Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-05-2018 and time 03:30:42 (Italy) in region Costa Marchigiana Fermana (Fermo)

A magnitude ML 2.0 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on

  • 21-05-2018 01:30:42 (UTC)
  • 21-05-2018 03:30:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1690, 14.0970 at 6 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
65 Km NE of Teramo (54892 inhabitants)
68 Km SE of Ancona (100861 inhabitants)
73 Km N of Montesilvano (53738 inhabitants)
79 Km N of Pescara (121014 inhabitants)
91 Km N of Chieti (51815 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 2.0 2018-05-21
01:30:42		 43.1692 14.0973 6 2019-04-24
14:50:42		 Bollettino Sismico Italiano INGV 57256111
Reviewed
Rev100 		ML 2.0 2018-05-21
01:30:42		 43.1977 14.1533 11 2018-05-21
01:57:11		 Sala Sismica INGV-Roma 57057181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-21 01:30:42 ± 0.23
Latitude 43.1692 ± 0.0072
Longitude 14.0973 ± 0.0136
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 57256111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1033
Semi-minor axis of confidence ellipse (meter) 667
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 230
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.24641
Epicentral distance of station farthest from the epicenter (degree) 1.19340
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 57256111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-18 07:51:38

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 57057181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-21 01:57:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2018-05-21T01:31:12.20 0.6 undecidable manual S 260 98.3238 50 0.18 54
IV.NRCA.HHZ. 2018-05-21T01:31:09.30 0.3 undecidable manual S 245 88.0452 50 0.04 86
IV.SMA1.EHZ. 2018-05-21T01:31:09.00 0.6 undecidable manual S 226 86.0472 50 0.26 55
IV.FDMO.HHZ. 2018-05-21T01:31:08.20 0.3 undecidable manual S 260 83.1501 50 0.25 83
IV.MC2.EHZ. 2018-05-21T01:31:07.10 0.6 undecidable manual S 249 78.9654 50 0.24 56
IV.CSP1.EHZ. 2018-05-21T01:31:05.40 0.3 undecidable manual S 264 72.7716 50 0.21 85
IV.PESA.HHE. 2018-05-21T01:31:05.50 1.0 undecidable manual P 311 132.4674 50 0.84 21
IV.MTRA.EHZ. 2018-05-21T01:31:05.00 0.3 undecidable manual S 231 72.9714 50 -0.26 85
IV.TERO.HHZ. 2018-05-21T01:31:05.90 0.6 undecidable manual S 214 72.6717 50 0.73 49
IV.MMO1.EHZ. 2018-05-21T01:31:04.10 0.3 undecidable manual S 245 69.2751 50 -0.16 87
IV.INTR.HHE. 2018-05-21T01:31:04.64 1.0 undecidable manual P 187 129.3705 50 0.45 24
IV.MURB.HHZ. 2018-05-21T01:31:03.28 1.0 undecidable manual P 275 127.5723 50 -0.63 23
IV.GUMA.HHZ. 2018-05-21T01:31:02.50 0.3 undecidable manual S 259 62.7927 50 -0.04 90
