Earthquake with magnitude of ML 1.1 on date 28-01-2022 and time 15:12:31 (Italy) in region 2 km N Gualdo Cattaneo (PG)

A magnitude ML 1.1 earthquake occured in region: 2 km N Gualdo Cattaneo (PG), on

  • 28-01-2022 14:12:31 (UTC)
  • 28-01-2022 15:12:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9260, 12.5520 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gualdo Cattaneo PG 2 6155 6155
Bevagna PG 5 5081 11236
Cannara PG 8 4305 15541
Montefalco PG 9 5679 21220
Collazzone PG 10 3473 24693
Giano dell'Umbria PG 10 3846 28539
Bettona PG 11 4367 32906
Spello PG 12 8645 41551
Deruta PG 13 9669 51220
Foligno PG 13 57155 108375
Torgiano PG 15 6725 115100
Castel Ritaldi PG 15 3278 118378
Bastia Umbra PG 16 21874 140252
Massa Martana PG 17 3770 144022
Fratta Todina PG 17 1839 145861
Trevi PG 17 8469 154330
Assisi PG 17 28299 182629
Marsciano PG 17 18902 201531
Monte Castello di Vibio PG 19 1567 203098
Todi PG 20 16851 219949

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km W of Foligno (57155 inhabitants)
24 Km SE of Perugia (166134 inhabitants)
41 Km N of Terni (111501 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
81 Km SE of Arezzo (99543 inhabitants)
94 Km NW of L'Aquila (69753 inhabitants)
99 Km W of Teramo (54892 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 2022-01-28
14:12:31
42.9257 12.5522 10 2022-01-28
14:23:55
Sala Sismica INGV-Roma 100272351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-28 14:12:31 ± 0.05
Latitude 42.9257 ± 0.0027
Longitude 12.5522 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100272351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 298
Semi-minor axis of confidence ellipse (meter) 241
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 156
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.12231
Epicentral distance of station farthest from the epicenter (degree) 0.50542
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
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 100272351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-28 14:23:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-01-28T14:12:49.74 1.0 undecidable manual S 71 56.0994 50 0.43 29
IV.ATVA.EHE. 2022-01-28T14:12:46.24 0.6 undecidable manual S 331 44.7219 50 -0.04 65
IV.MML1.EHZ. 2022-01-28T14:12:45.10 0.6 undecidable manual S 58 39.9267 50 0.11 65
IV.MGAB.HHZ. 2022-01-28T14:12:43.98 1.0 undecidable manual S 268 35.742 50 0.09 33
IV.CESI.HNE. 2022-01-28T14:12:42.33 0.6 undecidable manual S 73 29.9478 50 0 67
IV.CSP1.EHZ. 2022-01-28T14:12:41.69 0.6 undecidable manual P 71 56.0994 50 -0.13 63
IV.ATVA.EHE. 2022-01-28T14:12:40.08 0.6 undecidable manual P 331 44.7219 50 0.01 66
IV.FDMO.HHZ. 2022-01-28T14:12:40.06 1.0 negative manual P 74 45.1215 50 -0.08 32
IV.MML1.EHZ. 2022-01-28T14:12:39.22 0.6 undecidable manual P 58 39.9267 50 -0.11 65
IV.MGAB.HHZ. 2022-01-28T14:12:38.70 0.3 undecidable manual P 268 35.742 50 0.01 100
IV.ASSB.HHZ. 2022-01-28T14:12:37.89 0.6 undecidable manual S 34 15.5733 122 -0.07 68
IV.CESI.HNE. 2022-01-28T14:12:37.57 0.6 undecidable manual P 73 29.9478 50 -0.22 64
IV.MOMA.HHZ. 2022-01-28T14:12:37.34 0.6 undecidable manual S 174 13.5753 126 -0.04 69
IV.MOMA.HHZ. 2022-01-28T14:12:35.03 0.6 undecidable manual P 174 13.5753 126 0.1 68
IV.ASSB.HHZ. 2022-01-28T14:12:35.44 0.6 negative manual P 34 15.5733 122 0.17 67
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHE. ML:1.3 0.00022799999999999999 0.18 AML other m 2022-01-28T14:12:38.23
IV.ASSB.HHN. ML:1.1 0.000113 1.44 AML other m 2022-01-28T14:12:38.27
IV.ASSB.HHE. ML:1.1 0.0001094 0.3 AML other m 2022-01-28T14:12:38.27
IV.MOMA.HHN. ML:1.0 0.0001004 0.18 AML other m 2022-01-28T14:12:38.42
IV.MML1.EHE. ML:0.9 0.0000305 0.2 AML other m 2022-01-28T14:12:45.25
IV.MML1.EHN. ML:1.1 0.0000385 0.36 AML other m 2022-01-28T14:12:45.82
IV.MGAB.HHE. ML:0.7 0.000020352595000000002 0.16 AML other m 2022-01-28T14:12:47.13
IV.MGAB.HHN. ML:0.9 0.000028680370000000002 0.2176 AML other m 2022-01-28T14:12:45.32
IV.CSP1.EHE. ML:1.4 0.000049661795 1.6768 AML other m 2022-01-28T14:12:50.60
IV.CSP1.EHN. ML:1.4 0.00005301568 3.104 AML other m 2022-01-28T14:12:51.67
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