Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 30-03-2020 and time 11:36:57 (UTC) in region 5 km SW Castelsantangelo sul Nera (MC)

A magnitude ML 0.4 earthquake occured in region: 5 km SW Castelsantangelo sul Nera (MC), on

  • 30-03-2020 11:36:57 (UTC)
  • 30-03-2020 13:36:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8730, 13.1080 at 10 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 5 281 281
Preci PG 6 724 1005
Visso MC 7 1107 2112
Ussita MC 8 444 2556
Norcia PG 9 4957 7513
Sellano PG 15 1079 8592
Monte Cavallo MC 16 145 8737
Cerreto di Spoleto PG 17 1075 9812
Bolognola MC 17 142 9954
Montemonaco AP 18 604 10558
Fiordimonte MC 18 202 10760
Acquacanina MC 18 121 10881
Montegallo AP 19 523 11404
Fiastra MC 19 559 11963
Cascia PG 19 3217 15180
Arquata del Tronto AP 19 1178 16358
Pieve Torina MC 20 1458 17816

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
64 Km E of Perugia (166134 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
96 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
Bulletin
Rev1000 		ML 0.4 2020-03-30
11:36:57		 42.8728 13.1077 10 2020-07-18
21:08:35		 Bollettino Sismico Italiano INGV 78840611
Reviewed
Rev100 		ML 1.6 2020-03-30
11:36:57		 42.8803 13.1107 8 2020-03-30
11:48:47		 Sala Sismica INGV-Roma 77700471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-30 11:36:57 ± 0.08
Latitude 42.8728 ± 0.0045
Longitude 13.1077 ± 0.0074
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78840611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 628
Semi-minor axis of confidence ellipse (meter) 435
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
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 32
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40020
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 78840611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-04 15:44:33

ML:1.6

Field Value
Value 1.6
Uncertainty 1.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 77700471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-30 11:48:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VENL.HNZ. 2020-03-30T11:38:28.14 3.0 undecidable manual Sg 12.59 0
IV.MNTV.HNZ. 2020-03-30T11:38:18.67 3.0 undecidable manual Sn -1.4 0
AC.KBN.HHZ. 2020-03-30T11:38:08.81 3.0 negative manual Pn 0.21 0
IV.MPPT.EHZ. 2020-03-30T11:38:05.74 3.0 undecidable manual Sg 12.01 0
MN.CLTB.HHZ. 2020-03-30T11:37:49.94 3.0 negative manual Pn -1.23 0
IV.CET2.HHZ. 2020-03-30T11:37:45.99 3.0 negative manual Pg 12.44 0
IV.PE3.EHZ. 2020-03-30T11:37:36.06 3.0 undecidable manual Sn 1.21 0
GU.CARD.HHZ. 2020-03-30T11:37:23.65 3.0 undecidable manual Pn -5.12 0
IV.ARVD.HHZ. 2020-03-30T11:37:14.67 3.0 undecidable manual Pg 5.37 0
IV.MCIV.CHZ. 2020-03-30T11:37:09.44 3.0 negative manual Pn 0.28 0
IV.SMA1.EHN. 2020-03-30T11:37:08.38 0.6 undecidable manual S 145 32.6451 50 -0.24 47
IV.MML1.HNZ. 2020-03-30T11:37:07.41 0.3 undecidable manual S 338 28.8489 50 -0.2 72
IV.CSP1.EHZ. 2020-03-30T11:37:06.87 0.3 undecidable manual S 18 25.5522 50 0.15 73
IV.PTRJ.HHZ. 2020-03-30T11:37:05.05 3.0 undecidable manual P 0.04 0
IV.CESI.HHZ. 2020-03-30T11:37:05.93 0.6 undecidable manual S 312 22.0668 115 0.17 49
IV.MOMA.HNZ. 2020-03-30T11:37:05.89 0.1 undecidable manual P 260 44.4222 50 0.25 93
IV.FDMO.HHZ. 2020-03-30T11:37:04.45 0.3 undecidable manual S 355 18.2706 120 -0.13 75
IV.MMO1.EHZ. 2020-03-30T11:37:04.69 0.3 undecidable manual S 81 18.0708 120 0.17 74
IV.MML1.HNZ. 2020-03-30T11:37:03.03 0.1 undecidable manual P 338 28.8489 50 -0.22 96
IV.SMA1.EHN. 2020-03-30T11:37:03.47 0.1 undecidable manual P 145 32.6451 50 -0.36 92
IV.CESI.HHZ. 2020-03-30T11:37:02.58 0.1 undecidable manual P 312 22.0668 115 0.4 93
IV.FEMA.HNZ. 2020-03-30T11:37:02.16 0.3 undecidable manual S 335 10.9779 133 -0.38 72
IV.CSP1.EHZ. 2020-03-30T11:37:02.96 0.3 undecidable manual P 18 25.5522 50 0.22 72
IV.MMO1.EHZ. 2020-03-30T11:37:01.68 0.1 undecidable manual P 81 18.0708 120 0.21 98
IV.NRCA.HHN. 2020-03-30T11:37:01.06 0.3 undecidable manual S 173 4.3956 157 -0.15 76
IV.FDMO.HHZ. 2020-03-30T11:37:01.72 0.3 undecidable manual P 355 18.2706 120 0.22 73
IV.MC2.EHZ. 2020-03-30T11:37:01.58 0.3 undecidable manual S 57 7.881 143 -0.24 74
IV.MC2.EHZ. 2020-03-30T11:37:00.12 0.3 undecidable manual P 57 7.881 143 0.21 75
IV.LRP.EHZ. 2020-03-30T11:36:59.20 3.0 positive manual P 2.61 0
IV.FEMA.HNZ. 2020-03-30T11:36:59.94 0.1 undecidable manual P 335 10.9779 133 -0.38 95
IV.NRCA.HHN. 2020-03-30T11:36:59.77 0.1 undecidable manual P 173 4.3956 157 0.21 100
IV.SRES.HHZ. 2020-03-30T11:36:58.25 3.0 negative manual Pn -0.65 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.5 0.00002555 0.16 AML other m 2020-03-30T11:37:05.08
IV.FDMO.HHE. ML:0.5 0.00002395 0.86 AML other m 2020-03-30T11:37:05.86
IV.CESI.HNN. ML:1.0 0.00007641390000000001 0.6336 AML other m 2020-03-30T11:37:06.91
IV.CESI.HHN. ML:0.2 0.0000100454794 0.2368 AML other m 2020-03-30T11:37:06.72
IV.CESI.HHE. ML:0.2 0.000007796561000000001 0.1408 AML other m 2020-03-30T11:37:06.38
IV.CESI.HNE. ML:0.5 0.0000216095615 0.256 AML other m 2020-03-30T11:37:06.09
IV.CSP1.EHE. ML:0.4 0.000014180366 0.3584 AML other m 2020-03-30T11:37:07.47
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