Earthquake with magnitude of ML 1.7 on date 21-07-2021 and time 02:22:41 (UTC) in region 6 km E Felino (PR)

A magnitude ML 1.7 earthquake occured in region: 6 km E Felino (PR), on

  • 21-07-2021 02:22:41 (UTC)
  • 21-07-2021 04:22:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.72, 10.309 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
Felino PR 6 8790 8790
Sala Baganza PR 6 5561 14351
Collecchio PR 8 14403 28754
Lesignano de' Bagni PR 8 5028 33782
Parma PR 9 192836 226618
Montechiarugolo PR 10 10813 237431
Traversetolo PR 11 9425 246856
Montecchio Emilia RE 11 10530 257386
Langhirano PR 12 10315 267701
Sant'Ilario d'Enza RE 12 11205 278906
San Polo d'Enza RE 14 6083 284989
Medesano PR 14 10828 295817
Bibbiano RE 15 10268 306085
Noceto PR 15 13001 319086
Neviano degli Arduini PR 15 3649 322735
Quattro Castella RE 16 13195 335930
Canossa RE 16 3844 339774
Gattatico RE 16 5837 345611
Fornovo di Taro PR 17 6100 351711
Cavriago RE 18 9839 361550
Sorbolo PR 18 9544 371094
Fontevivo PR 19 5597 376691
Campegine RE 19 5029 381720
Torrile PR 20 7698 389418
Calestano PR 20 2100 391518

