Earthquake with magnitude of ML 1.6 on date 27-01-2022 and time 06:58:48 (UTC) in region 5 km SW Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 5 km SW Norcia (PG), on

  • 27-01-2022 06:58:48 (UTC)
  • 27-01-2022 07:58:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7690, 13.0430 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Norcia PG 5 4957 4957
Cascia PG 6 3217 8174
Poggiodomo PG 11 117 8291
Cerreto di Spoleto PG 12 1075 9366
Preci PG 12 724 10090
Vallo di Nera PG 15 364 10454
Monteleone di Spoleto PG 15 599 11053
Sellano PG 16 1079 12132
Castelsantangelo sul Nera MC 17 281 12413
Sant'Anatolia di Narco PG 17 564 12977
Scheggino PG 18 461 13438
Visso MC 19 1107 14545
Accumoli RI 19 667 15212
Cittareale RI 19 482 15694

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
56 Km W of Teramo (54892 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
86 Km E of Viterbo (67173 inhabitants)
89 Km N of Guidonia Montecelio (88673 inhabitants)
92 Km N of Tivoli (56533 inhabitants)
95 Km W of Montesilvano (53738 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 1.6 2022-01-27
06:58:48
42.7687 13.0428 8 2022-07-08
12:33:28
Bollettino Sismico Italiano INGV 100875921
Reviewed
Rev100
ML 1.8 2022-01-27
06:58:48
42.7683 13.0413 8 2022-01-27
07:10:43
Sala Sismica INGV-Roma 100222631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-27 06:58:48 ± 0.06
Latitude 42.7687 ± 0.0036
Longitude 13.0428 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100875921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 344
Semi-minor axis of confidence ellipse (meter) 328
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 29
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) 0.62233
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 100222631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-27 07:10:43

