Earthquake with magnitude of ML 2.1 on date 22-01-2021 and time 18:18:31 (Italy) in region 3 km N Monte Cavallo (MC)

A magnitude ML 2.1 earthquake occured in region: 3 km N Monte Cavallo (MC), on

  • 22-01-2021 17:18:31 (UTC)
  • 22-01-2021 18:18:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.021, 13.011 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monte Cavallo MC 3 145 145
Pieve Torina MC 4 1458 1603
Fiordimonte MC 7 202 1805
Muccia MC 7 915 2720
Serravalle di Chienti MC 7 1070 3790
Pievebovigliana MC 8 866 4656
Visso MC 12 1107 5763
Fiastra MC 12 559 6322
Acquacanina MC 13 121 6443
Ussita MC 14 444 6887
Camerino MC 14 6974 13861
Sefro MC 15 422 14283
Preci PG 16 724 15007
Sellano PG 16 1079 16086
Pioraco MC 18 1134 17220
Bolognola MC 18 142 17362
Castelsantangelo sul Nera MC 18 281 17643
Fiuminata MC 20 1402 19045

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
99 Km S of Pesaro (94582 inhabitants)
100 Km NE of Viterbo (67173 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 2.1 2021-01-22
17:18:31
43.0213 13.0108 8 2021-07-12
16:54:58
Bollettino Sismico Italiano INGV 86978611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-22 17:18:31 ± 0.04
Latitude 43.0213 ± 0.0027
Longitude 13.0108 ± 0.0037
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 86978611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 258
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 260
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
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) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.6664
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 86978611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-09 12:12:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-01-22T17:18:52.94 0.3 undecidable manual S 132 0.59 50 0.34 65
IV.ARVD.HHZ. 2021-01-22T17:18:49.65 0.6 undecidable manual S 354 0.4793 50 0.32 45
IV.ARRO.EHZ. 2021-01-22T17:18:49.58 0.6 undecidable manual S 202 0.4775 50 0.31 45
IV.LNSS.HHE. 2021-01-22T17:18:47.49 0.6 undecidable manual S 177 0.4191 50 -0.05 48
IV.MTRA.EHE. 2021-01-22T17:18:46.45 0.6 undecidable manual S 133 0.3867 50 -0.15 47
IV.CING.HNZ. 2021-01-22T17:18:46.38 0.3 undecidable manual S 21 0.3786 50 0.03 73
IV.MGAB.HHN. 2021-01-22T17:18:45.46 0.6 undecidable manual P 261 0.6664 50 0.28 43
IV.MF5.EHZ. 2021-01-22T17:18:45.47 0.6 undecidable manual S 96 0.3301 50 0.57 43
IV.EL6.EHZ. 2021-01-22T17:18:44.16 0.6 undecidable manual S 12 0.3148 103 -0.22 47
IV.FOSV.EHN. 2021-01-22T17:18:44.85 0.3 undecidable manual S 326 0.3283 50 -0.01 73
IV.ATCC.EHN. 2021-01-22T17:18:44.56 0.6 undecidable manual S 301 0.3166 103 0.12 48
IV.TERO.HHZ. 2021-01-22T17:18:43.96 0.3 undecidable manual P 132 0.59 50 0.09 69
IV.MMO1.EHZ. 2021-01-22T17:18:42.36 0.3 undecidable manual S 118 0.2617 105 -0.02 74
IV.ARVD.HHZ. 2021-01-22T17:18:42.09 0.6 undecidable manual P 354 0.4793 50 0.1 47
IV.GUMA.HHE. 2021-01-22T17:18:42.29 0.3 undecidable manual S 80 0.2401 106 0.69 63
