Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 18-03-2020 and time 03:07:41 (Italy) in region 4 km W Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km W Castelsantangelo sul Nera (MC), on

  • 18-03-2020 02:07:41 (UTC)
  • 18-03-2020 03:07:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8810, 13.1080 at 8 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.

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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 4 281 281
Preci PG 6 724 1005
Visso MC 6 1107 2112
Ussita MC 8 444 2556
Norcia PG 10 4957 7513
Sellano PG 15 1079 8592
Monte Cavallo MC 15 145 8737
Bolognola MC 16 142 8879
Cerreto di Spoleto PG 17 1075 9954
Fiordimonte MC 18 202 10156
Acquacanina MC 18 121 10277
Fiastra MC 18 559 10836
Montemonaco AP 18 604 11440
Pieve Torina MC 19 1458 12898
Montegallo AP 19 523 13421
Arquata del Tronto AP 20 1178 14599
Cascia PG 20 3217 17816

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
64 Km E of Perugia (166134 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
97 Km NE 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 1.1 2020-03-18
02:07:41		 42.8812 13.1085 8 2020-03-18
02:14:11		 Sala Sismica INGV-Roma 77334061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-18 02:07:41 ± 0.04
Latitude 42.8812 ± 0.0018
Longitude 13.1085 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77334061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 203
Semi-minor axis of confidence ellipse (meter) 149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39300
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 77334061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-18 02:14:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-03-18T02:08:04.67 3.0 undecidable manual S -0.14 0
IV.CADA.HNZ. 2020-03-18T02:08:00.58 3.0 undecidable manual S -2.47 0
IV.RM33.EHZ. 2020-03-18T02:07:56.18 0.6 undecidable manual S 168 42.1245 50 -0.05 47
IV.ARRO.EHZ. 2020-03-18T02:07:56.80 0.6 undecidable manual S 220 43.623 50 0.19 45
IV.SSFR.HHZ. 2020-03-18T02:07:54.04 3.0 undecidable manual P -0.25 0
IV.SMA1.EHZ. 2020-03-18T02:07:54.18 0.6 undecidable manual S 146 33.3444 104 0.37 44
IV.T1299.HNN. 2020-03-18T02:07:53.12 0.6 undecidable manual S 153 30.8469 105 0.17 47
IV.LNSS.HHZ. 2020-03-18T02:07:53.59 0.6 undecidable manual S 190 31.3464 105 0.46 44
IV.MML1.EHE. 2020-03-18T02:07:52.25 0.6 undecidable manual S 337 28.0497 106 0.22 46
IV.GUMA.HHZ. 2020-03-18T02:07:52.15 0.6 undecidable manual S 42 27.2505 107 0.38 45
IV.FOSV.EHZ. 2020-03-18T02:07:52.15 3.0 positive manual P 0.06 0
IV.ATCC.EHZ. 2020-03-18T02:07:51.43 3.0 negative manual P -0.16 0
IV.EL6.EHZ. 2020-03-18T02:07:51.00 3.0 undecidable manual P -0.41 0
IV.MNTT.EHZ. 2020-03-18T02:07:51.20 3.0 negative manual P 0.6 0
IV.MTRA.EHZ. 2020-03-18T02:07:51.70 0.6 undecidable manual S 120 27.1506 107 -0.04 48
