Earthquake with magnitude of ML 0.9 on date 31-03-2022 and time 06:22:01 (Italy) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 31-03-2022 04:22:01 (UTC)
  • 31-03-2022 06:22:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8250, 13.1850 at 12 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 8 281 281
Norcia PG 8 4957 5238
Arquata del Tronto AP 11 1178 6416
Montegallo AP 12 523 6939
Preci PG 13 724 7663
Ussita MC 14 444 8107
Visso MC 14 1107 9214
Montemonaco AP 14 604 9818
Accumoli RI 15 667 10485
Cascia PG 18 3217 13702
Montefortino FM 18 1178 14880
Bolognola MC 19 142 15022
Acquasanta Terme AP 19 2916 17938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km E of Viterbo (67173 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 0.9 2022-03-31
04:22:01
42.8252 13.1852 13 2022-03-31
04:35:12
Sala Sismica INGV-Roma 102599571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-31 04:22:01 ± 0.04
Latitude 42.8252 ± 0.0027
Longitude 13.1852 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 102599571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 269
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.31656
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 102599571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-31 04:35:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.HNN. 2022-03-31T04:22:13.67 0.6 undecidable manual S 176 35.1426 94 0.03 48
IV.CSP1.EHZ. 2022-03-31T04:22:12.24 0.3 undecidable manual S 3 29.6481 95 0.08 71
IV.CESI.HNZ. 2022-03-31T04:22:12.32 0.3 undecidable manual S 311 30.2475 95 -0.02 73
IV.LNSS.HNZ. 2022-03-31T04:22:11.72 0.3 undecidable manual S 206 27.3504 96 0.16 71
IV.GAVE.HNZ. 2022-03-31T04:22:11.72 0.3 undecidable manual S 238 27.9498 95 0.01 73
IV.SMA1.EHZ. 2022-03-31T04:22:10.94 0.3 undecidable manual S 150 24.8529 97 0.05 73
IV.RM33.HNN. 2022-03-31T04:22:08.14 1.0 undecidable manual P 176 35.1426 94 -0.49 22
IV.MMO1.EHZ. 2022-03-31T04:22:08.08 0.3 undecidable manual S 54 14.1747 114 -0.04 74
7F.SIB1.EHZ. 2022-03-31T04:22:07.29 0.3 undecidable manual S 42 10.3785 127 0.05 75
IV.GAVE.HNZ. 2022-03-31T04:22:07.52 0.3 undecidable manual P 238 27.9498 95 0 73
IV.CSP1.EHZ. 2022-03-31T04:22:07.44 0.6 undecidable manual P 3 29.6481 95 -0.34 45
7F.SIB2.EHE. 2022-03-31T04:22:07.43 0.3 undecidable manual S 53 12.0768 121 -0.2 72
IV.MC2.EHZ. 2022-03-31T04:22:07.34 0.3 undecidable manual S 2 9.5793 131 0.26 72
IV.CESI.HNZ. 2022-03-31T04:22:07.87 0.3 undecidable manual P 311 30.2475 95 -0.01 73
IV.LNSS.HNZ. 2022-03-31T04:22:07.40 0.3 undecidable manual P 206 27.3504 96 -0.03 72
IV.SMA1.EHZ. 2022-03-31T04:22:06.98 0.1 undecidable manual P 150 24.8529 97 -0.06 96
7F.SIB3.EHZ. 2022-03-31T04:22:06.71 0.3 undecidable manual S 51 8.88 134 -0.23 72
IV.NRCA.HHZ. 2022-03-31T04:22:06.25 0.3 undecidable manual S 279 5.8941 148 -0.19 72
IV.FDMO.HHZ. 2022-03-31T04:22:06.93 0.1 undecidable manual P 341 24.753 97 -0.1 96
IV.MC2.EHZ. 2022-03-31T04:22:05.04 0.3 undecidable manual P 2 9.5793 131 0.2 72
IV.MMO1.EHZ. 2022-03-31T04:22:05.51 0.1 undecidable manual P 54 14.1747 114 0.07 98
7F.SIB1.EHZ. 2022-03-31T04:22:05.16 0.1 undecidable manual P 42 10.3785 127 0.22 96
7F.SIB2.EHE. 2022-03-31T04:22:05.18 0.1 undecidable manual P 53 12.0768 121 0.02 100
7F.SIB3.EHZ. 2022-03-31T04:22:04.80 0.1 undecidable manual P 51 8.88 134 0.04 100
IV.NRCA.HHZ. 2022-03-31T04:22:04.54 0.1 undecidable manual P 279 5.8941 148 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.00019022125 0.0992 AML other m 2022-03-31T04:22:06.78
IV.NRCA.HHN. ML:1.3 0.0002654411 0.1408 AML other m 2022-03-31T04:22:06.48
IV.NRCA.HNE. ML:1.2 0.00023280175 0.0992 AML other m 2022-03-31T04:22:07.03
IV.NRCA.HNN. ML:1.3 0.0002689127 0.1024 AML other m 2022-03-31T04:22:07.01
IV.MC2.EHE. ML:0.9 0.00008555109500000001 0.1376 AML other m 2022-03-31T04:22:08.11
IV.MC2.EHN. ML:1.1 0.0001459055 0.1792 AML other m 2022-03-31T04:22:08.76
IV.MMO1.EHE. ML:0.7 0.000047242775 0.2176 AML other m 2022-03-31T04:22:08.27
IV.MMO1.EHN. ML:0.4 0.0000229610935 0.0992 AML other m 2022-03-31T04:22:08.57
IV.SMA1.EHE. ML:0.4 0.000013702844999999998 0.1376 AML other m 2022-03-31T04:22:11.25
IV.SMA1.EHN. ML:0.4 0.000013636606999999998 0.1376 AML other m 2022-03-31T04:22:12.20
IV.CSP1.EHE. ML:0.8 0.0000279901945 0.2016 AML other m 2022-03-31T04:22:12.61
IV.CSP1.EHN. ML:1.0 0.000043192074999999994 0.2016 AML other m 2022-03-31T04:22:12.52
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