Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 30-03-2022 and time 23:16:31 (Italy) in region 7 km SE Cascia (PG)

A magnitude ML 0.6 earthquake occured in region: 7 km SE Cascia (PG), on

  • 30-03-2022 21:16:31 (UTC)
  • 30-03-2022 23:16:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6660, 13.0550 at 8 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.

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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
Cascia PG 7 3217 3217
Monteleone di Spoleto PG 9 599 3816
Cittareale RI 10 482 4298
Poggiodomo PG 11 117 4415
Leonessa RI 14 2435 6850
Norcia PG 15 4957 11807
Accumoli RI 16 667 12474
Posta RI 16 694 13168
Borbona RI 18 617 13785
Scheggino PG 19 461 14246
Sant'Anatolia di Narco PG 19 564 14810
Polino TR 19 233 15043
Vallo di Nera PG 20 364 15407
Amatrice RI 20 2657 18064

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Terni (111501 inhabitants)
43 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
53 Km W of Teramo (54892 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km N of Tivoli (56533 inhabitants)
83 Km E of Viterbo (67173 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 inhabitants)
98 Km W of Chieti (51815 inhabitants)
98 Km NE of Roma (2864731 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 0.6 2022-03-30
21:16:31		 42.6658 13.0553 8 2022-03-30
21:34:47		 Sala Sismica INGV-Roma 102584081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-30 21:16:31 ± 0.12
Latitude 42.6658 ± 0.0045
Longitude 13.0553 ± 0.0061
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 102584081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 517
Semi-minor axis of confidence ellipse (meter) 417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.26440
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 102584081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-30 21:34:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2022-03-30T21:16:42.25 0.3 undecidable manual S 22 29.3484 105 0.42 70
IV.SMA1.EHZ. 2022-03-30T21:16:39.84 0.3 undecidable manual S 100 23.1546 109 0.06 74
IV.RM33.EHZ. 2022-03-30T21:16:39.04 0.3 undecidable manual S 143 21.7671 110 -0.27 71
IV.NRCA.HHZ. 2022-03-30T21:16:38.46 0.3 undecidable manual S 14 19.1697 113 -0.04 71
IV.MC2.EHZ. 2022-03-30T21:16:37.84 0.6 undecidable manual P 22 29.3484 105 0.48 45
IV.GAVE.EHZ. 2022-03-30T21:16:36.62 0.3 undecidable manual S 283 13.4754 121 -0.1 74
IV.SMA1.EHZ. 2022-03-30T21:16:36.35 0.6 undecidable manual P 100 23.1546 109 0.17 48
IV.NRCA.HHZ. 2022-03-30T21:16:35.34 0.1 undecidable manual P 14 19.1697 113 -0.1 96
IV.LNSS.HHZ. 2022-03-30T21:16:35.18 0.3 undecidable manual S 190 7.0929 139 0.19 75
IV.RM33.EHZ. 2022-03-30T21:16:35.76 0.1 undecidable manual P 143 21.7671 110 -0.15 98
IV.GAVE.EHZ. 2022-03-30T21:16:34.34 0.1 undecidable manual P 283 13.4754 121 -0.07 100
IV.LNSS.HHZ. 2022-03-30T21:16:33.56 0.1 undecidable manual P 190 7.0929 139 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.8 0.000109614965 0.1536 AML other m 2022-03-30T21:16:35.64
IV.LNSS.HHN. ML:0.9 0.0001295 0.1 AML other m 2022-03-30T21:16:35.88
IV.LNSS.HNE. ML:0.8 0.00009983209500000002 0.192 AML other m 2022-03-30T21:16:35.75
IV.LNSS.HNN. ML:0.8 0.000120768905 0.1024 AML other m 2022-03-30T21:16:35.83
IV.GAVE.EHE. ML:0.5 0.0000343736 0.1408 AML other m 2022-03-30T21:16:37.20
IV.GAVE.EHN. ML:0.5 0.0000369671325 0.1024 AML other m 2022-03-30T21:16:36.91
IV.NRCA.HHE. ML:0.5 0.000023185145 0.1792 AML other m 2022-03-30T21:16:39.01
IV.NRCA.HHN. ML:0.4 0.000022447224000000003 0.1408 AML other m 2022-03-30T21:16:39.10
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