IV.TERO.HHZ. 2020-03-18T02:07:51.20 3.0 negative manual P -0.29 0
IV.CSP1.EHZ. 2020-03-18T02:07:50.89 0.6 undecidable manual S 18 24.6531 108 -0.01 49
IV.RM33.EHZ. 2020-03-18T02:07:50.08 0.6 negative manual P 168 42.1245 50 -0.08 46
IV.MOMA.HHZ. 2020-03-18T02:07:50.89 3.0 undecidable manual P 0.3 0
IV.ARRO.EHZ. 2020-03-18T02:07:50.38 0.6 positive manual P 220 43.623 50 0 47
IV.SNTG.HHZ. 2020-03-18T02:07:50.55 3.0 negative manual P 0.16 0
IV.CESI.HHZ. 2020-03-18T02:07:49.92 0.6 undecidable manual S 310 21.4674 111 0.05 49
IV.SMA1.EHZ. 2020-03-18T02:07:48.81 1.0 undecidable manual P 146 33.3444 104 0.04 24
IV.LNSS.HHZ. 2020-03-18T02:07:48.27 0.1 undecidable manual P 190 31.3464 105 -0.1 94
IV.MF5.EHZ. 2020-03-18T02:07:48.34 3.0 negative manual P 0.04 0
IV.FDMO.HHZ. 2020-03-18T02:07:48.40 0.3 undecidable manual S 354 17.3715 115 -0.14 72
IT.MTCL.HGN. 2020-03-18T02:07:48.02 0.6 undecidable manual S 325 15.3735 118 0.1 49
IV.MMO1.EHZ. 2020-03-18T02:07:48.70 0.3 undecidable manual S 83 17.871 115 0 74
IV.GUMA.HHZ. 2020-03-18T02:07:47.67 0.1 undecidable manual P 42 27.2505 107 0.08 96
IV.T1299.HNN. 2020-03-18T02:07:47.90 0.1 undecidable manual P 153 30.8469 105 -0.37 89
IV.MML1.EHE. 2020-03-18T02:07:47.62 0.1 undecidable manual P 337 28.0497 106 -0.12 95
IV.MTRA.EHZ. 2020-03-18T02:07:47.44 0.1 undecidable manual P 120 27.1506 107 -0.13 95
IV.FEMA.HNN. 2020-03-18T02:07:46.35 0.3 undecidable manual S 332 10.1787 129 -0.07 74
IV.CESI.HHZ. 2020-03-18T02:07:46.52 0.1 undecidable manual P 310 21.4674 111 0.03 98
IV.CSP1.EHZ. 2020-03-18T02:07:46.94 0.1 undecidable manual P 18 24.6531 108 -0.15 95
IV.FDMO.HHZ. 2020-03-18T02:07:45.68 0.1 undecidable manual P 354 17.3715 115 -0.04 98
IT.MTCL.HGN. 2020-03-18T02:07:45.37 0.1 undecidable manual P 325 15.3735 118 0 99
IV.NRCA.HNZ. 2020-03-18T02:07:45.08 0.3 undecidable manual S 175 5.2947 147 -0.19 73
IV.MMO1.EHZ. 2020-03-18T02:07:45.80 0.3 positive manual P 83 17.871 115 -0.02 74
IV.MC2.EHZ. 2020-03-18T02:07:45.82 0.3 undecidable manual S 63 7.3815 138 0.11 74
IV.FEMA.HNN. 2020-03-18T02:07:44.58 0.1 undecidable manual P 332 10.1787 129 0.08 98
IV.MC2.EHZ. 2020-03-18T02:07:44.14 0.1 positive manual P 63 7.3815 138 0.05 99
IV.NRCA.HNZ. 2020-03-18T02:07:43.88 0.1 undecidable manual P 175 5.2947 147 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.0 0.0020722814999999998 0.1008 AML other m 2020-03-18T02:07:45.48
IV.NRCA.HHN. ML:0.0 0.0017792075 0.12 AML other m 2020-03-18T02:07:45.18
IV.NRCA.HNE. ML:0.0 0.0019186329999999999 0.12 AML other m 2020-03-18T02:07:45.48
IV.NRCA.HNN. ML:0.0 0.0016495134999999998 0.1104 AML other m 2020-03-18T02:07:45.18
IV.FDMO.HHE. ML:1.4 0.00020056695 0.2016 AML other m 2020-03-18T02:07:49.48
IV.FDMO.HHN. ML:1.3 0.0001831111 0.1984 AML other m 2020-03-18T02:07:49.16