IV.COR1.HNN. 2018-05-21T01:31:02.10 0.1 undecidable manual P 301 102.2199 50 2.1 40
IV.MF5.EHZ. 2018-05-21T01:31:01.40 0.6 undecidable manual S 249 55.4001 50 0.83 48
IV.FAGN.HHZ. 2018-05-21T01:31:01.30 1.0 undecidable manual P 203 108.6135 50 0.31 26
IV.AOI.HHE. 2018-05-21T01:31:01.20 0.6 undecidable manual S 317 58.1973 50 -0.09 61
IV.T0110.HHZ. 2018-05-21T01:31:01.80 1.0 undecidable manual P 194 107.5146 50 0.99 20
IV.T1247.HHZ. 2018-05-21T01:31:00.17 1.0 undecidable manual P 219 103.6185 50 -0.05 28
IV.RM33.HNE. 2018-05-21T01:31:00.17 0.6 undecidable manual P 225 102.5196 50 0.11 55
IV.ARVD.HHZ. 2018-05-21T01:31:00.41 0.6 undecidable manual P 292 100.122 50 0.73 46
IV.SENI.HNN. 2018-05-21T01:30:59.39 1.0 undecidable manual P 311 91.5417 50 1.03 20
IV.VCEL.EHN. 2018-05-21T01:30:58.61 1.0 undecidable manual P 194 88.4448 50 0.73 24
IV.GIGS.HHN. 2018-05-21T01:30:58.38 1.0 undecidable manual P 208 90.1431 50 0.23 27
IV.CESI.HHZ. 2018-05-21T01:30:58.90 0.3 undecidable manual P 260 98.3238 50 -0.5 76
IV.PP3.HNN. 2018-05-21T01:30:57.50 0.3 undecidable manual S 301 45.7209 50 -0.47 86
IV.TRTR.HHE. 2018-05-21T01:30:57.00 0.6 undecidable manual S 200 42.7239 98 -0.15 61
IV.EL6.EHZ. 2018-05-21T01:30:57.71 0.6 undecidable manual P 283 82.3509 50 0.76 47
IV.NRCA.HHZ. 2018-05-21T01:30:57.20 0.3 undecidable manual P 245 88.0452 50 -0.61 75
IV.T1299.HNN. 2018-05-21T01:30:57.66 0.3 undecidable manual P 228 88.9443 50 -0.29 81
IV.SMA1.EHZ. 2018-05-21T01:30:57.06 0.3 undecidable manual P 226 86.0472 50 -0.45 79
IV.FDMO.HHZ. 2018-05-21T01:30:56.43 0.1 negative manual P 260 83.1501 50 -0.63 100
IV.MC2.EHZ. 2018-05-21T01:30:56.09 0.3 undecidable manual P 249 78.9654 50 -0.34 82
IV.CING.HHN. 2018-05-21T01:30:55.28 0.6 undecidable manual P 288 76.368 50 -0.74 49
IV.TERO.HHZ. 2018-05-21T01:30:55.52 0.3 undecidable manual P 214 72.6717 50 0.07 88
IV.CIMA.HNE. 2018-05-21T01:30:55.80 0.3 undecidable manual S 294 37.7289 99 0.38 89
IV.MTRA.EHZ. 2018-05-21T01:30:55.09 0.3 undecidable manual P 231 72.9714 50 -0.41 82
IV.MMO1.EHZ. 2018-05-21T01:30:54.50 0.3 undecidable manual P 245 69.2751 50 -0.43 82
IV.CSP1.EHZ. 2018-05-21T01:30:54.91 0.6 undecidable manual P 264 72.7716 50 -0.55 53
IV.AOI.HHE. 2018-05-21T01:30:53.10 0.3 undecidable manual P 317 58.1973 50 -0.11 90
IV.GUMA.HHZ. 2018-05-21T01:30:53.78 0.3 undecidable manual P 259 62.7927 50 -0.15 88
IV.MF5.EHZ. 2018-05-21T01:30:52.89 0.3 undecidable manual P 249 55.4001 50 0.1 90
IV.TRTR.HHE. 2018-05-21T01:30:51.27 0.6 undecidable manual P 200 42.7239 98 0.45 57
IV.OFFI.HHZ. 2018-05-21T01:30:51.35 0.6 negative manual P 232 42.3243 98 0.62 55
IV.PP3.HNN. 2018-05-21T01:30:51.02 0.6 undecidable manual P 301 45.7209 50 -0.27 59
