Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 15-03-2021 and time 13:27:21 (UTC) in region 2 km NW Ussita (MC)

A magnitude ML 2.2 earthquake occured in region: 2 km NW Ussita (MC), on

  • 15-03-2021 13:27:21 (UTC)
  • 15-03-2021 14:27:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9630, 13.1260 at 10 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
Ussita MC 2 444 444
Visso MC 5 1107 1551
Castelsantangelo sul Nera MC 8 281 1832
Fiastra MC 9 559 2391
Acquacanina MC 9 121 2512
Fiordimonte MC 9 202 2714
Bolognola MC 9 142 2856
Monte Cavallo MC 11 145 3001
Pieve Torina MC 11 1458 4459
Preci PG 12 724 5183
Pievebovigliana MC 12 866 6049
Muccia MC 15 915 6964
Sarnano MC 17 3264 10228
Montefortino FM 18 1178 11406
Montemonaco AP 18 604 12010
Sellano PG 18 1079 13089
Serravalle di Chienti MC 19 1070 14159
Amandola FM 19 3629 17788
Norcia PG 19 4957 22745
Cessapalombo MC 20 512 23257
Camerino MC 20 6974 30231

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
62 Km E of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
97 Km NW of Montesilvano (53738 inhabitants)
98 Km S of Fano (60888 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 2.2 2021-03-15
13:27:21		 42.9628 13.1257 10 2021-07-12
16:55:15		 Bollettino Sismico Italiano INGV 91493481
Reviewed
Rev100 		ML 2.2 2021-03-15
13:27:21		 42.9613 13.1238 10 2021-03-15
13:41:30		 Sala Sismica INGV-Roma 88158301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-15 13:27:21 ± 0.03
Latitude 42.9628 ± 0.0018
Longitude 13.1257 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91493481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 235
Semi-minor axis of confidence ellipse (meter) 205
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 32
Number of associated phases, regardless of their use for origin computation 79
Number of defining phases 61
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) 0.87504
Number of stations at which the event was observed 52
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 88158301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-15 13:41:30

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 91493481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-18 11:54:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.DOSS.HHZ. 2021-03-15T13:29:01.07 3.0 undecidable manual Sg 10.9 0
IV.AGLI.HHZ. 2021-03-15T13:29:00.47 3.0 undecidable manual Sn 2.89 0
AC.VLO.HHZ. 2021-03-15T13:28:56.12 3.0 negative manual Pg 16.620001 0
IV.FERC.HNZ. 2021-03-15T13:28:52.11 3.0 undecidable manual Pg 16.639999 0
IV.ESCV.HHZ. 2021-03-15T13:28:47.11 3.0 negative manual Pn 7.06 0
IV.TREG.EHZ. 2021-03-15T13:28:42.60 3.0 undecidable manual Sn -0.17 0
IV.CAGR.HHZ. 2021-03-15T13:28:40.76 3.0 undecidable manual Pn -0.29 0
