Earthquake with magnitude of ML 1.9 on date 04-11-2021 and time 21:48:29 (Italy) in region 5 km SW Gualdo Tadino (PG)

A magnitude ML 1.9 earthquake occured in region: 5 km SW Gualdo Tadino (PG), on

  • 04-11-2021 20:48:29 (UTC)
  • 04-11-2021 21:48:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.188, 12.756 at 11 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 Tadino PG 6 15208 15208
Nocera Umbra PG 9 5839 21047
Fossato di Vico PG 12 2840 23887
Valfabbrica PG 13 3389 27276
Valtopina PG 14 1398 28674
Fiuminata MC 14 1402 30076
Sigillo PG 16 2404 32480
Sefro MC 16 422 32902
Esanatoglia MC 17 2034 34936
Assisi PG 17 28299 63235
Pioraco MC 19 1134 64369
Costacciaro PG 19 1216 65585

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of Foligno (57155 inhabitants)
31 Km E of Perugia (166134 inhabitants)
70 Km N of Terni (111501 inhabitants)
76 Km S of Fano (60888 inhabitants)
77 Km E of Arezzo (99543 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
81 Km S of Pesaro (94582 inhabitants)
97 Km NW of Teramo (54892 inhabitants)
98 Km S of Rimini (147750 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.9 2021-11-04
20:48:29
43.188 12.7557 11 2021-11-04
21:01:32
Sala Sismica INGV-Roma 97262491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-04 20:48:29 ± 0.03
Latitude 43.1880 ± 0.0018
Longitude 12.7557 ± 0.0025
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97262491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 220
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 220
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.32466
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 97262491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-04 21:01:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.LRP.EHZ. 2021-11-04T20:49:23.78 3.0 undecidable manual Sg 3.53 0
IV.LAV9.HNZ. 2021-11-04T20:49:14.14 3.0 undecidable manual S -2.5 0
IV.VENL.EHZ. 2021-11-04T20:49:12.96 3.0 positive manual Pg 6.93 0
IV.PARC.HHZ. 2021-11-04T20:48:51.68 3.0 undecidable manual S 0.51 0
IV.CESX.HHZ. 2021-11-04T20:48:51.27 3.0 undecidable manual S 0.03 0
IV.PE3.EHZ. 2021-11-04T20:48:50.02 3.0 undecidable manual S 0.62 0
IV.CRE.HHZ. 2021-11-04T20:48:44.33 3.0 negative manual P 0.15 0
IV.ATMI.HHZ. 2021-11-04T20:48:44.31 3.0 undecidable manual S -0.02 0
IV.MNTT.EHZ. 2021-11-04T20:48:43.09 3.0 positive manual P 0.74 0
IV.MGAB.HHZ. 2021-11-04T20:48:43.27 3.0 negative manual P 2.38 0
IV.PARC.HHZ. 2021-11-04T20:48:42.41 3.0 positive manual P 0.69 0
IV.PE3.EHZ. 2021-11-04T20:48:41.00 3.0 positive manual P 0.27 0
IV.MF5.EHZ. 2021-11-04T20:48:41.36 3.0 positive manual P 0.38 0
IV.GAVE.EHZ. 2021-11-04T20:48:40.13 3.0 negative manual P -0.03 0
IV.GUMA.HHZ. 2021-11-04T20:48:39.15 3.0 negative manual P 0.22 0
IV.COR1.EHZ. 2021-11-04T20:48:39.86 3.0 undecidable manual P 0.32 0
IV.APEC.HHZ. 2021-11-04T20:48:39.46 3.0 negative manual P 0.53 0
IV.MMO1.EHZ. 2021-11-04T20:48:39.90 3.0 negative manual P -0.27 0
IV.CESI.HHZ. 2021-11-04T20:48:38.61 0.3 undecidable manual S 149 0.2131 90 0.11 72
IV.MC2.EHZ. 2021-11-04T20:48:38.53 3.0 undecidable manual P -0.03 0
