Earthquake with magnitude of ML 1.4 on date 30-09-2021 and time 12:05:50 (Italy) in region 4 km E San Severino Marche (MC)

A magnitude ML 1.4 earthquake occured in region: 4 km E San Severino Marche (MC), on

  • 30-09-2021 10:05:50 (UTC)
  • 30-09-2021 12:05:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2300, 13.2250 at 18 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 4 12726 12726
Tolentino MC 5 20069 32795
Serrapetrona MC 6 966 33761
Belforte del Chienti MC 7 1886 35647
Caldarola MC 10 1823 37470
Pollenza MC 11 6618 44088
Camporotondo di Fiastrone MC 11 563 44651
Treia MC 12 9403 54054
Gagliole MC 13 620 54674
Urbisaglia MC 13 2628 57302
Colmurano MC 13 1263 58565
Castelraimondo MC 14 4587 63152
Cessapalombo MC 14 512 63664
Ripe San Ginesio MC 15 852 64516
San Ginesio MC 15 3498 68014
Cingoli MC 16 10352 78366
Camerino MC 16 6974 85340
Loro Piceno MC 17 2401 87741
Matelica MC 18 9981 97722
Appignano MC 18 4213 101935
Petriolo MC 20 1998 103933
Apiro MC 20 2280 106213
Poggio San Vicino MC 20 246 106459

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km SW of Ancona (100861 inhabitants)
52 Km NE of Foligno (57155 inhabitants)
69 Km E of Perugia (166134 inhabitants)
70 Km S of Fano (60888 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
80 Km SE of Pesaro (94582 inhabitants)
88 Km NE of Terni (111501 inhabitants)
99 Km N of L'Aquila (69753 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 2021-09-30
10:05:50
43.23 13.2247 19 2022-03-30
13:04:11
Bollettino Sismico Italiano INGV 96537161
Reviewed
Rev100
ML 1.5 2021-09-30
10:05:51
43.2227 13.215 17 2021-09-30
10:16:03
Sala Sismica INGV-Roma 96060191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-30 10:05:50 ± 0.07
Latitude 43.2300 ± 0.0027
Longitude 13.2247 ± 0.0037
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96537161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 327
Semi-minor axis of confidence ellipse (meter) 85
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
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 33
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45326
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 96537161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-14 08:15:57

