Earthquake with magnitude of ML 1.4 on date 22-02-2021 and time 22:10:20 (UTC) in region 5 km NW San Severino Marche (MC)

A magnitude ML 1.4 earthquake occured in region: 5 km NW San Severino Marche (MC), on

  • 22-02-2021 22:10:20 (UTC)
  • 22-02-2021 23:10:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2590, 13.1340 at 11 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
San Severino Marche MC 5 12726 12726
Gagliole MC 6 620 13346
Castelraimondo MC 8 4587 17933
Matelica MC 10 9981 27914
Serrapetrona MC 10 966 28880
Tolentino MC 13 20069 48949
Belforte del Chienti MC 13 1886 50835
Poggio San Vicino MC 14 246 51081
Cerreto d'Esi AN 14 3817 54898
Cingoli MC 15 10352 65250
Camerino MC 15 6974 72224
Pioraco MC 15 1134 73358
Apiro MC 15 2280 75638
Esanatoglia MC 15 2034 77672
Caldarola MC 15 1823 79495
Treia MC 16 9403 88898
Pollenza MC 17 6618 95516
Camporotondo di Fiastrone MC 18 563 96079
Fiuminata MC 18 1402 97481
Sefro MC 19 422 97903
Cessapalombo MC 19 512 98415
Staffolo AN 20 2253 100668

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NE of Foligno (57155 inhabitants)
51 Km SW of Ancona (100861 inhabitants)
63 Km E of Perugia (166134 inhabitants)
66 Km S of Fano (60888 inhabitants)
75 Km S of Pesaro (94582 inhabitants)
81 Km NW of Teramo (54892 inhabitants)
87 Km NE of Terni (111501 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 1.4 2021-02-22
22:10:20
43.2588 13.1343 11 2021-07-12
16:55:11
Bollettino Sismico Italiano INGV 90081471
Reviewed
Rev100
ML 1.5 2021-02-22
22:10:20
43.2632 13.1368 12 2021-02-22
22:18:20
Sala Sismica INGV-Roma 87389951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-22 22:10:20 ± 0.05
Latitude 43.2588 ± 0.0027
Longitude 13.1343 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90081471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 452
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.63672
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 90081471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-14 08:34:39

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 87389951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-22 22:18:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-02-22T22:10:38.95 0.3 undecidable manual S 303 57.1983 50 0.36 65
IV.MPAG.EHZ. 2021-02-22T22:10:37.57 0.3 undecidable manual S 324 51.0156 50 0.65 61
IV.ATFO.HHZ. 2021-02-22T22:10:36.60 0.3 undecidable manual S 285 47.0196 50 0.75 58
IV.FRON.EHZ. 2021-02-22T22:10:35.48 0.3 undecidable manual S 311 43.7229 50 0.5 65
IV.NRCA.HHZ. 2021-02-22T22:10:35.99 0.3 undecidable manual S 182 47.2194 50 0.08 71
IV.MMO1.EHZ. 2021-02-22T22:10:34.64 0.3 undecidable manual S 159 42.8238 50 -0.1 71
IV.ATCC.EHZ. 2021-02-22T22:10:34.73 0.1 undecidable manual S 259 40.8258 50 0.53 86
IV.MF5.EHZ. 2021-02-22T22:10:34.80 0.6 undecidable manual S 139 39.9267 50 0.82 38
IV.PE3.EHZ. 2021-02-22T22:10:33.19 0.6 undecidable manual P 314 70.6737 50 0.07 45
