Earthquake with magnitude of ML 1.0 on date 23-05-2021 and time 08:57:01 (Italy) in region 2 km NE Fiordimonte (MC)

A magnitude ML 1.0 earthquake occured in region: 2 km NE Fiordimonte (MC), on

  • 23-05-2021 06:57:01 (UTC)
  • 23-05-2021 08:57:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0490, 13.1170 at 9 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
Fiordimonte MC 3 202 202
Pievebovigliana MC 3 866 1068
Fiastra MC 4 559 1627
Acquacanina MC 5 121 1748
Pieve Torina MC 5 1458 3206
Muccia MC 7 915 4121
Camerino MC 11 6974 11095
Bolognola MC 11 142 11237
Monte Cavallo MC 11 145 11382
Ussita MC 12 444 11826
Visso MC 13 1107 12933
Cessapalombo MC 13 512 13445
Caldarola MC 14 1823 15268
Serravalle di Chienti MC 14 1070 16338
Sarnano MC 15 3264 19602
Camporotondo di Fiastrone MC 15 563 20165
Serrapetrona MC 16 966 21131
Belforte del Chienti MC 16 1886 23017
Castelsantangelo sul Nera MC 17 281 23298
Sefro MC 17 422 23720
San Ginesio MC 18 3498 27218
Pioraco MC 18 1134 28352
Gualdo MC 18 815 29167
Castelraimondo MC 19 4587 33754
Preci PG 20 724 34478

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
66 Km NE of Terni (111501 inhabitants)
71 Km SW of Ancona (100861 inhabitants)
81 Km N of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
97 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 1.0 2021-05-23
06:57:01
43.049 13.1168 9 2021-05-23
07:03:17
Sala Sismica INGV-Roma 90403991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-23 06:57:01 ± 0.09
Latitude 43.0490 ± 0.0045
Longitude 13.1168 ± 0.0049
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 90403991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37322
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 90403991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-23 07:03:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2021-05-23T06:57:15.56 0.6 undecidable manual S 292 41.4252 50 0.09 47
IV.ASSB.HHZ. 2021-05-23T06:57:13.88 0.6 undecidable manual S 269 37.1295 50 -0.44 44
IV.MF5.EHZ. 2021-05-23T06:57:12.15 0.3 undecidable manual S 104 28.6491 107 0.39 67
IV.NRCA.HHZ. 2021-05-23T06:57:10.09 0.3 undecidable manual S 181 23.8539 110 -0.11 72
IV.MMO1.EHZ. 2021-05-23T06:57:09.82 0.6 undecidable manual S 134 23.754 110 -0.34 46
IV.ATCC.EHZ. 2021-05-23T06:57:09.55 0.1 undecidable manual P 292 41.4252 50 0.03 95
IV.SEF1.HNE. 2021-05-23T06:57:08.14 0.6 undecidable manual S 308 17.4714 116 0 50
IV.MC2.EHZ. 2021-05-23T06:57:08.38 0.6 undecidable manual S 159 16.3725 118 0.59 43
IV.GUMA.HHZ. 2021-05-23T06:57:08.45 0.6 undecidable manual S 85 17.7711 116 0.22 48
IV.CESI.HHZ. 2021-05-23T06:57:08.61 0.3 undecidable manual S 254 17.871 116 0.34 70
IV.ASSB.HHZ. 2021-05-23T06:57:08.35 0.6 positive manual P 269 37.1295 50 -0.5 43
IV.MF5.EHZ. 2021-05-23T06:57:07.40 1.0 negative manual P 104 28.6491 107 0.03 24
IV.NRCA.HHZ. 2021-05-23T06:57:06.23 0.3 negative manual P 181 23.8539 110 -0.25 70
IT.MTCL.HGE. 2021-05-23T06:57:06.60 0.6 undecidable manual S 237 11.2776 127 0.28 47
IV.MMO1.EHZ. 2021-05-23T06:57:06.50 0.6 undecidable manual P 134 23.754 110 0.05 49
IV.SEF1.HNE. 2021-05-23T06:57:06.02 0.1 undecidable manual P 308 17.4714 116 0.73 82
IV.MML1.HNN. 2021-05-23T06:57:06.81 0.6 undecidable manual S 301 13.7751 122 -0.2 48
IV.MC2.EHZ. 2021-05-23T06:57:05.08 0.3 negative manual P 159 16.3725 118 -0.01 75
IV.GUMA.HHZ. 2021-05-23T06:57:05.36 0.1 positive manual P 85 17.7711 116 0.02 99
IV.CSP1.EHZ. 2021-05-23T06:57:05.38 0.6 undecidable manual S 56 8.5803 135 -0.21 48
IV.CESI.HHZ. 2021-05-23T06:57:05.39 0.1 undecidable manual P 254 17.871 116 0.03 99
IV.FDMO.HHZ. 2021-05-23T06:57:04.04 0.3 undecidable manual S 240 2.7972 162 -0.47 69
IT.MTCL.HGE. 2021-05-23T06:57:04.36 0.1 undecidable manual P 237 11.2776 127 0.13 98
IV.MML1.HNN. 2021-05-23T06:57:04.64 0.1 undecidable manual P 301 13.7751 122 0 100
IV.CSP1.EHZ. 2021-05-23T06:57:03.56 0.1 positive manual P 56 8.5803 135 -0.25 96
IV.FDMO.HHZ. 2021-05-23T06:57:02.90 0.1 undecidable manual P 240 2.7972 162 -0.29 96
IV.FIU1.HNZ. 2021-05-23T06:57:00.19 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.3 0.0003135 0.74 AML other m 2021-05-23T06:57:05.40
IV.CSP1.EHN. ML:1.3 0.0003165 0.42 AML other m 2021-05-23T06:57:05.63
IV.GUMA.HHE. ML:1.4 0.0002125 0.62 AML other m 2021-05-23T06:57:09.69
IV.NRCA.HHE. ML:1.0 0.0000591 0.12 AML other m 2021-05-23T06:57:10.80
IV.GUMA.HHN. ML:1.2 0.0001326 0.28 AML other m 2021-05-23T06:57:11.02
IV.NRCA.HHN. ML:0.9 0.00005095 0.62 AML other m 2021-05-23T06:57:12.83
IV.FDMO.HHE. ML:0.0 0.00066147515 0.1376 AML other m 2021-05-23T06:57:04.17
IV.FDMO.HHN. ML:0.0 0.0005252666 0.16 AML other m 2021-05-23T06:57:04.21
IV.CESI.HHE. ML:0.5 0.000023390874999999998 0.16 AML other m 2021-05-23T06:57:08.84
IV.CESI.HHN. ML:0.7 0.00004428929 0.1408 AML other m 2021-05-23T06:57:08.82
IV.ASSB.HHE. ML:0.8 0.000023023319999999998 0.1792 AML other m 2021-05-23T06:57:15.24
IV.ASSB.HHN. ML:1.0 0.000039460065 0.2208 AML other m 2021-05-23T06:57:14.06
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