Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 15-12-2019 and time 21:05:07 (Italy) in region 3 km NE Umbertide (PG)

A magnitude ML 1.0 earthquake occured in region: 3 km NE Umbertide (PG), on

  • 15-12-2019 20:05:07 (UTC)
  • 15-12-2019 21:05:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3340, 12.3480 at 23 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 3 16681 16681
Montone PG 4 1680 18361
Pietralunga PG 14 2111 20472
Città di Castello PG 16 39913 60385
Monte Santa Maria Tiberina PG 19 1183 61568
Gubbio PG 19 32216 93784
Lisciano Niccone PG 19 613 94397

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Perugia (166134 inhabitants)
40 Km E of Arezzo (99543 inhabitants)
51 Km NW of Foligno (57155 inhabitants)
79 Km SW of Fano (60888 inhabitants)
79 Km SW of Pesaro (94582 inhabitants)
82 Km E of Siena (53903 inhabitants)
83 Km S of Rimini (147750 inhabitants)
89 Km N of Terni (111501 inhabitants)
90 Km S of Cesena (96758 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 1.0 2019-12-15
20:05:07		 43.334 12.3478 23 2019-12-15
20:11:29		 Sala Sismica INGV-Roma 74674591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-15 20:05:07 ± 0.11
Latitude 43.3340 ± 0.0045
Longitude 12.3478 ± 0.0062
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 74674591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 575
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 18
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) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.25990
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 74674591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-15 20:11:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2019-12-15T20:05:18.41 0.3 undecidable manual S 125 28.8489 121 -0.08 95
IV.ATMC.EHZ. 2019-12-15T20:05:16.17 0.3 undecidable manual S 315 17.6712 137 0.01 98
IV.MURB.HHZ. 2019-12-15T20:05:16.16 0.3 undecidable manual S 119 16.2726 139 0.24 94
IV.BADI.EHZ. 2019-12-15T20:05:16.90 0.3 undecidable manual S 337 21.1677 131 0.06 96
IV.ATPI.EHZ. 2019-12-15T20:05:15.28 0.3 undecidable manual S 19 13.6752 145 -0.2 95
IV.ATVO.HHZ. 2019-12-15T20:05:14.65 0.3 undecidable manual S 42 7.1928 160 -0.03 100
IV.ATVA.EHZ. 2019-12-15T20:05:14.61 0.3 undecidable manual S 219 7.9809 158 -0.14 97
IV.ATMI.HHZ. 2019-12-15T20:05:14.76 0.3 undecidable manual S 270 6.3936 162 0.14 97
IV.ATCC.EHZ. 2019-12-15T20:05:13.63 0.3 positive manual P 125 28.8489 121 -0.17 93
IV.PIEI.HHZ. 2019-12-15T20:05:13.41 0.3 undecidable manual P 34 26.9508 123 -0.16 94
IV.MURB.HHZ. 2019-12-15T20:05:12.59 0.3 undecidable manual P 119 16.2726 139 0.27 93
IV.BADI.EHZ. 2019-12-15T20:05:12.98 0.3 undecidable manual P 337 21.1677 131 0.12 95
IV.ATPC.HHZ. 2019-12-15T20:05:12.63 0.3 undecidable manual P 28 18.4704 135 0.08 97
IV.ATPI.EHZ. 2019-12-15T20:05:12.10 0.3 undecidable manual P 19 13.6752 145 0.03 98
IV.ATMC.EHZ. 2019-12-15T20:05:12.44 0.3 undecidable manual P 315 17.6712 137 -0.03 98
IV.ATVO.HHZ. 2019-12-15T20:05:11.51 0.3 negative manual P 42 7.1928 160 -0.1 98
IV.ATVA.EHZ. 2019-12-15T20:05:11.46 0.3 undecidable manual P 219 7.9809 158 -0.19 96
IV.ATMI.HHZ. 2019-12-15T20:05:11.75 0.6 positive manual P 270 6.3936 162 0.18 65
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATMI.HHE. ML:0.6 0.0000257687 0.2432 AML other m 2019-12-15T20:05:15.40
IV.ATMI.HHN. ML:0.6 0.000024477435 0.2304 AML other m 2019-12-15T20:05:15.39
IV.ATPI.HNE. ML:1.3 0.00011701063000000001 0.896 AML other m 2019-12-15T20:05:17.18
IV.ATPI.HNN. ML:1.8 0.00038751084999999995 0.8192 AML other m 2019-12-15T20:05:18.15
IV.ATPI.EHE. ML:0.5 0.000018427224999999997 0.4224 AML other m 2019-12-15T20:05:16.86
IV.ATPI.EHN. ML:0.2 0.0000121539575 0.32 AML other m 2019-12-15T20:05:16.04
IV.MURB.HHE. ML:1.0 0.000059474214999999995 0.1792 AML other m 2019-12-15T20:05:17.03
IV.MURB.HHN. ML:1.0 0.000054114659999999996 0.1792 AML other m 2019-12-15T20:05:16.47
IV.MURB.HNE. ML:1.4 0.000145068325 0.3584 AML other m 2019-12-15T20:05:16.45
IV.MURB.HNN. ML:1.2 0.00009350257000000001 0.3456 AML other m 2019-12-15T20:05:16.73
IV.ATCC.EHE. ML:1.0 0.000043501125000000004 2.4448 AML other m 2019-12-15T20:05:19.99
IV.ATCC.EHN. ML:0.9 0.000035665815 1.1648 AML other m 2019-12-15T20:05:19.22
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