IV.ASSB.HHE. 2021-01-22T17:18:42.35 0.3 undecidable manual S 275 0.2581 105 0.09 73
IV.ARRO.EHZ. 2021-01-22T17:18:41.58 0.6 undecidable manual P 202 0.4775 50 -0.37 44
IV.SMA1.EHE. 2021-01-22T17:18:41.25 0.6 undecidable manual P 149 0.4569 50 -0.36 44
IV.NRCA.HNZ. 2021-01-22T17:18:40.36 0.3 undecidable manual S 158 0.2023 109 0.15 73
IV.LNSS.HHE. 2021-01-22T17:18:40.60 0.1 undecidable manual P 177 0.4191 50 -0.35 90
IV.MF5.EHZ. 2021-01-22T17:18:39.53 0.1 undecidable manual P 96 0.3301 50 0.1 96
IV.ATCC.EHN. 2021-01-22T17:18:39.05 0.6 undecidable manual P 301 0.3166 103 -0.11 48
IV.PF6.EHN. 2021-01-22T17:18:39.32 0.3 undecidable manual S 49 0.1772 112 0.01 76
IV.FOSV.EHN. 2021-01-22T17:18:39.08 0.1 undecidable manual P 326 0.3283 50 -0.33 92
IV.MTRA.EHE. 2021-01-22T17:18:39.98 0.1 undecidable manual P 133 0.3867 50 -0.43 89
IV.CING.HNZ. 2021-01-22T17:18:39.93 0.3 undecidable manual P 21 0.3786 50 -0.34 68
IV.EL6.EHZ. 2021-01-22T17:18:38.97 0.6 undecidable manual P 12 0.3148 103 -0.16 48
IV.CSP1.EHZ. 2021-01-22T17:18:38.78 0.3 undecidable manual S 63 0.1583 114 0.16 74
IV.ASSB.HHE. 2021-01-22T17:18:37.83 0.1 undecidable manual P 275 0.2581 105 -0.08 98
IT.FOPC.HGN. 2021-01-22T17:18:37.58 0.3 undecidable manual P 257 0.2311 107 0.26 71
IV.MMO1.EHZ. 2021-01-22T17:18:37.69 0.1 negative manual P 118 0.2617 105 -0.28 94
IV.GUMA.HHE. 2021-01-22T17:18:37.65 0.1 undecidable manual P 80 0.2401 106 0.12 97
IV.CESI.HHZ. 2021-01-22T17:18:36.39 0.3 undecidable manual S 258 0.0791 132 0.35 72
IV.PF6.EHN. 2021-01-22T17:18:36.10 0.3 undecidable manual P 49 0.1772 112 -0.1 74
IV.NRCA.HNZ. 2021-01-22T17:18:36.75 0.1 undecidable manual P 158 0.2023 109 0.03 100
IV.CSP1.EHZ. 2021-01-22T17:18:35.99 0.3 undecidable manual P 63 0.1583 114 0.19 73
IV.FDMO.HHE. 2021-01-22T17:18:35.03 0.3 undecidable manual S 75 0.0576 141 -0.43 71
IV.FEMA.HNE. 2021-01-22T17:18:35.74 0.3 undecidable manual S 154 0.0657 137 0.08 76
IV.FEMA.HNE. 2021-01-22T17:18:34.27 0.3 undecidable manual P 154 0.0657 137 0.17 75
IT.MTCL.HGZ. 2021-01-22T17:18:34.38 0.3 undecidable manual S 197 0.0288 158 -0.5 70
IV.CESI.HHZ. 2021-01-22T17:18:34.67 0.1 undecidable manual P 258 0.0791 132 0.36 96
IT.MTCL.HGZ. 2021-01-22T17:18:33.57 0.3 undecidable manual P 197 0.0288 158 -0.08 77
IV.FDMO.HHE. 2021-01-22T17:18:33.84 0.3 undecidable manual P 75 0.0576 141 -0.14 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:2.4 0.005374592 0.2816 AML other m 2021-01-22T17:18:35.28
IV.FDMO.HHN. ML:2.2 0.0033742945 0.1664 AML other m 2021-01-22T17:18:35.20
IV.CESI.HHN. ML:2.3 0.0034827025 0.2176 AML other m 2021-01-22T17:18:36.52
IV.CESI.HNN. ML:2.3 0.0033286755 0.2176 AML other m 2021-01-22T17:18:36.53
IV.CESI.HHE. ML:2.1 0.002077176 0.2944 AML other m 2021-01-22T17:18:37.11
IV.CESI.HNE. ML:2.1 0.001965337 0.32 AML other m 2021-01-22T17:18:37.11
IV.CSP1.EHE. ML:2.4 0.002485 0.44 AML other m 2021-01-22T17:18:39.26
IV.CSP1.EHN. ML:2.3 0.00177 1.72 AML other m 2021-01-22T17:18:39.94
