Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 18-05-2020 and time 09:52:58 (Italy) in region 1 km NW Castelsantangelo sul Nera (MC)

A magnitude ML 1.8 earthquake occured in region: 1 km NW Castelsantangelo sul Nera (MC), on

  • 18-05-2020 07:52:58 (UTC)
  • 18-05-2020 09:52:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9020, 13.1500 at 8 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 1 281 281
Ussita MC 5 444 725
Visso MC 6 1107 1832
Preci PG 9 724 2556
Bolognola MC 12 142 2698
Norcia PG 13 4957 7655
Montemonaco AP 15 604 8259
Acquacanina MC 15 121 8380
Fiastra MC 15 559 8939
Fiordimonte MC 16 202 9141
Monte Cavallo MC 16 145 9286
Montegallo AP 16 523 9809
Montefortino FM 16 1178 10987
Pieve Torina MC 18 1458 12445
Sellano PG 18 1079 13524
Arquata del Tronto AP 19 1178 14702
Pievebovigliana MC 19 866 15568
Amandola FM 19 3629 19197
Sarnano MC 19 3264 22461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
100 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
Bulletin
Rev1000 		ML 1.8 2020-05-18
07:52:58		 42.9017 13.1502 8 2020-11-19
12:36:52		 Bollettino Sismico Italiano INGV 80904991
Reviewed
Rev100 		ML 1.8 2020-05-18
07:52:58		 42.9077 13.1652 6 2020-05-18
07:57:25		 Sala Sismica INGV-Roma 79274301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-18 07:52:58 ± 0.06
Latitude 42.9017 ± 0.0027
Longitude 13.1502 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80904991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 359
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81479
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 80904991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-09 10:09:41

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 79274301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-18 07:57:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2020-05-18T07:53:41.00 3.0 undecidable manual S -1.5 0
IT.GLNS.HNZ. 2020-05-18T07:53:29.55 3.0 undecidable manual Pg 2.24 0
IV.CAMP.HHZ. 2020-05-18T07:53:14.01 0.3 undecidable manual S 152 45.7209 50 -0.05 71
IV.PIEI.HHZ. 2020-05-18T07:53:14.01 0.3 undecidable manual P 325 86.1471 50 0.25 63
IV.TERO.HHZ. 2020-05-18T07:53:14.59 0.3 undecidable manual S 130 48.2184 50 -0.13 70
IV.T0110.HHZ. 2020-05-18T07:53:14.60 0.3 undecidable manual P 145 90.4428 50 0.18 64
IV.MNTT.EHZ. 2020-05-18T07:53:13.76 0.3 undecidable manual S 64 40.3263 50 1.15 49
IV.ASSB.HHZ. 2020-05-18T07:53:13.58 0.3 undecidable manual S 292 42.8238 50 0.29 68
IV.LNSS.HHZ. 2020-05-18T07:53:10.89 0.3 undecidable manual S 195 34.3434 102 0.08 72
IV.SMA1.EHZ. 2020-05-18T07:53:10.45 0.3 undecidable manual S 153 33.6441 103 -0.13 72
IV.SAP2.EHZ. 2020-05-18T07:53:09.67 0.1 undecidable manual S 43 29.6481 104 0.45 90
IV.MTRA.EHZ. 2020-05-18T07:53:08.23 0.1 undecidable manual S 129 25.6521 106 0.32 93
IV.MF5.EHZ. 2020-05-18T07:53:08.78 0.3 undecidable manual S 69 26.8509 106 0.47 67
IV.ATCC.EHZ. 2020-05-18T07:53:08.19 0.3 undecidable manual P 307 52.0035 50 -0.3 67
IV.CAMP.HHZ. 2020-05-18T07:53:07.10 0.1 undecidable manual P 152 45.7209 50 -0.43 88
IV.GUMA.HHZ. 2020-05-18T07:53:07.25 0.1 undecidable manual S 40 23.3544 108 0.12 98
