Earthquake with magnitude of ML 0.7 on date 25-03-2021 and time 21:12:45 (Italy) in region 3 km E Pietralunga (PG)

A magnitude ML 0.7 earthquake occured in region: 3 km E Pietralunga (PG), on

  • 25-03-2021 20:12:45 (UTC)
  • 25-03-2021 21:12:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4460, 12.4700 at 9 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 3 2111 2111
Cantiano PU 13 2245 4356
Apecchio PU 13 1882 6238
Gubbio PG 14 32216 38454
Montone PG 15 1680 40134
Piobbico PU 16 2029 42163
Scheggia e Pascelupo PG 17 1393 43556
Cagli PU 18 8731 52287
CittĂ  di Castello PG 19 39913 92200
Umbertide PG 19 16681 108881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of Perugia (166134 inhabitants)
47 Km E of Arezzo (99543 inhabitants)
58 Km NW of Foligno (57155 inhabitants)
63 Km SW of Fano (60888 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
69 Km S of Rimini (147750 inhabitants)
79 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
93 Km SE of Forlì (117913 inhabitants)
93 Km E of Siena (53903 inhabitants)
99 Km N of Terni (111501 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 0.7 2021-03-25
20:12:45
43.4463 12.4702 9 2021-07-12
16:55:06
Bollettino Sismico Italiano INGV 89134131
Reviewed
Rev100
ML 0.6 2021-03-25
20:12:45
43.4443 12.4742 9 2021-03-25
20:27:45
Sala Sismica INGV-Roma 88469141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-25 20:12:45 ± 0.09
Latitude 43.4463 ± 0.0027
Longitude 12.4702 ± 0.0050
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89134131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27789
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 89134131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-16 05:33:15