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 100875921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-11 13:30:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELB.HHZ. 2022-01-27T06:59:57.33 3.0 undecidable manual Sg 6.16 0
IV.FIR.HHZ. 2022-01-27T06:59:43.60 3.0 undecidable manual Sg 3.36 0
IV.BRSN.HNZ. 2022-01-27T06:59:16.17 3.0 negative manual Pn -1.82 0
IV.LPEL.HHZ. 2022-01-27T06:59:12.25 3.0 undecidable manual P 1.14 0
IV.CING.HHZ. 2022-01-27T06:59:10.84 0.3 undecidable manual S 10 68.4759 50 0.92 52
IV.EL6.EHZ. 2022-01-27T06:59:09.12 0.3 undecidable manual S 4 62.3931 50 0.82 55
IV.SAP2.EHZ. 2022-01-27T06:59:05.18 3.0 undecidable manual S -0.06 0
IV.TERO.HHZ. 2022-01-27T06:59:04.33 0.6 undecidable manual S 109 48.5181 50 -0.27 45
IV.ASSB.HHZ. 2022-01-27T06:59:03.34 0.6 undecidable manual S 314 43.5231 50 0.06 47
IV.MOMA.HHZ. 2022-01-27T06:59:02.29 0.3 undecidable manual S 276 38.7279 50 0.31 68
IV.MML1.EHZ. 2022-01-27T06:59:02.15 0.6 undecidable manual S 351 38.7279 50 0.17 47
IV.CSP1.EHZ. 2022-01-27T06:59:01.93 0.6 undecidable manual S 20 38.2284 50 0.09 48
IV.MURB.HHZ. 2022-01-27T06:59:00.40 0.3 undecidable manual P 323 69.0753 50 -0.6 60
IV.CING.HHZ. 2022-01-27T06:59:00.74 0.3 undecidable manual P 10 68.4759 50 -0.16 67
IV.EL6.EHZ. 2022-01-27T06:58:59.85 0.3 undecidable manual P 4 62.3931 50 -0.11 68
IV.FDMO.HHZ. 2022-01-27T06:58:59.33 0.3 undecidable manual S 7 29.9478 105 -0.02 74
IV.MMO1.EHZ. 2022-01-27T06:58:58.35 0.3 undecidable manual S 58 27.2505 107 -0.11 73
IV.CESI.HHZ. 2022-01-27T06:58:58.79 0.3 undecidable manual S 337 28.5492 106 -0.09 73
IV.SMA1.EHZ. 2022-01-27T06:58:58.99 0.6 undecidable manual S 123 28.3494 106 0.18 48
IV.TERO.HHZ. 2022-01-27T06:58:57.80 0.3 undecidable manual P 109 48.5181 50 -0.02 71
IV.MOMA.HHZ. 2022-01-27T06:58:56.06 0.1 negative manual P 276 38.7279 50 -0.25 92
IV.MML1.EHZ. 2022-01-27T06:58:56.06 0.3 undecidable manual P 351 38.7279 50 -0.25 69
IV.ASSB.HHZ. 2022-01-27T06:58:56.66 0.3 undecidable manual P 314 43.5231 50 -0.4 66
IV.LNSS.HHZ. 2022-01-27T06:58:55.73 0.3 undecidable manual S 181 18.3705 114 0.16 73
IV.CSP1.EHZ. 2022-01-27T06:58:55.97 0.3 undecidable manual P 20 38.2284 50 -0.26 69
IV.CESI.HHZ. 2022-01-27T06:58:54.41 0.1 negative manual P 337 28.5492 106 -0.11 97
IV.SMA1.EHZ. 2022-01-27T06:58:54.40 0.3 undecidable manual P 123 28.3494 106 -0.08 73
IV.FDMO.HHZ. 2022-01-27T06:58:54.54 0.3 undecidable manual P 7 29.9478 105 -0.25 70
IV.MMO1.EHZ. 2022-01-27T06:58:54.15 0.1 positive manual P 58 27.2505 107 -0.13 96
IV.GAVE.EHZ. 2022-01-27T06:58:54.57 0.3 undecidable manual S 235 14.7741 119 0.12 74
IV.NRCA.HHZ. 2022-01-27T06:58:53.14 0.3 undecidable manual S 39 9.2796 132 0.26 73
IV.GAVE.EHZ. 2022-01-27T06:58:52.16 0.1 positive manual P 235 14.7741 119 0.19 97
IV.LNSS.HHZ. 2022-01-27T06:58:52.68 0.1 positive manual P 181 18.3705 114 0.07 99
IV.NRCA.HHZ. 2022-01-27T06:58:51.16 0.1 positive manual P 39 9.2796 132 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.6 0.0002385 1.1 AML other m 2022-01-27T06:58:58.64
IV.MMO1.EHE. ML:1.7 0.00025 1.24 AML other m 2022-01-27T06:58:59.80
IV.CESI.HHN. ML:1.8 0.000338 0.28 AML other m 2022-01-27T06:58:59.39
IV.CESI.HHE. ML:1.7 0.000253 0.8 AML other m 2022-01-27T06:59:00.99
IV.SMA1.EHE. ML:1.7 0.0002545 0.54 AML other m 2022-01-27T06:59:00.76
IV.SMA1.EHN. ML:1.8 0.00029600000000000004 1.14 AML other m 2022-01-27T06:59:01.68
IV.MOMA.HHE. ML:1.5 0.00012154999999999999 0.22 AML other m 2022-01-27T06:59:03.16
IV.MOMA.HHN. ML:1.4 0.00009659999999999999 0.4 AML other m 2022-01-27T06:59:04.23
IV.MML1.EHE. ML:1.7 0.0001875 0.56 AML other m 2022-01-27T06:59:04.68
IV.MML1.EHN. ML:1.6 0.000131 1.46 AML other m 2022-01-27T06:59:04.76
IV.ASSB.HHE. ML:1.5 0.0000899 0.32 AML other m 2022-01-27T06:59:05.56
IV.ASSB.HHN. ML:1.4 0.00008724999999999999 1.58 AML other m 2022-01-27T06:59:06.93
IV.CING.HHN. ML:1.4 0.0000395 0.18 AML other m 2022-01-27T06:59:11.74
IV.CING.HHE. ML:1.6 0.00006500000000000001 1.08 AML other m 2022-01-27T06:59:12.99
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