IV.MTGR.HHZ. 2021-03-15T13:28:36.83 3.0 negative manual Pn 0.56 0
IV.VITU.HHZ. 2021-03-15T13:28:29.83 3.0 undecidable manual Sg 7.71 0
SI.BOSI.HHZ. 2021-03-15T13:28:25.70 3.0 negative manual Pg 7.86 0
OT.OT05.EHZ. 2021-03-15T13:28:25.43 3.0 undecidable manual Sn 0.25 0
SI.ROSI.HHZ. 2021-03-15T13:28:22.74 3.0 negative manual Pn -0.38 0
ST.RONC.EHZ. 2021-03-15T13:28:19.30 3.0 positive manual Pn 4.72 0
IV.ZEN8.EHZ. 2021-03-15T13:28:18.56 3.0 positive manual Pg 8.47 0
IV.PZUN.HHZ. 2021-03-15T13:28:16.88 3.0 positive manual Pg 8.92 0
NI.VINO.HHZ. 2021-03-15T13:28:12.99 3.0 positive manual Pn 1.91 0
GU.GSCL.HHZ. 2021-03-15T13:28:00.87 3.0 undecidable manual Pn 2.44 0
IV.PTRJ.HHZ. 2021-03-15T13:27:58.13 3.0 undecidable manual Pg 5.88 0
IV.FIAM.HHZ. 2021-03-15T13:27:45.15 0.6 undecidable manual S 181 77.0673 50 0.5 40
IV.CESX.HHZ. 2021-03-15T13:27:40.19 0.6 undecidable manual S 228 58.8966 50 0.4 42
IV.ARVD.HHZ. 2021-03-15T13:27:40.96 0.3 undecidable manual S 346 61.1943 50 0.55 60
IV.MURB.HHZ. 2021-03-15T13:27:40.80 0.6 undecidable manual S 305 58.9965 50 0.99 34
IV.CAMP.HHZ. 2021-03-15T13:27:38.15 0.3 undecidable manual S 154 52.7028 50 0.01 69
IV.TERO.HHZ. 2021-03-15T13:27:38.59 0.6 undecidable manual S 134 54.2013 50 0.05 46
IV.T0110.HHZ. 2021-03-15T13:27:37.85 0.3 undecidable manual P 147 97.125 50 -0.02 64
IV.RM33.EHZ. 2021-03-15T13:27:37.84 0.3 undecidable manual S 172 50.9157 50 0.19 67
IV.VCEL.EHZ. 2021-03-15T13:27:36.24 0.3 undecidable manual P 137 85.8474 50 0.11 64
IV.FAGN.HHZ. 2021-03-15T13:27:36.29 0.6 undecidable manual P 154 85.9473 50 0.15 42
IV.FOSV.EHZ. 2021-03-15T13:27:36.84 0.3 undecidable manual S 321 47.2194 50 0.17 68
IV.SMA1.EHZ. 2021-03-15T13:27:35.00 0.3 undecidable manual S 155 40.626 50 0.09 70
IV.FIAM.HHZ. 2021-03-15T13:27:34.74 0.3 undecidable manual P 181 77.0673 50 -0.04 66
IV.EL6.EHZ. 2021-03-15T13:27:34.85 0.3 undecidable manual S 357 40.7259 50 -0.08 70
IV.LNSS.HHZ. 2021-03-15T13:27:34.78 0.3 undecidable manual S 190 40.5261 50 -0.11 70
IT.FOPC.HGN. 2021-03-15T13:27:33.49 0.6 undecidable manual S 271 34.3434 50 0.26 45
IV.GAVE.EHZ. 2021-03-15T13:27:33.57 0.3 undecidable manual S 212 35.4423 50 0.04 71
IV.MTRA.EHZ. 2021-03-15T13:27:32.10 0.3 undecidable manual S 136 31.746 50 -0.44 66
IV.ARVD.HHZ. 2021-03-15T13:27:32.16 0.3 undecidable manual P 346 61.1943 50 -0.17 66
IV.TERO.HHZ. 2021-03-15T13:27:31.02 0.3 undecidable manual P 134 54.2013 50 -0.23 66
IV.MURB.HHZ. 2021-03-15T13:27:31.64 0.3 undecidable manual P 305 58.9965 50 -0.34 64
IV.CESX.HHZ. 2021-03-15T13:27:31.70 0.3 undecidable manual P 228 58.8966 50 -0.28 65
IV.SAP2.EHZ. 2021-03-15T13:27:31.48 0.6 undecidable manual S 56 26.6511 110 0.34 45
IV.MF5.EHZ. 2021-03-15T13:27:31.75 0.6 undecidable manual S 84 27.2505 109 0.43 44
IV.CAMP.HHZ. 2021-03-15T13:27:30.67 0.1 undecidable manual P 154 52.7028 50 -0.35 86