IV.CADA.HNE. 2018-05-21T01:30:51.70 0.3 undecidable manual S 276 27.3504 102 -0.18 92
IV.CIMA.HNE. 2018-05-21T01:30:49.91 0.3 undecidable manual P 294 37.7289 99 0.09 94
IV.CADA.HNE. 2018-05-21T01:30:47.85 0.3 undecidable manual P 276 27.3504 102 0.07 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHN. ML:1.8 0.00019064615000000001 0.46 AML other m 2018-05-21T01:31:00.25
IV.MF5.EHN. ML:2.0 0.00021281585 0.46 AML other m 2018-05-21T01:31:01.72
IV.MF5.EHE. ML:2.0 0.0002331971 0.54 AML other m 2018-05-21T01:31:02.07
IV.GUMA.HHN. ML:2.4 0.0005155 0.44 AML other m 2018-05-21T01:31:02.98
IV.GUMA.HHE. ML:2.6 0.0008129999999999999 0.28 AML other m 2018-05-21T01:31:03.30
IV.GUMA.HNE. ML:2.5 0.0006797836500000001 0.26 AML other m 2018-05-21T01:31:03.30
IV.GUMA.HNN. ML:2.4 0.00050418305 0.3896 AML other m 2018-05-21T01:31:03.74
IV.MTRA.HNE. ML:2.0 0.000159488 0.3704 AML other m 2018-05-21T01:31:05.68
IV.MTRA.EHE. ML:2.0 0.00016048145 0.38 AML other m 2018-05-21T01:31:05.68
IV.MTRA.HNN. ML:2.2 0.00022679875 0.44 AML other m 2018-05-21T01:31:05.76
IV.MTRA.EHN. ML:2.1 0.0001831536 0.44 AML other m 2018-05-21T01:31:05.55
IV.TERO.HHE. ML:1.4 0.00004555 0.3 AML other m 2018-05-21T01:31:06.79
IV.CSP1.EHE. ML:1.5 0.00005178498 0.34 AML other m 2018-05-21T01:31:06.66
IV.TERO.HHN. ML:1.6 0.000057634870000000004 0.3 AML other m 2018-05-21T01:31:06.70
IV.CSP1.EHN. ML:1.0 0.000012848407500000001 0.22 AML other m 2018-05-21T01:31:07.20
IV.FDMO.HHE. ML:2.1 0.0001495 0.78 AML other m 2018-05-21T01:31:08.50
IV.FDMO.HHN. ML:1.9 0.00010441718499999999 0.22 AML other m 2018-05-21T01:31:09.16
IV.NRCA.HHE. ML:2.2 0.00017299999999999998 0.16 AML other m 2018-05-21T01:31:09.72
IV.NRCA.HNE. ML:2.1 0.00016620757 0.16 AML other m 2018-05-21T01:31:09.72
IV.NRCA.HNN. ML:2.2 0.00018125525000000002 0.1496 AML other m 2018-05-21T01:31:10.45
IV.NRCA.HHN. ML:2.2 0.00020150000000000002 0.14 AML other m 2018-05-21T01:31:10.38
IV.TERO.HNE. ML:2.0 0.00016998605 1.26 AML other m 2018-05-21T01:31:11.27
IV.SMA1.EHN. ML:1.7 0.00006515 0.6 AML other m 2018-05-21T01:31:11.76
IV.EL6.EHE. ML:1.9 0.00010768685 0.22 AML other m 2018-05-21T01:31:13.18
IV.CESI.HHE. ML:1.9 0.0000746 0.34 AML other m 2018-05-21T01:31:13.22
IV.SMA1.EHE. ML:1.7 0.000057999999999999994 1 AML other m 2018-05-21T01:31:13.01
IV.EL6.EHN. ML:2.0 0.000123606815 0.42 AML other m 2018-05-21T01:31:14.16
IV.CESI.HHN. ML:2.0 0.00009850000000000001 0.22 AML other m 2018-05-21T01:31:15.33
IV.ARVD.HHN. ML:1.7 0.0000514443 0.5 AML other m 2018-05-21T01:31:17.85
IV.ARVD.HHE. ML:1.7 0.00004455 1.44 AML other m 2018-05-21T01:31:18.18
IV.TERO.HNN. ML:1.7 0.0000734575 0.76 AML other m 2018-05-21T01:31:27.65
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