IV.MNTT.EHZ. 2020-05-18T07:53:07.00 0.1 undecidable manual P 64 40.3263 50 0.31 91
IV.SNTG.HHZ. 2020-05-18T07:53:07.03 0.1 undecidable manual P 337 42.7239 50 -0.04 96
IV.TERO.HHZ. 2020-05-18T07:53:07.45 0.3 undecidable manual P 130 48.2184 50 -0.46 65
IV.CESI.HHZ. 2020-05-18T07:53:07.35 0.3 undecidable manual S 300 22.9548 108 0.34 70
IV.RM33.EHZ. 2020-05-18T07:53:07.20 0.3 undecidable manual P 173 43.8228 50 -0.05 72
IV.EL6.EHZ. 2020-05-18T07:53:07.19 0.3 undecidable manual P 355 47.619 50 -0.63 61
IV.MOMA.HHZ. 2020-05-18T07:53:07.80 3.0 undecidable manual P 48.4182 -0.14 0
IV.CSP1.EHZ. 2020-05-18T07:53:06.18 0.1 undecidable manual S 12 21.5673 109 -0.36 93
IV.ASSB.HHZ. 2020-05-18T07:53:06.74 0.3 undecidable manual P 292 42.8238 50 -0.34 67
IV.SAP2.EHZ. 2020-05-18T07:53:05.25 0.3 undecidable manual P 43 29.6481 104 0.51 66
IV.LNSS.HHZ. 2020-05-18T07:53:05.61 0.1 undecidable manual P 195 34.3434 102 -0.05 97
IV.SMA1.EHZ. 2020-05-18T07:53:05.21 0.1 undecidable manual P 153 33.6441 103 -0.31 92
IV.FDMO.HHZ. 2020-05-18T07:53:04.63 0.1 undecidable manual S 341 15.7731 116 -0.06 100
IV.MF5.EHZ. 2020-05-18T07:53:04.28 0.1 undecidable manual P 69 26.8509 106 0.07 98
IV.MMO1.EHZ. 2020-05-18T07:53:04.02 0.1 undecidable manual S 91 14.3745 118 -0.23 97
IV.CESI.HHZ. 2020-05-18T07:53:03.51 0.3 undecidable manual P 300 22.9548 108 0.05 74
IV.PF6.EHN. 2020-05-18T07:53:03.62 0.3 undecidable manual P 8 26.4513 106 -0.51 67
IV.MTRA.EHZ. 2020-05-18T07:53:03.98 0.1 undecidable manual P 129 25.6521 106 0 100
IV.FEMA.HNZ. 2020-05-18T07:53:03.44 0.3 undecidable manual S 309 10.5783 126 0.32 72
IV.GUMA.HHZ. 2020-05-18T07:53:03.48 0.1 undecidable manual P 40 23.3544 108 -0.05 99
IV.NRCA.HNZ. 2020-05-18T07:53:02.89 0.1 undecidable manual S 201 8.0808 133 0.43 94
IV.FDMO.HHZ. 2020-05-18T07:53:02.01 0.1 undecidable manual P 341 15.7731 116 -0.11 99
IV.CSP1.EHZ. 2020-05-18T07:53:02.82 0.1 undecidable manual P 12 21.5673 109 -0.37 93
IV.MMO1.EHZ. 2020-05-18T07:53:01.78 0.1 undecidable manual P 91 14.3745 118 -0.09 100
IV.NRCA.HNZ. 2020-05-18T07:53:01.24 0.1 negative manual P 201 8.0808 133 0.41 94
IV.FEMA.HNZ. 2020-05-18T07:53:01.43 0.1 undecidable manual P 309 10.5783 126 0.22 98
IV.MC2.EHZ. 2020-05-18T07:53:00.82 0.3 undecidable manual S 71 3.2967 156 -0.66 66
IV.MC2.EHZ. 2020-05-18T07:52:59.92 0.1 positive manual P 71 3.2967 156 -0.35 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.5 0.005755 0.14 AML other m 2020-05-18T07:53:03.66
IV.NRCA.HNE. ML:2.5 0.0052699999999999995 0.12 AML other m 2020-05-18T07:53:03.67
IV.FEMA.HNE. ML:2.1 0.001965 1.34 AML other m 2020-05-18T07:53:04.71
IV.NRCA.HHN. ML:2.3 0.0035150000000000003 0.12 AML other m 2020-05-18T07:53:04.03
IV.NRCA.HNN. ML:2.3 0.00333 0.14 AML other m 2020-05-18T07:53:04.03
IV.FEMA.HNN. ML:2.0 0.001345 0.46 AML other m 2020-05-18T07:53:05.27
IV.FDMO.HHN. ML:1.9 0.0007740000000000001 0.26 AML other m 2020-05-18T07:53:05.74
IV.FDMO.HHE. ML:1.8 0.0006414999999999999 0.22 AML other m 2020-05-18T07:53:06.41
IV.GUMA.HNN. ML:2.0 0.0006599999999999999 0.24 AML other m 2020-05-18T07:53:07.48
