Earthquake with magnitude of Md 1.2 on date 13-04-2022 and time 00:11:38 (Italy) in region 11 km E Umbertide (PG)

A magnitude Md 1.2 earthquake occured in region: 11 km E Umbertide (PG), on

  • 12-04-2022 22:11:38 (UTC)
  • 13-04-2022 00:11:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2720, 12.4530 at 24 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
Umbertide PG 11 16681 16681
Gubbio PG 14 32216 48897
Montone PG 15 1680 50577
Valfabbrica PG 17 3389 53966
Perugia PG 19 166134 220100
Pietralunga PG 19 2111 222211

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Perugia (166134 inhabitants)
41 Km NW of Foligno (57155 inhabitants)
51 Km E of Arezzo (99543 inhabitants)
78 Km SW of Fano (60888 inhabitants)
80 Km SW of Pesaro (94582 inhabitants)
81 Km N of Terni (111501 inhabitants)
88 Km S of Rimini (147750 inhabitants)
91 Km E of Siena (53903 inhabitants)
94 Km W of Ancona (100861 inhabitants)
98 Km S of Cesena (96758 inhabitants)
99 Km N of Viterbo (67173 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
Md 1.2 2022-04-12
22:11:38
43.2718 12.4533 24 2022-04-12
22:17:18
Sala Sismica INGV-Roma 103139281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-12 22:11:38 ± 0.15
Latitude 43.2718 ± 0.0045
Longitude 12.4533 ± 0.0074
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103139281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 642
Semi-minor axis of confidence ellipse (meter) 261
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.11511
Epicentral distance of station farthest from the epicenter (degree) 0.27339
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 103139281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-12 22:17:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2022-04-12T22:11:49.32 0.6 undecidable manual S 13 29.9478 122 -0.36 46
IV.ASSB.HHZ. 2022-04-12T22:11:49.37 0.6 undecidable manual S 147 30.3474 121 -0.41 46
IV.ATBU.EHN. 2022-04-12T22:11:48.37 0.6 undecidable manual S 19 23.8539 129 0.02 50
IV.ATPC.HNN. 2022-04-12T22:11:48.23 0.6 undecidable manual S 1 23.1546 130 0.03 50
IV.ATCC.EHZ. 2022-04-12T22:11:47.25 0.6 undecidable manual S 122 17.871 138 0.06 50
IV.ATVO.HHZ. 2022-04-12T22:11:46.22 0.6 undecidable manual S 343 12.7761 148 -0.15 50
IV.ATVA.EHE. 2022-04-12T22:11:46.52 0.6 undecidable manual S 273 13.5753 146 0.04 51
IV.ASSB.HHZ. 2022-04-12T22:11:45.03 0.3 undecidable manual P 147 30.3474 121 0.15 73
IV.ATBU.EHN. 2022-04-12T22:11:44.20 0.1 undecidable manual P 19 23.8539 129 0.14 98
IV.PIEI.HHZ. 2022-04-12T22:11:44.74 1.0 undecidable manual P 13 29.9478 122 -0.09 24
IV.ATPC.HNN. 2022-04-12T22:11:44.17 0.1 undecidable manual P 1 23.1546 130 0.2 97
IV.ATCC.EHZ. 2022-04-12T22:11:43.48 0.6 negative manual P 122 17.871 138 0.09 50
IV.ATVO.HHZ. 2022-04-12T22:11:42.96 0.3 undecidable manual P 343 12.7761 148 0.05 77
IV.ATVA.EHE. 2022-04-12T22:11:42.86 0.1 undecidable manual P 273 13.5753 146 -0.12 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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