Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 11-07-2020 and time 12:27:52 (UTC) in region 2 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.2 earthquake occured in region: 2 km SE Castelsantangelo sul Nera (MC), on

  • 11-07-2020 12:27:52 (UTC)
  • 11-07-2020 14:27:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8840, 13.1640 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.

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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 7 444 725
Visso MC 8 1107 1832
Preci PG 10 724 2556
Norcia PG 12 4957 7513
Bolognola MC 13 142 7655
Montemonaco AP 14 604 8259
Montegallo AP 15 523 8782
Montefortino FM 16 1178 9960
Acquacanina MC 16 121 10081
Arquata del Tronto AP 16 1178 11259
Fiastra MC 17 559 11818
Monte Cavallo MC 18 145 11963
Fiordimonte MC 18 202 12165
Amandola FM 19 3629 15794
Sellano PG 19 1079 16873

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 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 1.2 2020-07-11
12:27:52		 42.884 13.164 12 2020-07-11
12:34:26		 Sala Sismica INGV-Roma 80952001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-11 12:27:52 ± 0.06
Latitude 42.8840 ± 0.0027
Longitude 13.1640 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80952001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 289
Semi-minor axis of confidence ellipse (meter) 245
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41549
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 80952001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-11 12:34:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HNZ. 2020-07-11T12:29:45.44 3.0 undecidable manual Sg 12.58 0
IV.ORI.HHZ. 2020-07-11T12:29:38.69 3.0 undecidable manual Sn -1.71 0
IV.MILN.HHZ. 2020-07-11T12:29:29.17 3.0 undecidable manual Sg 5.94 0
CH.GIMEL.HHZ. 2020-07-11T12:29:29.34 3.0 positive manual Pg 17.440001 0
IV.IMI.HHZ. 2020-07-11T12:29:27.56 3.0 undecidable manual Sn -3.37 0
IV.SARZ.HHZ. 2020-07-11T12:29:23.52 3.0 undecidable manual Sg 3.35 0
IV.CAPR.HNZ. 2020-07-11T12:29:22.90 3.0 undecidable manual Sg 6.31 0
ST.RONC.EHZ. 2020-07-11T12:29:06.98 3.0 undecidable manual Sn -8.56 0
OX.MPRI.HHZ. 2020-07-11T12:29:02.72 3.0 undecidable manual Sn -6.66 0
IV.CRTO.HHZ. 2020-07-11T12:29:02.60 3.0 undecidable manual Sn -2.54 0
GU.BHB.HHZ. 2020-07-11T12:28:57.51 3.0 undecidable manual Pn 4.16 0
IV.PTRJ.HNZ. 2020-07-11T12:28:57.65 3.0 undecidable manual Sg 3.67 0
IV.GATE.HHZ. 2020-07-11T12:28:56.56 3.0 undecidable manual Sg 1.87 0
IV.CAVE.HHZ. 2020-07-11T12:28:47.44 3.0 undecidable manual Sg -2.77 0
IV.PAOL.HHZ. 2020-07-11T12:28:35.15 3.0 undecidable manual Pg 7.13 0
IV.RIBO.EHZ.01 2020-07-11T12:28:30.71 3.0 undecidable manual Sg -4.78 0
IV.CRND.HNZ. 2020-07-11T12:28:24.70 3.0 undecidable manual Pg -3.62 0