IV.NRCA.HHN. ML:2.3 0.0015039275 0.1152 AML other m 2021-01-22T17:18:41.02
IV.NRCA.HNN. ML:2.3 0.0014267135 0.1152 AML other m 2021-01-22T17:18:41.02
IV.NRCA.HHE. ML:2.2 0.00123600135 0.128 AML other m 2021-01-22T17:18:42.33
IV.NRCA.HNE. ML:2.2 0.00113690235 0.128 AML other m 2021-01-22T17:18:42.33
IV.GUMA.HNE. ML:2.6 0.0023315855 0.3072 AML other m 2021-01-22T17:18:42.57
IV.GUMA.HHE. ML:2.9 0.00406 0.26 AML other m 2021-01-22T17:18:42.55
IV.GUMA.HHN. ML:2.6 0.002241932 0.2432 AML other m 2021-01-22T17:18:42.52
IV.GUMA.HNN. ML:2.7 0.0029737555 0.2176 AML other m 2021-01-22T17:18:42.53
IV.ASSB.HHN. ML:2 0.000547485 0.4224 AML other m 2021-01-22T17:18:42.66
IV.ASSB.HHE. ML:1.8 0.00029659095 0.2176 AML other m 2021-01-22T17:18:43.96
IV.FOSV.EHE. ML:1.5 0.0001171 1.6 AML other m 2021-01-22T17:18:45.83
IV.FOSV.EHN. ML:1.6 0.000154 0.28 AML other m 2021-01-22T17:18:45.24
IV.ATCC.EHN. ML:1.8 0.000251 0.36 AML other m 2021-01-22T17:18:45.02
IV.EL6.EHE. ML:2 0.00036686175 0.2432 AML other m 2021-01-22T17:18:45.59
IV.MF5.EHE. ML:2 0.0003635 1.54 AML other m 2021-01-22T17:18:46.03
IV.EL6.EHN. ML:2.1 0.0005687223 0.2432 AML other m 2021-01-22T17:18:46.41
IV.SAP2.EHE. ML:1.8 0.0003178881 0.2816 AML other m 2021-01-22T17:18:46.73
IV.ATCC.EHE. ML:1.7 0.00022572795 0.2048 AML other m 2021-01-22T17:18:47.32
IV.SAP2.EHN. ML:2.7 0.002333712 0.2816 AML other m 2021-01-22T17:18:47.68
IV.LNSS.HHN. ML:2.2 0.000502 1.82 AML other m 2021-01-22T17:18:47.05
IV.LNSS.HNN. ML:2.2 0.00050029295 0.1792 AML other m 2021-01-22T17:18:48.05
IV.LNSS.HHE. ML:2 0.00030015805 0.1408 AML other m 2021-01-22T17:18:48.09
IV.LNSS.HNE. ML:2 0.00029785555 0.1408 AML other m 2021-01-22T17:18:48.16
IV.MNTT.EHE. ML:2.2 0.00045625045 0.1152 AML other m 2021-01-22T17:18:48.13
IV.MTRA.HNE. ML:1.9 0.0002611606 0.2304 AML other m 2021-01-22T17:18:48.89
IV.MTRA.EHE. ML:1.9 0.00024383475 0.2432 AML other m 2021-01-22T17:18:48.90
IV.MF5.EHN. ML:1.9 0.0003336012 0.5888 AML other m 2021-01-22T17:18:49.66
IV.ARRO.EHE. ML:1.8 0.00013871588 0.2816 AML other m 2021-01-22T17:18:50.07
IV.MTRA.HNN. ML:2 0.0002828481 0.3456 AML other m 2021-01-22T17:18:50.28
IV.MTRA.EHN. ML:2 0.0002883586 0.3456 AML other m 2021-01-22T17:18:50.30
IV.ARVD.HHN. ML:1.5 7.3499665E-5 0.1792 AML other m 2021-01-22T17:18:50.74
IV.ARVD.HHE. ML:1.6 0.00010715 1.42 AML other m 2021-01-22T17:18:50.24
IV.SMA1.EHE. ML:2 0.000255 0.42 AML other m 2021-01-22T17:18:52.93
IV.TERO.HNE. ML:1.7 8.761479E-5 0.2688 AML other m 2021-01-22T17:18:53.24
IV.TERO.HHE. ML:1.6 7.03E-5 0.26 AML other m 2021-01-22T17:18:53.11
IV.ARRO.EHN. ML:1.7 0.0001288 0.2 AML other m 2021-01-22T17:18:53.34
IV.MNTT.EHN. ML:2.1 0.0003524848 0.3584 AML other m 2021-01-22T17:18:53.47
IV.TERO.HHN. ML:1.6 8.130202E-5 0.1152 AML other m 2021-01-22T17:18:53.98
IV.SMA1.EHN. ML:1.9 0.00020872015 0.4608 AML other m 2021-01-22T17:18:54.09
IV.TERO.HNN. ML:2.1 0.0002272882 0.9728 AML other m 2021-01-22T17:18:58.55
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