Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 18-03-2022 and time 20:45:48 (Italy) in region 2 km N Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 2 km N Castelsantangelo sul Nera (MC), on

  • 18-03-2022 19:45:48 (UTC)
  • 18-03-2022 20:45:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9120, 13.1480 at 13 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.

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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 2 281 281
Ussita MC 4 444 725
Visso MC 5 1107 1832
Preci PG 10 724 2556
Bolognola MC 11 142 2698
Acquacanina MC 13 121 2819
Fiastra MC 14 559 3378
Norcia PG 14 4957 8335
Fiordimonte MC 15 202 8537
Montemonaco AP 15 604 9141
Monte Cavallo MC 15 145 9286
Montefortino FM 16 1178 10464
Pieve Torina MC 17 1458 11922
Montegallo AP 17 523 12445
Pievebovigliana MC 18 866 13311
Sellano PG 18 1079 14390
Sarnano MC 19 3264 17654
Amandola FM 19 3629 21283
Arquata del Tronto AP 20 1178 22461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
65 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
93 Km W of Montesilvano (53738 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 1.1 2022-03-18
19:45:48		 42.912 13.1475 13 2022-07-08
12:33:59		 Bollettino Sismico Italiano INGV 104914551
Reviewed
Rev100 		ML 0.9 2022-03-18
19:45:48		 42.9173 13.1443 11 2022-03-18
19:51:22		 Sala Sismica INGV-Roma 102124061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-18 19:45:48 ± 0.09
Latitude 42.9120 ± 0.0045
Longitude 13.1475 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104914551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 395
Semi-minor axis of confidence ellipse (meter) 345
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 104914551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-20 15:17:14

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 102124061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-18 19:51:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2022-03-18T19:46:04.40 0.6 undecidable manual S 131 49.1175 93 0.23 45
IV.MF5.EHZ. 2022-03-18T19:45:59.04 0.3 undecidable manual S 72 26.751 98 0.83 59
IV.TERO.HHZ. 2022-03-18T19:45:57.55 0.1 undecidable manual P 131 49.1175 93 -0.04 93
IV.MML1.EHZ. 2022-03-18T19:45:57.86 0.6 undecidable manual S 328 26.5512 98 -0.3 46
IV.PF6.EHN. 2022-03-18T19:45:57.60 0.3 undecidable manual S 9 25.3524 99 -0.25 69
IV.CESI.HHZ. 2022-03-18T19:45:57.12 0.3 undecidable manual S 298 22.2555 101 0.08 72
IV.CSP1.EHZ. 2022-03-18T19:45:56.47 0.3 undecidable manual S 13 20.4684 103 -0.11 72
IT.MTCL.HGZ. 2022-03-18T19:45:55.02 0.1 undecidable manual S 307 15.0738 114 -0.18 96
IV.FEMA.HNE. 2022-03-18T19:45:54.06 0.3 undecidable manual S 305 9.6792 132 0.06 74
IV.FDMO.HHZ. 2022-03-18T19:45:54.89 0.3 undecidable manual S 341 14.6742 115 -0.21 71
IV.MF5.EHZ. 2022-03-18T19:45:54.54 0.1 undecidable manual P 72 26.751 98 0.39 91
7F.SIB2.EHE. 2022-03-18T19:45:54.18 0.3 undecidable manual S 100 12.876 121 -0.51 67
7F.SIB1.EHE. 2022-03-18T19:45:54.08 0.1 undecidable manual S 101 10.1787 131 -0.01 100
IV.MMO1.EHZ. 2022-03-18T19:45:54.82 0.1 undecidable manual S 95 14.6742 115 -0.28 94
IV.MML1.EHZ. 2022-03-18T19:45:54.12 0.3 undecidable manual P 328 26.5512 98 0 73
IV.CESI.HHZ. 2022-03-18T19:45:53.56 0.1 undecidable manual P 298 22.2555 101 0.09 96
IV.GUMA.HHZ. 2022-03-18T19:45:53.74 0.1 undecidable manual P 42 22.6551 101 0.22 95
IV.NRCA.HHZ. 2022-03-18T19:45:53.65 0.3 undecidable manual S 197 9.0798 135 -0.24 73
7F.SIB3.EHN. 2022-03-18T19:45:53.83 0.3 undecidable manual S 112 10.7781 128 -0.39 69
IV.MC2.EHZ. 2022-03-18T19:45:53.20 0.3 undecidable manual S 91 3.3966 162 0.13 74
IV.CSP1.EHZ. 2022-03-18T19:45:53.22 0.1 negative manual P 13 20.4684 103 0.01 98
IV.PF6.EHN. 2022-03-18T19:45:53.82 0.1 undecidable manual P 9 25.3524 99 -0.12 95
7F.SIB2.EHE. 2022-03-18T19:45:52.08 0.1 undecidable manual P 100 12.876 121 -0.04 99
IV.MMO1.EHZ. 2022-03-18T19:45:52.32 0.1 undecidable manual P 95 14.6742 115 -0.03 99
IV.FDMO.HHZ. 2022-03-18T19:45:52.35 0.1 undecidable manual P 341 14.6742 115 0 100
IT.MTCL.HGZ. 2022-03-18T19:45:52.42 0.1 undecidable manual P 307 15.0738 114 0.01 99
IV.MC2.EHZ. 2022-03-18T19:45:51.39 0.1 undecidable manual P 91 3.3966 162 0.21 97
7F.SIB1.EHE. 2022-03-18T19:45:51.91 0.1 undecidable manual P 101 10.1787 131 0.14 98
IV.FEMA.HNE. 2022-03-18T19:45:51.90 0.1 undecidable manual P 305 9.6792 132 0.18 97
IV.NRCA.HHZ. 2022-03-18T19:45:51.70 0.1 undecidable manual P 197 9.0798 135 0.05 99
7F.SIB3.EHN. 2022-03-18T19:45:51.82 0.1 undecidable manual P 112 10.7781 128 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.1 0.0001003 0.82 AML other m 2022-03-18T19:45:55.17
IV.FDMO.HHE. ML:0.9 0.00006610000000000001 1.32 AML other m 2022-03-18T19:45:55.19
IV.MC2.EHN. ML:1.4 0.0003336323 0.2048 AML other m 2022-03-18T19:45:53.98
IV.MC2.EHE. ML:1.4 0.0003507053 0.1408 AML other m 2022-03-18T19:45:53.37
IV.MMO1.EHN. ML:0.7 0.000041932619999999994 0.1024 AML other m 2022-03-18T19:45:55.85
IV.MMO1.EHE. ML:0.8 0.000049704495000000005 0.128 AML other m 2022-03-18T19:45:54.98
IV.CSP1.EHN. ML:1.2 0.000113316535 0.1664 AML other m 2022-03-18T19:45:56.63
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