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 88469141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-25 20:27:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2021-03-25T20:14:25.58 3.0 undecidable manual Sn 0.76 0
IV.ORI.HHZ. 2021-03-25T20:14:10.14 3.0 negative manual Pg 12.48 0
IV.MTGR.HHZ. 2021-03-25T20:14:02.18 3.0 positive manual Pn -6.05 0
IV.COLB.HHZ. 2021-03-25T20:13:39.41 3.0 negative manual Pg 4.86 0
IV.LRP.EHZ. 2021-03-25T20:13:17.20 3.0 undecidable manual Pg -4.64 0
IV.RIBO.EHZ.01 2021-03-25T20:13:06.28 3.0 undecidable manual Sg -7.25 0
IV.NARO.HHZ. 2021-03-25T20:12:53.24 0.3 undecidable manual S 26 20.2686 114 -0.23 70
IV.FRON.EHZ. 2021-03-25T20:12:53.88 0.3 undecidable manual S 69 22.0668 113 -0.14 71
IV.MURB.HHZ. 2021-03-25T20:12:53.87 0.3 undecidable manual S 168 20.7681 114 0.24 70
IV.ATLO.HNZ. 2021-03-25T20:12:51.89 0.3 undecidable manual S 199 15.3735 121 -0.07 73
IV.APEC.HHZ. 2021-03-25T20:12:51.26 3.0 undecidable manual S 0
IV.MPAG.EHZ. 2021-03-25T20:12:51.93 0.3 undecidable manual P 49 30.8469 50 -0.22 69
IV.PIEI.HHZ. 2021-03-25T20:12:51.09 0.3 undecidable manual S 28 11.1777 129 0.32 70
IV.MURB.HHZ. 2021-03-25T20:12:50.46 0.3 undecidable manual P 168 20.7681 114 0.17 71
IV.TB02.DHE.01 2021-03-25T20:12:50.29 0.1 undecidable manual S 210 9.7791 133 -0.1 98
IV.NARO.HHZ. 2021-03-25T20:12:50.13 0.3 undecidable manual P 26 20.2686 114 -0.07 73
IV.FRON.EHZ. 2021-03-25T20:12:50.37 0.3 undecidable manual P 69 22.0668 113 -0.16 71
IV.ATBU.HNE. 2021-03-25T20:12:49.83 0.1 undecidable manual S 63 7.0929 142 0.06 99
IV.TB01.DHE.01 2021-03-25T20:12:49.61 0.1 undecidable manual S 201 7.6812 140 -0.29 94
IV.ATPC.HHE. 2021-03-25T20:12:49.10 0.1 undecidable manual S 345 3.996 157 -0.11 99
IV.ATLO.HNZ. 2021-03-25T20:12:49.45 0.3 undecidable manual P 199 15.3735 121 0.12 72
IV.ATPI.EHZ. 2021-03-25T20:12:49.36 0.3 undecidable manual S 275 5.4945 149 -0.1 74
IV.TB03.DH2.01 2021-03-25T20:12:49.72 0.1 undecidable manual S 224 6.8931 143 -0.02 100
IV.PIEI.HHZ. 2021-03-25T20:12:48.81 0.3 undecidable manual P 28 11.1777 129 0.17 72
IV.TB03.DH2.01 2021-03-25T20:12:48.10 0.1 positive manual P 224 6.8931 143 0.06 99
IV.ATBU.HNE. 2021-03-25T20:12:48.27 0.1 undecidable manual P 63 7.0929 142 0.21 96
IV.TB01.DHE.01 2021-03-25T20:12:48.20 0.1 undecidable manual P 201 7.6812 140 0.06 99
IV.ATFO.HHZ. 2021-03-25T20:12:48.59 0.1 undecidable manual P 137 12.0768 127 -0.18 96
IV.TB02.DHE.01 2021-03-25T20:12:48.51 0.1 undecidable manual P 210 9.7791 133 0.09 98
IV.SEI.HHZ. 2021-03-25T20:12:48.55 3.0 undecidable manual P -1.73 0
IV.ATPI.EHZ. 2021-03-25T20:12:48.01 0.1 positive manual P 275 5.4945 149 0.12 98
IV.ATPC.HHE. 2021-03-25T20:12:47.84 0.1 undecidable manual P 345 3.996 157 0.1 99
IV.FIR.HHZ. 2021-03-25T20:12:47.62 3.0 undecidable manual P -0.37 0
IV.APEC.HHZ. 2021-03-25T20:12:46.78 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.HNN. ML:1.0 0.0001544679 1.3856 AML other m 2021-03-25T20:12:49.76
IV.ATPI.HNE. ML:1.0 0.000153414 1.344 AML other m 2021-03-25T20:12:49.20
IV.ATPI.EHN. ML:0.5 0.00006057146 0.1792 AML other m 2021-03-25T20:12:49.47
IV.ATPI.EHE. ML:0.6 0.0000693718 0.1024 AML other m 2021-03-25T20:12:49.47
IV.ATFO.HHE. ML:0.4 0.000030850925 0.1536 AML other m 2021-03-25T20:12:51.18
IV.PIEI.HHN. ML:0.6 0.000057467939999999995 0.1152 AML other m 2021-03-25T20:12:51.27
IV.PIEI.HHE. ML:0.6 0.00005091395 0.1152 AML other m 2021-03-25T20:12:51.37
IV.ATFO.HHN. ML:0.4 0.00003191585 0.2048 AML other m 2021-03-25T20:12:51.58
IV.MURB.HNN. ML:1.0 0.000078612465 0.4096 AML other m 2021-03-25T20:12:53.75
IV.FRON.EHE. ML:0.2 0.000007692037549999999 1.936 AML other m 2021-03-25T20:12:53.99
IV.MURB.HHE. ML:0.8 0.00004501227 0.1792 AML other m 2021-03-25T20:12:54.09
IV.MURB.HNE. ML:1.1 0.00008474766 0.8224 AML other m 2021-03-25T20:12:54.09
IV.FRON.EHN. ML:0.3 0.0000163037 0.0768 AML other m 2021-03-25T20:12:54.59
IV.MURB.HHN. ML:0.5 0.000026097020000000002 0.1792 AML other m 2021-03-25T20:12:55.33
IV.MPAG.HNE. ML:1.3 0.00009599680499999999 0.512 AML other m 2021-03-25T20:13:03.80
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