Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 22-05-2021 and time 18:01:07 (Italy) in region 4 km E Serravalle di Chienti (MC)

A magnitude ML 1.6 earthquake occured in region: 4 km E Serravalle di Chienti (MC), on

  • 22-05-2021 16:01:07 (UTC)
  • 22-05-2021 18:01:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0780, 12.9970 at 13 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
Serravalle di Chienti MC 4 1070 1070
Muccia MC 4 915 1985
Pieve Torina MC 6 1458 3443
Pievebovigliana MC 7 866 4309
Sefro MC 9 422 4731
Camerino MC 9 6974 11705
Fiordimonte MC 9 202 11907
Monte Cavallo MC 9 145 12052
Pioraco MC 11 1134 13186
Fiuminata MC 14 1402 14588
Fiastra MC 14 559 15147
Acquacanina MC 15 121 15268
Castelraimondo MC 16 4587 19855
Nocera Umbra PG 17 5839 25694
Visso MC 18 1107 26801
Ussita MC 19 444 27245
Gagliole MC 19 620 27865
Serrapetrona MC 19 966 28831
Valtopina PG 20 1398 30229
Esanatoglia MC 20 2034 32263
Caldarola MC 20 1823 34086
Matelica MC 20 9981 44067

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
93 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 1.6 2021-05-22
16:01:07		 43.0777 12.997 13 2021-12-29
11:12:01		 Bollettino Sismico Italiano INGV 90516471
Reviewed
Rev100 		ML 1.7 2021-05-22
16:01:07		 43.0792 12.997 13 2021-05-22
16:17:23		 Sala Sismica INGV-Roma 90379581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-22 16:01:07 ± 0.06
Latitude 43.0777 ± 0.0027
Longitude 12.9970 ± 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 90516471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 317
Semi-minor axis of confidence ellipse (meter) 90
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 33
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
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) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.42178
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 90516471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-15 08:27:48

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 90379581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-22 16:17:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-05-22T16:01:22.30 0.3 undecidable manual S 355 46.8198 94 0.19 67
IV.MOMA.HHZ. 2021-05-22T16:01:22.20 0.3 undecidable manual S 229 46.1205 94 0.29 66
IV.ATSC.EHE. 2021-05-22T16:01:22.40 0.6 undecidable manual S 327 45.9207 94 0.55 41
IV.MURB.HHZ. 2021-05-22T16:01:21.70 0.3 undecidable manual S 298 43.4232 94 0.51 63
IV.MF5.EHZ. 2021-05-22T16:01:20.80 0.6 undecidable manual S 105 38.8278 95 0.83 38
IV.CING.HHZ. 2021-05-22T16:01:19.40 0.3 undecidable manual S 26 36.741 95 -0.01 71
IV.MMO1.EHZ. 2021-05-22T16:01:18.40 0.3 undecidable manual S 126 33.2445 96 -0.1 70
