Earthquake with magnitude of ML 1.2 on date 31-05-2020 and time 22:02:55 (Italy) in region 4 km E Castelsantangelo sul Nera (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km E Castelsantangelo sul Nera (MC), on

  • 31-05-2020 20:02:55 (UTC)
  • 31-05-2020 22:02:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9120, 13.1990 at 11 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 4 281 281
Ussita MC 6 444 725
Visso MC 9 1107 1832
Bolognola MC 10 142 1974
Montemonaco AP 11 604 2578
Montefortino FM 12 1178 3756
Acquacanina MC 13 121 3877
Montegallo AP 13 523 4400
Preci PG 14 724 5124
Fiastra MC 14 559 5683
Amandola FM 15 3629 9312
Norcia PG 16 4957 14269
Sarnano MC 16 3264 17533
Fiordimonte MC 17 202 17735
Arquata del Tronto AP 17 1178 18913
Comunanza AP 18 3166 22079
Monte Cavallo MC 19 145 22224
Pieve Torina MC 19 1458 23682
Pievebovigliana MC 19 866 24548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
50 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
64 Km N of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
89 Km NW 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 2020-05-31
20:02:55
42.912 13.1993 11 2020-05-31
20:09:32
Sala Sismica INGV-Roma 79759631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-31 20:02:55 ± 0.05
Latitude 42.9120 ± 0.0036
Longitude 13.1993 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79759631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 449
Semi-minor axis of confidence ellipse (meter) 285
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) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79590
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 23
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 79759631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-31 20:09:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RONT.HHZ. 2020-05-31T20:03:24.41 3.0 negative manual Pn 0.71 0
IV.APEC.HHZ. 2020-05-31T20:03:21.52 3.0 undecidable manual S -3.78 0
IV.LRP.EHZ. 2020-05-31T20:03:18.73 3.0 undecidable manual P 0.2 0
IV.ARVD.HHZ. 2020-05-31T20:03:16.89 0.3 undecidable manual S 342 68.2761 50 0.88 52
IV.ATCC.EHZ. 2020-05-31T20:03:13.03 0.6 undecidable manual S 304 54.501 50 0.68 39
IV.ASSB.HHZ. 2020-05-31T20:03:10.46 0.6 undecidable manual S 288 46.2204 50 0.34 44
IV.MGAB.HHZ. 2020-05-31T20:03:10.29 0.3 undecidable manual P 270 88.3449 50 -0.03 65
IV.TERO.HHZ. 2020-05-31T20:03:10.30 0.6 undecidable manual S 134 46.0206 50 0.23 45
IV.MURB.HHZ. 2020-05-31T20:03:07.03 0.1 undecidable manual P 306 67.0773 50 -0.02 90
IV.LNSS.HHZ. 2020-05-31T20:03:07.89 0.6 undecidable manual S 201 36.6411 50 0.31 45
IV.ARVD.HHZ. 2020-05-31T20:03:07.43 0.1 undecidable manual P 342 68.2761 50 0.2 87
IV.SMA1.EHZ. 2020-05-31T20:03:06.61 0.6 undecidable manual S 160 33.1446 50 -0.03 48
IV.CESI.HHZ. 2020-05-31T20:03:04.81 0.6 undecidable manual S 293 26.0517 50 0.07 48
IV.ATCC.EHZ. 2020-05-31T20:03:04.97 0.1 undecidable manual P 304 54.501 50 -0.15 90
IV.PF6.EHZ. 2020-05-31T20:03:04.12 0.6 undecidable manual S 359 25.0527 50 -0.36 45
IV.TERO.HHZ. 2020-05-31T20:03:03.76 0.6 undecidable manual P 134 46.0206 50 -0.04 47
IV.SNTG.HHZ. 2020-05-31T20:03:03.19 0.1 undecidable manual P 331 43.4232 50 -0.22 91
IV.ASSB.HHZ. 2020-05-31T20:03:03.56 0.3 positive manual P 288 46.2204 50 -0.27 67
IV.EL6.EHZ. 2020-05-31T20:03:03.67 0.6 undecidable manual P 350 46.9197 50 -0.28 44
IV.MTRA.EHZ. 2020-05-31T20:03:03.73 0.6 undecidable manual S 137 23.5542 50 -0.35 46
IV.CAMP.HHZ. 2020-05-31T20:03:03.35 0.1 undecidable manual P 158 45.1215 50 -0.31 89