IV.RM33.EHZ. 2021-03-15T13:27:30.52 0.3 undecidable manual P 172 50.9157 50 -0.22 67
IV.FOSV.EHZ. 2021-03-15T13:27:30.05 0.6 undecidable manual P 321 47.2194 50 -0.12 46
IV.OFFI.HHZ. 2021-03-15T13:27:30.70 0.3 undecidable manual P 94 45.621 50 0.78 57
IV.MDAR.HNE. 2021-03-15T13:27:30.25 0.3 undecidable manual S 3 25.5522 111 -0.51 65
IV.MOMA.HHZ. 2021-03-15T13:27:30.21 0.1 undecidable manual P 249 48.5181 50 -0.16 90
IV.GUMA.HHZ. 2021-03-15T13:27:29.34 0.3 undecidable manual S 57 20.2686 115 0.25 70
IV.SMA1.EHZ. 2021-03-15T13:27:29.02 0.3 undecidable manual P 155 40.626 50 -0.14 69
IV.ATCC.EHZ. 2021-03-15T13:27:29.95 0.3 undecidable manual P 302 46.4202 50 -0.11 69
IV.MNTT.EHZ. 2021-03-15T13:27:29.47 0.3 undecidable manual P 74 39.627 50 0.46 65
IV.MML1.EHZ. 2021-03-15T13:27:29.14 0.3 undecidable manual S 323 20.868 115 -0.12 72
IV.LNSS.HHZ. 2021-03-15T13:27:28.93 0.1 undecidable manual P 190 40.5261 50 -0.21 91
IV.MMO1.EHZ. 2021-03-15T13:27:28.04 0.3 undecidable manual S 113 17.7711 118 -0.28 70
IT.FOPC.HGN. 2021-03-15T13:27:28.11 0.3 undecidable manual P 271 34.3434 50 -0.08 71
IV.CESI.HNZ. 2021-03-15T13:27:28.67 0.3 undecidable manual S 285 18.5703 117 0.13 72
IV.GAVE.EHZ. 2021-03-15T13:27:28.25 0.1 undecidable manual P 212 35.4423 50 -0.11 94
IV.EL6.EHZ. 2021-03-15T13:27:28.90 0.1 undecidable manual P 357 40.7259 50 -0.27 90
IV.SAP2.EHZ. 2021-03-15T13:27:27.06 0.1 undecidable manual P 56 26.6511 110 0.08 96
IV.CSP1.EHZ. 2021-03-15T13:27:27.41 0.3 undecidable manual S 24 15.6732 122 -0.27 70
IV.MF5.EHZ. 2021-03-15T13:27:27.16 0.1 undecidable manual P 84 27.2505 109 0.08 96
IV.MTRA.EHZ. 2021-03-15T13:27:27.47 0.3 undecidable manual P 136 31.746 50 -0.32 68
IV.NRCA.HNZ. 2021-03-15T13:27:27.26 0.6 undecidable manual S 184 14.3745 124 -0.04 49
IT.MTCL.HGZ. 2021-03-15T13:27:26.33 0.3 undecidable manual S 289 10.7781 132 0.01 75
IV.MDAR.HNE. 2021-03-15T13:27:26.50 0.6 undecidable manual P 3 25.5522 111 -0.26 46
IV.CESI.HNZ. 2021-03-15T13:27:25.60 0.1 undecidable manual P 285 18.5703 117 0.12 96
IV.FEMA.HNZ. 2021-03-15T13:27:25.45 0.3 undecidable manual S 269 6.1938 147 0.19 73
IV.MC2.EHZ. 2021-03-15T13:27:25.68 0.3 undecidable manual S 138 7.6812 141 0.11 74
IV.MML1.EHZ. 2021-03-15T13:27:25.83 0.1 undecidable manual P 323 20.868 115 -0.07 97
IV.FDMO.HHZ. 2021-03-15T13:27:25.48 0.3 undecidable manual S 339 8.7801 138 -0.33 70
IV.GUMA.HHZ. 2021-03-15T13:27:25.91 0.1 undecidable manual P 57 20.2686 115 0.12 96
IV.MMO1.EHZ. 2021-03-15T13:27:25.24 0.1 undecidable manual P 113 17.7711 118 -0.11 96
IT.MTCL.HGZ. 2021-03-15T13:27:24.26 0.1 undecidable manual P 289 10.7781 132 0.07 98
IV.NRCA.HNZ. 2021-03-15T13:27:24.84 0.1 undecidable manual P 184 14.3745 124 0.08 98
