Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 09-05-2020 and time 18:20:38 (Italy) in region 1 km NW Fiastra (MC)

A magnitude ML 0.7 earthquake occured in region: 1 km NW Fiastra (MC), on

  • 09-05-2020 16:20:38 (UTC)
  • 09-05-2020 18:20:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0430, 13.1440 at 12 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
Fiastra MC 1 559 559
Acquacanina MC 3 121 680
Fiordimonte MC 4 202 882
Pievebovigliana MC 5 866 1748
Pieve Torina MC 8 1458 3206
Bolognola MC 9 142 3348
Muccia MC 9 915 4263
Ussita MC 11 444 4707
Camerino MC 12 6974 11681
Cessapalombo MC 12 512 12193
Caldarola MC 13 1823 14016
Monte Cavallo MC 13 145 14161
Sarnano MC 13 3264 17425
Visso MC 13 1107 18532
Camporotondo di Fiastrone MC 14 563 19095
Serrapetrona MC 15 966 20061
Belforte del Chienti MC 16 1886 21947
Serravalle di Chienti MC 16 1070 23017
San Ginesio MC 16 3498 26515
Gualdo MC 16 815 27330
Castelsantangelo sul Nera MC 17 281 27611
Amandola FM 19 3629 31240
Sefro MC 20 422 31662
Montefortino FM 20 1178 32840
Pioraco MC 20 1134 33974
Castelraimondo MC 20 4587 38561

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
62 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
67 Km NE of Terni (111501 inhabitants)
71 Km SW of Ancona (100861 inhabitants)
80 Km N of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
98 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
Bulletin
Rev1000 		ML 0.7 2020-05-09
16:20:38		 43.0432 13.1435 13 2020-11-19
12:36:45		 Bollettino Sismico Italiano INGV 79276531
Reviewed
Rev100 		ML 0.7 2020-05-09
16:20:38		 43.0432 13.1457 11 2020-05-09
16:35:12		 Sala Sismica INGV-Roma 78988581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-09 16:20:38 ± 0.06
Latitude 43.0432 ± 0.0027
Longitude 13.1435 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79276531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 86
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
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) 39
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35433
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 78988581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-09 16:35:12

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 79276531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-18 10:13:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHZ. 2020-05-09T16:21:11.34 3.0 undecidable manual S -6.71 0
IV.ROSPO.HHZ. 2020-05-09T16:21:07.49 3.0 negative manual Pg 0.16 0
IV.ASSB.HHZ. 2020-05-09T16:20:51.20 0.3 undecidable manual S 270 39.3273 93 0.21 70
IV.EL6.EHZ. 2020-05-09T16:20:49.40 0.6 undecidable manual S 354 31.9458 94 0.38 46
IV.SNTG.HHZ. 2020-05-09T16:20:48.07 0.3 undecidable manual S 325 28.6491 95 -0.08 71
IV.MF5.EHZ. 2020-05-09T16:20:47.90 0.6 undecidable manual S 103 26.3514 96 0.35 46
IV.NRCA.HHZ. 2020-05-09T16:20:46.45 0.3 undecidable manual S 186 23.3544 98 -0.3 70
IV.MMO1.EHZ. 2020-05-09T16:20:46.05 0.3 undecidable manual S 137 21.867 99 -0.29 70
IV.CESI.HHZ. 2020-05-09T16:20:45.81 0.3 undecidable manual S 258 19.869 101 -0.01 74
IV.ASSB.HHZ. 2020-05-09T16:20:45.42 0.3 undecidable manual P 270 39.3273 93 -0.09 70
IV.GUMA.HHZ. 2020-05-09T16:20:45.16 0.3 undecidable manual S 82 15.6732 109 0.41 69
IV.MC2.EHZ. 2020-05-09T16:20:44.67 0.3 undecidable manual S 166 15.0738 111 0.08 74
IV.EL6.EHZ. 2020-05-09T16:20:44.54 0.3 undecidable manual P 354 31.9458 94 0.17 71
IV.MML1.HNZ. 2020-05-09T16:20:44.78 0.3 undecidable manual S 299 15.9729 109 -0.03 74
IV.FEMA.HNZ. 2020-05-09T16:20:44.21 0.3 undecidable manual S 220 11.7771 122 0.4 69
IV.PF6.EHZ. 2020-05-09T16:20:43.34 0.3 undecidable manual S 21 11.2776 124 -0.35 71
IV.NRCA.HHZ. 2020-05-09T16:20:43.00 0.3 undecidable manual P 186 23.3544 98 -0.06 73
IV.SNTG.HHZ. 2020-05-09T16:20:43.85 0.3 undecidable manual P 325 28.6491 95 -0.02 72
IV.MF5.EHZ. 2020-05-09T16:20:43.66 0.1 undecidable manual P 103 26.3514 96 0.14 96
IV.FDMO.HHZ. 2020-05-09T16:20:42.35 0.3 undecidable manual S 261 4.5954 154 -0.17 75
IV.MMO1.EHZ. 2020-05-09T16:20:42.66 0.3 undecidable manual P 137 21.867 99 -0.17 72
IV.CSP1.EHZ. 2020-05-09T16:20:42.78 0.1 undecidable manual S 43 7.2927 141 -0.13 100
IV.CESI.HHZ. 2020-05-09T16:20:42.49 0.3 undecidable manual P 258 19.869 101 -0.04 74
IV.MML1.HNZ. 2020-05-09T16:20:42.04 0.3 undecidable manual P 299 15.9729 109 0.09 74
IV.FEMA.HNZ. 2020-05-09T16:20:41.60 0.6 undecidable manual P 220 11.7771 122 0.24 48
IV.MC2.EHZ. 2020-05-09T16:20:41.79 0.3 undecidable manual P 166 15.0738 111 -0.03 75
IV.PF6.EHZ. 2020-05-09T16:20:41.16 0.1 undecidable manual P 21 11.2776 124 -0.14 98
IV.GUMA.HHZ. 2020-05-09T16:20:41.58 0.6 undecidable manual P 82 15.6732 109 -0.33 47
IV.FDMO.HHZ. 2020-05-09T16:20:40.62 0.3 undecidable manual P 261 4.5954 154 0 76
IV.CSP1.EHZ. 2020-05-09T16:20:40.89 0.3 undecidable manual P 43 7.2927 141 0.04 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.9 0.000050386445 0.1792 AML other m 2020-05-09T16:20:46.12
IV.CESI.HHE. ML:0.6 0.00003155688 0.1408 AML other m 2020-05-09T16:20:46.59
IV.NRCA.HHN. ML:1.0 0.000053326639999999995 1.8976 AML other m 2020-05-09T16:20:47.01
IV.NRCA.HHE. ML:0.8 0.000040538265 0.0768 AML other m 2020-05-09T16:20:48.64
IV.ASSB.HHN. ML:0.5 0.000011661805000000001 0.1536 AML other m 2020-05-09T16:20:51.54
IV.ASSB.HHE. ML:0.5 0.000011266985 0.1536 AML other m 2020-05-09T16:20:51.89
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