Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 26-03-2022 and time 13:47:17 (UTC) in region 5 km SE Sellano (PG)

A magnitude ML 1.1 earthquake occured in region: 5 km SE Sellano (PG), on

  • 26-03-2022 13:47:17 (UTC)
  • 26-03-2022 14:47:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8530, 12.9580 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.

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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
Sellano PG 5 1079 1079
Cerreto di Spoleto PG 5 1075 2154
Preci PG 7 724 2878
Vallo di Nera PG 12 364 3242
Norcia PG 13 4957 8199
Visso MC 14 1107 9306
Campello sul Clitunno PG 15 2442 11748
Cascia PG 16 3217 14965
Poggiodomo PG 16 117 15082
Monte Cavallo MC 16 145 15227
Sant'Anatolia di Narco PG 17 564 15791
Castelsantangelo sul Nera MC 17 281 16072
Trevi PG 17 8469 24541
Ussita MC 18 444 24985
Scheggino PG 19 461 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N 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
Reviewed
Rev100 		ML 1.1 2022-03-26
13:47:17		 42.853 12.9583 11 2022-03-26
13:55:48		 Sala Sismica INGV-Roma 102403221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-26 13:47:17 ± 0.1
Latitude 42.8530 ± 0.0045
Longitude 12.9583 ± 0.0074
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 102403221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 317
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 0.29947
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:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 102403221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-26 13:55:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2022-03-26T13:47:25.68 0.1 undecidable manual S 27 22.8549 50 -0.05 99
IV.CESI.HHZ. 2022-03-26T13:47:24.16 0.1 undecidable manual S 346 17.3715 122 -0.09 99
IV.CSP1.EHZ. 2022-03-26T13:47:23.68 1.0 positive manual P 37 33.2445 50 0 25
IV.MMO1.EHZ. 2022-03-26T13:47:23.42 0.1 undecidable manual P 80 30.4473 50 0.17 95
IV.MML1.EHZ. 2022-03-26T13:47:23.16 0.6 negative manual P 2 28.9488 50 0.14 48
IV.NRCA.HHZ. 2022-03-26T13:47:22.88 0.1 undecidable manual S 100 12.876 130 -0.09 100
IV.LNSS.HHZ. 2022-03-26T13:47:22.81 0.3 positive manual P 166 28.5492 50 -0.15 72
IV.FDMO.HHZ. 2022-03-26T13:47:21.86 0.6 undecidable manual P 27 22.8549 50 -0.23 48
IV.CESI.HHZ. 2022-03-26T13:47:21.35 0.1 positive manual P 346 17.3715 122 0.12 99
IV.NRCA.HHZ. 2022-03-26T13:47:20.60 0.1 negative manual P 100 12.876 130 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.000273 0.12 AML other m 2022-03-26T13:47:23.04
IV.NRCA.HHE. ML:1.2 0.00017649999999999998 0.14 AML other m 2022-03-26T13:47:23.11
IV.CESI.HHE. ML:0.8 0.000056800000000000005 0.2 AML other m 2022-03-26T13:47:24.38
IV.CESI.HHN. ML:1.2 0.00012275 0.34 AML other m 2022-03-26T13:47:24.50
IV.FDMO.HHE. ML:1.4 0.000164 0.14 AML other m 2022-03-26T13:47:25.89
IV.FDMO.HHN. ML:1.1 0.0000814 0.22 AML other m 2022-03-26T13:47:25.87
IV.LNSS.HHE. ML:1.0 0.00005209999999999999 0.32 AML other m 2022-03-26T13:47:27.33
IV.LNSS.HHN. ML:1.0 0.0000463 0.62 AML other m 2022-03-26T13:47:27.35
IV.MML1.EHN. ML:1.0 0.000056099999999999995 0.16 AML other m 2022-03-26T13:47:27.78
IV.MML1.EHE. ML:1.0 0.0000479 0.16 AML other m 2022-03-26T13:47:27.79
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