Earthquake with magnitude of ML 1.1 on date 27-01-2022 and time 21:37:41 (UTC) in region 3 km S Frontone (PU)

A magnitude ML 1.1 earthquake occured in region: 3 km S Frontone (PU), on

  • 27-01-2022 21:37:41 (UTC)
  • 27-01-2022 22:37:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4900, 12.7310 at 15 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
Frontone PU 3 1300 1300
Serra Sant'Abbondio PU 3 1027 2327
Cantiano PU 8 2245 4572
Cagli PU 9 8731 13303
Scheggia e Pascelupo PG 11 1393 14696
Sassoferrato AN 12 7285 21981
Pergola PU 12 6333 28314
Costacciaro PG 15 1216 29530
Acqualagna PU 15 4393 33923
Arcevia AN 17 4612 38535
Sigillo PG 18 2404 40939
Genga AN 18 1797 42736
Gubbio PG 19 32216 74952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Fano (60888 inhabitants)
49 Km SW of Pesaro (94582 inhabitants)
51 Km NE of Perugia (166134 inhabitants)
59 Km N of Foligno (57155 inhabitants)
65 Km S of Rimini (147750 inhabitants)
65 Km W of Ancona (100861 inhabitants)
68 Km E of Arezzo (99543 inhabitants)
82 Km SE of Cesena (96758 inhabitants)
99 Km SE of Forlì (117913 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 2022-01-27
21:37:41
43.4897 12.7308 15 2022-01-27
23:17:35
Sala Sismica INGV-Roma 100243301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-27 21:37:41 ± 0.09
Latitude 43.4897 ± 0.0027
Longitude 12.7308 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100243301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 52
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 100243301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-27 23:17:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2022-01-27T21:38:07.02 3.0 undecidable manual S -1.86 0
IV.ATCC.EHZ. 2022-01-27T21:37:54.06 0.3 undecidable manual S 192 34.5432 100 0.5 63
IV.FOSV.EHZ. 2022-01-27T21:37:50.11 0.3 undecidable manual S 174 21.7671 111 -0.14 71
IV.ARVD.HHZ. 2022-01-27T21:37:49.09 0.3 undecidable manual S 87 16.9719 119 0 73
IV.NARO.HHZ. 2022-01-27T21:37:49.42 0.1 undecidable manual S 318 18.0708 117 0.07 97
IV.ATFO.HHZ. 2022-01-27T21:37:49.60 0.3 undecidable manual S 223 18.7701 116 0.09 72
IV.ATCC.EHZ. 2022-01-27T21:37:48.37 0.1 undecidable manual P 192 34.5432 100 -0.22 91
IV.PIEI.HHZ. 2022-01-27T21:37:48.95 0.1 undecidable manual S 288 16.5723 120 -0.04 96
IV.MPAG.EHZ. 2022-01-27T21:37:48.92 0.1 undecidable manual S 8 15.6732 122 0.13 96
IV.SSFR.HHZ. 2022-01-27T21:37:47.12 0.1 undecidable manual S 145 7.1928 149 -0.08 97
IV.ATFO.HHZ. 2022-01-27T21:37:46.27 0.1 undecidable manual P 223 18.7701 116 0.03 97
IV.FRON.EHZ. 2022-01-27T21:37:46.75 0.1 undecidable manual S 352 3.0969 166 -0.02 98
IV.FOSV.EHZ. 2022-01-27T21:37:46.56 0.1 undecidable manual P 174 21.7671 111 -0.11 95
IV.ARVD.HHZ. 2022-01-27T21:37:46.02 0.1 undecidable manual P 87 16.9719 119 0.02 97
IV.NARO.HHZ. 2022-01-27T21:37:46.13 0.1 undecidable manual P 318 18.0708 117 -0.02 97
IV.PIEI.HHZ. 2022-01-27T21:37:45.86 0.1 undecidable manual P 288 16.5723 120 -0.09 96
IV.MPAG.EHZ. 2022-01-27T21:37:45.90 0.1 undecidable manual P 8 15.6732 122 0.07 97
IV.FRON.EHZ. 2022-01-27T21:37:44.68 0.1 undecidable manual P 352 3.0969 166 0.02 100
IV.SSFR.HHZ. 2022-01-27T21:37:44.90 0.1 undecidable manual P 145 7.1928 149 -0.01 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HNE. ML:1.6 0.000455 0.04 AML other m 2022-01-27T21:37:47.52
IV.SSFR.HNN. ML:1.9 0.000856 0.68 AML other m 2022-01-27T21:37:47.79
IV.SSFR.HHN. ML:1.6 0.0004005 0.8 AML other m 2022-01-27T21:37:47.39
IV.SSFR.HHE. ML:1.3 0.0002145 0.16 AML other m 2022-01-27T21:37:48.26
IV.MPAG.EHE. ML:1.2 0.00013635 0.14 AML other m 2022-01-27T21:37:49.15
IV.ARVD.HHN. ML:0.7 0.00003275 0.4 AML other m 2022-01-27T21:37:49.39
IV.MPAG.EHN. ML:1.0 0.0000761 0.24 AML other m 2022-01-27T21:37:49.21
IV.PIEI.HHE. ML:1.0 0.0000693 0.4 AML other m 2022-01-27T21:37:49.18
IV.NARO.HHE. ML:1.2 0.0001245 0.06 AML other m 2022-01-27T21:37:49.57
IV.NARO.HHN. ML:1.1 0.00009049999999999999 0.16 AML other m 2022-01-27T21:37:49.47
IV.ARVD.HHE. ML:0.6 0.000030150000000000004 0.38 AML other m 2022-01-27T21:37:49.55
IV.ATFO.HHN. ML:1.0 0.00006145 0.26 AML other m 2022-01-27T21:37:49.87
IV.PIEI.HHN. ML:0.6 0.000029699999999999997 1.38 AML other m 2022-01-27T21:37:49.12
IV.ATFO.HHE. ML:0.9 0.0000539 0.14 AML other m 2022-01-27T21:37:49.77
IV.SNTG.HHE. ML:0.5 0.00001405 0.88 AML other m 2022-01-27T21:37:53.44
IV.FOSV.EHE. ML:0.0 0.000013046765 0.1024 AML other m 2022-01-27T21:37:50.48
IV.FOSV.EHN. ML:0.0 0.000013114759999999999 0.1152 AML other m 2022-01-27T21:37:50.57
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download