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Weak mag. 2.6 earthquake - 14 km northeast of Tainan City, Taiwan, on 2018-07-12 05:05:35 +08:00

Weak magnitude 2.6 earthquake at 10 km depth

11 Jul 23:28 UTC: First to report: USGS after 2 hours and 22 minutes.

Earthquake details

Date & time	Jul 11, 2018 21:05:35 UTC
Local time at epicenter	2018-07-12 05:05:35 +08:00
Status	Confirmed
Magnitude	2.6
Depth	10.0 km
Epicenter latitude / longitude	23.1026°N / 120.2709°E (Tainan, Taiwan, Taiwan)
Antipode	23.103°S / 59.729°W
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Unnamed 21.83°N/121.18°E (170 km / 106 mi)
Nearby towns and cities	14 km (9 mi) NNE of Tainan City (pop: 771,200) \| Show on map \| Quakes nearby 20 km (12 mi) W of Yujing (pop: 16,600) \| Show on map \| Quakes nearby 54 km (34 mi) N of Kaohsiung City (pop: 1,519,700) \| Show on map \| Quakes nearby 73 km (45 mi) SSW of Douliu (pop: 104,700) \| Show on map \| Quakes nearby 73 km (45 mi) NNW of Donggang (pop: 47,700) \| Show on map \| Quakes nearby 87 km (54 mi) SE of Magong (pop: 56,400) \| Show on map \| Quakes nearby 97 km (60 mi) WNW of Taitung City (pop: 109,600) \| Show on map \| Quakes nearby 99 km (61 mi) SSW of Nantou City (pop: 105,700) \| Show on map \| Quakes nearby 104 km (65 mi) SSW of Zhongxing New Village (Nantou City) (pop: 25,500) \| Show on map \| Quakes nearby 251 km (156 mi) SSW of Taipei (pop: 7,871,900) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	5 x 10⁸ joules (139 kilowatt hours, equivalent to 0.12 tons of TNT) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
2.6	10 km	- 13km NNE of Tainan, Taiwan	USGS

Most recent quakes Top 20 past 24 hrs Quakes in Taiwan Taiwan

Seismograms

Seismic station: Dapu (TPUB/TW network) | Distance from quake: 43 km / 27 mi | Show on map | Station Info

Seismic station Dapu: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Dapu: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Dapu: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Taitung (TWGB/TW network) | Distance from quake: 89 km / 55 mi | Show on map | Station Info

Seismic station Taitung: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Taitung: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Taitung: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Ninganchiao (NACB/TW network) | Distance from quake: 180 km / 112 mi | Show on map | Station Info

Seismic station Ninganchiao: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Ninganchiao: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Ninganchiao: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Yonagunijima Island (YOJ/JP network) | Distance from quake: 317 km / 197 mi | Show on map | Station Info

Seismic station Yonagunijima Island: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Yonagunijima Island: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Yonagunijima Island: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Ishigaki, Ryukyu Islands, Japan (ISG/PS network) | Distance from quake: 428 km / 266 mi | Show on map | Station Info

Seismic station Ishigaki, Ryukyu Islands, Japan: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Ishigaki, Ryukyu Islands, Japan: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Ishigaki, Ryukyu Islands, Japan: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 2.6, this quake might have been felt very close to the epicenter and under calm conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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