Earthquake with magnitude of ML 1.0 on date 20-04-2022 and time 08:23:26 (Italy) in region 6 km E Castelsantangelo sul Nera (MC)

A magnitude ML 1.0 earthquake occured in region: 6 km E Castelsantangelo sul Nera (MC), on

  • 20-04-2022 06:23:26 (UTC)
  • 20-04-2022 08:23:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9130, 13.2230 at 4 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
Castelsantangelo sul Nera MC 6 281 281
Ussita MC 8 444 725
Montemonaco AP 9 604 1329
Bolognola MC 9 142 1471
Montefortino FM 10 1178 2649
Visso MC 11 1107 3756
Montegallo AP 12 523 4279
Amandola FM 13 3629 7908
Acquacanina MC 14 121 8029
Fiastra MC 15 559 8588
Sarnano MC 15 3264 11852
Preci PG 15 724 12576
Comunanza AP 16 3166 15742
Arquata del Tronto AP 17 1178 16920
Norcia PG 17 4957 21877
Fiordimonte MC 18 202 22079
Palmiano AP 19 196 22275
Gualdo MC 20 815 23090

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
48 Km NW of Teramo (54892 inhabitants)
61 Km NE of Terni (111501 inhabitants)
64 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
88 Km NW of Montesilvano (53738 inhabitants)
95 Km NW of Pescara (121014 inhabitants)
99 Km NW of Chieti (51815 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 1.0 2022-04-20
06:23:26
42.9133 13.2232 4 2022-04-20
07:06:14
Sala Sismica INGV-Roma 103512451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-20 06:23:26 ± 0.1
Latitude 42.9133 ± 0.0027
Longitude 13.2232 ± 0.0025
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103512451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 305
Semi-minor axis of confidence ellipse (meter) 139
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17897
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 103512451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-20 07:06:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.VLS.HHZ. 2022-04-20T06:24:33.29 3.0 undecidable manual Pn 0.57 0
IV.CSNT.HHZ. 2022-04-20T06:24:28.89 3.0 undecidable manual Sn 0.55 0
IV.ZEN8.EHZ. 2022-04-20T06:24:25.52 3.0 undecidable manual Pg 17.6 0
RD.PGF.BHZ. 2022-04-20T06:24:19.16 3.0 undecidable manual Pn 6.47 0
SI.BOSI.HHZ. 2022-04-20T06:24:19.54 3.0 negative manual Pg 7.34 0
GU.GRAM.HHZ. 2022-04-20T06:24:16.51 3.0 positive manual Pg 10.89 0
IV.BAG8.EHZ. 2022-04-20T06:24:06.54 3.0 positive manual Pn -4.97 0
IV.RIBO.EHZ.01 2022-04-20T06:24:04.30 3.0 undecidable manual Pg 12.59 0
IV.GUMA.HHZ. 2022-04-20T06:23:51.86 3.0 undecidable manual Sg 1.2 0
MN.TRI.HHZ. 2022-04-20T06:23:49.79 3.0 positive manual Pn -0.99 0
IV.IMOL.HNZ. 2022-04-20T06:23:44.38 3.0 positive manual Pn -5.52 0
IV.CMPR.HHZ. 2022-04-20T06:23:40.22 3.0 negative manual Pn -2.71 0
IV.SSFR.HHZ. 2022-04-20T06:23:33.62 3.0 undecidable manual Pn -1.73 0
IV.ARVD.HHZ. 2022-04-20T06:23:33.60 3.0 positive manual P -0.51 0
IV.CSP1.EHZ. 2022-04-20T06:23:33.63 0.3 undecidable manual S 356 19.869 102 0.14 71
IV.FDMO.HHZ. 2022-04-20T06:23:32.69 0.6 undecidable manual S 321 17.5713 103 -0.02 49
IV.SNTG.HHZ. 2022-04-20T06:23:32.18 3.0 positive manual P -1.01 0
IV.NRCA.HHZ. 2022-04-20T06:23:31.35 0.6 undecidable manual S 225 12.4764 108 0.32 46
IV.CSP1.EHZ. 2022-04-20T06:23:30.61 1.0 undecidable manual P 356 19.869 102 0.09 24
7F.SIB2.EHE. 2022-04-20T06:23:29.25 0.3 undecidable manual S 111 6.993 120 -0.01 74
IV.FDMO.HHZ. 2022-04-20T06:23:29.72 1.0 undecidable manual P 321 17.5713 103 -0.34 23
IV.MMO1.EHZ. 2022-04-20T06:23:29.93 0.3 undecidable manual S 100 8.5803 115 0.19 72
IV.NRCA.HHZ. 2022-04-20T06:23:29.09 0.3 undecidable manual P 225 12.4764 108 0 74
IV.MMO1.EHZ. 2022-04-20T06:23:28.14 0.1 undecidable manual P 100 8.5803 115 -0.21 95
7F.SIB1.EHE. 2022-04-20T06:23:28.64 0.3 undecidable manual S 119 4.2957 133 0.12 73
7F.SIB3.EHE. 2022-04-20T06:23:28.80 0.3 undecidable manual S 138 5.6943 125 -0.09 74
7F.SIB2.EHE. 2022-04-20T06:23:28.03 0.1 undecidable manual P 111 6.993 120 -0.05 99
IV.MC2.EHE. 2022-04-20T06:23:28.04 0.3 undecidable manual S 265 2.7972 146 -0.13 73
IV.MC2.EHE. 2022-04-20T06:23:27.43 0.1 undecidable manual P 265 2.7972 146 -0.01 100
7F.SIB1.EHE. 2022-04-20T06:23:27.75 0.1 undecidable manual P 119 4.2957 133 0.1 98
7F.SIB3.EHE. 2022-04-20T06:23:27.78 0.1 undecidable manual P 138 5.6943 125 -0.08 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00014726055 0.16 AML other m 2022-04-20T06:23:31.67
IV.NRCA.HHE. ML:1.2 0.00021799999999999999 0.14 AML other m 2022-04-20T06:23:31.70
IV.MMO1.EHE. ML:0.0 0.000058347165 0.08 AML other m 2022-04-20T06:23:31.04
IV.MMO1.EHN. ML:0.0 0.00005943118500000001 0.2816 AML other m 2022-04-20T06:23:31.06
IV.NRCA.HNE. ML:1.2 0.00021180064999999998 0.1312 AML other m 2022-04-20T06:23:31.64
IV.NRCA.HNN. ML:1.0 0.000127642605 0.16 AML other m 2022-04-20T06:23:31.52
IV.FDMO.HHN. ML:0.2 0.000012762463500000002 0.16 AML other m 2022-04-20T06:23:32.93
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