Earthquake with magnitude of ML 0.3 on date 06-02-2021 and time 23:37:03 (Italy) in region 8 km W Pietralunga (PG)

A magnitude ML 0.3 earthquake occured in region: 8 km W Pietralunga (PG), on

  • 06-02-2021 22:37:03 (UTC)
  • 06-02-2021 23:37:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4580, 12.3430 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Pietralunga PG 8 2111 2111
CittĂ  di Castello PG 8 39913 42024
Montone PG 11 1680 43704
Apecchio PU 13 1882 45586
Monte Santa Maria Tiberina PG 15 1183 46769
Umbertide PG 17 16681 63450
San Giustino PG 17 11297 74747
Citerna PG 19 3531 78278
Monterchi AR 19 1757 80035
Piobbico PU 20 2029 82064

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Arezzo (99543 inhabitants)
39 Km N of Perugia (166134 inhabitants)
63 Km NW of Foligno (57155 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
69 Km SW of Fano (60888 inhabitants)
70 Km S of Rimini (147750 inhabitants)
76 Km S of Cesena (96758 inhabitants)
83 Km E of Siena (53903 inhabitants)
89 Km S of Forlì (117913 inhabitants)
94 Km E of Firenze (382808 inhabitants)
97 Km W of Ancona (100861 inhabitants)
99 Km SE of Faenza (58541 inhabitants)
99 Km E of Scandicci (50609 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
Bulletin
Rev1000
ML 0.3 2021-02-06
22:37:03
43.4583 12.3432 8 2021-07-12
16:55:10
Bollettino Sismico Italiano INGV 90057561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-06 22:37:03 ± 0.14
Latitude 43.4583 ± 0.0036
Longitude 12.3432 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90057561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 30
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 154
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
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) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23023
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 90057561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-13 15:59:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2021-02-06T22:37:15.66 3.0 undecidable manual P 0 0
IV.NARO.HHZ. 2021-02-06T22:37:12.18 0.3 undecidable manual S 48 25.5522 108 -0.37 67
IV.PIEI.HHZ. 2021-02-06T22:37:10.08 0.3 undecidable manual S 61 17.6712 115 0.07 73
IV.ATLO.EHE. 2021-02-06T22:37:09.51 0.6 undecidable manual S 162 16.6722 116 -0.2 47
IV.ATBU.EHZ. 2021-02-06T22:37:09.98 0.6 undecidable manual S 83 16.6722 116 0.29 46
IV.ATMI.HHZ. 2021-02-06T22:37:08.75 1.0 undecidable manual S 204 15.0738 119 -0.45 22
IV.ATMC.EHE. 2021-02-06T22:37:08.26 0.3 undecidable manual S 264 12.1767 124 -0.09 73
IV.NARO.HHZ. 2021-02-06T22:37:08.23 0.3 undecidable manual P 48 25.5522 108 -0.39 67
IV.APEC.HHZ. 2021-02-06T22:37:08.76 0.3 undecidable manual S 29 12.6762 123 0.25 71
IV.BADI.EHE. 2021-02-06T22:37:07.75 0.3 undecidable manual S 306 9.7791 130 0.06 74
IV.ATBU.EHZ. 2021-02-06T22:37:07.18 1.0 undecidable manual P 83 16.6722 116 0.21 24
IV.PIEI.HHZ. 2021-02-06T22:37:07.15 0.3 undecidable manual P 61 17.6712 115 -0.01 74
IV.ATPC.HHE. 2021-02-06T22:37:07.73 0.3 undecidable manual S 75 9.4794 131 0.12 73
IV.ATLO.EHE. 2021-02-06T22:37:07.08 0.1 undecidable manual P 162 16.6722 116 0.1 97
IV.ATMI.HHZ. 2021-02-06T22:37:07.02 0.3 undecidable manual P 204 15.0738 119 0.34 69
IV.APEC.HHZ. 2021-02-06T22:37:06.28 0.3 undecidable manual P 29 12.6762 123 0 74
IV.ATPI.EHZ. 2021-02-06T22:37:06.33 0.3 undecidable manual S 100 4.7952 150 -0.23 72
IV.ATMC.EHE. 2021-02-06T22:37:06.12 0.3 undecidable manual P 264 12.1767 124 -0.08 73
IV.ATPI.EHZ. 2021-02-06T22:37:05.19 0.1 undecidable manual P 100 4.7952 150 0.03 100
IV.BADI.EHE. 2021-02-06T22:37:05.88 0.3 undecidable manual P 306 9.7791 130 0.07 74
IV.ATPC.HHE. 2021-02-06T22:37:05.91 0.3 undecidable manual P 75 9.4794 131 0.14 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.4 0.00004055 0.42 AML other m 2021-02-06T22:37:06.58
IV.ATPI.EHE. ML:0.4 0.00003955 0.32 AML other m 2021-02-06T22:37:06.46
IV.APEC.HHN. ML:0.3 0.000026007395000000004 1.6512 AML other m 2021-02-06T22:37:09.55
IV.APEC.HHE. ML:0.4 0.000029673335000000002 2.7648 AML other m 2021-02-06T22:37:08.78
IV.PIEI.HHE. ML:0.2 0.000016703790000000004 2.7776 AML other m 2021-02-06T22:37:09.77
IV.PIEI.HHN. ML:0.1 0.000011411550499999999 2.5984 AML other m 2021-02-06T22:37:11.10
IV.NARO.HHN. ML:0.4 0.000016397235 3.3408 AML other m 2021-02-06T22:37:13.80
IV.NARO.HHE. ML:0.6 0.000023225015000000003 2.3552 AML other m 2021-02-06T22:37:14.71
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