IV.LNSS.HHZ. 2020-05-31T20:03:02.26 0.3 undecidable manual P 201 36.6411 50 -0.1 70
IV.MNTT.EHZ. 2020-05-31T20:03:02.90 0.1 positive manual P 63 36.2415 50 0.61 83
IT.MTCL.HGZ. 2020-05-31T20:03:02.45 0.6 undecidable manual S 299 18.5703 120 -0.22 47
IV.CSP1.EHZ. 2020-05-31T20:03:02.84 0.6 undecidable manual S 1 19.9689 118 -0.24 47
IV.FEMA.HNE. 2020-05-31T20:03:01.31 0.6 undecidable manual S 295 13.3755 129 0.16 48
IV.FDMO.HHN. 2020-05-31T20:03:01.76 0.6 undecidable manual S 327 16.5723 123 -0.3 47
IV.SMA1.EHZ. 2020-05-31T20:03:01.69 1.0 positive manual P 160 33.1446 50 -0.13 24
IV.NRCA.HNZ. 2020-05-31T20:03:00.60 0.6 undecidable manual S 218 11.0778 134 0.03 50
IV.MTRA.EHZ. 2020-05-31T20:03:00.13 1.0 undecidable manual P 137 23.5542 50 -0.21 24
IV.CESI.HHZ. 2020-05-31T20:03:00.44 0.6 undecidable manual P 293 26.0517 50 -0.29 46
IV.PF6.EHZ. 2020-05-31T20:03:00.24 0.1 undecidable manual P 359 25.0527 50 -0.33 91
IV.MMO1.EHZ. 2020-05-31T20:03:00.39 0.6 undecidable manual S 98 10.4784 135 -0.02 50
IV.CSP1.EHZ. 2020-05-31T20:02:59.63 0.6 undecidable manual P 1 19.9689 118 -0.13 48
IV.FDMO.HHN. 2020-05-31T20:02:59.02 0.1 undecidable manual P 327 16.5723 123 -0.15 96
IV.MC2.EHZ. 2020-05-31T20:02:59.43 0.6 undecidable manual S 265 0.7992 175 0.49 46
IT.MTCL.HGZ. 2020-05-31T20:02:59.36 0.1 undecidable manual P 299 18.5703 120 -0.17 96
IV.GUMA.HHZ. 2020-05-31T20:02:59.92 0.1 undecidable manual P 33 20.0688 118 0.14 96
IV.MMO1.EHZ. 2020-05-31T20:02:58.24 0.1 undecidable manual P 98 10.4784 135 0.02 100
IV.NRCA.HNZ. 2020-05-31T20:02:58.45 0.1 positive manual P 218 11.0778 134 0.14 98
IV.FEMA.HNE. 2020-05-31T20:02:58.82 0.1 undecidable manual P 295 13.3755 129 0.17 97
IV.MC2.EHZ. 2020-05-31T20:02:57.71 1.0 undecidable manual P 265 0.7992 175 0.34 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.2 0.001695 0.12 AML other m 2020-05-31T20:03:00.80
IV.NRCA.HHN. ML:2.2 0.0019649999999999997 0.16 AML other m 2020-05-31T20:03:00.72
IV.NRCA.HHE. ML:2.2 0.001925 0.16 AML other m 2020-05-31T20:03:00.80
IV.NRCA.HNN. ML:2.2 0.00196 0.16 AML other m 2020-05-31T20:03:00.80
IV.MTRA.EHN. ML:1.4 0.0001625 0.74 AML other m 2020-05-31T20:03:03.99
IV.MTRA.EHE. ML:1.3 0.00013350000000000002 1.02 AML other m 2020-05-31T20:03:04.73
IV.CESI.HHE. ML:1.2 0.00009515 1.48 AML other m 2020-05-31T20:03:04.05
IV.CESI.HHN. ML:1.5 0.00016299999999999998 1.72 AML other m 2020-05-31T20:03:04.06
IV.LNSS.HHE. ML:1.4 0.00008365 1.04 AML other m 2020-05-31T20:03:08.74
IV.SMA1.EHN. ML:1.0 0.000044550000000000005 0.86 AML other m 2020-05-31T20:03:08.26
IV.SMA1.EHE. ML:1.0 0.00004215 0.18 AML other m 2020-05-31T20:03:08.81
IV.LNSS.HHN. ML:1.3 0.0000738 0.14 AML other m 2020-05-31T20:03:08.78
IV.CAMP.HHE. ML:0.9 0.00002335 0.58 AML other m 2020-05-31T20:03:10.13
IV.CAMP.HHN. ML:0.8 0.000018500000000000002 1.46 AML other m 2020-05-31T20:03:10.15
IV.SNTG.HHE. ML:0.7 0.0000149 1.5 AML other m 2020-05-31T20:03:10.97
IV.SNTG.HHN. ML:0.8 0.0000181 1.12 AML other m 2020-05-31T20:03:10.98
IV.TERO.HHE. ML:1.1 0.0000395 0.12 AML other m 2020-05-31T20:03:11.21
IV.TERO.HHN. ML:1.2 0.00005165 0.76 AML other m 2020-05-31T20:03:11.88
IV.ASSB.HHE. ML:1.2 0.0000487 0.36 AML other m 2020-05-31T20:03:11.46
IV.ASSB.HHN. ML:1.1 0.0000369 0.1 AML other m 2020-05-31T20:03:11.67
IV.ATCC.EHN. ML:1.0 0.00002505 0.42 AML other m 2020-05-31T20:03:13.40
IV.ATCC.EHE. ML:1.1 0.0000305 0.44 AML other m 2020-05-31T20:03:15.22
IV.MURB.HHN. ML:1.4 0.000039750000000000004 1.02 AML other m 2020-05-31T20:03:20.69
IV.MURB.HHE. ML:1.3 0.00003635 1.28 AML other m 2020-05-31T20:03:21.14
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download