IV.GUMA.HNE. ML:2.0 0.0006734999999999999 0.34 AML other m 2020-05-18T07:53:07.56
IV.CSP1.EHE. ML:1.6 0.00027400000000000005 1.34 AML other m 2020-05-18T07:53:07.73
IV.CESI.HHN. ML:1.8 0.00045900000000000004 0.26 AML other m 2020-05-18T07:53:07.74
IV.CSP1.EHN. ML:1.8 0.0005365 1.62 AML other m 2020-05-18T07:53:08.11
IV.GUMA.HHN. ML:2.0 0.0006860000000000001 0.38 AML other m 2020-05-18T07:53:08.19
IV.CESI.HHE. ML:1.8 0.0004295 0.38 AML other m 2020-05-18T07:53:09.27
IV.MF5.EHE. ML:1.8 0.00032199999999999997 0.4 AML other m 2020-05-18T07:53:09.30
IV.GUMA.HHE. ML:2.1 0.0008025 0.26 AML other m 2020-05-18T07:53:09.40
IV.MTRA.HNN. ML:1.8 0.00040649999999999996 0.42 AML other m 2020-05-18T07:53:09.58
IV.MTRA.EHN. ML:1.8 0.00034750000000000004 0.44 AML other m 2020-05-18T07:53:09.58
IV.MF5.EHN. ML:1.6 0.000244 0.32 AML other m 2020-05-18T07:53:09.78
IV.MTRA.HNE. ML:1.8 0.00038349999999999994 0.36 AML other m 2020-05-18T07:53:10.69
IV.MTRA.EHE. ML:1.8 0.0003625 0.36 AML other m 2020-05-18T07:53:10.51
IV.SAP2.EHE. ML:1.8 0.000304 0.52 AML other m 2020-05-18T07:53:11.14
IV.SAP2.EHN. ML:2.4 0.0013700000000000001 0.34 AML other m 2020-05-18T07:53:11.96
IV.LNSS.HHE. ML:1.8 0.000261 0.14 AML other m 2020-05-18T07:53:11.74
IV.LNSS.HHN. ML:1.8 0.0002535 1.1 AML other m 2020-05-18T07:53:12.37
IV.CAMP.HHN. ML:1.7 0.00013350000000000002 0.2 AML other m 2020-05-18T07:53:14.41
IV.CAMP.HHE. ML:1.3 0.0000654 0.94 AML other m 2020-05-18T07:53:14.15
IV.ASSB.HHE. ML:1.8 0.00020400000000000003 0.18 AML other m 2020-05-18T07:53:14.53
IV.ASSB.HHN. ML:1.8 0.0001885 0.62 AML other m 2020-05-18T07:53:14.35
IV.RM33.EHN. ML:1.5 0.0001017 1.04 AML other m 2020-05-18T07:53:14.68
IV.EL6.EHN. ML:1.8 0.00016499999999999997 0.38 AML other m 2020-05-18T07:53:15.51
IV.TERO.HHE. ML:1.6 0.00009814999999999999 0.42 AML other m 2020-05-18T07:53:15.33
IV.SNTG.HHN. ML:1.3 0.00006795000000000001 0.42 AML other m 2020-05-18T07:53:16.09
IV.MNTT.EHE. ML:1.9 0.0002845 0.16 AML other m 2020-05-18T07:53:16.37
IV.SNTG.HHE. ML:1.3 0.0000704 0.74 AML other m 2020-05-18T07:53:16.77
IV.MOMA.HHE. ML:1.8 0.00018449999999999999 0.28 AML other m 2020-05-18T07:53:16.54
IV.MOMA.HHN. ML:1.6 0.0001109 0.84 AML other m 2020-05-18T07:53:16.21
IV.RM33.EHE. ML:1.5 0.00010220000000000002 0.26 AML other m 2020-05-18T07:53:16.74
IV.TERO.HHN. ML:1.7 0.00012759999999999998 0.38 AML other m 2020-05-18T07:53:16.93
IV.EL6.EHE. ML:1.7 0.000135 1.56 AML other m 2020-05-18T07:53:17.06
IV.ATCC.EHN. ML:1.7 0.00013700000000000002 0.68 AML other m 2020-05-18T07:53:17.44
IV.ATCC.EHE. ML:1.7 0.000131 1.42 AML other m 2020-05-18T07:53:18.09
IV.SMA1.EHE. ML:1.8 0.0002455 0.46 AML other m 2020-05-18T07:53:18.36
IV.SMA1.EHN. ML:1.6 0.0001905 0.42 AML other m 2020-05-18T07:53:18.30
IV.MNTT.EHN. ML:2.0 0.000316 0.42 AML other m 2020-05-18T07:53:18.56
IV.PIEI.HHN. ML:1.2 0.00002005 0.54 AML other m 2020-05-18T07:53:32.27
IV.PIEI.HHE. ML:1.4 0.00002885 1.14 AML other m 2020-05-18T07:53:32.74
IV.T0110.HHE. ML:1.7 0.0000528 0.42 AML other m 2020-05-18T07:53:35.85
IV.T0110.HHN. ML:1.6 0.000048100000000000004 0.88 AML other m 2020-05-18T07:53:45.52
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