Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 20-05-2020 and time 14:01:25 (Italy) in region 2 km W Fiordimonte (MC)

A magnitude ML 0.8 earthquake occured in region: 2 km W Fiordimonte (MC), on

  • 20-05-2020 12:01:25 (UTC)
  • 20-05-2020 14:01:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0300, 13.0700 at 8 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
Fiordimonte MC 2 202 202
Pieve Torina MC 2 1458 1660
Pievebovigliana MC 4 866 2526
Muccia MC 6 915 3441
Monte Cavallo MC 7 145 3586
Fiastra MC 7 559 4145
Acquacanina MC 9 121 4266
Serravalle di Chienti MC 11 1070 5336
Visso MC 11 1107 6443
Ussita MC 11 444 6887
Camerino MC 12 6974 13861
Bolognola MC 13 142 14003
Sefro MC 16 422 14425
Castelsantangelo sul Nera MC 16 281 14706
Preci PG 17 724 15430
Caldarola MC 18 1823 17253
Cessapalombo MC 18 512 17765
Pioraco MC 18 1134 18899
Sarnano MC 19 3264 22163
Serrapetrona MC 19 966 23129
Sellano PG 19 1079 24208
Camporotondo di Fiastrone MC 20 563 24771

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
56 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
99 Km S of Pesaro (94582 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 0.8 2020-05-20
12:01:25		 43.0298 13.0697 9 2020-05-20
12:07:52		 Sala Sismica INGV-Roma 79364491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-20 12:01:25 ± 0.08
Latitude 43.0298 ± 0.0027
Longitude 13.0697 ± 0.0037
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79364491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30037
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79364491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-20 12:07:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRTC.HHZ. 2020-05-20T12:01:37.67 3.0 undecidable manual P -0.01 0
IV.EL6.EHZ. 2020-05-20T12:01:37.19 0.3 undecidable manual S 4 33.3444 50 -0.19 69
IV.MMO1.EHZ. 2020-05-20T12:01:34.62 0.3 undecidable manual S 125 25.4523 108 -0.13 71
IV.NRCA.HHZ. 2020-05-20T12:01:33.50 0.1 undecidable manual S 171 22.0668 111 -0.16 94
IV.EL6.EHZ. 2020-05-20T12:01:32.04 0.1 undecidable manual P 4 33.3444 50 -0.3 90
IV.MC2.EHZ. 2020-05-20T12:01:32.13 0.3 undecidable manual S 144 16.3725 117 0.29 70
IV.PF6.EHN. 2020-05-20T12:01:31.84 0.3 undecidable manual S 40 15.6732 118 0.2 71
IV.CESI.HHZ. 2020-05-20T12:01:31.24 0.1 undecidable manual S 258 13.6752 122 0.2 95
IV.MML1.EHE. 2020-05-20T12:01:30.64 0.3 undecidable manual S 320 12.1767 125 0.03 74
IV.CSP1.EHZ. 2020-05-20T12:01:30.99 0.1 undecidable manual S 58 12.9759 123 0.16 96
IV.NRCA.HHZ. 2020-05-20T12:01:30.06 0.1 undecidable manual P 171 22.0668 111 -0.13 95
IV.MMO1.EHZ. 2020-05-20T12:01:30.83 0.3 undecidable manual P 125 25.4523 108 0.01 73
IT.MTCL.HGN. 2020-05-20T12:01:29.09 0.1 undecidable manual S 235 6.993 141 -0.17 97
IV.MC2.EHZ. 2020-05-20T12:01:29.38 0.3 undecidable manual P 144 16.3725 117 0.24 70
IV.FEMA.HNN. 2020-05-20T12:01:29.51 0.1 undecidable manual S 192 7.6812 138 0.09 98
IV.PF6.EHN. 2020-05-20T12:01:29.11 0.1 undecidable manual P 40 15.6732 118 0.08 97
IV.CESI.HHZ. 2020-05-20T12:01:28.86 0.1 positive manual P 258 13.6752 122 0.18 95
IV.MML1.EHE. 2020-05-20T12:01:28.58 0.1 undecidable manual P 320 12.1767 125 0.14 96
IV.CSP1.EHZ. 2020-05-20T12:01:28.77 0.1 positive manual P 58 12.9759 123 0.21 95
IV.FDMO.HHZ. 2020-05-20T12:01:27.81 0.1 undecidable manual S 63 1.5984 169 -0.64 86
IV.FEMA.HNN. 2020-05-20T12:01:27.84 0.1 undecidable manual P 192 7.6812 138 0.09 98
IT.MTCL.HGN. 2020-05-20T12:01:27.65 0.1 undecidable manual P 235 6.993 141 0 100
IV.FDMO.HHZ. 2020-05-20T12:01:27.04 0.1 undecidable manual P 63 1.5984 169 -0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.1 0.0000785 0.44 AML other m 2020-05-20T12:01:34.15
IV.NRCA.HHE. ML:1.2 0.0001003 0.1 AML other m 2020-05-20T12:01:35.14
IV.CSP1.EHE. ML:0.7 0.00005802718 0.224 AML other m 2020-05-20T12:01:31.43
IV.CSP1.EHN. ML:0.8 0.0000697350385 0.1792 AML other m 2020-05-20T12:01:31.17
IV.CESI.HNE. ML:0.6 0.00004353439000000001 0.224 AML other m 2020-05-20T12:01:31.70
IV.CESI.HNN. ML:0.6 0.00004503878499999999 0.2496 AML other m 2020-05-20T12:01:31.39
IV.CESI.HHE. ML:0.6 0.000039471535 0.1408 AML other m 2020-05-20T12:01:31.70
IV.CESI.HHN. ML:0.6 0.000042500335 0.32 AML other m 2020-05-20T12:01:33.85
IV.NRCA.HNE. ML:1.2 0.0000997006 0.2112 AML other m 2020-05-20T12:01:33.95
IV.NRCA.HNN. ML:1.0 0.00006532683000000001 0.1344 AML other m 2020-05-20T12:01:33.72
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