Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 29-04-2022 and time 23:16:33 (UTC) in region 3 km N Borgorose (RI)

A magnitude ML 1.2 earthquake occured in region: 3 km N Borgorose (RI), on

  • 29-04-2022 23:16:33 (UTC)
  • 30-04-2022 01:16:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2230, 13.2330 at 9 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
Borgorose RI 3 4591 4591
Pescorocchiano RI 7 2075 6666
Tornimparte AQ 10 3187 9853
Fiamignano RI 10 1413 11266
Lucoli AQ 12 1011 12277
Sante Marie AQ 13 1166 13443
Marcetelli RI 15 89 13532
Nespolo RI 15 246 13778
Petrella Salto RI 16 1197 14975
Scoppito AQ 17 3727 18702
Collegiove RI 17 213 18915
Tagliacozzo AQ 17 6889 25804
Varco Sabino RI 18 187 25991
Collalto Sabino RI 18 442 26433
Magliano de' Marsi AQ 18 3690 30123
Massa d'Albe AQ 18 1476 31599
Carsoli AQ 19 5396 36995
Paganico Sabino RI 20 172 37167
Ascrea RI 20 234 37401
Scurcola Marsicana AQ 20 2824 40225
L'Aquila AQ 20 69753 109978

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of L'Aquila (69753 inhabitants)
46 Km NE of Tivoli (56533 inhabitants)
48 Km NE of Guidonia Montecelio (88673 inhabitants)
61 Km SE of Terni (111501 inhabitants)
62 Km SW of Teramo (54892 inhabitants)
70 Km NE of Velletri (53303 inhabitants)
72 Km NE of Roma (2864731 inhabitants)
78 Km W of Chieti (51815 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
85 Km NE of Aprilia (73446 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km NE of Pomezia (62966 inhabitants)
88 Km NE of Latina (125985 inhabitants)
92 Km SE of Foligno (57155 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 Km NE of Fiumicino (78395 inhabitants)
100 Km NE of Anzio (54211 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 1.2 2022-04-29
23:16:33		 42.2228 13.2328 9 2022-07-08
12:34:03		 Bollettino Sismico Italiano INGV 106021641
Reviewed
Rev100 		ML 1.2 2022-04-29
23:16:33		 42.2353 13.2397 7 2022-04-29
23:22:51		 Sala Sismica INGV-Roma 103965341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-29 23:16:33 ± 0.09
Latitude 42.2228 ± 0.0045
Longitude 13.2328 ± 0.0073
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 106021641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 608
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61604
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 106021641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-14 11:51:20

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 103965341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-29 23:22:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2022-04-29T23:17:36.82 3.0 undecidable manual Pg 10.84 0
IV.APRC.HHZ. 2022-04-29T23:17:29.30 3.0 undecidable manual Sg 0.32 0
IV.MCRV.HHZ. 2022-04-29T23:17:07.67 3.0 undecidable manual Pg -0.23 0
IV.NRCA.HHZ. 2022-04-29T23:16:54.67 0.3 undecidable manual S 352 68.376 50 0.27 65
IV.PTRJ.HHZ. 2022-04-29T23:16:53.66 3.0 undecidable manual P -3.94 0
IV.INTR.HHE. 2022-04-29T23:16:52.22 0.6 undecidable manual S 113 60.0954 50 0.06 46
IV.TERO.HNZ. 2022-04-29T23:16:51.44 0.6 undecidable manual S 34 53.8017 50 0.95 35
IV.VVLD.HHZ. 2022-04-29T23:16:49.32 0.6 undecidable manual S 140 50.7159 50 -0.35 44
IV.SMA1.EHN. 2022-04-29T23:16:48.79 0.6 undecidable manual S 10 46.0206 50 0.38 44
IV.LNSS.HNZ. 2022-04-29T23:16:47.82 0.6 undecidable manual S 340 45.0216 50 -0.33 45
IV.T0110.HHZ. 2022-04-29T23:16:47.81 0.6 undecidable manual S 89 44.622 50 -0.24 46
IV.NRCA.HHZ. 2022-04-29T23:16:45.55 0.3 undecidable manual P 352 68.376 50 0.1 67
IV.GIGS.HHN. 2022-04-29T23:16:45.67 0.6 undecidable manual S 47 37.8288 50 -0.56 43
IV.INTR.HHE. 2022-04-29T23:16:44.00 0.3 undecidable manual P 113 60.0954 50 -0.15 68
IV.TERO.HNZ. 2022-04-29T23:16:43.81 0.6 undecidable manual P 34 53.8017 50 0.63 40
IV.FAGN.HHZ. 2022-04-29T23:16:43.44 0.3 undecidable manual S 81 29.2485 107 -0.38 68
IV.RM33.EHZ. 2022-04-29T23:16:43.98 0.3 undecidable manual S 357 31.746 50 -0.64 63
IV.T0110.HHZ. 2022-04-29T23:16:42.10 0.3 undecidable manual P 89 44.622 50 0.32 67
IV.SMA1.EHN. 2022-04-29T23:16:42.02 0.3 undecidable manual P 10 46.0206 50 0.04 71
IV.VVLD.HHZ. 2022-04-29T23:16:42.66 0.3 undecidable manual P 140 50.7159 50 -0.06 70
IV.PTQR.HHZ. 2022-04-29T23:16:42.85 0.3 undecidable manual S 148 26.2515 109 0.02 74
IV.LNSS.HNZ. 2022-04-29T23:16:41.84 0.3 undecidable manual P 340 45.0216 50 0.01 72
IV.GIGS.HHN. 2022-04-29T23:16:40.87 0.3 undecidable manual P 47 37.8288 50 0.14 71
MN.AQU.HHZ. 2022-04-29T23:16:40.85 0.6 undecidable manual S 44 20.2686 114 -0.05 50
IV.RM33.EHZ. 2022-04-29T23:16:39.55 0.3 undecidable manual P 357 31.746 50 -0.25 70
IV.FAGN.HHZ. 2022-04-29T23:16:39.59 0.1 undecidable manual P 81 29.2485 107 0.26 93
IV.PTQR.HHZ. 2022-04-29T23:16:38.90 0.3 undecidable manual P 148 26.2515 109 0.14 72
IV.FIAM.HHZ. 2022-04-29T23:16:37.81 0.6 undecidable manual S 298 10.7781 130 -0.25 48
MN.AQU.HHZ. 2022-04-29T23:16:37.56 0.3 undecidable manual P 44 20.2686 114 -0.09 74
IV.FIAM.HHZ. 2022-04-29T23:16:36.10 0.1 undecidable manual P 298 10.7781 130 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.1 0.000056750000000000004 0.38 AML other m 2022-04-29T23:16:46.45
IV.FAGN.HHN. ML:1.3 0.00010544999999999999 0.34 AML other m 2022-04-29T23:16:47.43
IV.RM33.EHN. ML:1.0 0.00004905 1.6 AML other m 2022-04-29T23:16:47.99
IV.FAGN.HHE. ML:1.4 0.0001265 0.4 AML other m 2022-04-29T23:16:49.75
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