IV.ATCC.EHZ. 2021-05-22T16:01:18.20 0.1 undecidable manual S 293 31.2465 97 0.24 92
IV.FOSV.EHZ. 2021-05-22T16:01:17.70 0.3 undecidable manual S 322 30.747 97 -0.12 71
IV.EL6.EHZ. 2021-05-22T16:01:17.10 0.3 undecidable manual S 17 29.1486 98 -0.31 68
IV.GUMA.HNN. 2021-05-22T16:01:17.50 0.6 undecidable manual S 93 27.4503 99 0.54 43
IV.NRCA.HHZ. 2021-05-22T16:01:17.10 0.3 undecidable manual S 161 28.749 98 -0.18 70
IV.MC2.EHZ. 2021-05-22T16:01:16.40 0.3 undecidable manual S 140 24.1536 101 0.32 69
IV.ASSB.HHZ. 2021-05-22T16:01:16.80 0.3 undecidable manual S 262 27.6501 98 -0.22 70
IV.ATSC.EHE. 2021-05-22T16:01:15.27 0.6 undecidable manual P 327 45.9207 94 -0.36 44
IV.ARVD.HHZ. 2021-05-22T16:01:15.40 0.3 undecidable manual P 355 46.8198 94 -0.38 65
IV.MOMA.HHZ. 2021-05-22T16:01:15.51 0.3 undecidable manual P 229 46.1205 94 -0.15 68
IV.MURB.HHZ. 2021-05-22T16:01:15.44 0.6 undecidable manual P 298 43.4232 94 0.2 45
IV.MF5.EHZ. 2021-05-22T16:01:14.86 0.6 undecidable manual P 105 38.8278 95 0.32 45
IV.PF6.EHN. 2021-05-22T16:01:14.20 0.3 undecidable manual S 67 17.3715 111 -0.13 72
IV.CING.HHZ. 2021-05-22T16:01:14.13 0.3 undecidable manual P 26 36.741 95 -0.09 70
IV.CSP1.EHZ. 2021-05-22T16:01:14.30 0.3 undecidable manual S 85 16.872 111 0.08 73
IV.MDAR.HNN. 2021-05-22T16:01:14.10 0.3 undecidable manual S 43 17.3715 110 -0.24 71
IV.GAVE.EHN. 2021-05-22T16:01:14.34 0.6 undecidable manual P 191 43.5231 94 -0.93 35
IV.CESI.HHZ. 2021-05-22T16:01:13.00 0.3 undecidable manual S 223 10.9779 129 0.14 73
IV.FEMA.HNE. 2021-05-22T16:01:13.52 0.3 undecidable manual S 162 13.4754 121 0.11 73
IV.MMO1.EHZ. 2021-05-22T16:01:13.22 0.3 undecidable manual P 126 33.2445 96 -0.47 65
IV.FOSV.EHZ. 2021-05-22T16:01:13.08 0.3 undecidable manual P 322 30.747 97 -0.22 69
IV.GUMA.HNN. 2021-05-22T16:01:13.48 0.3 undecidable manual P 93 27.4503 99 0.68 61
IV.ATCC.EHZ. 2021-05-22T16:01:13.30 0.3 undecidable manual P 293 31.2465 97 -0.08 71
IV.NRCA.HHZ. 2021-05-22T16:01:12.75 0.3 undecidable manual P 161 28.749 98 -0.24 69
IT.MTCL.HGZ. 2021-05-22T16:01:12.50 0.3 undecidable manual S 179 9.2796 135 -0.02 75
IV.FDMO.HHZ. 2021-05-22T16:01:12.30 0.3 undecidable manual S 122 8.5803 138 -0.1 74
IV.SEF1.HNN. 2021-05-22T16:01:12.50 0.3 undecidable manual S 332 8.6802 138 0.1 73
IV.ASSB.HHZ. 2021-05-22T16:01:12.64 0.3 undecidable manual P 262 27.6501 98 -0.2 70
IV.EL6.EHZ. 2021-05-22T16:01:12.86 0.3 undecidable manual P 17 29.1486 98 -0.2 70
IV.MC2.EHZ. 2021-05-22T16:01:12.36 0.3 undecidable manual P 140 24.1536 101 0.06 73
IV.CSP1.EHZ. 2021-05-22T16:01:11.27 0.3 undecidable manual P 85 16.872 111 0.05 74
IV.MDAR.HNN. 2021-05-22T16:01:11.24 0.3 undecidable manual P 43 17.3715 110 -0.05 73
IV.MML1.HNE. 2021-05-22T16:01:11.90 0.3 undecidable manual S 333 4.4955 157 0.1 74
