Earthquake with magnitude of ML 1.4 on date 12-04-2021 and time 16:24:59 (Italy) in region 3 km W Preci (PG)

A magnitude ML 1.4 earthquake occured in region: 3 km W Preci (PG), on

  • 12-04-2021 14:24:59 (UTC)
  • 12-04-2021 16:24:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8860, 13.0070 at 11 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
Preci PG 3 724 724
Sellano PG 7 1079 1803
Visso MC 8 1107 2910
Cerreto di Spoleto PG 10 1075 3985
Castelsantangelo sul Nera MC 12 281 4266
Monte Cavallo MC 12 145 4411
Norcia PG 12 4957 9368
Ussita MC 13 444 9812
Vallo di Nera PG 17 364 10176
Pieve Torina MC 18 1458 11634
Fiordimonte MC 18 202 11836
Cascia PG 19 3217 15053

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 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 1.4 2021-04-12
14:24:59
42.8855 13.0073 11 2021-07-12
16:55:08
Bollettino Sismico Italiano INGV 89395091
Reviewed
Rev100
ML 1.5 2021-04-12
14:24:59
42.8807 13.0032 11 2021-04-12
14:40:02
Sala Sismica INGV-Roma 89037681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-12 14:24:59 ± 0.05
Latitude 42.8855 ± 0.0027
Longitude 13.0073 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89395091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 23
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) 0.51081
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 89395091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-29 14:39:00

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 89037681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-12 14:40:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2021-04-12T14:25:33.16 3.0 undecidable manual S -0.13 0
IV.MOMA.HNZ. 2021-04-12T14:25:12.59 0.6 undecidable manual S 256 36.741 50 0.42 44
IV.ASSB.HHN. 2021-04-12T14:25:11.00 0.6 undecidable manual S 302 33.2445 50 -0.25 46
IV.LNSS.HHZ. 2021-04-12T14:25:10.56 0.6 undecidable manual S 175 31.4463 50 -0.22 47
IV.SSFR.HHZ. 2021-04-12T14:25:10.47 3.0 undecidable manual P -0.26 0
IV.TERO.HHZ. 2021-04-12T14:25:10.19 0.3 undecidable manual P 121 56.6988 50 0.16 68
IV.MML1.HNE. 2021-04-12T14:25:09.20 0.6 undecidable manual S 353 25.4523 50 0.03 49
IV.MMO1.EHZ. 2021-04-12T14:25:09.19 0.6 undecidable manual S 87 26.0517 50 -0.13 48
IV.CSP1.EHZ. 2021-04-12T14:25:09.97 0.6 undecidable manual S 35 27.9498 50 0.14 48
IV.MOMA.HNZ. 2021-04-12T14:25:07.20 0.3 undecidable manual P 256 36.741 50 0.24 69
IV.FDMO.HHZ. 2021-04-12T14:25:06.92 0.6 undecidable manual S 21 17.9709 121 -0.17 48
IV.LNSS.HHZ. 2021-04-12T14:25:06.03 0.1 undecidable manual P 175 31.4463 50 -0.12 95
IV.CESI.HHZ. 2021-04-12T14:25:06.20 0.3 undecidable manual S 328 15.6732 124 -0.21 72
IV.ASSB.HHN. 2021-04-12T14:25:06.06 0.3 undecidable manual P 302 33.2445 50 -0.36 68
IV.MMO1.EHZ. 2021-04-12T14:25:05.29 0.1 undecidable manual P 87 26.0517 50 -0.02 98
IV.CSP1.EHZ. 2021-04-12T14:25:05.64 0.1 positive manual P 35 27.9498 50 0.03 98
IT.MTCL.HGZ. 2021-04-12T14:25:05.14 0.6 undecidable manual S 357 12.0768 132 -0.28 48
IV.MML1.HNE. 2021-04-12T14:25:05.18 0.1 undecidable manual P 353 25.4523 50 -0.04 98
IV.NRCA.HHZ. 2021-04-12T14:25:04.81 0.3 undecidable manual S 123 10.3785 136 -0.21 73
IV.FEMA.HNZ. 2021-04-12T14:25:04.92 0.6 undecidable manual S 22 9.1797 139 0.2 49
IV.FDMO.HHZ. 2021-04-12T14:25:04.09 0.1 positive manual P 21 17.9709 121 0.07 99
IT.MTCL.HGZ. 2021-04-12T14:25:03.13 0.1 undecidable manual P 357 12.0768 132 0.07 100
IV.CESI.HHZ. 2021-04-12T14:25:03.71 0.1 negative manual P 328 15.6732 124 0.08 99
IV.NRCA.HHZ. 2021-04-12T14:25:02.89 0.1 positive manual P 123 10.3785 136 0.06 100
IV.FEMA.HNZ. 2021-04-12T14:25:02.90 0.1 undecidable manual P 22 9.1797 139 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.8 0.0007075 0.14 AML other m 2021-04-12T14:25:04.98
IV.NRCA.HNN. ML:1.8 0.000754 0.6 AML other m 2021-04-12T14:25:04.98
IV.NRCA.HNE. ML:1.5 0.00041200000000000004 0.58 AML other m 2021-04-12T14:25:05.30
IV.NRCA.HHE. ML:1.5 0.0004125 0.12 AML other m 2021-04-12T14:25:06.36
IV.CESI.HHN. ML:1.4 0.000219 0.38 AML other m 2021-04-12T14:25:06.79
IV.CESI.HHE. ML:1.2 0.000134 0.46 AML other m 2021-04-12T14:25:06.77
IV.FDMO.HHE. ML:1.6 0.0003055 0.78 AML other m 2021-04-12T14:25:07.20
IV.FDMO.HHN. ML:1.4 0.0001795 0.16 AML other m 2021-04-12T14:25:07.35
IV.LNSS.HHE. ML:1.3 0.0000918 0.18 AML other m 2021-04-12T14:25:11.22
IV.LNSS.HHN. ML:1.4 0.00010664999999999999 0.36 AML other m 2021-04-12T14:25:11.27
IV.SSFR.HHN. ML:1.4 0.000045650000000000005 0.8 AML other m 2021-04-12T14:25:11.41
IV.TERO.HHE. ML:0.8 0.0000163 0.52 AML other m 2021-04-12T14:25:21.69
IV.TERO.HHN. ML:1.0 0.00002035 1.58 AML other m 2021-04-12T14:25:26.06
IV.SSFR.HHE. ML:1.4 0.000048 1.28 AML other m 2021-04-12T14:25:33.09
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