IV.NRCA.HHZ. 2021-11-04T20:48:38.80 3.0 positive manual P -0.15 0
IV.MOMA.HHZ. 2021-11-04T20:48:38.19 3.0 negative manual P -0.16 0
IV.MPAG.EHZ. 2021-11-04T20:48:38.58 3.0 positive manual P -0.28 0
IV.CSP1.EHZ. 2021-11-04T20:48:37.07 3.0 negative manual P -0.03 0
IV.PIEI.HHZ. 2021-11-04T20:48:37.53 3.0 undecidable manual P -0.27 0
IV.MML1.EHZ. 2021-11-04T20:48:37.40 0.3 undecidable manual S 115 0.1745 90 0.04 73
IV.ATPI.EHZ. 2021-11-04T20:48:37.49 3.0 positive manual P -0.05 0
IV.MURB.HHZ. 2021-11-04T20:48:37.86 0.3 undecidable manual S 294 0.1844 90 0.21 71
IV.CING.HHZ. 2021-11-04T20:48:37.72 3.0 positive manual P 0.13 0
IV.SNTG.HHZ. 2021-11-04T20:48:36.61 0.3 undecidable manual S 63 0.1502 90 -0.04 74
IV.NARO.HHZ. 2021-11-04T20:48:36.44 3.0 negative manual P -2.43 0
IV.ASSB.HHZ. 2021-11-04T20:48:36.80 0.3 undecidable manual S 206 0.1619 90 -0.18 72
IV.ARVD.HHZ. 2021-11-04T20:48:36.80 3.0 positive manual P -0.17 0
IV.EL6.EHZ. 2021-11-04T20:48:36.21 3.0 undecidable manual P 0.12 0
IV.ATBU.HNE. 2021-11-04T20:48:36.86 0.1 undecidable manual P 332 0.3247 90 0.15 93
IV.FRON.EHZ. 2021-11-04T20:48:36.51 3.0 positive manual P -0.32 0
IV.FDMO.HHZ. 2021-11-04T20:48:36.00 3.0 negative manual P -0.09 0
IV.ATSC.EHZ. 2021-11-04T20:48:35.09 0.1 undecidable manual P 348 0.241 90 -0.19 94
IT.MTCL.HGE. 2021-11-04T20:48:35.71 0.1 undecidable manual P 137 0.2635 90 0.06 96
IV.SSFR.HHZ. 2021-11-04T20:48:35.20 3.0 positive manual P -0.15 0
IV.FOSV.EHZ. 2021-11-04T20:48:35.21 0.3 undecidable manual S 2 0.107 108 -0.16 72
IV.MURB.HHZ. 2021-11-04T20:48:34.33 0.1 undecidable manual P 294 0.1844 90 0.03 98
IV.CESI.HHZ. 2021-11-04T20:48:34.73 0.1 undecidable manual P 149 0.2131 90 -0.07 97
IV.ATCC.EHZ. 2021-11-04T20:48:34.85 0.3 undecidable manual S 268 0.0845 123 0.08 74
IV.ATFO.HHZ. 2021-11-04T20:48:34.95 0.1 undecidable manual P 323 0.223 90 -0.02 97
IT.FOPC.HGN. 2021-11-04T20:48:34.73 0.3 undecidable manual P 190 0.2212 90 -0.22 71
IV.MML1.EHZ. 2021-11-04T20:48:34.15 0.1 undecidable manual P 115 0.1745 90 0.01 98
IV.FOSV.EHZ. 2021-11-04T20:48:33.01 0.1 positive manual P 2 0.107 108 0.02 100
IV.SNTG.HHZ. 2021-11-04T20:48:33.76 0.1 negative manual P 63 0.1502 90 0.03 99
IV.FIU1.HNE. 2021-11-04T20:48:33.37 0.1 undecidable manual P 90 0.1286 91 0.02 99
IV.ASSB.HHZ. 2021-11-04T20:48:33.83 0.1 undecidable manual P 206 0.1619 90 -0.09 98
IV.ATCC.EHZ. 2021-11-04T20:48:32.76 0.1 undecidable manual P 268 0.0845 123 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:2.4 0.00345 0.16 AML other m 2021-11-04T20:48:34.98
IV.ATCC.EHE. ML:2.4 0.002805 1.38 AML other m 2021-11-04T20:48:35.90
IV.FOSV.EHE. ML:1.9 0.0008545 0.16 AML other m 2021-11-04T20:48:35.36
IV.FOSV.EHN. ML:1.9 0.000874 0.1 AML other m 2021-11-04T20:48:35.47
IV.ASSB.HHE. ML:2.2 0.00123 1.66 AML other m 2021-11-04T20:48:36.98
IV.SNTG.HHN. ML:1.9 0.0006995 0.12 AML other m 2021-11-04T20:48:37.08
IV.SNTG.HNN. ML:1.9 0.0007005 0.1 AML other m 2021-11-04T20:48:37.07
IV.ASSB.HHN. ML:2.1 0.0009555 1.14 AML other m 2021-11-04T20:48:37.99
IV.SNTG.HHE. ML:1.7 0.0003895 1.06 AML other m 2021-11-04T20:48:37.98
IV.MML1.HNN. ML:1.8 0.0005365 0.14 AML other m 2021-11-04T20:48:37.68