IV.CSP1.EHZ. 2021-03-15T13:27:24.95 0.1 undecidable manual P 24 15.6732 122 -0.03 98
IV.FEMA.HNZ. 2021-03-15T13:27:23.82 0.1 undecidable manual P 269 6.1938 147 0.24 96
IV.MC2.EHZ. 2021-03-15T13:27:23.97 0.1 undecidable manual P 138 7.6812 141 0.21 96
IV.FDMO.HHZ. 2021-03-15T13:27:23.89 0.1 undecidable manual P 339 8.7801 138 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:2.3 0.0029917175000000002 0.2176 AML other m 2021-03-15T13:27:25.68
IV.FDMO.HHN. ML:2.4 0.0036849999999999995 0.16 AML other m 2021-03-15T13:27:25.85
IV.FEMA.HNN. ML:2.7 0.00811 0.1 AML other m 2021-03-15T13:27:25.85
IV.FEMA.HNE. ML:2.5 0.0051711195 0.0768 AML other m 2021-03-15T13:27:25.98
IV.NRCA.HNE. ML:2.8 0.007368322 0.096 AML other m 2021-03-15T13:27:27.32
IV.NRCA.HHE. ML:2.9 0.007796708 0.16 AML other m 2021-03-15T13:27:27.45
IV.CSP1.EHN. ML:2.8 0.006724157 0.16 AML other m 2021-03-15T13:27:27.58
IV.NRCA.HHN. ML:2.6 0.003969648 0.1216 AML other m 2021-03-15T13:27:27.79
IV.NRCA.HNN. ML:2.6 0.0038184819999999998 0.1152 AML other m 2021-03-15T13:27:27.79
IV.CSP1.EHE. ML:2.7 0.004660966 0.2368 AML other m 2021-03-15T13:27:28.03
IV.CESI.HHN. ML:2.3 0.0015688865 1.7568 AML other m 2021-03-15T13:27:28.01
IV.CESI.HNN. ML:2.3 0.0014815395 1.7632 AML other m 2021-03-15T13:27:28.02
IV.CESI.HHE. ML:2.2 0.001157794 0.16 AML other m 2021-03-15T13:27:29.48
IV.CESI.HNE. ML:2.1 0.0011372715 0.16 AML other m 2021-03-15T13:27:29.49
IV.GUMA.HNN. ML:2.6 0.0030503225 0.288 AML other m 2021-03-15T13:27:29.48
IV.GUMA.HHN. ML:2.8 0.004415 0.28 AML other m 2021-03-15T13:27:29.49
IV.GUMA.HNE. ML:2.6 0.0031411 0.3392 AML other m 2021-03-15T13:27:29.48
IV.MF5.EHN. ML:2.1 0.00069988295 0.1408 AML other m 2021-03-15T13:27:32.15
IV.MF5.EHE. ML:2.1 0.0006739999999999999 0.16 AML other m 2021-03-15T13:27:32.23
IV.MTRA.HNN. ML:2.1 0.0005499277 0.1408 AML other m 2021-03-15T13:27:32.20
IV.MTRA.EHN. ML:2.1 0.0005755302 0.1408 AML other m 2021-03-15T13:27:32.28
IV.GUMA.HHE. ML:2.5 0.002266045 0.4352 AML other m 2021-03-15T13:27:32.20
IV.SAP2.EHN. ML:2.8 0.0039749575 0.1792 AML other m 2021-03-15T13:27:32.65
IV.MTRA.HNE. ML:2.2 0.0007965 0.18 AML other m 2021-03-15T13:27:32.68
IV.MTRA.EHE. ML:2.2 0.000797 0.2 AML other m 2021-03-15T13:27:32.69
IV.SAP2.EHE. ML:2.3 0.001031871 0.1408 AML other m 2021-03-15T13:27:33.23
IV.GAVE.HNE. ML:2.6 0.001845 0.12 AML other m 2021-03-15T13:27:33.82
IV.GAVE.EHE. ML:2.6 0.001745 0.12 AML other m 2021-03-15T13:27:33.82
IV.GAVE.HNN. ML:2.1 0.0004922389 0.1088 AML other m 2021-03-15T13:27:33.97
IV.GAVE.EHN. ML:2.6 0.001745 1.78 AML other m 2021-03-15T13:27:33.97
IV.LNSS.HHN. ML:2.4 0.0008135 0.18 AML other m 2021-03-15T13:27:35.26
IV.LNSS.HNN. ML:2.3 0.0007661251 0.1792 AML other m 2021-03-15T13:27:35.35
IV.LNSS.HNE. ML:2.3 0.0007543876499999999 0.1024 AML other m 2021-03-15T13:27:35.56