IV.SSFR.HHZ. 2021-02-22T22:10:32.37 0.6 undecidable manual S 305 34.5432 50 -0.17 47
IV.CESI.HHZ. 2021-02-22T22:10:32.53 0.3 undecidable manual S 214 33.744 50 0.21 70
IV.SAP2.EHZ. 2021-02-22T22:10:31.64 0.3 undecidable manual S 130 27.9498 50 0.87 58
IV.ARVD.HHZ. 2021-02-22T22:10:31.50 0.3 undecidable manual S 330 30.747 50 -0.02 74
IV.NARO.HHZ. 2021-02-22T22:10:31.27 0.3 undecidable manual P 311 59.2962 50 -0.09 69
IV.FOSV.EHZ. 2021-02-22T22:10:31.50 0.3 undecidable manual S 278 30.4473 50 0.08 73
IV.PIEI.HHZ. 2021-02-22T22:10:30.75 0.3 undecidable manual P 303 57.1983 50 -0.3 66
IV.GUMA.HHZ. 2021-02-22T22:10:30.98 0.3 undecidable manual S 143 27.1506 50 0.42 68
IV.ATFO.HHZ. 2021-02-22T22:10:29.25 0.3 undecidable manual P 285 47.0196 50 -0.22 69
IV.MPAG.EHZ. 2021-02-22T22:10:29.81 0.3 undecidable manual P 324 51.0156 50 -0.27 67
IV.NRCA.HHZ. 2021-02-22T22:10:29.20 0.3 undecidable manual P 182 47.2194 50 -0.3 68
IV.MNTT.EHZ. 2021-02-22T22:10:29.27 0.3 undecidable manual P 120 43.2234 50 0.38 67
IV.MML1.HNZ. 2021-02-22T22:10:29.01 0.3 undecidable manual S 219 20.7681 117 0.15 73
IV.MURB.HHZ. 2021-02-22T22:10:29.74 0.3 undecidable manual P 271 49.2174 50 -0.08 70
IV.AOI.HHZ. 2021-02-22T22:10:29.60 0.3 undecidable manual P 49 49.617 50 -0.28 68
IV.FDMO.HHZ. 2021-02-22T22:10:29.84 0.1 undecidable manual S 189 24.9528 50 -0.13 97
IV.ATCC.EHZ. 2021-02-22T22:10:28.32 0.1 undecidable manual P 259 40.8258 50 -0.19 93
IV.ATSC.EHZ. 2021-02-22T22:10:28.12 0.3 undecidable manual P 297 40.5261 50 -0.35 68
IV.CSP1.EHZ. 2021-02-22T22:10:28.39 0.1 undecidable manual S 163 19.3695 119 -0.03 100
IV.MF5.EHZ. 2021-02-22T22:10:28.44 0.3 undecidable manual P 139 39.9267 50 0.05 72
IV.FRON.EHZ. 2021-02-22T22:10:28.71 0.3 undecidable manual P 311 43.7229 50 -0.25 69
IV.ASSB.HHZ. 2021-02-22T22:10:28.92 0.3 undecidable manual P 238 45.3213 50 -0.3 68
IV.MMO1.EHZ. 2021-02-22T22:10:28.30 0.1 undecidable manual P 159 42.8238 50 -0.53 86
IV.CESI.HHZ. 2021-02-22T22:10:27.19 0.1 positive manual P 214 33.744 50 -0.24 93
IV.SSFR.HHZ. 2021-02-22T22:10:27.32 0.1 positive manual P 305 34.5432 50 -0.23 93
IV.MC2.EHZ. 2021-02-22T22:10:27.82 0.3 undecidable manual P 173 38.8278 50 -0.39 67
IV.FOSV.EHZ. 2021-02-22T22:10:26.65 0.1 positive manual P 278 30.4473 50 -0.26 93
IV.GUMA.HHZ. 2021-02-22T22:10:26.30 0.1 negative manual P 143 27.1506 50 -0.12 97
IV.SAP2.EHZ. 2021-02-22T22:10:26.61 0.6 undecidable manual P 130 27.9498 50 0.07 49
IV.CING.HNZ. 2021-02-22T22:10:26.68 0.3 undecidable manual S 21 13.875 127 -0.13 74
IV.MNTP.HNZ. 2021-02-22T22:10:26.98 0.1 undecidable manual P 116 30.2475 50 0.09 97
IV.ARVD.HHZ. 2021-02-22T22:10:26.63 0.1 negative manual P 330 30.747 50 -0.34 92
IV.PF6.EHZ. 2021-02-22T22:10:26.93 0.3 undecidable manual S 160 14.2746 127 0.01 76
IV.FDMO.HHZ. 2021-02-22T22:10:25.76 0.1 positive manual P 189 24.9528 50 -0.32 93
IV.MDAR.HNZ. 2021-02-22T22:10:25.72 0.3 undecidable manual S 175 7.3815 145 0.49 70