IV.TERO.HHZ. 2020-07-11T12:28:06.95 0.3 undecidable manual S 129 46.1205 92 0.03 70
IT.FIE.HGZ. 2020-07-11T12:28:04.93 3.0 positive manual P -6.25 0
IV.CESI.HHZ. 2020-07-11T12:28:01.47 0.6 undecidable manual S 303 24.9528 94 0.18 48
IV.MF5.EHZ. 2020-07-11T12:28:01.92 0.3 undecidable manual S 64 26.6511 94 0.19 70
IV.TERO.HHZ. 2020-07-11T12:28:00.56 0.6 undecidable manual P 129 46.1205 92 -0.12 46
IV.MTRA.EHZ. 2020-07-11T12:28:00.75 0.3 undecidable manual S 127 23.6541 95 -0.18 71
IT.MTCL.HGZ. 2020-07-11T12:27:59.42 0.3 undecidable manual S 312 18.0708 100 -0.04 73
IV.FDMO.HHZ. 2020-07-11T12:27:59.13 0.3 undecidable manual S 340 18.0708 100 -0.31 69
IV.CSP1.EHZ. 2020-07-11T12:27:57.00 0.3 undecidable manual P 8 23.2545 95 -0.17 71
IV.CESI.HHZ. 2020-07-11T12:27:57.61 0.3 undecidable manual P 303 24.9528 94 0.18 71
IV.MF5.EHZ. 2020-07-11T12:27:57.82 0.3 undecidable manual P 64 26.6511 94 0.14 71
IV.FDMO.HHZ. 2020-07-11T12:27:56.27 0.1 undecidable manual P 340 18.0708 100 -0.09 97
IV.MC2.EHE. 2020-07-11T12:27:56.32 0.3 undecidable manual S 34 3.6963 158 -0.1 75
IT.MTCL.HGZ. 2020-07-11T12:27:56.45 0.1 undecidable manual P 312 18.0708 100 0.08 98
IV.NRCA.HNZ. 2020-07-11T12:27:56.87 0.1 undecidable manual S 216 6.8931 141 0.01 100
IV.MTRA.EHZ. 2020-07-11T12:27:56.88 0.6 undecidable manual P 127 23.6541 95 -0.34 46
IV.NRCA.HNZ. 2020-07-11T12:27:55.04 0.1 undecidable manual P 216 6.8931 141 0.17 97
IV.NARO.HHZ. 2020-07-11T12:27:54.44 3.0 undecidable manual S -7.48 0
IV.MC2.EHE. 2020-07-11T12:27:54.71 0.1 undecidable manual P 34 3.6963 158 0.09 99
IV.PE3.EHZ. 2020-07-11T12:27:50.44 3.0 undecidable manual P -6.35 0
IV.MMUR.HNZ. 2020-07-11T12:27:42.64 3.0 undecidable manual P -4.69 0
IV.ARVD.HHZ. 2020-07-11T12:27:42.03 3.0 positive manual P -6.79 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.8 0.000867 1.84 AML other m 2020-07-11T12:27:56.03
IV.NRCA.HHN. ML:1.9 0.00108 0.1 AML other m 2020-07-11T12:27:57.59
IV.FDMO.HHE. ML:1.0 0.0000747 0.22 AML other m 2020-07-11T12:27:59.66
IV.FDMO.HHN. ML:1.2 0.00011949999999999999 0.64 AML other m 2020-07-11T12:27:59.53
IV.MTRA.EHE. ML:1.5 0.000191 0.16 AML other m 2020-07-11T12:28:01.01
IV.MTRA.EHN. ML:1.5 0.0001945 0.44 AML other m 2020-07-11T12:28:01.12
IV.CESI.HHN. ML:1.3 0.000105 1.8 AML other m 2020-07-11T12:28:01.97
IV.CESI.HHE. ML:1.1 0.00006950000000000001 0.42 AML other m 2020-07-11T12:28:02.08
IV.SMA1.EHN. ML:0.8 0.00003145 0.8 AML other m 2020-07-11T12:28:03.74
IV.TERO.HHE. ML:1.0 0.000028899999999999998 0.28 AML other m 2020-07-11T12:28:07.85
IV.TERO.HHN. ML:0.9 0.00002265 0.5 AML other m 2020-07-11T12:28:07.74
IV.SMA1.EHE. ML:0.8 0.0000313 0.52 AML other m 2020-07-11T12:28:11.29
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