Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 23-01-2020 and time 08:07:47 (UTC) in region 8 km N San Severino Marche (MC)

A magnitude ML 1.5 earthquake occured in region: 8 km N San Severino Marche (MC), on

  • 23-01-2020 08:07:47 (UTC)
  • 23-01-2020 09:07:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3060, 13.1660 at 23 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
San Severino Marche MC 9 12726 12726
Cingoli MC 9 10352 23078
Apiro MC 10 2280 25358
Poggio San Vicino MC 11 246 25604
Gagliole MC 11 620 26224
Treia MC 12 9403 35627
Castelraimondo MC 14 4587 40214
Matelica MC 14 9981 50195
Serrapetrona MC 14 966 51161
Tolentino MC 14 20069 71230
Staffolo AN 14 2253 73483
Cerreto d'Esi AN 15 3817 77300
Pollenza MC 15 6618 83918
Appignano MC 16 4213 88131
Cupramontana AN 16 4756 92887
San Paolo di Jesi AN 17 933 93820
Belforte del Chienti MC 17 1886 95706
Esanatoglia MC 19 2034 97740
Caldarola MC 19 1823 99563
Maiolati Spontini AN 20 6248 105811
Monte Roberto AN 20 3061 108872
Serra San Quirico AN 20 2850 111722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SW of Ancona (100861 inhabitants)
54 Km NE of Foligno (57155 inhabitants)
61 Km S of Fano (60888 inhabitants)
67 Km E of Perugia (166134 inhabitants)
70 Km SE of Pesaro (94582 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
93 Km NE of Terni (111501 inhabitants)
97 Km SE of Rimini (147750 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 1.5 2020-01-23
08:07:47		 43.3055 13.1658 23 2020-07-18
21:08:21		 Bollettino Sismico Italiano INGV 76803801
Reviewed
Rev100 		ML 1.5 2020-01-23
08:07:47		 43.3185 13.1658 25 2020-01-23
08:25:46		 Sala Sismica INGV-Roma 75764451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-23 08:07:47 ± 0.1
Latitude 43.3055 ± 0.0027
Longitude 13.1658 ± 0.0062
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76803801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 463
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
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) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 76803801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-10 13:19:44

