Earthquake with magnitude of ML 1.2 on date 30-04-2020 and time 00:55:15 (UTC) in region 2 km E Castelsantangelo sul Nera (MC)

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

  • 30-04-2020 00:55:15 (UTC)
  • 30-04-2020 02:55:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8990, 13.1800 at 10 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 2 281 281
Ussita MC 6 444 725
Visso MC 8 1107 1832
Bolognola MC 11 142 1974
Preci PG 12 724 2698
Montemonaco AP 12 604 3302
Norcia PG 14 4957 8259
Montegallo AP 14 523 8782
Montefortino FM 14 1178 9960
Acquacanina MC 15 121 10081
Fiastra MC 15 559 10640
Arquata del Tronto AP 17 1178 11818
Fiordimonte MC 17 202 12020
Amandola FM 17 3629 15649
Monte Cavallo MC 18 145 15794
Sarnano MC 18 3264 19058
Pieve Torina MC 19 1458 20516
Pievebovigliana MC 20 866 21382

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
63 Km N of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
97 Km NW 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 2020-04-30
00:55:15
42.899 13.1798 10 2020-04-30
01:21:08
Sala Sismica INGV-Roma 78683011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-30 00:55:15 ± 0.08
Latitude 42.8990 ± 0.0045
Longitude 13.1798 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78683011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 52
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.41639
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.5
Num. used stations 14
Type of magnitude ML
Reference to an origin 78683011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-30 01:21:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-04-30T00:55:30.55 0.6 undecidable manual S 131 46.2204 50 -0.19 45
IV.MML1.EHZ. 2020-04-30T00:55:25.84 0.6 undecidable manual S 325 29.1486 50 -0.36 45
IV.MF5.EHE. 2020-04-30T00:55:25.08 0.1 undecidable manual S 66 24.753 111 0.21 93
IV.CESI.HHZ. 2020-04-30T00:55:24.87 0.6 undecidable manual S 298 25.2525 111 -0.16 47
IV.TERO.HHZ. 2020-04-30T00:55:24.22 1.0 undecidable manual P 131 46.2204 50 -0.14 23
IV.MML1.EHZ. 2020-04-30T00:55:22.50 0.3 undecidable manual P 325 29.1486 50 0.76 59
IT.MTCL.HGE. 2020-04-30T00:55:22.50 0.3 undecidable manual S 306 18.0708 118 -0.25 70
IV.FDMO.HHZ. 2020-04-30T00:55:22.22 0.6 undecidable manual S 334 16.9719 120 -0.21 47
IV.FEMA.HNE. 2020-04-30T00:55:21.44 0.3 undecidable manual S 304 12.6762 127 0.26 70
IV.MF5.EHE. 2020-04-30T00:55:20.84 0.1 undecidable manual P 66 24.753 111 -0.13 94
IV.NRCA.HHZ. 2020-04-30T00:55:20.15 0.6 undecidable manual S 216 8.9799 137 -0.08 49
IV.CESI.HHZ. 2020-04-30T00:55:20.96 0.3 positive manual P 298 25.2525 111 -0.1 71
IV.MMO1.EHZ. 2020-04-30T00:55:20.67 0.6 undecidable manual S 90 11.9769 129 -0.31 46
IV.FDMO.HHZ. 2020-04-30T00:55:19.49 0.1 undecidable manual P 334 16.9719 120 -0.07 97
IT.MTCL.HGE. 2020-04-30T00:55:19.69 0.3 undecidable manual P 306 18.0708 118 -0.05 73
IV.MC2.EHE. 2020-04-30T00:55:19.09 0.1 undecidable manual S 28 1.5984 171 0.04 100
IV.MMO1.EHZ. 2020-04-30T00:55:18.66 0.1 undecidable manual P 90 11.9769 129 -0.06 98
IV.NRCA.HHZ. 2020-04-30T00:55:18.40 0.1 undecidable manual P 216 8.9799 137 0.11 97
IV.FEMA.HNE. 2020-04-30T00:55:18.99 0.6 undecidable manual P 304 12.6762 127 0.15 48
IV.MC2.EHE. 2020-04-30T00:55:17.74 0.1 undecidable manual P 28 1.5984 171 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.3 0.000253776 0.16 AML other m 2020-04-30T00:55:20.25
IV.NRCA.HHN. ML:1.6 0.0005222987500000001 0.14 AML other m 2020-04-30T00:55:20.29
IV.NRCA.HNE. ML:1.2 0.00022317915 0.16 AML other m 2020-04-30T00:55:20.33
IV.NRCA.HNN. ML:1.5 0.0004760641 0.14 AML other m 2020-04-30T00:55:20.29
IV.FDMO.HHE. ML:0.2 0.0000157298465 0.1 AML other m 2020-04-30T00:55:22.53
IV.FDMO.HHN. ML:0.5 0.000023877089999999998 0.14 AML other m 2020-04-30T00:55:22.50
IV.CESI.HNE. ML:1.4 0.00013206845000000001 0.79 AML other m 2020-04-30T00:55:24.79
IV.CESI.HNN. ML:1.4 0.000142543325 0.78 AML other m 2020-04-30T00:55:22.19
IV.CESI.HHE. ML:0.5 0.000018039286949999997 0.22 AML other m 2020-04-30T00:55:25.03
IV.CESI.HHN. ML:0.8 0.000039387035 0.1 AML other m 2020-04-30T00:55:25.18
IV.TERO.HHE. ML:0.5 0.000009283465000000001 0.16 AML other m 2020-04-30T00:55:30.82
IV.TERO.HHN. ML:0.2 0.000006548673999999999 0.84 AML other m 2020-04-30T00:55:46.30
IV.TERO.HNE. ML:1.6 0.00012968805 0.78 AML other m 2020-04-30T00:55:24.36
IV.TERO.HNN. ML:1.7 0.00014604145500000002 1.14 AML other m 2020-04-30T00:55:35.60
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