IV.MML1.EHN. ML:1.9 0.000573 1.02 AML other m 2021-11-04T20:48:38.75
IV.SNTG.HNE. ML:1.7 0.0004015 1.2 AML other m 2021-11-04T20:48:38.33
IV.MURB.HHE. ML:2.3 0.001375 0.22 AML other m 2021-11-04T20:48:38.24
IV.MURB.HNE. ML:2.2 0.00123 0.24 AML other m 2021-11-04T20:48:38.24
IV.CESI.HNE. ML:1.7 0.0003145 0.56 AML other m 2021-11-04T20:48:38.97
IV.MML1.EHE. ML:1.7 0.000353 0.14 AML other m 2021-11-04T20:48:38.70
IV.MML1.HNE. ML:1.7 0.0003485 0.14 AML other m 2021-11-04T20:48:38.70
IV.MURB.HHN. ML:2.2 0.0009975 1.34 AML other m 2021-11-04T20:48:38.30
IV.MURB.HNN. ML:2.2 0.001075 1.36 AML other m 2021-11-04T20:48:38.30
IV.CESI.HHE. ML:1.7 0.0003365 1.92 AML other m 2021-11-04T20:48:39.97
IV.ATFO.HHE. ML:1.9 0.000451 0.96 AML other m 2021-11-04T20:48:39.50
IV.CESI.HHN. ML:1.6 0.0002455 0.86 AML other m 2021-11-04T20:48:39.10
IV.ATFO.HHN. ML:1.7 0.000322 0.3 AML other m 2021-11-04T20:48:39.55
IV.SSFR.HHN. ML:2.1 0.000605 1.32 AML other m 2021-11-04T20:48:40.74
IV.SSFR.HNE. ML:2.3 0.0010105 0.14 AML other m 2021-11-04T20:48:40.16
IV.SSFR.HHE. ML:2.1 0.000729 0.16 AML other m 2021-11-04T20:48:40.17
IV.SSFR.HNN. ML:2.2 0.000838 0.32 AML other m 2021-11-04T20:48:40.30
IV.FDMO.HHE. ML:1.7 0.000227 1.78 AML other m 2021-11-04T20:48:40.09
IV.FDMO.HHN. ML:1.6 0.000194 0.92 AML other m 2021-11-04T20:48:41.62
IV.EL6.EHE. ML:2 0.0003945 0.46 AML other m 2021-11-04T20:48:41.75
IV.CESI.HNN. ML:1.5 0.00019077125 0.2048 AML other m 2021-11-04T20:48:40.36
IV.FRON.EHE. ML:1.7 0.0002015 1.26 AML other m 2021-11-04T20:48:42.89
IV.EL6.EHN. ML:2 0.0005295 0.34 AML other m 2021-11-04T20:48:42.42
IV.FRON.EHN. ML:1.9 0.0002765 0.12 AML other m 2021-11-04T20:48:42.56
IV.ARVD.HHN. ML:1.3 7.625E-5 1.44 AML other m 2021-11-04T20:48:42.72
IV.ATPI.EHN. ML:1.8 0.0001955 0.72 AML other m 2021-11-04T20:48:43.53
IV.ATPI.EHE. ML:1.7 0.0001805 0.22 AML other m 2021-11-04T20:48:43.53
IV.CSP1.EHN. ML:1.9 0.0003125 1.32 AML other m 2021-11-04T20:48:44.84
IV.ATMI.HHE. ML:1.8 0.000194 0.34 AML other m 2021-11-04T20:48:44.56
IV.CING.HHN. ML:1.8 0.000201 0.26 AML other m 2021-11-04T20:48:44.53
IV.ARVD.HHE. ML:1.3 7.945E-5 0.88 AML other m 2021-11-04T20:48:44.68
IV.CING.HHE. ML:1.7 0.0001675 0.24 AML other m 2021-11-04T20:48:44.57
IV.ATMI.HHN. ML:1.5 0.000107 1.38 AML other m 2021-11-04T20:48:44.17
IV.CSP1.EHE. ML:1.8 0.0002555 0.94 AML other m 2021-11-04T20:48:44.48
IV.PIEI.HHN. ML:1.8 0.0002205 0.18 AML other m 2021-11-04T20:48:45.34
IV.PIEI.HHE. ML:1.9 0.0002705 0.26 AML other m 2021-11-04T20:48:45.36
IV.NRCA.HHN. ML:2.1 0.0003195 1.86 AML other m 2021-11-04T20:48:46.00
IV.NRCA.HHE. ML:2 0.000293 1.46 AML other m 2021-11-04T20:48:46.84
IV.MOMA.HHE. ML:1.6 0.0001026 0.66 AML other m 2021-11-04T20:48:46.01
IV.APEC.HHE. ML:1.6 0.00011045 0.7 AML other m 2021-11-04T20:48:46.43
IV.APEC.HHN. ML:1.7 0.00014 1.34 AML other m 2021-11-04T20:48:47.07
IV.MOMA.HHN. ML:1.6 0.000123 0.56 AML other m 2021-11-04T20:48:48.79
IV.GAVE.EHE. ML:1.9 0.0001825 0.48 AML other m 2021-11-04T20:48:48.91
IV.GAVE.EHN. ML:2 0.0001985 0.64 AML other m 2021-11-04T20:48:48.96
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