IV.EL6.EHZ. 2021-02-22T22:10:25.90 0.3 undecidable manual S 341 8.2806 142 0.48 69
IV.MML1.HNZ. 2021-02-22T22:10:25.29 0.1 positive manual P 219 20.7681 117 -0.14 97
IV.CING.HNZ. 2021-02-22T22:10:24.05 0.1 negative manual P 21 13.875 127 -0.2 97
IV.PF6.EHZ. 2021-02-22T22:10:24.16 0.1 negative manual P 160 14.2746 127 -0.16 98
IV.CSP1.EHZ. 2021-02-22T22:10:24.95 0.1 negative manual P 163 19.3695 119 -0.22 96
IV.MDAR.HNZ. 2021-02-22T22:10:23.52 0.1 undecidable manual P 175 7.3815 145 0.19 99
IV.EL6.EHZ. 2021-02-22T22:10:23.64 0.1 negative manual P 341 8.2806 142 0.2 98
IV.SSM1.HNZ. 2021-02-22T22:10:23.28 0.1 undecidable manual P 134 4.7952 156 0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:1.6 0.0005600000000000001 1.16 AML other m 2021-02-22T22:10:26.32
IV.EL6.EHN. ML:1.6 0.0005705 0.36 AML other m 2021-02-22T22:10:27.56
IV.CSP1.EHE. ML:1.9 0.000682 0.26 AML other m 2021-02-22T22:10:28.91
IV.CSP1.EHN. ML:1.7 0.0003745 0.48 AML other m 2021-02-22T22:10:30.42
IV.FDMO.HHN. ML:1.3 0.00011355000000000001 1.08 AML other m 2021-02-22T22:10:30.66
IV.FDMO.HHE. ML:1.4 0.0001395 1.16 AML other m 2021-02-22T22:10:30.09
IV.GUMA.HHE. ML:1.9 0.0004695 0.92 AML other m 2021-02-22T22:10:31.29
IV.GUMA.HHN. ML:1.8 0.00032950000000000004 0.24 AML other m 2021-02-22T22:10:31.31
IV.FOSV.EHE. ML:1.4 0.0001102 0.22 AML other m 2021-02-22T22:10:31.73
IV.ARVD.HHN. ML:0.8 0.0000296 0.14 AML other m 2021-02-22T22:10:32.48
IV.CESI.HHN. ML:1.3 0.0000809 0.72 AML other m 2021-02-22T22:10:32.44
IV.FOSV.EHN. ML:1.3 0.00009465 0.38 AML other m 2021-02-22T22:10:32.82
IV.SSFR.HHE. ML:1.6 0.00016549999999999998 0.3 AML other m 2021-02-22T22:10:33.58
IV.SSFR.HHN. ML:1.7 0.00021 0.76 AML other m 2021-02-22T22:10:33.96
IV.CESI.HHE. ML:1.2 0.0000699 0.66 AML other m 2021-02-22T22:10:33.47
IV.ARVD.HHE. ML:0.9 0.00003655 0.44 AML other m 2021-02-22T22:10:34.15
IV.ATCC.EHN. ML:1.2 0.000056349999999999994 1.5 AML other m 2021-02-22T22:10:35.97
IV.FRON.EHN. ML:1.4 0.00006835 0.22 AML other m 2021-02-22T22:10:35.99
IV.NRCA.HHE. ML:1.5 0.00008685 1.12 AML other m 2021-02-22T22:10:36.26
IV.MNTT.EHE. ML:2.0 0.0002845 1.38 AML other m 2021-02-22T22:10:36.08
IV.MNTT.EHN. ML:1.8 0.000216 1.3 AML other m 2021-02-22T22:10:37.94
IV.ATCC.EHE. ML:1.1 0.000041599999999999995 0.38 AML other m 2021-02-22T22:10:38.13
IV.MURB.HHE. ML:1.6 0.0001175 1.02 AML other m 2021-02-22T22:10:38.40
IV.NRCA.HHN. ML:1.6 0.00010925 0.14 AML other m 2021-02-22T22:10:38.40
IV.ATFO.HHE. ML:1.2 0.00004795 0.7 AML other m 2021-02-22T22:10:38.06
IV.ATFO.HHN. ML:1.2 0.0000498 0.54 AML other m 2021-02-22T22:10:38.37
IV.FRON.EHE. ML:1.2 0.00004505 1.58 AML other m 2021-02-22T22:10:38.10
IV.MURB.HHN. ML:1.6 0.000112 0.24 AML other m 2021-02-22T22:10:39.28
IV.PIEI.HHE. ML:1.3 0.00003915 0.94 AML other m 2021-02-22T22:10:40.62
IV.PIEI.HHN. ML:1.1 0.00002525 0.78 AML other m 2021-02-22T22:10:41.42
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