IV.PF6.EHN. 2021-05-22T16:01:11.25 0.3 undecidable manual P 67 17.3715 111 -0.03 74
IV.CESI.HHZ. 2021-05-22T16:01:10.57 0.3 undecidable manual P 223 10.9779 129 0.14 73
IV.FEMA.HNE. 2021-05-22T16:01:10.38 0.3 undecidable manual P 162 13.4754 121 -0.37 69
IT.MTCL.HGZ. 2021-05-22T16:01:10.24 0.3 undecidable manual P 179 9.2796 135 0 75
IV.FDMO.HHZ. 2021-05-22T16:01:10.15 0.3 undecidable manual P 122 8.5803 138 -0.02 75
IV.SEF1.HNN. 2021-05-22T16:01:10.17 0.1 undecidable manual P 332 8.6802 138 0 100
IV.MML1.HNE. 2021-05-22T16:01:09.89 0.3 undecidable manual P 333 4.4955 157 0.07 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.6 0.00039549999999999996 0.18 AML other m 2021-05-22T16:01:12.57
IV.FDMO.HHN. ML:1.8 0.0007765 0.14 AML other m 2021-05-22T16:01:12.68
IV.CESI.HNE. ML:1.7 0.0005915 0.3 AML other m 2021-05-22T16:01:13.21
IV.CESI.HHE. ML:1.8 0.0006450000000000001 0.3 AML other m 2021-05-22T16:01:13.21
IV.CESI.HNN. ML:1.7 0.0004915 0.34 AML other m 2021-05-22T16:01:13.29
IV.CESI.HHN. ML:1.7 0.0005225 0.34 AML other m 2021-05-22T16:01:13.29
IV.CSP1.EHE. ML:2.0 0.0008215 1.24 AML other m 2021-05-22T16:01:14.67
IV.CSP1.EHN. ML:2.1 0.0009115 0.22 AML other m 2021-05-22T16:01:15.15
IV.ASSB.HHE. ML:1.5 0.0001705 0.66 AML other m 2021-05-22T16:01:17.52
IV.ASSB.HHN. ML:1.7 0.0002385 0.12 AML other m 2021-05-22T16:01:17.61
IV.FOSV.EHE. ML:1.7 0.00022549999999999998 1.82 AML other m 2021-05-22T16:01:17.03
IV.FOSV.EHN. ML:1.5 0.000157 0.32 AML other m 2021-05-22T16:01:18.03
IV.ATCC.EHN. ML:1.6 0.0001795 0.14 AML other m 2021-05-22T16:01:18.40
IV.NRCA.HHN. ML:1.4 0.000123 0.44 AML other m 2021-05-22T16:01:18.81
IV.ATCC.EHE. ML:1.6 0.00016499999999999997 0.16 AML other m 2021-05-22T16:01:18.99
IV.NRCA.HHE. ML:1.4 0.00013550000000000001 1.54 AML other m 2021-05-22T16:01:18.97
IV.CING.HHN. ML:1.3 0.00007855000000000001 0.18 AML other m 2021-05-22T16:01:20.36
IV.CING.HHE. ML:1.2 0.0000634 1.12 AML other m 2021-05-22T16:01:20.19
IV.MURB.HHE. ML:1.9 0.000221 0.18 AML other m 2021-05-22T16:01:22.57
IV.MOMA.HHN. ML:1.5 0.00008665 0.88 AML other m 2021-05-22T16:01:22.53
IV.ARVD.HHN. ML:1.0 0.0000308 0.58 AML other m 2021-05-22T16:01:22.76
IV.ARVD.HHE. ML:1.2 0.00004355 0.2 AML other m 2021-05-22T16:01:22.89
IV.MOMA.HHE. ML:1.7 0.000131 0.2 AML other m 2021-05-22T16:01:23.10
IV.MURB.HHN. ML:1.6 0.000132 1.06 AML other m 2021-05-22T16:01:23.05
IV.EL6.EHE. ML:1.6 0.00018821205 0.2944 AML other m 2021-05-22T16:01:17.84
IV.EL6.EHN. ML:1.5 0.00014437654999999999 0.2304 AML other m 2021-05-22T16:01:18.39
IV.MURB.HNE. ML:1.8 0.00017625384999999999 0.192 AML other m 2021-05-22T16:01:22.59
IV.MURB.HNN. ML:1.6 0.000112844205 0.192 AML other m 2021-05-22T16:01:22.34
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