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km S of Parma (192836 inhabitants)
26 Km W of Reggio nell'Emilia (171345 inhabitants)
46 Km W of Carpi (70699 inhabitants)
50 Km W of Modena (184973 inhabitants)
51 Km SE of Cremona (71901 inhabitants)
61 Km SE of Piacenza (102191 inhabitants)
73 Km N of Carrara (63133 inhabitants)
77 Km N of Massa (69479 inhabitants)
78 Km NE of La Spezia (93959 inhabitants)
86 Km W of Bologna (386663 inhabitants)
92 Km S of Brescia (196480 inhabitants)
95 Km N of Viareggio (62467 inhabitants)
97 Km SW of Verona (258765 inhabitants)
98 Km N of Lucca (89046 inhabitants)
100 Km NW of Pistoia (90315 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 1.7 2021-07-21
02:22:41
44.7195 10.3087 11 2021-07-21
02:34:40
Sala Sismica INGV-Roma 93004641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-21 02:22:41 ± 0.14
Latitude 44.7195 ± 0.0054
Longitude 10.3087 ± 0.0114
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 93004641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 899
Semi-minor axis of confidence ellipse (meter) 284
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 900
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 1.31751
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 93004641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-21 02:34:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CTI.HHZ. 2021-07-21T02:23:09.05 3.0 undecidable manual Pn -0.17 0
GU.POPM.HHZ. 2021-07-21T02:23:06.13 0.3 undecidable manual S 154 0.7464 50 0.06 70
ST.RONC.EHZ. 2021-07-21T02:23:04.56 0.1 undecidable manual P 10 1.2788 50 -0.21 80
IV.BDI.HHZ. 2021-07-21T02:23:04.20 0.6 undecidable manual S 163 0.6871 50 -0.13 47
SI.LUSI.HHZ. 2021-07-21T02:23:04.79 1.0 negative manual P 20 1.3175 50 -0.63 18
ST.VARA.EHZ. 2021-07-21T02:23:03.12 0.6 positive manual P 20 1.1808 50 0.04 42
IV.BOB.HHE. 2021-07-21T02:23:02.07 0.3 undecidable manual S 275 0.6133 50 -0.05 72
IV.ZONE.HHZ. 2021-07-21T02:23:01.58 0.6 negative manual P 353 1.0522 50 0.7 37
IV.MAGA.HHZ. 2021-07-21T02:23:01.22 1.0 negative manual P 12 1.0792 50 -0.12 21
IV.ROVR.HHZ. 2021-07-21T02:23:01.02 0.1 undecidable manual P 30 1.0711 50 -0.2 84
IV.ZEN8.EHZ. 2021-07-21T02:22:59.76 0.6 negative manual P 18 0.965 50 0.37 42
IV.SGAL.EHZ. 2021-07-21T02:22:57.65 1.0 positive manual P 0 0.8436 50 0.33 22
GU.GSCL.HHZ. 2021-07-21T02:22:56.90 0.3 undecidable manual S 152 0.4191 50 0.53 67
GU.POPM.HHZ. 2021-07-21T02:22:55.53 0.6 negative manual P 154 0.7464 50 -0.12 46
IV.BDI.HHZ. 2021-07-21T02:22:54.37 0.6 negative manual P 163 0.6871 50 -0.28 45
IV.BOB.HHE. 2021-07-21T02:22:53.96 0.1 undecidable manual P 275 0.6133 50 0.59 84
GU.GRAM.HHZ. 2021-07-21T02:22:52.50 0.6 undecidable manual S 217 0.2869 50 0.04 51
GU.GSCL.HHZ. 2021-07-21T02:22:49.91 0.6 negative manual P 152 0.4191 50 -0.14 49
IV.NEVI.HNZ. 2021-07-21T02:22:48.30 0.3 undecidable manual S 178 0.1358 125 0.45 73
GU.GRAM.HHZ. 2021-07-21T02:22:47.07 0.1 negative manual P 217 0.2869 50 -0.73 85
IV.NEVI.HNZ. 2021-07-21T02:22:44.82 0.1 undecidable manual P 178 0.1358 125 -0.31 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHN. ML:2.2 0.0006565 0.26 AML other m 2021-07-21T02:22:52.74
GU.GRAM.HHE. ML:1.9 0.0003725 0.24 AML other m 2021-07-21T02:22:53.27
GU.GSCL.HHN. ML:1.1 3.635E-5 1.2 AML other m 2021-07-21T02:22:58.36
GU.GSCL.HHE. ML:1 3.105E-5 1.46 AML other m 2021-07-21T02:23:01.96
IV.BDI.HHE. ML:1.5 5.045E-5 0.9 AML other m 2021-07-21T02:23:05.26
GU.POPM.HHN. ML:1.4 3.62E-5 0.76 AML other m 2021-07-21T02:23:08.34
GU.POPM.HHE. ML:1.5 4.32E-5 0.2 AML other m 2021-07-21T02:23:08.70
IV.SGAL.EHN. ML:1.4 2.52E-5 1.28 AML other m 2021-07-21T02:23:13.04
IV.ZEN8.EHE. ML:1.6 3.28E-5 0.84 AML other m 2021-07-21T02:23:15.59
IV.BDI.HHN. ML:1.5 4.33E-5 0.12 AML other m 2021-07-21T02:23:15.48
IV.ZEN8.EHN. ML:1.4 2.57E-5 1.06 AML other m 2021-07-21T02:23:15.04
IV.SGAL.EHE. ML:1.3 1.805E-5 0.08 AML other m 2021-07-21T02:23:16.06
IV.MAGA.HHN. ML:1.9 5.385E-5 0.64 AML other m 2021-07-21T02:23:18.46
IV.ROVR.HHE. ML:1.9 5.555E-5 0.8 AML other m 2021-07-21T02:23:18.17
IV.ROVR.HHN. ML:2.2 0.0001325 0.32 AML other m 2021-07-21T02:23:18.67
IV.ZONE.HHE. ML:1.6 3.03E-5 0.74 AML other m 2021-07-21T02:23:19.60
IV.MAGA.HHE. ML:1.9 5.52E-5 0.42 AML other m 2021-07-21T02:23:21.21
IV.ZONE.HHN. ML:1.7 3.855E-5 1.06 AML other m 2021-07-21T02:23:21.11
SI.LUSI.HHE. ML:1.9 3.96E-5 0.42 AML other m 2021-07-21T02:23:24.66
SI.LUSI.HHN. ML:2.1 6.34E-5 0.3 AML other m 2021-07-21T02:23:26.00
IV.CTI.HHE. ML:1.9 2.81E-5 0.76 AML other m 2021-07-21T02:23:35.85
IV.CTI.HHN. ML:1.8 2.525E-5 0.72 AML other m 2021-07-21T02:23:36.87
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