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 96060191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-30 10:16:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCIV.CHZ. 2021-09-30T10:06:12.41 3.0 positive manual Pg -0.04 0
IV.ASSB.HHZ. 2021-09-30T10:06:07.18 0.3 undecidable manual S 246 50.3163 101 0.17 69
IV.NRCA.HHZ. 2021-09-30T10:06:05.76 0.3 undecidable manual S 192 44.9217 103 0.17 69
IV.MC2.EHZ. 2021-09-30T10:06:03.44 0.3 undecidable manual S 185 35.4423 107 0.28 69
IV.MMO1.EHN. 2021-09-30T10:06:03.69 0.6 undecidable manual S 167 37.629 106 -0.02 48
IV.CESI.HHZ. 2021-09-30T10:06:03.57 0.3 undecidable manual S 226 36.0417 107 0.27 69
IV.MF5.EHZ. 2021-09-30T10:06:02.81 0.6 undecidable manual S 145 32.9448 109 0.28 46
IV.MML1.EHZ. 2021-09-30T10:06:00.48 0.3 undecidable manual S 238 24.1536 118 0.1 73
IV.FDMO.HHZ. 2021-09-30T10:06:00.26 0.3 undecidable manual S 207 24.1536 118 -0.11 73
IV.SNTG.HHZ. 2021-09-30T10:05:59.75 0.6 undecidable manual S 277 23.1546 119 -0.38 46
IV.NRCA.HHZ. 2021-09-30T10:05:59.24 0.3 undecidable manual P 192 44.9217 103 -0.16 69
IV.CADA.HNE. 2021-09-30T10:05:59.31 0.6 undecidable manual P 95 43.623 103 0.11 47
IV.AOI.HHE. 2021-09-30T10:05:59.80 0.3 undecidable manual P 40 46.7199 102 0.12 70
IV.ASSB.HHZ. 2021-09-30T10:05:59.94 0.3 undecidable manual P 246 50.3163 101 -0.28 67
IV.CING.HHZ. 2021-09-30T10:05:58.64 0.3 undecidable manual S 352 16.2726 131 0 75
IV.MMO1.EHN. 2021-09-30T10:05:58.03 0.3 undecidable manual P 167 37.629 106 -0.28 69
IV.CESI.HHZ. 2021-09-30T10:05:58.05 0.3 undecidable manual P 226 36.0417 107 -0.02 73
IV.CSP1.EHZ. 2021-09-30T10:05:58.56 0.3 undecidable manual S 186 15.3735 133 0.1 74
IV.ARVD.HHZ. 2021-09-30T10:05:58.40 0.3 undecidable manual P 323 37.5291 106 0.1 71
IV.EL6.EHZ. 2021-09-30T10:05:58.57 0.3 undecidable manual S 318 14.874 134 0.22 72
IV.MC2.EHZ. 2021-09-30T10:05:57.79 0.3 undecidable manual P 185 35.4423 107 -0.21 70
IV.MNTT.EHE. 2021-09-30T10:05:57.77 0.6 undecidable manual P 122 35.3424 107 -0.21 47
IV.PF6.EHN. 2021-09-30T10:05:57.40 0.3 undecidable manual S 193 10.4784 145 -0.2 74
IV.MF5.EHZ. 2021-09-30T10:05:57.82 0.3 undecidable manual P 145 32.9448 109 0.19 71
IV.FDMO.HHZ. 2021-09-30T10:05:56.12 0.3 undecidable manual P 207 24.1536 118 -0.26 71
IV.SNTG.HHZ. 2021-09-30T10:05:56.20 0.1 undecidable manual P 277 23.1546 119 -0.04 99
IV.MML1.EHZ. 2021-09-30T10:05:56.46 0.1 positive manual P 238 24.1536 118 0.07 98
IV.SAP2.EHZ. 2021-09-30T10:05:56.10 0.6 undecidable manual P 136 20.4684 123 0.21 48
IV.MNTP.HNZ. 2021-09-30T10:05:56.18 0.6 undecidable manual P 117 22.2555 121 0.05 49
IV.EL6.EHZ. 2021-09-30T10:05:55.29 0.1 undecidable manual P 318 14.874 134 0.07 99
IV.CING.HHZ. 2021-09-30T10:05:55.33 0.3 undecidable manual P 352 16.2726 131 -0.06 75
IV.CSP1.EHZ. 2021-09-30T10:05:55.23 0.1 positive manual P 186 15.3735 133 -0.05 100
IV.PF6.EHN. 2021-09-30T10:05:54.59 0.3 undecidable manual P 193 10.4784 145 -0.19 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.8 0.000383 0.42 AML other m 2021-09-30T10:05:58.68
IV.CING.HHN. ML:1.4 0.000168 0.26 AML other m 2021-09-30T10:05:58.95
IV.CSP1.EHN. ML:1.8 0.00046550000000000004 1.34 AML other m 2021-09-30T10:05:58.86
IV.EL6.EHE. ML:1.6 0.0003045 0.24 AML other m 2021-09-30T10:05:58.87
IV.CING.HHE. ML:1.2 0.0001043 0.26 AML other m 2021-09-30T10:05:59.14
IV.EL6.EHN. ML:1.7 0.00033650000000000005 0.52 AML other m 2021-09-30T10:05:59.02
IV.FDMO.HHE. ML:1.5 0.00016249999999999997 0.24 AML other m 2021-09-30T10:06:00.51
IV.FDMO.HHN. ML:1.2 0.00008665 0.8 AML other m 2021-09-30T10:06:00.57
IV.SNTG.HHN. ML:1.6 0.0001995 0.18 AML other m 2021-09-30T10:06:00.71
IV.SNTG.HHE. ML:1.1 0.0000645 1.66 AML other m 2021-09-30T10:06:00.00
IV.MML1.EHN. ML:1.0 0.00005345 0.18 AML other m 2021-09-30T10:06:03.13
IV.MML1.EHE. ML:0.9 0.000041349999999999995 0.18 AML other m 2021-09-30T10:06:03.14
IV.CESI.HHE. ML:1.4 0.0000944 0.18 AML other m 2021-09-30T10:06:04.17
IV.CESI.HHN. ML:1.4 0.00008510000000000001 0.4 AML other m 2021-09-30T10:06:04.20
IV.NRCA.HHE. ML:1.6 0.00010245 1.06 AML other m 2021-09-30T10:06:08.09
IV.NRCA.HHN. ML:1.4 0.0000715 1.38 AML other m 2021-09-30T10:06:08.92
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