Earthquake with magnitude of ML 1.2 on date 15-04-2021 and time 06:10:51 (UTC) in region 3 km SE Preci (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km SE Preci (PG), on

  • 15-04-2021 06:10:51 (UTC)
  • 15-04-2021 08:10:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8640, 13.0660 at 10 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
Preci PG 3 724 724
Visso MC 8 1107 1831
Castelsantangelo sul Nera MC 8 281 2112
Norcia PG 8 4957 7069
Ussita MC 11 444 7513
Sellano PG 12 1079 8592
Cerreto di Spoleto PG 13 1075 9667
Monte Cavallo MC 16 145 9812
Cascia PG 17 3217 13029
Vallo di Nera PG 20 364 13393
Fiordimonte MC 20 202 13595
Bolognola MC 20 142 13737
Poggiodomo PG 20 117 13854

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 1.2 2021-04-15
06:10:51
42.8635 13.0658 11 2021-04-15
06:16:16
Sala Sismica INGV-Roma 89110291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-15 06:10:51 ± 0.08
Latitude 42.8635 ± 0.0054
Longitude 13.0658 ± 0.0074
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 89110291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46225
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:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 89110291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-15 06:16:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2021-04-15T06:11:27.80 3.0 undecidable manual S 0.2 0
IV.TERO.HHZ. 2021-04-15T06:11:07.48 0.3 undecidable manual S 121 51.3153 50 0.15 69
IV.MOMA.HHZ. 2021-04-15T06:11:05.59 0.3 undecidable manual S 261 40.8258 50 1.05 52
IV.LNSS.HHZ. 2021-04-15T06:11:01.34 0.3 undecidable manual S 184 28.9488 50 -0.02 74
IV.CSP1.EHZ. 2021-04-15T06:11:00.98 0.3 undecidable manual S 24 27.75 50 -0.05 74
IV.TERO.HHZ. 2021-04-15T06:11:00.68 0.1 undecidable manual P 121 51.3153 50 0.23 91
IV.MMO1.EHZ. 2021-04-15T06:10:59.00 0.3 undecidable manual S 79 21.5673 116 -0.37 70
IV.GAVE.EHZ. 2021-04-15T06:10:59.78 0.3 undecidable manual S 216 23.5542 50 -0.14 73
IV.CESI.HHZ. 2021-04-15T06:10:58.98 0.3 undecidable manual S 320 20.4684 117 -0.03 75
IV.FDMO.HHZ. 2021-04-15T06:10:58.58 0.3 undecidable manual S 5 19.2696 119 -0.08 74
IV.MOMA.HHZ. 2021-04-15T06:10:57.94 0.1 undecidable manual P 261 40.8258 50 -0.89 74
IV.CSP1.EHZ. 2021-04-15T06:10:56.78 0.1 undecidable manual P 24 27.75 50 -0.03 99
IV.LNSS.HHZ. 2021-04-15T06:10:56.90 0.1 undecidable manual P 184 28.9488 50 -0.1 97
IV.MC2.EHZ. 2021-04-15T06:10:56.70 0.3 undecidable manual S 62 11.3775 133 0.3 72
IV.GAVE.EHZ. 2021-04-15T06:10:56.13 0.1 undecidable manual P 216 23.5542 50 -0.04 99
IV.FDMO.HHZ. 2021-04-15T06:10:55.40 0.1 undecidable manual P 5 19.2696 119 -0.04 100
IV.NRCA.HHZ. 2021-04-15T06:10:55.00 0.3 undecidable manual S 130 5.1948 154 -0.1 76
IV.MMO1.EHZ. 2021-04-15T06:10:55.70 0.1 undecidable manual P 79 21.5673 116 -0.15 97
IV.CESI.HHZ. 2021-04-15T06:10:55.72 0.1 undecidable manual P 320 20.4684 117 0.08 99
IV.MC2.EHZ. 2021-04-15T06:10:54.42 0.1 negative manual P 62 11.3775 133 0.28 96
IV.NRCA.HHZ. 2021-04-15T06:10:53.54 0.1 undecidable manual P 130 5.1948 154 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.1 0.00189 0.08 AML other m 2021-04-15T06:10:55.05
IV.NRCA.HNN. ML:2.0 0.00173 0.08 AML other m 2021-04-15T06:10:55.05
IV.NRCA.HNE. ML:1.6 0.000612 0.48 AML other m 2021-04-15T06:10:55.15
IV.NRCA.HHE. ML:1.6 0.0007124999999999999 0.48 AML other m 2021-04-15T06:10:55.39
IV.FDMO.HHN. ML:0.9 0.0000608 0.26 AML other m 2021-04-15T06:10:59.25
IV.FDMO.HHE. ML:1.0 0.00008165 0.86 AML other m 2021-04-15T06:10:59.72
IV.CESI.HHN. ML:1.2 0.000126 0.24 AML other m 2021-04-15T06:10:59.45
IV.CESI.HHE. ML:1.0 0.00006625 0.52 AML other m 2021-04-15T06:10:59.43
IV.GAVE.EHE. ML:1.3 0.0001372 0.3 AML other m 2021-04-15T06:11:00.42
IV.GAVE.EHN. ML:1.2 0.00009085 0.82 AML other m 2021-04-15T06:11:00.28
IV.LNSS.HHN. ML:1.0 0.0000514 0.14 AML other m 2021-04-15T06:11:01.52
IV.LNSS.HHE. ML:1.0 0.00004575 0.9 AML other m 2021-04-15T06:11:01.78
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