IV.CESI.HNE. ML:1.2 0.0001007557355 1.4112 AML other m 2020-03-18T02:07:50.15
IV.CESI.HNN. ML:1.3 0.000148203195 1.3312 AML other m 2020-03-18T02:07:51.20
IV.CESI.HHE. ML:1.0 0.000080849735 0.2 AML other m 2020-03-18T02:07:50.64
IV.CESI.HHN. ML:1.2 0.00010194804 0.32 AML other m 2020-03-18T02:07:50.79
IV.CSP1.EHE. ML:1.1 0.00007831935 0.2208 AML other m 2020-03-18T02:07:51.56
IV.CSP1.EHN. ML:1.0 0.00006321561 0.12 AML other m 2020-03-18T02:07:52.73
IV.GUMA.HHE. ML:1.4 0.00013087110000000002 0.3392 AML other m 2020-03-18T02:07:53.16
IV.GUMA.HHN. ML:1.5 0.00017914039999999997 0.2816 AML other m 2020-03-18T02:07:52.42
IV.GUMA.HNE. ML:1.4 0.00014517787 0.2896 AML other m 2020-03-18T02:07:52.43
IV.GUMA.HNN. ML:1.9 0.00044574385 2.7296 AML other m 2020-03-18T02:07:52.38
IV.LNSS.HHE. ML:1.0 0.000048946240000000005 0.12 AML other m 2020-03-18T02:07:55.60
IV.LNSS.HHN. ML:1.1 0.000066494395 0.16 AML other m 2020-03-18T02:07:55.65
IV.MF5.EHE. ML:0.8 0.0000321410795 0.5792 AML other m 2020-03-18T02:07:57.22
IV.MF5.EHN. ML:0.8 0.000030415134500000004 0.32 AML other m 2020-03-18T02:07:56.75
IV.SMA1.EHE. ML:0.8 0.000030403755 0.2192 AML other m 2020-03-18T02:07:56.75
IV.SMA1.EHN. ML:0.8 0.00002934689 0.2016 AML other m 2020-03-18T02:07:55.80
IV.RM33.EHE. ML:0.9 0.000022926375 0.1808 AML other m 2020-03-18T02:07:57.32
IV.RM33.EHN. ML:0.8 0.000021483080000000003 0.2016 AML other m 2020-03-18T02:07:57.51
IV.ARRO.EHE. ML:1.0 0.000032992805 0.1792 AML other m 2020-03-18T02:07:58.31
IV.ARRO.EHN. ML:0.9 0.0000272476455 0.2208 AML other m 2020-03-18T02:07:57.54
IV.SNTG.HHE. ML:0.8 0.0000181091075 0.1008 AML other m 2020-03-18T02:07:57.19
IV.SNTG.HHN. ML:0.8 0.000019442790000000002 0.12 AML other m 2020-03-18T02:07:58.00
IV.MOMA.HHE. ML:0.9 0.000027298445 0.2 AML other m 2020-03-18T02:07:58.22
IV.MOMA.HHN. ML:0.8 0.000020282721 0.1792 AML other m 2020-03-18T02:07:59.91
IV.EL6.EHE. ML:1.2 0.00004541494 0.28 AML other m 2020-03-18T02:08:01.32
IV.EL6.EHN. ML:1.5 0.00008527888499999999 0.24 AML other m 2020-03-18T02:07:59.56
IV.MNTT.EHE. ML:1.3 0.00005826377 0.32 AML other m 2020-03-18T02:08:00.92
IV.MNTT.EHN. ML:1.3 0.00005789532 0.2992 AML other m 2020-03-18T02:07:59.29
IV.TERO.HHE. ML:1.0 0.000023521924999999998 0.1808 AML other m 2020-03-18T02:07:58.55
IV.TERO.HHN. ML:0.9 0.00002141154 0.2 AML other m 2020-03-18T02:07:59.72
IV.ATCC.EHE. ML:1.0 0.000024210075 0.2192 AML other m 2020-03-18T02:08:00.40
IV.ATCC.EHN. ML:1.0 0.00002733688 0.1808 AML other m 2020-03-18T02:08:00.34
IV.FOSV.EHE. ML:0.9 0.000017763795 0.1792 AML other m 2020-03-18T02:08:00.74
IV.FOSV.EHN. ML:0.8 0.000015653885999999998 0.12 AML other m 2020-03-18T02:08:01.15
IV.SSFR.HHE. ML:1.4 0.00004886291 0.1808 AML other m 2020-03-18T02:08:04.28
IV.SSFR.HHN. ML:1.4 0.000043705664999999995 0.28 AML other m 2020-03-18T02:08:04.26
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