RNI2.HNE. 2021-12-27T02:51:26.27 1.0 undecidable manual P 97 44.622 96 1.24 15
IV.GUAR.HHZ. 2021-12-27T02:51:26.00 0.3 undecidable manual S 281 25.6521 105 -0.14 71
IV.PTQR.HHZ. 2021-12-27T02:51:23.50 0.3 undecidable manual P 329 34.9428 99 -0.05 72
IV.GIUL.HHZ. 2021-12-27T02:51:23.82 0.1 undecidable manual P 235 36.9297 98 -0.03 95
IV.MCI.EHZ. 2021-12-27T02:51:23.33 0.3 undecidable manual P 151 33.1446 100 0.05 72
IV.VVLD.HHZ. 2021-12-27T02:51:23.10 0.1 undecidable manual S 2 13.0758 128 0 100
IV.CERA.HHZ. 2021-12-27T02:51:23.67 0.3 undecidable manual P 117 37.3293 98 -0.24 69
IV.POFI.HHZ. 2021-12-27T02:51:22.10 0.3 undecidable manual S 116 8.6802 142 -0.17 74
IV.LRP.EHZ. 2021-12-27T02:51:22.70 0.3 undecidable manual S 192 11.877 131 -0.15 73
IV.GUAR.HHZ. 2021-12-27T02:51:22.13 0.1 undecidable manual P 281 25.6521 105 -0.02 98
IT.OPI.HGE. 2021-12-27T02:51:21.06 0.1 undecidable manual P 81 17.871 116 0.05 99
IV.VVLD.HHZ. 2021-12-27T02:51:20.56 0.1 undecidable manual P 2 13.0758 128 0.16 97
IV.LRP.EHZ. 2021-12-27T02:51:20.33 0.1 undecidable manual P 192 11.877 131 0.08 99
IV.POFI.HHZ. 2021-12-27T02:51:19.98 0.1 undecidable manual P 116 8.6802 142 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHE. ML:0.0 0.00016 0.26 AML other m 2021-12-27T02:51:22.55
IV.POFI.HNE. ML:0.0 0.00014701235 0.08 AML other m 2021-12-27T02:51:22.65
IV.POFI.HNN. ML:0.0 0.00013997405000000003 0.16 AML other m 2021-12-27T02:51:22.76
IV.LRP.EHE. ML:0.0 0.0007310000000000001 0.16 AML other m 2021-12-27T02:51:22.98
IV.POFI.HHN. ML:0.0 0.00014000000000000001 0.54 AML other m 2021-12-27T02:51:22.67
IV.LRP.EHN. ML:0.0 0.0003 1.12 AML other m 2021-12-27T02:51:23.92
IV.VVLD.HNN. ML:0.0 0.000486 0.4 AML other m 2021-12-27T02:51:23.41
IV.VVLD.HHN. ML:0.0 0.00051 0.28 AML other m 2021-12-27T02:51:23.41
IV.VVLD.HHE. ML:0.0 0.000352 0.44 AML other m 2021-12-27T02:51:23.26
IV.VVLD.HNE. ML:0.0 0.00031999999999999997 0.46 AML other m 2021-12-27T02:51:23.26
IV.GUAR.HHE. ML:0.0 0.000142 0.26 AML other m 2021-12-27T02:51:26.23
IV.GUAR.HHN. ML:0.0 0.0001475 0.9 AML other m 2021-12-27T02:51:26.38
IV.PTQR.HHE. ML:0.0 0.0000915 0.78 AML other m 2021-12-27T02:51:29.72
IV.MCI.EHN. ML:0.0 0.00007597083 1.0992 AML other m 2021-12-27T02:51:28.36
IV.MCI.EHE. ML:0.0 0.00010626569499999999 0.24 AML other m 2021-12-27T02:51:29.26
IV.PTQR.HHN. ML:0.0 0.0000464337 0.16 AML other m 2021-12-27T02:51:29.55
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