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 75764451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-23 08:25:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2020-01-23T08:08:05.20 0.6 undecidable manual S 185 52.503 107 0.29 45
IV.MPAG.EHZ. 2020-01-23T08:08:04.30 0.3 undecidable manual S 318 48.618 108 0.4 66
IV.ATCC.EHE. 2020-01-23T08:08:03.35 0.3 undecidable manual S 253 44.5221 110 0.47 66
IV.MC2.EHZ. 2020-01-23T08:08:03.00 0.3 undecidable manual S 178 43.7229 110 0.31 67
IV.AOI.HHE. 2020-01-23T08:08:03.57 0.6 undecidable manual S 52 44.4222 110 0.72 38
IV.MMO1.EHZ. 2020-01-23T08:08:03.95 0.3 undecidable manual S 164 46.9197 109 0.47 64
IV.FRON.EHZ. 2020-01-23T08:08:02.74 0.3 undecidable manual S 304 42.5241 111 0.35 68
IV.CESI.HHZ. 2020-01-23T08:08:01.95 0.6 undecidable manual S 212 39.4272 113 0.32 46
IV.SSFR.HHN. 2020-01-23T08:08:00.80 0.3 undecidable manual S 295 34.1436 117 0.46 67
IV.FDMO.HHZ. 2020-01-23T08:07:59.70 0.1 undecidable manual S 192 30.5472 120 0.22 94
IV.FOSV.HNE. 2020-01-23T08:07:59.90 0.3 undecidable manual S 268 32.6451 118 -0.09 71
IV.CSP1.EHZ. 2020-01-23T08:07:58.20 0.3 undecidable manual S 172 23.9538 128 0.18 72
IV.ARVD.HHZ. 2020-01-23T08:07:58.80 0.1 undecidable manual S 320 27.9498 123 -0.1 96
IV.MML1.HNZ. 2020-01-23T08:07:58.80 0.3 undecidable manual S 216 26.4513 125 0.23 71
IV.MMUR.HNE. 2020-01-23T08:07:57.37 0.6 undecidable manual S 318 20.3685 133 0.08 49
IV.SNTG.HHZ. 2020-01-23T08:07:57.00 0.3 undecidable manual S 253 19.0698 135 -0.04 74
IV.NRCA.HHZ. 2020-01-23T08:07:57.46 0.3 undecidable manual P 185 52.503 107 -0.29 67
IV.MMO1.EHZ. 2020-01-23T08:07:56.76 0.3 undecidable manual P 164 46.9197 109 -0.16 70
IV.MC2.EHZ. 2020-01-23T08:07:56.41 0.1 undecidable manual P 178 43.7229 110 -0.05 95
IV.FRON.EHZ. 2020-01-23T08:07:56.23 0.3 undecidable manual P 304 42.5241 111 -0.06 71
IV.MPAG.EHZ. 2020-01-23T08:07:56.94 0.3 undecidable manual P 318 48.618 108 -0.23 68
IV.ATCC.EHE. 2020-01-23T08:07:56.44 0.3 undecidable manual P 253 44.5221 110 -0.14 70
IV.AOI.HHE. 2020-01-23T08:07:56.95 0.6 undecidable manual P 52 44.4222 110 0.39 44
IV.MF5.EHZ. 2020-01-23T08:07:56.58 0.3 undecidable manual P 146 42.5241 111 0.29 67
IV.PF6.EHZ. 2020-01-23T08:07:56.80 0.6 undecidable manual S 173 18.7701 136 -0.19 49
IV.EL6.EHZ. 2020-01-23T08:07:55.30 0.3 undecidable manual S 297 5.7942 164 0.08 76
IV.MDAR.HNZ. 2020-01-23T08:07:55.90 0.3 undecidable manual S 188 12.6762 148 -0.08 75
IV.CESI.HHZ. 2020-01-23T08:07:55.60 0.1 negative manual P 212 39.4272 113 -0.25 92
IV.CING.HHZ. 2020-01-23T08:07:55.30 0.3 undecidable manual S 17 8.0808 158 -0.12 75
IV.SSFR.HHN. 2020-01-23T08:07:55.30 0.3 undecidable manual P 295 34.1436 117 0.19 71
IV.GAG1.HNZ. 2020-01-23T08:07:55.85 0.6 undecidable manual S 227 10.878 151 0.11 50
IV.ARVD.HHZ. 2020-01-23T08:07:54.01 0.1 positive manual P 320 27.9498 123 -0.27 93
IV.FOSV.HNE. 2020-01-23T08:07:54.68 0.3 undecidable manual P 268 32.6451 118 -0.23 70
IV.FDMO.HHZ. 2020-01-23T08:07:54.37 0.1 negative manual P 192 30.5472 120 -0.24 94
IV.CSP1.EHZ. 2020-01-23T08:07:53.60 0.1 negative manual P 172 23.9538 128 -0.17 97
IV.MMUR.HNE. 2020-01-23T08:07:53.47 0.3 undecidable manual P 318 20.3685 133 0.12 73
IV.MML1.HNZ. 2020-01-23T08:07:53.90 0.1 negative manual P 216 26.4513 125 -0.19 95
IV.MDAR.HNZ. 2020-01-23T08:07:52.42 0.3 undecidable manual P 188 12.6762 148 -0.17 74
IV.GAG1.HNZ. 2020-01-23T08:07:52.30 0.3 undecidable manual P 227 10.878 151 -0.15 74
IV.SNTG.HHZ. 2020-01-23T08:07:52.97 0.1 undecidable manual P 253 19.0698 135 -0.23 95
IV.CING.HHZ. 2020-01-23T08:07:52.08 0.1 positive manual P 17 8.0808 158 -0.19 99
IV.PF6.EHZ. 2020-01-23T08:07:52.88 0.1 undecidable manual P 173 18.7701 136 -0.29 95
IV.EL6.EHZ. 2020-01-23T08:07:52.02 0.1 positive manual P 297 5.7942 164 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHN. ML:1.6 0.00027 0.26 AML other m 2020-01-23T08:07:55.70
IV.EL6.EHE. ML:1.7 0.0003255 0.36 AML other m 2020-01-23T08:07:55.63
IV.SNTG.HHN. ML:1.6 0.0002285 0.18 AML other m 2020-01-23T08:07:57.22
IV.SNTG.HHE. ML:1.2 0.00008360000000000001 0.08 AML other m 2020-01-23T08:07:57.35
IV.FDMO.HHE. ML:1.6 0.00016849999999999998 1.8 AML other m 2020-01-23T08:07:59.03
IV.FDMO.HHN. ML:1.4 0.0000935 0.14 AML other m 2020-01-23T08:08:00.05
IV.CESI.HHN. ML:1.3 0.00005624251 0.5248 AML other m 2020-01-23T08:08:02.44
IV.NRCA.HHE. ML:1.5 0.00006845000000000001 1 AML other m 2020-01-23T08:08:06.24
IV.NRCA.HHN. ML:1.5 0.0000631 0.12 AML other m 2020-01-23T08:08:06.34
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