IV.LNSS.HHE. ML:2.4 0.00082014735 0.0832 AML other m 2021-03-15T13:27:35.52
IV.EL6.EHN. ML:2.0 0.00034804365 0.16 AML other m 2021-03-15T13:27:36.40
IV.EL6.EHE. ML:2.1 0.0003875 0.54 AML other m 2021-03-15T13:27:36.94
IV.ATCC.EHE. ML:2.4 0.000716 0.24 AML other m 2021-03-15T13:27:37.21
IV.ATCC.EHN. ML:2.1 0.0003579847 0.16 AML other m 2021-03-15T13:27:37.21
IV.FOSV.EHN. ML:2.2 0.000449 0.28 AML other m 2021-03-15T13:27:37.20
IV.CAMP.HHE. ML:1.8 0.00013900000000000002 0.16 AML other m 2021-03-15T13:27:38.31
IV.CAMP.HHN. ML:1.6 0.0001059821 0.3584 AML other m 2021-03-15T13:27:38.39
IV.RM33.HNE. ML:2.0 0.00027650600000000004 0.1728 AML other m 2021-03-15T13:27:38.60
IV.RM33.EHE. ML:2.0 0.000282 0.16 AML other m 2021-03-15T13:27:38.61
IV.TERO.HNE. ML:2.0 0.00023110935 0.2496 AML other m 2021-03-15T13:27:38.81
IV.FOSV.EHE. ML:1.6 0.00012395979999999999 0.2368 AML other m 2021-03-15T13:27:38.83
IV.RM33.EHN. ML:2.1 0.000333 0.12 AML other m 2021-03-15T13:27:39.19
IV.RM33.HNN. ML:2.1 0.00033255064 0.128 AML other m 2021-03-15T13:27:39.19
IV.MOMA.HHE. ML:2.3 0.0005363627 0.1792 AML other m 2021-03-15T13:27:39.42
IV.MOMA.HNE. ML:2.3 0.0005357898999999999 0.192 AML other m 2021-03-15T13:27:39.43
IV.TERO.HNN. ML:2.0 0.0002323059 0.0768 AML other m 2021-03-15T13:27:39.65
IV.SMA1.EHN. ML:2.0 0.00034860115 0.3392 AML other m 2021-03-15T13:27:39.72
IV.MOMA.HHN. ML:2.1 0.00034683205 0.2368 AML other m 2021-03-15T13:27:39.80
IV.MOMA.HNN. ML:2.1 0.00036795615000000006 0.2432 AML other m 2021-03-15T13:27:39.81
IV.TERO.HHN. ML:2.0 0.00026147320000000004 0.1024 AML other m 2021-03-15T13:27:40.18
IV.SMA1.EHE. ML:1.9 0.00029227175 0.48 AML other m 2021-03-15T13:27:41.04
IV.MURB.HNE. ML:2.3 0.00044298705000000006 0.3072 AML other m 2021-03-15T13:27:41.12
IV.MURB.HHE. ML:2.3 0.000432 0.28 AML other m 2021-03-15T13:27:41.12
IV.CESX.HHN. ML:1.9 0.00018472405 0.2752 AML other m 2021-03-15T13:27:41.48
IV.TERO.HHE. ML:1.9 0.00018110740000000001 0.1024 AML other m 2021-03-15T13:27:41.41
IV.ARVD.HHN. ML:1.4 0.000049398695000000005 0.1408 AML other m 2021-03-15T13:27:42.20
IV.CESX.HHE. ML:1.8 0.0001523236 0.16 AML other m 2021-03-15T13:27:42.24
IV.ARVD.HHE. ML:1.5 0.00006732199999999999 0.16 AML other m 2021-03-15T13:27:42.46
IV.MURB.HNN. ML:2.2 0.00031954459999999994 0.2368 AML other m 2021-03-15T13:27:42.78
IV.MURB.HHN. ML:2.2 0.0003312872 0.3008 AML other m 2021-03-15T13:27:43.17
IV.FIAM.HHE. ML:1.5 0.0000492 0.48 AML other m 2021-03-15T13:27:45.54
IV.FIAM.HHN. ML:1.6 0.0000634 1 AML other m 2021-03-15T13:27:46.90
IV.CAFI.HHN. ML:1.4 0.000025450000000000002 1.44 AML other m 2021-03-15T13:27:54.92
IV.CAFI.HHE. ML:1.4 0.0000253 1.72 AML other m 2021-03-15T13:27:56.03
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
Waveforms Seismic signals in miniseed + resp format Download